Product Description
Product Description
13mm Solid/Hollow Spline Shafts SLF013 Ball Spline for Robotics
Achieve optimal efficiency and performance with our ball spline technology.Designed to reduce friction and wear,our SLF013 ball splines are the perfect choice for demanding industrial applications.
| Material |
Bearing Steel,Stainless Steel |
|
Accuracy grade |
N,H,P |
| Quality standard | ISO9001:2015,CE certificate,RoHS and reach compliance |
| Preload | P0,P1,P2 |
| Custom Services | Customized shaft end machining and surface treatment are available CHINAMFG on requirements |
We provide custom service,ball spline can be manufactured according to drawings.
Product Parameters
Our Advantages
| Free service | Performance testing |
| Technical solution | |
| Please contact the salesman for details | |
|
Custom service |
GCr15,Stainless steel and other customized materials |
| Surface treatment | |
| Custom shaft end machining | |
| Please contact the salesman for details | |
Company Profile
ALM originally established in year of 2005.From a small factory,ALM nowadays own factory 7000 square meters,109 employees.Above 8 technical engineers are with over 20 years’ experience in linear motion filed.
With the products covering more than 72 countries in Europe,North America,South Asia,Middle East,Africa,Latin America and Australia,New Zealand etc.With super quality and service,ALM has been widely recognized and highly valued by its high-end and picky customers,and thus remains at the top of their vendor lists.In year of 2016,our Dr team carryied out new innovation linear motor testing.
ALM key production machines are imported,like high precision CNC grinding machine,3 axis,4 axis machining centre,internal and external grinding centre,CNC lathe.With advanced production management enables ALM obtain the quality certificate ISO9001:2008 and IATF16949.The R&D achievements over many years bring ALM more than 26 national patents.
ALM’s office
ALM’s workshop
ALM product processing
ALM’s warehouse
ALM product show
Customer Visit
Certifications
Patent Certificate for invention and utility model
ISO certificate
FAQ
1.Why can ALM be your better option for linear motion components?
We ALM is a professional manufacturer of ball screws,lead screws,linear modules,linear guideways,linear motors for more than 16 years in China.
2.How to Custom-made?
Step1:Send us your drawing for checking.We will check the production feasibility.Our specially trained engineers will help you find out the best solution based on rich projects experience.
Step2:We make our production drawing for your checking to avoid misunderstanding.And to ensure each dimensions comply with your requirements.
Step3:Prepare for sample
Step4:After samples approved on your prototype.Move to mass production
3.When can I get the quotation?
We usually quote within 24 hours after we get your inquiry.If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.
4.How to arrange the delivery of the products?
(1)Sample order:We have DHL,FedEx,UPS VIP account with discount.So you can get favorable shipping freight.
(2)Bulk order:We have freight forwarder to ship by air,by train or by sea.You can also arrange shipping through your own agent.
5.How to Pay?
LC,T/T,D/P,PayPal,Western Union,Money Gram
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material: | Bearing Steel,Stainless Steel |
|---|---|
| Type: | Slf |
| Cerficate: | ISO9001,CE Certificated and RoHS Compliance |
| Industry Experience: | 16 Years |
| Clearance: | 7e,Higher Precision Is Available Upon Request |
| Application: | Automation Equipment |
| Customization: |
Available
| Customized Request |
|---|
How do screw jacks ensure controlled and synchronized movement in multi-jack systems?
Screw jacks are capable of ensuring controlled and synchronized movement in multi-jack systems through various mechanisms and techniques. These systems are commonly used in applications where multiple screw jacks need to work together to lift or position a load. Here’s how screw jacks achieve controlled and synchronized movement in multi-jack systems:
- Mechanical Synchronization: Screw jacks can be mechanically linked in a multi-jack system to ensure synchronized movement. This can be achieved through the use of rigid couplings, connecting rods, or gear mechanisms that interconnect the input shafts of individual screw jacks. As a result, when one screw jack is operated to lift or lower the load, the mechanical linkage transfers the motion to the other screw jacks, causing them to move in sync. This ensures that all jacks contribute proportionally to the load and maintain a consistent lifting height.
- Electrical Synchronization: In addition to mechanical synchronization, screw jacks can also be electrically synchronized in multi-jack systems. This is typically achieved through the use of motorized screw jacks controlled by a centralized control system. Each motorized screw jack is equipped with position sensors or encoders that provide feedback on their current position. The control system receives this feedback and adjusts the motor speed and direction for each screw jack to ensure synchronized movement. Electrical synchronization enables precise control and allows for adjustments to be made dynamically, compensating for any variations in load distribution or environmental conditions.
- Load Sharing Mechanisms: In multi-jack systems, load sharing mechanisms can be employed to distribute the weight evenly among the screw jacks. Load sharing mechanisms can include load sensors or load cells that measure the individual loads on each jack. The control system then adjusts the lifting force applied by each screw jack to ensure equal distribution of the load. This prevents overloading of any individual jack and promotes balanced movement in the system.
- Position Feedback and Control: Screw jacks in multi-jack systems can be equipped with position feedback devices, such as linear encoders or limit switches, that provide information on the position of the load. This feedback is used by the control system to precisely control the movement of the screw jacks, ensuring that they reach and maintain the desired positions. By continuously monitoring the position feedback, the control system can make adjustments to keep the jacks synchronized and maintain the desired level of control.
- Control System Integration: A centralized control system can be used to integrate and coordinate the operation of multiple screw jacks in a multi-jack system. This control system can utilize programmable logic controllers (PLCs) or computer numerical control (CNC) systems to manage the movement, synchronization, and safety aspects of the screw jacks. The control system enables precise control, real-time monitoring, and the implementation of safety features, enhancing the overall performance and reliability of the multi-jack system.
By employing these mechanisms and techniques, screw jacks ensure controlled and synchronized movement in multi-jack systems. These systems find applications in various industries, such as heavy lifting, material handling, and industrial automation, where precise positioning and synchronized operation are critical requirements.
What role do screw jacks play in optimizing precision and alignment in tasks?
Screw jacks play a crucial role in optimizing precision and alignment in various tasks. They offer precise control and reliable adjustment capabilities that contribute to achieving accurate precision and alignment. Here are some key roles that screw jacks play in optimizing precision and alignment:
- Precise Positioning: Screw jacks provide precise positioning control, allowing for accurate adjustment of height, alignment, or level. The threaded screw mechanism enables fine incremental movements, enabling operators to achieve the desired position with high precision. This level of control is essential in tasks that require precise alignment or positioning, such as assembly lines, machining operations, or optical systems.
- Micro-Adjustments: Screw jacks are capable of micro-adjustments, which are extremely small and precise movements. These micro-adjustments are valuable in tasks that demand fine-tuning and meticulous alignment. By making small, controlled changes using the screw jack, operators can optimize the precision and alignment of components or structures.
- Stability and Load-Bearing: Screw jacks offer stability and reliable load-bearing capabilities. The load is evenly distributed and supported along the screw thread, ensuring stability during tasks that require precision and alignment. This stability is especially important when working with delicate or sensitive components that may be susceptible to misalignment or damage due to external forces.
- Repeatability: Screw jacks facilitate repeatability in precision and alignment tasks. Once a specific position or alignment is achieved, the screw jack can reliably return to that position repeatedly. This repeatability is advantageous in applications that require consistent precision and alignment, such as testing equipment, calibration processes, or scientific experiments.
- Flexibility and Adaptability: Screw jacks offer flexibility and adaptability to optimize precision and alignment in various tasks. They can be easily adjusted and customized to accommodate different requirements, load capacities, and dimensions. Screw jacks are available in different sizes, configurations, and mounting options, allowing for integration into diverse applications and systems.
- Combined with Measurement Systems: Screw jacks can be combined with measurement systems or sensors to enhance precision and alignment. For example, by integrating linear displacement sensors or laser alignment systems, operators can monitor and verify the position or alignment during the task. This combination of screw jacks with measurement systems provides real-time feedback and enables adjustments to achieve optimal precision and alignment.
By providing precise positioning, micro-adjustments, stability, load-bearing capabilities, repeatability, flexibility, and the ability to integrate with measurement systems, screw jacks significantly contribute to optimizing precision and alignment in a wide range of tasks. Their reliable and controllable nature makes them valuable tools in industries such as manufacturing, construction, automation, and research.
Which industries and sectors commonly rely on screw jacks for their operations?
Screw jacks find applications in various industries and sectors where lifting heavy loads, adjusting height, or precise positioning is required. Here are some of the industries and sectors that commonly rely on screw jacks for their operations:
- Manufacturing: Screw jacks are extensively used in manufacturing industries for tasks such as lifting and positioning heavy equipment, adjusting assembly line heights, and aligning components during production processes.
- Construction: The construction industry utilizes screw jacks for tasks like lifting and stabilizing structural elements during building construction, adjusting formwork and scaffolding heights, and positioning heavy machinery or materials.
- Automotive: In the automotive sector, screw jacks are employed for lifting vehicles during maintenance and repairs, adjusting conveyor heights in assembly lines, and positioning components during manufacturing processes.
- Transportation and Logistics: Screw jacks are used in transportation and logistics for tasks such as adjusting loading dock heights, raising or lowering platforms on trucks or trailers, and positioning cargo handling equipment.
- Entertainment and Events: The entertainment and events industry relies on screw jacks for stage setups, lifting and adjusting lighting equipment, raising or lowering platforms for performers, and creating dynamic stage effects.
- Aerospace and Defense: Screw jacks are utilized in the aerospace and defense sectors for applications such as adjusting heights of launch platforms, positioning aircraft components during assembly, and operating heavy-duty doors or hatches.
- Material Handling and Warehousing: Screw jacks are found in material handling and warehousing operations for tasks like adjusting conveyor heights, lifting heavy pallets or containers, and positioning racks or shelves.
- Mining and Heavy Machinery: The mining industry and sectors involving heavy machinery utilize screw jacks for lifting and positioning equipment, adjusting conveyor heights, and supporting heavy loads in various mining operations.
- Energy and Utilities: Screw jacks are employed in energy and utility sectors for tasks such as adjusting heights of solar panels or wind turbines, raising or lowering equipment in power plants, and positioning components in utility infrastructure.
- Medical and Rehabilitation: In the medical and rehabilitation fields, screw jacks are used for height adjustment of medical beds, positioning of imaging equipment, and providing adjustable support systems for patients.
This list is not exhaustive, and screw jacks may find applications in other industries and sectors beyond those mentioned. The versatility, load capacity, and precise control offered by screw jacks make them valuable tools in a wide range of operations requiring lifting, adjusting, or positioning heavy loads.
editor by Dream 2024-04-30
China wholesaler CNC Machining Turning Spline Bolt Nut Round Drive Shaft for Motor Machine #8 screw shaft diameter
Product Description
Introducing our high-quality Shaft, designed for various applications in the field of motors and gears. This versatile product is an essential component for any home appliance, ensuring smooth and efficient operation.
Our Shaft is expertly crafted using premium materials, guaranteeing durability and long-lasting performance. With its precise dimensions and excellent load-bearing capacity, it seamlessly integrates with motors and gears, providing optimal power transmission.
Featuring a sleek design, this Shaft is not only functional but also aesthetically pleasing. Its compact size allows for easy installation and compatibility with a wide range of home appliances
With our discounted price, you can now enhance the performance of your home appliances without breaking the bank. Don’t miss out on this incredible offer!
Keywords: Shaft, Axis, Motor Shaft, Gear
| Available Material | 1. Stainless Steel: AISI303, AISI304, AISI316, AISI416, AISI420,etc. |
| 2. Free Cutting Steel:12L14,1215,etc. | |
| 3. Steel:C45(K1045), C20,etc | |
| 4. Aluminum: Al6061, Al6063, etc. | |
| 5. Carbon Steel:AISI1006,AISI1571,AISI1571,etc. | |
| 6. Alloy Steel: SCM435,10B21,etc. | |
| 7. According to customer’s requirement | |
| Finish | Electroplating: Zinc Plating, Ni Plating, Electroless Nickel Plating, Zn-Ni Alloy Plating, Tin Plating, Copper-plating, Hot-dip Galvanizing, Black Oxide Coating, Black Anodizing, etc |
| Rust Preventive Oil | |
| Testing Equipment | CMM, Projector, Pull Tester, Projecting Apparatus |
| Salt Spray Test, Durometer, Coating Analyzer, Tensile Machine | |
| Management System | ISO9001 / IATF16949 |
| Certification | SGS, RoHS, Material Certification, PPAP |
| Production Capability | Auto Lathe Turning: ODΦ1.0-20mm, Tolerance. ± 0.01mm |
| CNC Lathe Turning: ODΦ1.0-460mm, Tolerance. ± 0.005mm | |
| CNC Milling:800x600mm (LxW), Tolerance.±0.05mm | |
| Grinding: Tolerance. ± 0.002mm | |
| Screw Cold Heading and Rolling: Metric 0.8-M16 | |
| Injection: 300T Max | |
| Stamping:2 50T Max |
1.
Location
Kexionda Electric Machinery Manufacturing Co., Ltd. (KXD) was established in 1998 and is located in the hinterland of the Pearl River CHINAMFG in South China. It is a professional enterprise that develops and produces micromotors. It now has a factory area of more than 10,000 square meters, more than 200 employees, and an annual output of 5 million motors. It mainly produces single-phase series motors (universal motors) and permanent magnet-brushed DC motors. The products are suitable for household appliances, commercial appliances, and electric equipment, such as mixers, egg beaters, meat grinders, meat mincers, ice crushers, paper shredders, bean grinders, soy milk machines, cooking machines, cloth machines, laboratory homogenizer and a series of electric products.
2.
“integrity and pragmatism”
Since its establishment, KXD has continued to innovate and win the market with integrity. The company comprehensively implements modern management, conducts production and sales based on the principle of benefiting customers, produces key parts of products by itself, continuously introduces automated production equipment, takes “quality and service” as its life, “integrity and pragmatism” as its foundation, and through its Design, production, and management are integrated to meet customer delivery deadlines to the greatest extent, effectively control product quality and reduce costs.
3.
Production standards
KXD strictly implements national standards during the production process, establishes and maintains the effective operation of the quality management system, and all products have 100% passed domestic CCC certification. All export products comply with Rohs and can pass EMC, UL, CE, VDE, and other certification requirements.
4.
Customer – first
At present, our company has dedicated project personnel to track product development, production, and after-sales service throughout the entire process, and is committed to providing customers with high-quality product solutions.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material: | Carbon Steel |
|---|---|
| Load: | Drive Shaft |
| Stiffness & Flexibility: | Stiffness / Rigid Axle |
| Journal Diameter Dimensional Accuracy: | IT6-IT9 |
| Axis Shape: | Straight Shaft |
| Shaft Shape: | Real Axis |
| Samples: |
US$ 5.33/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Can screw jacks be integrated with control systems for automation and remote operation?
Yes, screw jacks can be integrated with control systems to enable automation and remote operation. This integration allows for enhanced control, monitoring, and synchronization of multiple screw jacks within a system. Here’s how screw jacks can be integrated with control systems:
- Motorized Screw Jacks: Motorized screw jacks are equipped with electric motors that provide the power required for lifting and adjusting loads. These motorized screw jacks can be integrated with control systems to enable automation and remote operation. The control system can include a programmable logic controller (PLC), human-machine interface (HMI), or a dedicated control unit.
- Communication Protocols: Screw jacks integrated with control systems can use various communication protocols to facilitate remote operation and automation. Common protocols include Modbus, CAN bus, Ethernet/IP, or Profinet. These protocols allow the control system to communicate with the motorized screw jacks, sending commands, receiving feedback, and monitoring their status.
- Position Feedback: Motorized screw jacks integrated with control systems can provide position feedback, allowing the control system to accurately monitor and control the position of the screw jacks. Position sensors, such as encoders or linear potentiometers, can be installed on the screw jacks to provide precise position data to the control system.
- Programming and Sequencing: Control systems can be programmed to execute specific sequences of movements and actions using motorized screw jacks. This programming can include predefined motion profiles, synchronized movements of multiple screw jacks, or customized sequences to meet specific application requirements.
- Remote Operation and Monitoring: Integration with control systems allows for remote operation and monitoring of screw jacks. Through the control system’s interface, operators can remotely control the screw jacks, adjust their positions, monitor their status, and receive real-time feedback on load, position, or any potential issues.
- Integration with Overall Automation Systems: Screw jacks integrated with control systems can be part of larger automation systems, where they work in conjunction with other devices, such as sensors, actuators, or safety systems. This integration enables seamless coordination and synchronization of multiple components to achieve complex automation tasks.
The integration of screw jacks with control systems for automation and remote operation provides numerous benefits, including improved efficiency, precise control, enhanced safety, and the ability to monitor and adjust loads in real-time. This integration is particularly advantageous in applications that require synchronized movement, precise positioning, or remote control of multiple screw jacks within a system.
How do manufacturers ensure the durability and longevity of screw jacks?
Manufacturers employ various strategies and design considerations to ensure the durability and longevity of screw jacks. These measures aim to enhance the structural integrity, reliability, and resistance to wear and tear. Here are some key approaches manufacturers use to ensure the durability and longevity of screw jacks:
- High-Quality Materials: Manufacturers use high-quality materials in the construction of screw jacks to enhance their durability. Components such as screws, nuts, housing, bearings, and load-bearing parts are often made from materials such as hardened steel alloys or other durable metals. These materials offer excellent strength, resistance to deformation, and robustness, ensuring that the screw jacks can withstand heavy loads and prolonged use.
- Surface Treatments: Surface treatments and coatings are applied to screw jack components to improve their resistance to corrosion, abrasion, and wear. Common surface treatments include electroplating, powder coating, or applying specialized protective coatings. These treatments provide a layer of defense against environmental factors, such as moisture, chemicals, or abrasive particles, which can degrade the components and compromise the longevity of the screw jacks.
- Precision Manufacturing: Precision manufacturing processes are employed to ensure the accurate fabrication of screw jacks. Tight tolerances and meticulous machining techniques are utilized to achieve proper fit and alignment of components. This precision manufacturing minimizes mechanical play, reduces friction, and optimizes the overall performance of the screw jacks, contributing to their durability and longevity.
- Load Capacity and Safety Margins: Manufacturers carefully determine the load capacity of screw jacks and incorporate safety margins to ensure their long-term durability. By specifying load capacities that exceed the expected maximum loads, manufacturers provide a safety buffer that prevents the screw jacks from operating near their limits. This approach minimizes stress on the components and extends their lifespan, reducing the risk of premature failure or damage.
- Regular Maintenance Guidelines: Manufacturers provide maintenance guidelines and recommendations for screw jacks. These guidelines outline routine maintenance tasks, such as lubrication, inspection, and cleaning, that should be performed to ensure optimal performance and longevity. Following these maintenance guidelines helps prevent the accumulation of debris, corrosion, or other factors that could negatively impact the durability of the screw jacks.
- Quality Assurance Testing: Manufacturers conduct rigorous quality assurance testing to validate the durability and longevity of screw jacks. These tests may include performance testing, load testing, endurance testing, and environmental testing. By subjecting the screw jacks to stringent testing conditions, manufacturers can verify their performance, identify potential weaknesses, and make design improvements to enhance durability and longevity.
By using high-quality materials, applying surface treatments, employing precision manufacturing, incorporating load capacity and safety margins, providing maintenance guidelines, and conducting quality assurance testing, manufacturers ensure the durability and longevity of screw jacks. These measures help to deliver reliable and long-lasting products that can withstand demanding applications and operating conditions.
What factors should be considered when selecting the right screw jack for an application?
When selecting the right screw jack for an application, several factors should be taken into consideration. These factors help ensure that the chosen screw jack meets the specific requirements of the application. Here are the key factors to consider:
- Load Capacity: Determine the maximum load that the screw jack needs to lift or support. Consider both the static load (the weight of the load when stationary) and the dynamic load (additional forces or vibrations that may be present during operation). Select a screw jack with a load capacity that exceeds the application’s requirements to ensure safe and reliable operation.
- Travel Distance: Determine the required travel distance or height adjustment range of the screw jack. Consider both the minimum and maximum travel distances needed for the application. Ensure that the selected screw jack can provide the required travel distance without exceeding its mechanical limits.
- Speed Requirements: Consider the desired operating speed of the screw jack. Determine whether the application requires slow and precise movement or faster operation. The speed of the screw jack is influenced by factors such as the pitch of the screw and the rotational speed of the input device. Select a screw jack that can operate within the desired speed range without compromising other performance factors.
- Precision Needs: Assess the required level of precision for the application. Determine the allowable tolerance and backlash requirements. The precision of a screw jack is influenced by factors such as the pitch of the screw, the quality of the thread, and the presence of additional components such as limit switches or position sensors. Choose a screw jack that can achieve the desired precision level while maintaining stability and load capacity.
- Environmental Conditions: Consider the environmental conditions in which the screw jack will operate. Factors such as temperature, humidity, dust, and corrosive substances can affect the performance and durability of the screw jack. Select a screw jack that is designed to withstand the specific environmental conditions of the application.
- Mounting and Integration: Evaluate the available space for mounting the screw jack and consider the required integration with other components or systems. Determine whether the screw jack needs to be vertically mounted, horizontally mounted, or at an angle. Consider any specific mounting or interface requirements and ensure that the selected screw jack can be easily integrated into the existing system or structure.
- Safety and Compliance: Ensure that the chosen screw jack complies with safety standards and regulations applicable to the specific industry or application. Consider safety features such as self-locking mechanisms, overload protection, and emergency stop options. Verify that the manufacturer or supplier provides adequate documentation and certifications.
- Cost and Budget: Consider the budget and cost-effectiveness of the screw jack. Compare the prices and features of different screw jack models and brands. Evaluate the long-term maintenance and operational costs, including factors such as lubrication requirements and expected lifespan.
By carefully considering these factors, it is possible to select the right screw jack that meets the load capacity, travel distance, speed, precision, environmental, mounting, safety, and budget requirements of the specific application.
editor by Dream 2024-04-24
China Custom Precision Machining Spline Shaft Hardened Steel Shaft with Forged Steel ball screw shaft diameter
Product Description
HangZhou CHINAMFG is IATF16949 certificated manufacturer ,located in HangZhou,China.We are specialized in manufacturing custom-made precision Machining Components. We offer a wide range of manufacturing solutions, including machining, and stamping Our engineering team has rich experience in working in this field for many years.
We have professional quality control team which is built up by rich experienced QC & QA. They will monitor each process of production. Each component or part will go through our QA for final inspection and testing. Make sure every product is under customer’s requirement before CZPT customers.
Our focus is to close the gap and provide lower cost manufacturing throughout the world. Sourcing your parts with CHINAMFG is the closest thing to running your own manufacturing facility in China. We offer extreme flexibility for you and your project needs.
HangZhou CHINAMFG will provide you with the following benefits and advantages:
·More saving on manufacturing cost.
·State-of-the-art manufacturing facilities.
·On site manufacturing supervision for quality control.
·Bilingual engineers reporting on your project.
·Reasonable short lead time.
Equipments: CNC machining center, CNC Lathe, milling machine, normal lathe, grinding machine, wire-cut machine, height gauge, projector, and other precise ones.
Materials: Aluminum, Alloy steel, Stainless Steel, brass, etc.
About 80% of FRIMAI’s business is exported, and 20% domestic. FRIMAhas very strict quality control request and system based on IATF16949 management system.
Any enquiries and orders together with drawing or sample as well as investments are extremely welcomed. We sincerely wish to cooperate with your company and create brilliance.
Feature of CNC parts
1. Precision Cnc stainless steel parts strictly according to customer’s drawing, packing, and quality request
2. Tolerance: Can be kept at +/-0.005mm
3. The most advanced CMM inspector to ensure the quality
4. Experienced technology engineers and well-trained workers
5. Fast and timely delivery. Speedily&professional service
6. Quality assurance in accordance with PPAP-3 level system inIATF16949
| WMeasuring Facilties | Quadratic Element,Height Gauge,Micrometer,Gauge Block,Needle Gauge,Plug gauge,Caliper,Screw Thread Gauge | |||
| Machining Facilities | Machining Tolerance(mm) | Mchining Precision(mm) | Qty | Self-owned |
| CNC Machining Centre | 800×500 | 0.005-0.01 | 20pcs | Head Plant |
| CNC Machining Centre | 650×500 | 0.005-0.01 | 5pcs | Head Plant |
| CNC Turning | 750×40 | 0.015-0.005 | 20pcs | Head Plant |
| Turning | 750×250 | 0.01-0.02 | 10pcs | Head Plant |
| Milling | 1200×550 | 0.01-0.02 | 6pcs | Head Plant |
| Grinding | 160x360x280 | 0.005-0.01 | 4pcs | Head Plant |
| Grinding | 300×680 | 0.01 | 1pcs | Head Plant |
| Wire-cutting | 400×350 | 0.01-0.02 | 4pcs | Head Plant |
Material Available for CNC Turning Service
| Material | Stainless steel | SS201 SS303 SS304 SS316 17-4PH SUS440C |
| Steel | Q235 20#-45# etc | |
| Brass | C36000(C26800) C37700(HPb59) C38500(HP6 58) C27200(CuzN37)etc | |
| Iron | 1213 12L14 1215 etc | |
| Bronze | C51000 C52100 C5400etc | |
| Aluminum | Al6061 Al6063 Al7075 AL5052 etc | |
| Alloy | A2 D2 SKD11 DF2 XW/5 ASP-23 |
Terms and Conditions
| Our Processing | CNC machining, CNC milling and turning, drilling, grinding, stamping, tapping, |
| Surface finish | Hard Coating/Black Anodize/ Clear Anodize/ Hard Chrome /Clear Zinc/Plasma Niride |
| Tolerance | 0.005mm |
| QC System | 100% inspection before shipment |
| Drawing format | CAD / PDF/ DWG/ IGS/ STEP/So |
| Packaging | Standard package / Carton box or Pallet / As per customized specifications |
| Testing equipment | CMM (Coordinate Measuring Machine), Height gauge, Caliper, Hardness tester, Roughness tester, Projector machine, Pin/Angle/Block/Plug/Thickness/Thread/Radius gauge, etc. |
| Trade terms | EXW, FOB, CIF, As per the customer’s request |
| Shipment Terms | 1) 0-100kg: express & air freight priority 2) >100kg: sea freight priority 3) As per customized specifications |
| Note | All CNC machining parts are custom-made according to the customer’s drawings or samples, with no stock. If you have any CNC machining parts to be made, please feel free to send your kind drawings/samples to us anytime by email. |
| Surface Finish | Anodized/Zinc/Nickle/ZiNi plating |
Our advantage:
11 years one-stop customized metal products factory.
We will complete different processing designs based on customers’ processing needs and combine different processing techniques to
give customers the best solutions such as CNC machining turning milling stamping forging extrusion casting bending welding etc.
ODM/OEM rapid service
We can do it you only need to provide your project drawings and samples and we can customize and manufacture for you.
Provide high-quality products at a competitive price
Customized processing can be obtained within 5 working days to obtain prototypes and small batch production parts to provide customers with
high-quality and low-cost CNC processed products.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Automotive Industry |
|---|---|
| Certification: | IATF16949, RoHS, ISO9001 |
| Transport Package: | Each Pack by PE Bag, Then Pack in Carton |
| Specification: | SS316/S304, Brass, Aluminum |
| Trademark: | OEM |
| Origin: | Ningbo China |
| Customization: |
Available
| Customized Request |
|---|
How do screw jacks ensure controlled and synchronized movement in multi-jack systems?
Screw jacks are capable of ensuring controlled and synchronized movement in multi-jack systems through various mechanisms and techniques. These systems are commonly used in applications where multiple screw jacks need to work together to lift or position a load. Here’s how screw jacks achieve controlled and synchronized movement in multi-jack systems:
- Mechanical Synchronization: Screw jacks can be mechanically linked in a multi-jack system to ensure synchronized movement. This can be achieved through the use of rigid couplings, connecting rods, or gear mechanisms that interconnect the input shafts of individual screw jacks. As a result, when one screw jack is operated to lift or lower the load, the mechanical linkage transfers the motion to the other screw jacks, causing them to move in sync. This ensures that all jacks contribute proportionally to the load and maintain a consistent lifting height.
- Electrical Synchronization: In addition to mechanical synchronization, screw jacks can also be electrically synchronized in multi-jack systems. This is typically achieved through the use of motorized screw jacks controlled by a centralized control system. Each motorized screw jack is equipped with position sensors or encoders that provide feedback on their current position. The control system receives this feedback and adjusts the motor speed and direction for each screw jack to ensure synchronized movement. Electrical synchronization enables precise control and allows for adjustments to be made dynamically, compensating for any variations in load distribution or environmental conditions.
- Load Sharing Mechanisms: In multi-jack systems, load sharing mechanisms can be employed to distribute the weight evenly among the screw jacks. Load sharing mechanisms can include load sensors or load cells that measure the individual loads on each jack. The control system then adjusts the lifting force applied by each screw jack to ensure equal distribution of the load. This prevents overloading of any individual jack and promotes balanced movement in the system.
- Position Feedback and Control: Screw jacks in multi-jack systems can be equipped with position feedback devices, such as linear encoders or limit switches, that provide information on the position of the load. This feedback is used by the control system to precisely control the movement of the screw jacks, ensuring that they reach and maintain the desired positions. By continuously monitoring the position feedback, the control system can make adjustments to keep the jacks synchronized and maintain the desired level of control.
- Control System Integration: A centralized control system can be used to integrate and coordinate the operation of multiple screw jacks in a multi-jack system. This control system can utilize programmable logic controllers (PLCs) or computer numerical control (CNC) systems to manage the movement, synchronization, and safety aspects of the screw jacks. The control system enables precise control, real-time monitoring, and the implementation of safety features, enhancing the overall performance and reliability of the multi-jack system.
By employing these mechanisms and techniques, screw jacks ensure controlled and synchronized movement in multi-jack systems. These systems find applications in various industries, such as heavy lifting, material handling, and industrial automation, where precise positioning and synchronized operation are critical requirements.
What are the common signs of wear or issues that might require screw jack maintenance?
Regular maintenance is important for ensuring the proper functioning and longevity of screw jacks. It helps identify and address potential issues before they escalate into more significant problems. Here are some common signs of wear or issues that might indicate the need for screw jack maintenance:
- Unusual Noise: If a screw jack starts producing unusual noises during operation, such as grinding, squeaking, or knocking sounds, it could indicate a problem. These noises may be a result of worn or damaged components, inadequate lubrication, misalignment, or other mechanical issues. Prompt maintenance is necessary to diagnose and resolve the source of the noise.
- Increased Friction: If the movement of the screw jack becomes more difficult or requires excessive force, it could indicate increased friction within the mechanism. This may be caused by insufficient lubrication, contaminated lubricant, or worn components. Addressing the friction issue through maintenance, including lubrication and inspection of components, is important to prevent further damage and ensure smooth operation.
- Excessive Play or Backlash: Excessive play or backlash refers to unwanted movement or looseness in the screw jack assembly. It can occur due to worn or damaged components, improper assembly, or misalignment. Excessive play can negatively impact the precision, stability, and load-bearing capacity of the screw jack. Maintenance should be conducted to identify the cause of the play and rectify it to restore proper functionality.
- Irregular Movement: If the screw jack exhibits irregular or jerky movement instead of smooth and consistent operation, it may indicate issues with the drive mechanism, misalignment, or worn parts. Irregular movement can affect the performance and accuracy of the screw jack, potentially leading to safety hazards or reduced efficiency. Maintenance is necessary to diagnose and address the underlying causes of irregular movement.
- Leakage or Seal Damage: Screw jacks equipped with hydraulic or lubricant-filled systems may experience leakage or seal damage over time. Leakage can result in a loss of lubrication or hydraulic fluid, leading to inadequate lubrication, reduced performance, or system failure. Regular inspection and maintenance of seals, gaskets, and fluid levels are necessary to identify and rectify any leaks or seal damage.
- Visible Wear or Damage: Physical inspection of the screw jack is essential to identify visible signs of wear or damage. This may include worn threads, cracked or damaged housing, bent or misaligned components, or signs of corrosion. Any visible wear or damage should be addressed through maintenance to prevent further deterioration and ensure safe and reliable operation.
Regular inspection and maintenance are crucial to detect and address these signs of wear or issues promptly. It is recommended to follow the manufacturer’s guidelines for maintenance intervals and procedures to ensure the optimal performance and longevity of screw jacks.
How do screw jacks handle variations in load, speed, and precision?
Screw jacks are designed to handle variations in load, speed, and precision through several mechanisms and features. Here’s how screw jacks handle these variations:
- Load Variations: Screw jacks are capable of handling different load variations. The load capacity of a screw jack depends on factors such as the mechanical strength of the components, the thread design, and the material properties. By selecting the appropriate screw jack with the required load capacity and considering factors such as the load distribution, safety factors, and duty cycle, variations in load can be accommodated within the specified limits.
- Speed Variations: Screw jacks can operate at different speeds based on the application requirements. The speed of a screw jack is influenced by factors such as the pitch of the screw, the rotational speed of the input device, and the mechanical advantage of the system. By adjusting the rotational speed of the input device or selecting screw jacks with different pitch options, variations in speed can be achieved. It is important to note that higher speeds may affect the efficiency, accuracy, and load capacity of the screw jack system.
- Precision: Screw jacks offer precise positioning capabilities. The linear displacement achieved per revolution of the screw can be accurately controlled. This precision is achieved through the pitch of the screw, which determines the linear displacement per rotation. By selecting screw jacks with suitable pitch options and incorporating additional components such as limit switches or position sensors, precise positioning can be achieved with minimal backlash or play. It is important to consider the required level of precision and the specific application’s tolerance requirements when choosing the appropriate screw jack.
- Adjustability: Screw jacks provide adjustability to accommodate variations in load, speed, and precision. The system can be fine-tuned by adjusting the input device’s rotational speed, changing the pitch of the screw, or incorporating gearing mechanisms for increased mechanical advantage. This adjustability allows for optimization based on the specific operational requirements, ensuring that the screw jack system performs effectively within the desired parameters.
- Control and Feedback: Screw jacks can be equipped with control systems and feedback mechanisms to enhance load, speed, and precision management. These systems can include motor controllers, position sensors, limit switches, or even automation interfaces. By integrating such control and feedback mechanisms, the screw jack system can be monitored, adjusted, and actively controlled to handle variations in load, speed, and precision more effectively.
In summary, screw jacks handle variations in load, speed, and precision through their design features, adjustability, and the incorporation of control systems. By selecting the appropriate screw jack and considering factors such as load capacity, speed requirements, precision needs, and control mechanisms, variations in load, speed, and precision can be accommodated to meet the specific operational demands of the application.
editor by Dream 2024-04-17
China manufacturer Cheap Precision OEM Tyre Machinery Linear Motion Ball Spline Sleeve Shaft screw ball shaft
Product Description
Product Description
The spline is a kind of linear motion system. When spline motions along the precision ground Shaft by balls, the torque is transferred. The spline has compact structure. It can transfer the Over load and motive power. It has longer lifetime. At present the factory manufacture 2 kinds of spline, namely convex spline and concave spline. Usually the convex spline can take bigger radial load and torque than concave spline.
| Product name | Ball spline |
| Model | GJZ,GJZA,GJF,GJH,GJZG,GJFG, |
| Dia | 15mm-150mm |
| Material | Bearing Steel |
| Precision Class | Normal/ High/ Precise |
| Package | Plastic bag, box, carton |
| MOQ | 1pc |
Ball type:φ16-φ250
High speed , high accuracy
Heavy load , long life
Flexible movement,low energy consumption
High movement speed
Heavy load and long service life
Applicationgs:semiconductor equipment,tire machinery,monocrystalline silicon furnace,medical rehabilitation equipment
Detailed Photos
Product Parameters
Structure
Scope of application
Semiconductor equipment,tire machinery,monocrystalline silicon furnace,medical rehabilitation equipment.
FFZ size
| Code and type | Nominal axial dia. d0 |
External dia. D |
Length of spline nut L1 |
Max. length of shaft L |
Standard rated torque | Basic rated load | ||
| Dynamic torsion N-m |
Stationary torsion N-m |
Dynamic load C kN |
Static load C0 kN |
|||||
| GJZ15 / GJF15 | 15 | 23 | 40 | 400 | 27.8 | 65.2 | 3.9 | 8.1 |
| GJZ20 / GJF20 | 20 | 30 | 50 | 600 | 62.3 | 135.2 | 6.6 | 12.7 |
| GJZ25 / GJF25 | 25 | 38 | 60 | 800 | 127.3 | 268.3 | 10.9 | 20.2 |
| GJZ30 / GJF30 | 30 | 45 | 70 | 1400 | 155.7 | 318.7 | 11.1 | 20 |
| GJZ32 / GJF32 | 32 | 48 | 70 | 1400 | 236.4 | 459.9 | 15.8 | 27.1 |
| GJZ40 / GJF40 | 40 | 60/57 | 90 | 1500 | 548 | 1081.9 | 29.3 | 50.9 |
| GJZ50 / GJF50 | 50 | 75/70 | 100 | 1500 | 880.6 | 1711.6 | 37.7 | 64.5 |
| GJF60 | 60 | 85 | 127 | 1500 | 2135.9 | 4172.9 | 76.2 | 131.1 |
| GJZ70 / GJF70 | 70 | 100 | 110/135 | 1700 | 2788/3153.4 | 4141.1 | 76.1 | 111.5/156.1 |
| GJZ85 / GJF85 | 85 | 120 | 140/155 | 1900 | 3978/4437.2 | 6927.4 | 100.2 | 153.6/179.2 |
| GJZ100 / GJF100 | 100 | 140/135 | 160 | 1900 | 6905.9 | 11737.2 | 147.9 | 221.3 |
If you have any needs,pls feel free to contact us and we will send you our catalog for reference.
Main Products
Company Profile
Customer Feedback
FAQ
1. Why choose AZI China?
With more than 60 years of production experience, quality assurance,factory directly price.
2. What is your main products ?
Our Main products are consist of ball screw,linear guide,arc linear guide,ball spline and ball screw linear CZPT rail module.
3. How to Custom-made (OEM/ODM)?
If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
4. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.
5. How can I get a sample to check the quality?
We quote according to your drawing, the price is suitable, CHINAMFG the sample list.
6. What‘s your payment terms?
Our payment terms is 30% deposit,balance against receiving copy of B/L or L/C sight.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material: | Gcr15 |
|---|---|
| Load: | Customized |
| Stiffness & Flexibility: | Stiffness / Rigid Axle |
| Journal Diameter Dimensional Accuracy: | Customized |
| Axis Shape: | Straight Shaft |
| Transport Package: | Cartons or Wooden Box |
| Samples: |
US$ 10/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How do screw jacks compare to other methods of lifting and adjusting loads?
When comparing screw jacks to other methods of lifting and adjusting loads, several factors come into consideration. Here’s a comparison of screw jacks with other commonly used methods:
- Hydraulic Systems: Screw jacks offer several advantages over hydraulic systems:
- Control and Precision: Screw jacks provide precise control and incremental adjustments. Hydraulic systems, on the other hand, may have limitations in terms of fine-tuning and precise positioning.
- Self-Locking: Screw jacks have a self-locking feature, which means they can hold positions without the need for continuous hydraulic pressure. Hydraulic systems typically require constant pressure to maintain position, which can be a disadvantage in certain applications.
- Simplicity and Maintenance: Screw jacks are generally simpler in design and require less maintenance compared to hydraulic systems. Hydraulic systems involve additional components such as pumps, hoses, valves, and hydraulic fluid, which can introduce complexity and maintenance requirements.
- Load Capacity: Screw jacks are available in a wide range of load capacities, making them suitable for both light-duty and heavy-duty applications. Hydraulic systems can handle higher loads but may be less suitable for precise adjustments in lighter load ranges.
- Pneumatic Systems: Screw jacks offer several advantages over pneumatic systems:
- Precision and Control: Screw jacks provide precise and controlled adjustments, allowing for accurate positioning. Pneumatic systems may have limitations in terms of fine-tuning and precise control.
- Self-Locking: Screw jacks have a self-locking feature, which allows them to hold positions without the need for continuous pneumatic pressure. Pneumatic systems require continuous pressure to maintain position, which can be a drawback in certain applications.
- Energy Efficiency: Screw jacks are typically more energy-efficient compared to pneumatic systems since they do not require a constant supply of compressed air.
- Load Capacity: Screw jacks can handle a wide range of load capacities, making them suitable for various applications. Pneumatic systems may have limitations in terms of handling heavy loads.
- Electric Actuators: Screw jacks offer several advantages over electric actuators:
- Load Capacity: Screw jacks are capable of handling high loads and are suitable for heavy-duty applications. Electric actuators may have limitations in terms of load capacity.
- Self-Locking: Screw jacks have a self-locking feature, which allows them to hold positions without the need for continuous electric power. Electric actuators may require continuous power to maintain position.
- Precision and Control: Screw jacks provide precise control and incremental adjustments. Electric actuators can offer precise positioning but may have limitations in terms of fine-tuning and incremental adjustments.
- Cost-Effectiveness: Screw jacks are often more cost-effective compared to electric actuators, making them a preferred choice in certain applications.
It’s important to note that the choice between screw jacks and other methods depends on the specific requirements of the application, such as load capacity, precision, control, maintenance, and cost considerations. Each method has its strengths and limitations, and manufacturers and engineers evaluate these factors to determine the most suitable solution for a particular lifting or adjusting task.
Can screw jacks be customized or integrated into larger systems for specific uses?
Yes, screw jacks can be customized or integrated into larger systems to meet specific requirements and applications. Their modular nature and versatility allow for various customization and integration possibilities. Here are some ways screw jacks can be customized or integrated into larger systems:
- Load Capacity Customization: Screw jacks can be customized to handle specific load capacities. Manufacturers can design and manufacture screw jacks with different load ratings to accommodate the requirements of a particular application. By customizing the load capacity, screw jacks can be optimized for lifting and supporting a wide range of loads, from light loads in precision applications to heavy machinery in industrial settings.
- Mounting and Connection Options: Screw jacks can be customized to have different mounting and connection options. This allows for seamless integration into existing systems or specific applications. Manufacturers can provide various mounting configurations, such as flange mounts, base mounts, trunnion mounts, or clevis ends, to ensure easy installation and compatibility with the surrounding equipment or structures.
- Stroke Length Customization: The stroke length of a screw jack can be customized to suit specific requirements. The stroke length refers to the distance the lifting screw travels during the jack’s operation. By customizing the stroke length, screw jacks can be tailored to the required vertical movement or extension needed in a particular application. This customization ensures optimal performance and efficiency in lifting or positioning tasks.
- Specialized Materials and Coatings: Screw jacks can be customized with specialized materials or coatings to enhance their performance in specific environments. For example, in corrosive or harsh conditions, screw jacks can be manufactured using corrosion-resistant materials such as stainless steel or coated with protective finishes. This customization ensures the longevity and reliability of screw jacks in demanding applications.
- Integration with Motorized Systems: Screw jacks can be integrated with motorized systems to automate the lifting and positioning processes. By adding electric or hydraulic motorization, screw jacks can be controlled and synchronized with other components or systems, providing precise and automated operations. This integration enables efficient and programmable movements, reducing manual labor and increasing productivity.
- Control and Monitoring Integration: Screw jacks can be integrated with control and monitoring systems for enhanced functionality and safety. By incorporating sensors, limit switches, or feedback mechanisms, screw jacks can provide real-time feedback on position, load, or other parameters. This integration allows for accurate control, monitoring, and protection of the screw jack and the larger system it is a part of.
The customization and integration options for screw jacks make them highly adaptable to specific uses and applications. Manufacturers often work closely with customers to understand their requirements and provide tailored solutions that optimize the performance, efficiency, and reliability of screw jacks within larger systems.
Can you explain the basic principle behind the operation of a screw jack?
The basic principle behind the operation of a screw jack is the conversion of rotational motion into linear motion. A screw jack consists of a threaded shaft, known as the screw, and a nut that engages with the screw’s threads. When the screw is rotated, it moves the nut linearly along its threads, resulting in linear displacement. Here are some key points regarding the basic principle of operation for a screw jack:
- Rotational Motion: The operation of a screw jack begins with the application of rotational motion to the screw. This can be achieved through various means, such as manually turning a handle, using an electric motor, or employing hydraulic or pneumatic systems. The rotational motion is typically applied to the top end of the screw.
- Threaded Shaft: The screw in a screw jack is a threaded shaft with helical grooves running along its length. The threads can be either square or trapezoidal in shape. The pitch of the screw refers to the distance traveled along the screw’s axis for each complete revolution. The pitch determines the linear displacement achieved per rotation.
- Nut Engagement: The nut is a component that engages with the screw’s threads. It is typically a cylindrical or rectangular block with a threaded hole that matches the screw’s threads. The nut is free to move linearly along the screw’s length when the screw is rotated.
- Linear Motion: As the screw is rotated, the nut moves along the screw’s threads, causing linear displacement. The direction and magnitude of the displacement depend on the rotational direction and the pitch of the screw. Clockwise rotation typically results in upward linear displacement, while counterclockwise rotation leads to downward displacement.
- Mechanical Advantage: One of the advantages of a screw jack is its ability to provide a mechanical advantage. The pitch of the screw determines the distance traveled per revolution. By increasing the pitch or using multiple-start threads, the linear displacement achieved per rotation can be increased, allowing for the lifting or lowering of heavier loads with relatively less rotational effort.
- Self-Locking: The friction between the screw and the nut helps to maintain the position of the load once the rotational force is removed. This self-locking characteristic of screw jacks allows them to hold loads in position without requiring continuous power or external braking mechanisms.
In summary, the basic principle behind the operation of a screw jack involves the conversion of rotational motion into linear motion. By rotating the screw, the nut moves along the screw’s threads, resulting in linear displacement. The pitch of the screw determines the distance traveled per revolution, and the self-locking nature of the screw and nut interface helps maintain the position of the load.
editor by CX 2024-03-29
China Custom Accuracy Grade Chrome Steel Spline Bearing 2-5 Oil Hole Ball Spline Shafts drill screw shaft
Product Description
Product Description
The spline is a kind of linear motion system. When spline motions along the precision ground Shaft by balls, the torque is transferred. The spline has compact structure. It can transfer the Over load and motive power. It has longer lifetime. At present the factory manufacture 2 kinds of spline, namely convex spline and concave spline. Usually the convex spline can take bigger radial load and torque than concave spline.
| Product name | Ball spline |
| Model | GJZ,GJZA,GJF,GJH,GJZG,GJFG, |
| Dia | 15mm-150mm |
| Material | Bearing Steel |
| Precision Class | Normal/ High/ Precise |
| Package | Plastic bag, box, carton |
| MOQ | 1pc |
Ball type:φ16-φ250
High speed , high accuracy
Heavy load , long life
Flexible movement,low energy consumption
High movement speed
Heavy load and long service life
Applicationgs:semiconductor equipment,tire machinery,monocrystalline silicon furnace,medical rehabilitation equipment
Detailed Photos
Product Parameters
Structure
Scope of application
Semiconductor equipment,tire machinery,monocrystalline silicon furnace,medical rehabilitation equipment.
FFZ size
| Code and type | Nominal axial dia. d0 |
External dia. D |
Length of spline nut L1 |
Max. length of shaft L |
Standard rated torque | Basic rated load | ||
| Dynamic torsion N-m |
Stationary torsion N-m |
Dynamic load C kN |
Static load C0 kN |
|||||
| GJZ15 / GJF15 | 15 | 23 | 40 | 400 | 27.8 | 65.2 | 3.9 | 8.1 |
| GJZ20 / GJF20 | 20 | 30 | 50 | 600 | 62.3 | 135.2 | 6.6 | 12.7 |
| GJZ25 / GJF25 | 25 | 38 | 60 | 800 | 127.3 | 268.3 | 10.9 | 20.2 |
| GJZ30 / GJF30 | 30 | 45 | 70 | 1400 | 155.7 | 318.7 | 11.1 | 20 |
| GJZ32 / GJF32 | 32 | 48 | 70 | 1400 | 236.4 | 459.9 | 15.8 | 27.1 |
| GJZ40 / GJF40 | 40 | 60/57 | 90 | 1500 | 548 | 1081.9 | 29.3 | 50.9 |
| GJZ50 / GJF50 | 50 | 75/70 | 100 | 1500 | 880.6 | 1711.6 | 37.7 | 64.5 |
| GJF60 | 60 | 85 | 127 | 1500 | 2135.9 | 4172.9 | 76.2 | 131.1 |
| GJZ70 / GJF70 | 70 | 100 | 110/135 | 1700 | 2788/3153.4 | 4141.1 | 76.1 | 111.5/156.1 |
| GJZ85 / GJF85 | 85 | 120 | 140/155 | 1900 | 3978/4437.2 | 6927.4 | 100.2 | 153.6/179.2 |
| GJZ100 / GJF100 | 100 | 140/135 | 160 | 1900 | 6905.9 | 11737.2 | 147.9 | 221.3 |
If you have any needs,pls feel free to contact us and we will send you our catalog for reference.
Main Products
Company Profile
Customer Feedback
FAQ
1. Why choose AZI China?
With more than 60 years of production experience, quality assurance,factory directly price.
2. What is your main products ?
Our Main products are consist of ball screw,linear guide,arc linear guide,ball spline and ball screw linear CZPT rail module.
3. How to Custom-made (OEM/ODM)?
If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
4. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.
5. How can I get a sample to check the quality?
We quote according to your drawing, the price is suitable, CHINAMFG the sample list.
6. What‘s your payment terms?
Our payment terms is 30% deposit,balance against receiving copy of B/L or L/C sight.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material: | Gcr15 |
|---|---|
| Load: | Customized |
| Stiffness & Flexibility: | Stiffness / Rigid Axle |
| Journal Diameter Dimensional Accuracy: | Customized |
| Axis Shape: | Straight Shaft |
| Transport Package: | Cartons or Wooden Box |
| Samples: |
US$ 10/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How do screw jacks handle challenges like load imbalance or uneven surfaces?
Screw jacks are designed to handle challenges such as load imbalance or uneven surfaces through various mechanisms and features. Here’s how screw jacks address these challenges:
- Load Imbalance: Screw jacks can handle load imbalance by distributing the load evenly across multiple screw jacks. In applications where there is a significant load imbalance, multiple screw jacks can be used in a synchronized system. The synchronization ensures that each screw jack shares the load proportionally, preventing excessive stress on any individual screw jack.
- Self-Locking: Screw jacks have a self-locking feature that allows them to hold their position without the need for continuous power or external braking mechanisms. This self-locking capability helps maintain stability and prevents the load from shifting even in the absence of power or during power loss.
- Anti-Backlash Mechanism: To handle challenges related to backlash or unwanted movement caused by load imbalance or vibration, some screw jacks are equipped with anti-backlash mechanisms. These mechanisms minimize or eliminate the clearance between the screw and the nut, reducing the potential for backlash and ensuring precise positioning and stability.
- Flexible Mounting Options: Screw jacks offer flexible mounting options, which allow for proper alignment and compensation on uneven surfaces. Mounting brackets or couplings can be used to adapt the screw jacks to different orientations or to compensate for variations in the mounting surface. This flexibility ensures that the screw jacks can be securely installed and adjusted to accommodate uneven surfaces.
- Guidance Systems: In some cases, screw jacks may incorporate guidance systems to improve stability and alignment. These guidance systems can include linear guides or rails that guide the movement of the screw, ensuring smooth and accurate operation even when dealing with load imbalance or uneven surfaces.
By employing these mechanisms and features, screw jacks can effectively handle challenges related to load imbalance or uneven surfaces. They provide stability, precise positioning, and the ability to distribute loads evenly, making them suitable for a wide range of applications even in demanding environments.
How do manufacturers ensure the durability and longevity of screw jacks?
Manufacturers employ various strategies and design considerations to ensure the durability and longevity of screw jacks. These measures aim to enhance the structural integrity, reliability, and resistance to wear and tear. Here are some key approaches manufacturers use to ensure the durability and longevity of screw jacks:
- High-Quality Materials: Manufacturers use high-quality materials in the construction of screw jacks to enhance their durability. Components such as screws, nuts, housing, bearings, and load-bearing parts are often made from materials such as hardened steel alloys or other durable metals. These materials offer excellent strength, resistance to deformation, and robustness, ensuring that the screw jacks can withstand heavy loads and prolonged use.
- Surface Treatments: Surface treatments and coatings are applied to screw jack components to improve their resistance to corrosion, abrasion, and wear. Common surface treatments include electroplating, powder coating, or applying specialized protective coatings. These treatments provide a layer of defense against environmental factors, such as moisture, chemicals, or abrasive particles, which can degrade the components and compromise the longevity of the screw jacks.
- Precision Manufacturing: Precision manufacturing processes are employed to ensure the accurate fabrication of screw jacks. Tight tolerances and meticulous machining techniques are utilized to achieve proper fit and alignment of components. This precision manufacturing minimizes mechanical play, reduces friction, and optimizes the overall performance of the screw jacks, contributing to their durability and longevity.
- Load Capacity and Safety Margins: Manufacturers carefully determine the load capacity of screw jacks and incorporate safety margins to ensure their long-term durability. By specifying load capacities that exceed the expected maximum loads, manufacturers provide a safety buffer that prevents the screw jacks from operating near their limits. This approach minimizes stress on the components and extends their lifespan, reducing the risk of premature failure or damage.
- Regular Maintenance Guidelines: Manufacturers provide maintenance guidelines and recommendations for screw jacks. These guidelines outline routine maintenance tasks, such as lubrication, inspection, and cleaning, that should be performed to ensure optimal performance and longevity. Following these maintenance guidelines helps prevent the accumulation of debris, corrosion, or other factors that could negatively impact the durability of the screw jacks.
- Quality Assurance Testing: Manufacturers conduct rigorous quality assurance testing to validate the durability and longevity of screw jacks. These tests may include performance testing, load testing, endurance testing, and environmental testing. By subjecting the screw jacks to stringent testing conditions, manufacturers can verify their performance, identify potential weaknesses, and make design improvements to enhance durability and longevity.
By using high-quality materials, applying surface treatments, employing precision manufacturing, incorporating load capacity and safety margins, providing maintenance guidelines, and conducting quality assurance testing, manufacturers ensure the durability and longevity of screw jacks. These measures help to deliver reliable and long-lasting products that can withstand demanding applications and operating conditions.
How do screw jacks handle variations in load, speed, and precision?
Screw jacks are designed to handle variations in load, speed, and precision through several mechanisms and features. Here’s how screw jacks handle these variations:
- Load Variations: Screw jacks are capable of handling different load variations. The load capacity of a screw jack depends on factors such as the mechanical strength of the components, the thread design, and the material properties. By selecting the appropriate screw jack with the required load capacity and considering factors such as the load distribution, safety factors, and duty cycle, variations in load can be accommodated within the specified limits.
- Speed Variations: Screw jacks can operate at different speeds based on the application requirements. The speed of a screw jack is influenced by factors such as the pitch of the screw, the rotational speed of the input device, and the mechanical advantage of the system. By adjusting the rotational speed of the input device or selecting screw jacks with different pitch options, variations in speed can be achieved. It is important to note that higher speeds may affect the efficiency, accuracy, and load capacity of the screw jack system.
- Precision: Screw jacks offer precise positioning capabilities. The linear displacement achieved per revolution of the screw can be accurately controlled. This precision is achieved through the pitch of the screw, which determines the linear displacement per rotation. By selecting screw jacks with suitable pitch options and incorporating additional components such as limit switches or position sensors, precise positioning can be achieved with minimal backlash or play. It is important to consider the required level of precision and the specific application’s tolerance requirements when choosing the appropriate screw jack.
- Adjustability: Screw jacks provide adjustability to accommodate variations in load, speed, and precision. The system can be fine-tuned by adjusting the input device’s rotational speed, changing the pitch of the screw, or incorporating gearing mechanisms for increased mechanical advantage. This adjustability allows for optimization based on the specific operational requirements, ensuring that the screw jack system performs effectively within the desired parameters.
- Control and Feedback: Screw jacks can be equipped with control systems and feedback mechanisms to enhance load, speed, and precision management. These systems can include motor controllers, position sensors, limit switches, or even automation interfaces. By integrating such control and feedback mechanisms, the screw jack system can be monitored, adjusted, and actively controlled to handle variations in load, speed, and precision more effectively.
In summary, screw jacks handle variations in load, speed, and precision through their design features, adjustability, and the incorporation of control systems. By selecting the appropriate screw jack and considering factors such as load capacity, speed requirements, precision needs, and control mechanisms, variations in load, speed, and precision can be accommodated to meet the specific operational demands of the application.
editor by CX 2024-03-28
China supplier OEM Non-Standard 42CrMo Forged Steel Long Spline Transmission Shaft set screw bearing shaft tolerance
Product Description
Other attributes
Place of Origin
HangZhou,ZheJiang ,China
Type
Forging Parts
Spare Parts Type
Spindle
Video outgoing-inspection
Provided
Machinery Test Report
Provided
Marketing Type
New Product 2571
Warranty
12 Months
Key Selling Points
Long Service Life
Weight (KG)
1200 KG
Applicable Industries
Building Material Shops, Machinery Repair Shops, Manufacturing Plant, Construction works , Energy & Mining, Other
Local Service Location
None
Showroom Location
None
Brand Name
Yogie
Condition
New
Material
Alloy steel
Plating
anti-rust oil
Name
42CrMo Customized Large Forging Steel Rolling Mill Spare Part Roller
Quality
High Precision
Process
Lathing, milling,grinding,drilling
Heat treatment
heat treatment will be done
Diameter
860mm
Length
8000mm
Tolerance
±0.05
Torque Capacity
According to drawings
Inspection
chemical components, UT, dimension inspection
Certification
ISO
Packaging and delivery
Packaging Details
Plywood case
Port
ZheJiang ,HangZhou Port
Package Type:
Plywood case
attribute-list
Supply Ability
10000 Piece/Pieces per Year
Lead time
| Quantity (kilograms) | 1 – 1000 | > 1000 |
| Lead time (days) | 60 | To be negotiated |
Production Process
We can produce various specifications of gear, meanwhile, we can also provide gear blanks.
We have a full set of production processes and testing instruments for forging, heat treatment and machining.
We have 5 medium frequency furnaces and 5 electric slag heavy furnaces, which can produce 1 ton-18 tons of various types of alloy steel, with an annual capacity of 10,000 tons. The main characteristics of electroslag remelting are that it can flexibly produce various types of special steel in size and batch, with pure composition, uniform and dense crystal organization.
Natural gas digital display computer temperature control heating CZPT can accurately control the heating temperature of raw materials.
800T fast forging machine can quickly forge products, 3150T and 5000T oil press can forge heavy-duty axle products. They can guarantee the forging ratio required by the product, and ensure a good metallographic structure.
More than 20 digital display resistance furnaces can be used fot normalizing, quenching and tempering products, at the same time, there are induction quenching and carburization process, so as to ensure the mechanical performance requirements of the gear
We have a number of , HOFLER and other gear rolling machine, inner tooth ring milling machine, gear insertion machine, gear grinding machine and car milling CZPT center and other gear processing equipment.
TS regards Quality as the essential part of our business success. Based on your requirements, we have raw material in-coming inspection, process control and pre-shipment inspection. With advanced test equipments such as spectrometer, CMM, tensile strength tester, microscope, hardness tester, etc, TS is CZPT to apply sufficient chemical and physical inspection. According to your request, we are also capable to do X-Ray, Magnetic Testing, Ultrasonic Testing and liquid Penetrant Examination.
PRODUCT PACKAGING
OUR WORKSHOPS
COOPERATIVE BRAND
Product Packaging
Product PackaPRging
| Material: | Steel |
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| Load: | Drive Shaft |
| Appearance Shape: | Steel |
| Customization: |
Available
| Customized Request |
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about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can screw jacks be integrated with control systems for automation and remote operation?
Yes, screw jacks can be integrated with control systems to enable automation and remote operation. This integration allows for enhanced control, monitoring, and synchronization of multiple screw jacks within a system. Here’s how screw jacks can be integrated with control systems:
- Motorized Screw Jacks: Motorized screw jacks are equipped with electric motors that provide the power required for lifting and adjusting loads. These motorized screw jacks can be integrated with control systems to enable automation and remote operation. The control system can include a programmable logic controller (PLC), human-machine interface (HMI), or a dedicated control unit.
- Communication Protocols: Screw jacks integrated with control systems can use various communication protocols to facilitate remote operation and automation. Common protocols include Modbus, CAN bus, Ethernet/IP, or Profinet. These protocols allow the control system to communicate with the motorized screw jacks, sending commands, receiving feedback, and monitoring their status.
- Position Feedback: Motorized screw jacks integrated with control systems can provide position feedback, allowing the control system to accurately monitor and control the position of the screw jacks. Position sensors, such as encoders or linear potentiometers, can be installed on the screw jacks to provide precise position data to the control system.
- Programming and Sequencing: Control systems can be programmed to execute specific sequences of movements and actions using motorized screw jacks. This programming can include predefined motion profiles, synchronized movements of multiple screw jacks, or customized sequences to meet specific application requirements.
- Remote Operation and Monitoring: Integration with control systems allows for remote operation and monitoring of screw jacks. Through the control system’s interface, operators can remotely control the screw jacks, adjust their positions, monitor their status, and receive real-time feedback on load, position, or any potential issues.
- Integration with Overall Automation Systems: Screw jacks integrated with control systems can be part of larger automation systems, where they work in conjunction with other devices, such as sensors, actuators, or safety systems. This integration enables seamless coordination and synchronization of multiple components to achieve complex automation tasks.
The integration of screw jacks with control systems for automation and remote operation provides numerous benefits, including improved efficiency, precise control, enhanced safety, and the ability to monitor and adjust loads in real-time. This integration is particularly advantageous in applications that require synchronized movement, precise positioning, or remote control of multiple screw jacks within a system.
What safety precautions should be followed when operating screw jacks?
Operating screw jacks safely is essential to prevent accidents, injuries, and damage to equipment. Here are some important safety precautions that should be followed when operating screw jacks:
- Read and Understand the Manual: Before operating a screw jack, carefully read and understand the manufacturer’s instruction manual. The manual provides important safety information, operating procedures, and maintenance guidelines specific to the screw jack model. Following the manufacturer’s instructions is crucial for safe and proper operation.
- Inspect the Screw Jack: Prior to use, inspect the screw jack for any signs of damage, wear, or loose components. Check for proper lubrication and ensure that all connections and fasteners are secure. If any issues are identified, do not operate the screw jack and address the problems through maintenance or contact the manufacturer for assistance.
- Use Appropriate Personal Protective Equipment (PPE): When operating a screw jack, wear the necessary personal protective equipment (PPE) as recommended by the manufacturer and applicable safety regulations. This may include safety glasses, gloves, steel-toed shoes, or other protective gear depending on the specific application and work environment.
- Ensure Stable Support: Place the screw jack on a stable and level surface capable of supporting the load. Ensure that the supporting structure or surface is capable of withstanding the forces generated during the lifting or lowering operation. Use appropriate blocking or shoring if additional support is required.
- Do Not Exceed Load Capacity: Never exceed the load capacity specified by the manufacturer for the screw jack. Overloading the screw jack can lead to instability, component failure, or other safety hazards. It is important to know the weight of the load being lifted or supported and select a screw jack with an appropriate load rating.
- Operate Smoothly and Carefully: Operate the screw jack smoothly and carefully, avoiding sudden or jerky movements. Use the operating handle or control mechanism provided by the manufacturer and follow the recommended operating procedures. Maintain control over the lifting or lowering process, and ensure that personnel or body parts are clear of pinch points or potential hazards.
- Do Not Use as a Permanent Support: Screw jacks are not designed to be used as permanent supports or to sustain constant loads over extended periods. They are intended for intermittent or temporary use. Avoid using screw jacks as permanent supports or in situations where prolonged load-bearing is required.
- Properly Store and Maintain: After use, properly store the screw jack in a clean and dry environment. Follow the manufacturer’s maintenance guidelines for lubrication, inspection, and periodic maintenance. Regularly check the screw jack for any signs of wear, damage, or deterioration, and address any issues promptly.
- Training and Competence: Ensure that operators are adequately trained and competent in the safe operation of screw jacks. Training should cover proper use, maintenance, and understanding of the associated hazards and safety precautions.
Following these safety precautions when operating screw jacks promotes a safe working environment and helps prevent accidents or injuries. It is important to prioritize safety and adhere to the manufacturer’s guidelines and industry best practices.
How do screw jacks handle variations in load, speed, and precision?
Screw jacks are designed to handle variations in load, speed, and precision through several mechanisms and features. Here’s how screw jacks handle these variations:
- Load Variations: Screw jacks are capable of handling different load variations. The load capacity of a screw jack depends on factors such as the mechanical strength of the components, the thread design, and the material properties. By selecting the appropriate screw jack with the required load capacity and considering factors such as the load distribution, safety factors, and duty cycle, variations in load can be accommodated within the specified limits.
- Speed Variations: Screw jacks can operate at different speeds based on the application requirements. The speed of a screw jack is influenced by factors such as the pitch of the screw, the rotational speed of the input device, and the mechanical advantage of the system. By adjusting the rotational speed of the input device or selecting screw jacks with different pitch options, variations in speed can be achieved. It is important to note that higher speeds may affect the efficiency, accuracy, and load capacity of the screw jack system.
- Precision: Screw jacks offer precise positioning capabilities. The linear displacement achieved per revolution of the screw can be accurately controlled. This precision is achieved through the pitch of the screw, which determines the linear displacement per rotation. By selecting screw jacks with suitable pitch options and incorporating additional components such as limit switches or position sensors, precise positioning can be achieved with minimal backlash or play. It is important to consider the required level of precision and the specific application’s tolerance requirements when choosing the appropriate screw jack.
- Adjustability: Screw jacks provide adjustability to accommodate variations in load, speed, and precision. The system can be fine-tuned by adjusting the input device’s rotational speed, changing the pitch of the screw, or incorporating gearing mechanisms for increased mechanical advantage. This adjustability allows for optimization based on the specific operational requirements, ensuring that the screw jack system performs effectively within the desired parameters.
- Control and Feedback: Screw jacks can be equipped with control systems and feedback mechanisms to enhance load, speed, and precision management. These systems can include motor controllers, position sensors, limit switches, or even automation interfaces. By integrating such control and feedback mechanisms, the screw jack system can be monitored, adjusted, and actively controlled to handle variations in load, speed, and precision more effectively.
In summary, screw jacks handle variations in load, speed, and precision through their design features, adjustability, and the incorporation of control systems. By selecting the appropriate screw jack and considering factors such as load capacity, speed requirements, precision needs, and control mechanisms, variations in load, speed, and precision can be accommodated to meet the specific operational demands of the application.
editor by CX 2023-11-23
China factory China Professional Production Drive Shaft Gear Shaft Motor Shaft Rotor Shaft Spline Shaft Steel Shaft screw conveyor end shaft
Product Description
Motor shaft
Product Description
| Product Name | Motor shaft |
| Design | Can be at the customer’ request, tailor-made, at customer’s design |
| Advantage | ZJD can provide the motor shaft according to customers technical specifications. |
Our Advantages
Application
Product Display
Company Profile
ZJD is located in Xihu (West Lake) Dis. Economic Development Zone, Xihu (West Lake) Dis. District, HangZhou, ZheJiang , which has very good transportation convenience and location advantages.ZJD own 1 subsidiary, which is located in HangZhou city, ZheJiang province, which is mainly responsible for EMU accessories for CRRC’s factory nearby.
ZJD’s production and office space is more than 12,000 square meters, and more than 60 sets of various types of CNC machining and quality control equipment.ZJD’s main products are widely used in CHINAMFG CR400, CR300, CR200 series standard EMUs, and expanded to subways, export passenger cars and EMUs and other products.
ZJD has more than 60 employees and more than 20 technical management personnel. The technical management team has many years of working experience in the rail transit industry.
Certifications
ZJD has obtained the national high-tech enterprise certification, 6 types of products have passed the high-tech certification, and related products have obtained more than 20 patents.
ZJD has established a comprehensive quality management system and has got ISO9001 quality management system certification, ISO/TS 22163 (IRIS) international railway industry standard certification, EN15085-2 railway vehicles welding system certification, and CHINAMFG product supply service qualification certification.
FAQ
1. Who are we?
HangZhou ZJD Rail Equipment Co.,Ltd. was established in 2012, which is a professional manufacturer of rail equipment and accessories.
2. Are you a reliable supplier?
ZJD-Excellent Manufacturer focusing on the rolling stock industry
Provide full-process Design, Production, Testing and Service according to customer requirements.
3.What can you buy from us?
We have designed and supplied a series of products such an air duct systems, piping systerms, pneumatic control units,etc.The product are used in various fields such an EMUs,subways,locomotives,wagon engineering vehicles,etc.
4. What services can we provide?
Provide customized services of heavy industry products for special requirements.
Provide diversified parts and trade services such as port machinery, steel heavy industry, mining machinery, etc.
Provide customized products for new energy equipment
Provide key process technology solutions for special parts in the field of new energy equipment.
| Material: | Carbon Steel |
|---|---|
| Load: | Revolution Axis |
| Stiffness & Flexibility: | Stiffness / Rigid Axle |
| Axis Shape: | Straight Shaft |
| Shaft Shape: | Real Axis |
| Appearance Shape: | Round |
| Customization: |
Available
| Customized Request |
|---|
Lead Screws and Clamp Style Collars
If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:
Acme thread
The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.
Lead screw coatings
The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
Clamp style collars
The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these two styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
Ball screw nut
The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during one rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with one or two independent closed paths. Multi-circuit ball nuts have two or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.
editor by CX 2023-11-13
China high quality Spline Shaft for Twin Screw Extruder threaded shaft for garage door opener
Product Description
We manufacture screw shafts for co-rotating twin screw extruders ranging from 10 mm to 120 mm and over. Our manufacturing specializes in shafts for twin screw extruders and is optimized for flexible order handling.
Co-rotating twin screw shafts for
-APV -KOBE -OMC
-Buhler -KraussMaffei -Theysohn
-Buss -Berstorff- -Toshiba
-Clextral -Labtech -USEON
-Lantai – others
-JSW -Leistritz
-Keya -Maris
Types of shaft
* Single Keyway * Square Keyslot *High torque key button * Dual keyslot
* Involute inner spline * Round keyslot *Retackle spline * Client’s requirements available
We offer a broader choice of material
Material:
– Structural alloy steel 40CrNiMo
– PM-HIP Alloy Steel WR15E
– PM-HIP Alloy Steel WR30
Enclosed WR15E material details
Chemical composition
| C | Si | Mn | Cr | Mo | V | |
| W-% | 0.40 | 1.00 | 0.50 | 5.00 | 1.60 | 1.00 |
By working closely with customers in choosing optional materials,we can minimize wear and tear and associated costs.
Material properties
Our Production Plant
FRQ
1. Q: Are you a factory or trading company?
—-A: A factory
2. Q: Where is your factory located? How can I visit there?
—–A: Our factory is located in HangZhou, ZheJiang Province, China,
1) You can fly to HangZhou Airport directly. We will pick you up when you arrive in the airport;
All our clients, from domestic or abroad, are warmly welcome to visit us!
3.Q: What makes you different with others?
—-A: 1) Our Excellent Service
For a quick, no hassle quote just send email to us
We promise to reply with a price within 24 hours – sometimes even within the hour.
2) Our quick manufacturing time
For Normal orders, we will promise to produce within 30 working days.
As a manufacturer, we can ensure the delivery time according to the formal contract.
4.Q: How about the delivery time?
—-A: This depends on the product. Typically standard products are delivered within 30 days.
- Q: What is the term of payment?
—-A: 1) T/T payment; 2) LC;
6.Q: May I know the status of my order?
—-A: Yes .We will send you information and photos at different production stage of your order. You will get the latest information in time.
| After-sales Service: | 1 Year |
|---|---|
| Warranty: | 1 Year |
| Type: | Pipe Extruder |
| Plastic Processed: | PVC |
| Product Type: | Granulating Extruder |
| Feeding Mode: | Multiple Feed |
| Customization: |
Available
| Customized Request |
|---|
What Are Screw Shaft Threads?
A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs.
Coefficient of friction between the mating surfaces of a nut and a screw shaft
There are two types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
The two types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.
Helix angle
In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are two types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in two stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to six times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
Thread angle
The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871.
Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
Helix angle and thread angle are two different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.
Material
Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each one is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
Self-locking features
Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the two materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.
editor by CX 2023-10-19
China Custom Forging Brand Shaft for Ball Screw Spline High Sensitivity Rotation Zero Angle Clearance Ball Spline screw shaft design
Product Description
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Material |
20CrMn5,20CrMnTi,40Cr,Powder deposit,45#steel,42CrMo,Stainless steel and so on as per your requests. |
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Custom |
OEM/ODM |
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Lead Time |
Sample: 20-30 days after deposit received, Batch goods: 30-45days after samples have been approved. Die opening product:7-15days after samples have been approved.It takes 45-60 days to open the mold. |
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Processing |
Forging,Machining,Hobbing,Milling,Shaving,Grinding teeth, inserting teeth, shot blasting, Grinding,Heat treatment…… |
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Heat Treatment |
Intermediate frequency, high frequency, tempering, desalinating, carburizing…… |
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Main Machines |
CNC gear hobbing machine, CNC gear cutting machine, CNC lathe, CNC gear shaving machine, CNC gear milling machine, CNC gear grinding machine, CNC Grinding Machine…. |
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Ruika has been engaged in manufacturing of forgings, castings, heat treatment and CNC machining parts since 1999.
The products materials have passed EN15714-3.1 certification, covering various grades of: low carbon steel, alloy steel, stainless steel, ductile iron, aluminum alloy, copper alloy, titanium alloy.
The main processes are: free forging, die forging, rolling ring, high pressure casting, centrifugal casting, normalizing, quenching and tempering, solution treatment, aging treatment, carbonitriding, turning, milling, drilling, grinding, hobbing, high frequency quenching, galvanizing, chrome plating, anodizing, powder spraying and other processes.
Rings and plates dimensions: Max 3000mm, shafts length: Max 12000mm, single piece weight: Max 16 Tons, at the same time we are good at terminal machining of complex products, dimension accuracy: Min 0.01mm, roughness: Min Ra0.6.
Products can be strictly examined by chemical composition, tensile strength, yield strength, reduction of area, impact at low temperature, intergranular corrosion, hardness, metallographic, NDT, size, static balance etc performance parameter.
Products are widely used in: aerospace, ships, trains, automobiles, engineering vehicles, chemical industry and petroleum refining, wellheads, x-mas tree equipment, mining machinery, food machinery, hydraulic and wind power generation, new energy equipment etc field.
Welcome to send: PDF, IGS, STP and other format drawings, of course we could also make material judgment and size survey according to your samples.
With more than 20 years of manufacturing experience and overseas sales team, we have achieved 100% customer satisfaction. The warranty period of products sold is 365 days. We look CHINAMFG to your consultation and cooperation at any time and common prosperity development.
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
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| Hardness: | Soft Tooth Surface |
| Gear Position: | Internal Gear |
| Manufacturing Method: | Rolling Gear |
| Toothed Portion Shape: | Spur Gear |
| Material: | Cast Steel |
| Samples: |
US$ 200/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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Screw Sizes and Their Uses
Screws have different sizes and features. This article will discuss screw sizes and their uses. There are two main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt’s thread depth.
The major diameter of a screw shaft
The major diameter of a screw shaft is the distance from the outer edge of the thread on one side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between two and sixteen inches. A screw with a pointy tip has a smaller major diameter than one without. In addition, a screw with a larger major diameter will have a wider head and drive.
The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
The pitch is a crucial component of a screw’s threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is one element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.
The pitch diameter of a screw shaft
When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
The pitch diameter of a screw shaft is measured from the crest of one thread to the corresponding point on the next thread. Measurement is made from one thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.
The thread depth of a screw shaft
Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in one revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.
The lead of a screw shaft
Pitch and lead are two measurements of a screw’s linear distance per turn. They’re often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
There are two ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with two or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.
The thread angle of a screw shaft
The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers’s thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA’s Vol. 1 publication.
There are two types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.
The tapped hole (or nut) into which the screw fits
A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an “A” or “B” letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a “threaded hole” and is designated by a letter.
A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.
editor by CX 2023-10-14
China OEM High Precision Ball Screw Ball Spline Shaft screw shaft for
Product Description
Product Description
The spline is a kind of linear motion system. When spline motions along the precision ground Shaft by balls, the torque is transferred. The spline has compact structure. It can transfer the Over load and motive power. It has longer lifetime. At present the factory manufacture 2 kinds of spline, namely convex spline and concave spline. Usually the convex spline can take bigger radial load and torque than concave spline.
| Product name | Ball spline |
| Model | GJZ,GJZA,GJF,GJH,GJZG,GJFG, |
| Dia | 15mm-150mm |
| Material | Bearing Steel |
| Precision Class | Normal/ High/ Precise |
| Package | Plastic bag, box, carton |
| MOQ | 1pc |
Ball type:φ16-φ250
High speed , high accuracy
Heavy load , long life
Flexible movement,low energy consumption
High movement speed
Heavy load and long service life
Applicationgs:semiconductor equipment,tire machinery,monocrystalline silicon furnace,medical rehabilitation equipment
Detailed Photos
Product Parameters
Structure
Scope of application
Semiconductor equipment,tire machinery,monocrystalline silicon furnace,medical rehabilitation equipment.
FFZ size
| Code and type | Nominal axial dia. d0 |
External dia. D |
Length of spline nut L1 |
Max. length of shaft L |
Standard rated torque | Basic rated load | ||
| Dynamic torsion N-m |
Stationary torsion N-m |
Dynamic load C kN |
Static load C0 kN |
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| GJZ15 / GJF15 | 15 | 23 | 40 | 400 | 27.8 | 65.2 | 3.9 | 8.1 |
| GJZ20 / GJF20 | 20 | 30 | 50 | 600 | 62.3 | 135.2 | 6.6 | 12.7 |
| GJZ25 / GJF25 | 25 | 38 | 60 | 800 | 127.3 | 268.3 | 10.9 | 20.2 |
| GJZ30 / GJF30 | 30 | 45 | 70 | 1400 | 155.7 | 318.7 | 11.1 | 20 |
| GJZ32 / GJF32 | 32 | 48 | 70 | 1400 | 236.4 | 459.9 | 15.8 | 27.1 |
| GJZ40 / GJF40 | 40 | 60/57 | 90 | 1500 | 548 | 1081.9 | 29.3 | 50.9 |
| GJZ50 / GJF50 | 50 | 75/70 | 100 | 1500 | 880.6 | 1711.6 | 37.7 | 64.5 |
| GJF60 | 60 | 85 | 127 | 1500 | 2135.9 | 4172.9 | 76.2 | 131.1 |
| GJZ70 / GJF70 | 70 | 100 | 110/135 | 1700 | 2788/3153.4 | 4141.1 | 76.1 | 111.5/156.1 |
| GJZ85 / GJF85 | 85 | 120 | 140/155 | 1900 | 3978/4437.2 | 6927.4 | 100.2 | 153.6/179.2 |
| GJZ100 / GJF100 | 100 | 140/135 | 160 | 1900 | 6905.9 | 11737.2 | 147.9 | 221.3 |
If you have any needs,pls feel free to contact us and we will send you our catalog for reference.
Main Products
Company Profile
Customer Feedback
FAQ
1. Why choose AZI China?
With more than 60 years of production experience, quality assurance,factory directly price.
2. What is your main products ?
Our Main products are consist of ball screw,linear guide,arc linear guide,ball spline and ball screw linear CZPT rail module.
3. How to Custom-made (OEM/ODM)?
If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
4. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.
5. How can I get a sample to check the quality?
We quote according to your drawing, the price is suitable, CHINAMFG the sample list.
6. What‘s your payment terms?
Our payment terms is 30% deposit,balance against receiving copy of B/L or L/C sight.
| Material: | Gcr15 |
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| Load: | Customized |
| Stiffness & Flexibility: | Stiffness / Rigid Axle |
| Journal Diameter Dimensional Accuracy: | Customized |
| Axis Shape: | Straight Shaft |
| Transport Package: | Cartons or Wooden Box |
| Samples: |
US$ 10/Set
1 Set(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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Screw Shaft Features Explained
When choosing the screw shaft for your application, you should consider the features of the screws: threads, lead, pitch, helix angle, and more. You may be wondering what these features mean and how they affect the screw’s performance. This article explains the differences between these factors. The following are the features that affect the performance of screws and their properties. You can use these to make an informed decision and purchase the right screw. You can learn more about these features by reading the following articles.
Threads
The major diameter of a screw thread is the larger of the two extreme diameters. The major diameter of a screw is also known as the outside diameter. This dimension can’t be directly measured, but can be determined by measuring the distance between adjacent sides of the thread. In addition, the mean area of a screw thread is known as the pitch. The diameter of the thread and pitch line are directly proportional to the overall size of the screw.
The threads are classified by the diameter and pitch. The major diameter of a screw shaft has the largest number of threads; the smaller diameter is called the minor diameter. The thread angle, also known as the helix angle, is measured perpendicular to the axis of the screw. The major diameter is the largest part of the screw; the minor diameter is the lower end of the screw. The thread angle is the half distance between the major and minor diameters. The minor diameter is the outer surface of the screw, while the top surface corresponds to the major diameter.
The pitch is measured at the crest of a thread. In other words, a 16-pitch thread has a diameter of one sixteenth of the screw shaft’s diameter. The actual diameter is 0.03125 inches. Moreover, a large number of manufacturers use this measurement to determine the thread pitch. The pitch diameter is a critical factor in successful mating of male and female threads. So, when determining the pitch diameter, you need to check the thread pitch plate of a screw.
Lead
In screw shaft applications, a solid, corrosion-resistant material is an important requirement. Lead screws are a robust choice, which ensure shaft direction accuracy. This material is widely used in lathes and measuring instruments. They have black oxide coatings and are suited for environments where rusting is not acceptable. These screws are also relatively inexpensive. Here are some advantages of lead screws. They are highly durable, cost-effective, and offer high reliability.
A lead screw system may have multiple starts, or threads that run parallel to each other. The lead is the distance the nut travels along the shaft during a single revolution. The smaller the lead, the tighter the thread. The lead can also be expressed as the pitch, which is the distance between adjacent thread crests or troughs. A lead screw has a smaller pitch than a nut, and the smaller the lead, the greater its linear speed.
When choosing lead screws, the critical speed is the maximum number of revolutions per minute. This is determined by the minor diameter of the shaft and its length. The critical speed should never be exceeded or the lead will become distorted or cracked. The recommended operational speed is around eighty percent of the evaluated critical speed. Moreover, the lead screw must be properly aligned to avoid excessive vibrations. In addition, the screw pitch must be within the design tolerance of the shaft.
Pitch
The pitch of a screw shaft can be viewed as the distance between the crest of a thread and the surface where the threads meet. In mathematics, the pitch is equivalent to the length of one wavelength. The pitch of a screw shaft also relates to the diameter of the threads. In the following, the pitch of a screw is explained. It is important to note that the pitch of a screw is not a metric measurement. In the following, we will define the two terms and discuss how they relate to one another.
A screw’s pitch is not the same in all countries. The United Kingdom, Canada, and the United States have standardized screw threads according to the UN system. Therefore, there is a need to specify the pitch of a screw shaft when a screw is being manufactured. The standardization of pitch and diameter has also reduced the cost of screw manufacturing. Nevertheless, screw threads are still expensive. The United Kingdom, Canada, and the United States have introduced a system for the calculation of screw pitch.
The pitch of a lead screw is the same as that of a lead screw. The diameter is 0.25 inches and the circumference is 0.79 inches. When calculating the mechanical advantage of a screw, divide the diameter by its pitch. The larger the pitch, the more threads the screw has, increasing its critical speed and stiffness. The pitch of a screw shaft is also proportional to the number of starts in the shaft.
Helix angle
The helix angle of a screw shaft is the angle formed between the circumference of the cylinder and its helix. Both of these angles must be equal to 90 degrees. The larger the lead angle, the smaller the helix angle. Some reference materials refer to angle B as the helix angle. However, the actual angle is derived from calculating the screw geometry. Read on for more information. Listed below are some of the differences between helix angles and lead angles.
High helix screws have a long lead. This length reduces the number of effective turns of the screw. Because of this, fine pitch screws are usually used for small movements. A typical example is a 16-mm x 5-inch screw. Another example of a fine pitch screw is a 12x2mm screw. It is used for small moves. This type of screw has a lower lead angle than a high-helix screw.
A screw’s helix angle refers to the relative angle of the flight of the helix to the plane of the screw axis. While screw helix angles are not often altered from the standard square pitch, they can have an effect on processing. Changing the helix angle is more common in two-stage screws, special mixing screws, and metering screws. When a screw is designed for this function, it should be able to handle the materials it is made of.
Size
The diameter of a screw is its diameter, measured from the head to the shaft. Screw diameters are standardized by the American Society of Mechanical Engineers. The diameters of screws range from 3/50 inches to sixteen inches, and more recently, fractions of an inch have been added. However, shaft diameters may vary depending on the job, so it is important to know the right size for the job. The size chart below shows the common sizes for screws.
Screws are generally referred to by their gauge, which is the major diameter. Screws with a major diameter less than a quarter of an inch are usually labeled as #0 to #14 and larger screws are labeled as sizes in fractions of an inch. There are also decimal equivalents of each screw size. These measurements will help you choose the correct size for your project. The screws with the smaller diameters were not tested.
In the previous section, we described the different shaft sizes and their specifications. These screw sizes are usually indicated by fractions of an inch, followed by a number of threads per inch. For example, a ten-inch screw has a shaft size of 2” with a thread pitch of 1/4″, and it has a diameter of two inches. This screw is welded to a two-inch Sch. 40 pipe. Alternatively, it can be welded to a 9-inch O.A.L. pipe.
Shape
Screws come in a wide variety of sizes and shapes, from the size of a quarter to the diameter of a U.S. quarter. Screws’ main function is to hold objects together and to translate torque into linear force. The shape of a screw shaft, if it is round, is the primary characteristic used to define its use. The following chart shows how the screw shaft differs from a quarter:
The shape of a screw shaft is determined by two features: its major diameter, or distance from the outer edge of the thread on one side to the inner smooth surface of the shaft. These are generally two to sixteen millimeters in diameter. Screw shafts can have either a fully threaded shank or a half-threaded shank, with the latter providing better stability. Regardless of whether the screw shaft is round or domed, it is important to understand the different characteristics of a screw before attempting to install it into a project.
The screw shaft’s diameter is also important to its application. The ball circle diameter refers to the distance between the center of two opposite balls in contact with the grooves. The root diameter, on the other hand, refers to the distance between the bottommost grooves of the screw shaft. These are the two main measurements that define the screw’s overall size. Pitch and nominal diameter are important measurements for a screw’s performance in a particular application.
Lubrication
In most cases, lubrication of a screw shaft is accomplished with grease. Grease is made up of mineral or synthetic oil, thickening agent, and additives. The thickening agent can be a variety of different substances, including lithium, bentonite, aluminum, and barium complexes. A common classification for lubricating grease is NLGI Grade. While this may not be necessary when specifying the type of grease to use for a particular application, it is a useful qualitative measure.
When selecting a lubricant for a screw shaft, the operating temperature and the speed of the shaft determine the type of oil to use. Too much oil can result in heat buildup, while too little can lead to excessive wear and friction. The proper lubrication of a screw shaft directly affects the temperature rise of a ball screw, and the life of the assembly. To ensure the proper lubrication, follow the guidelines below.
Ideally, a low lubrication level is appropriate for medium-sized feed stuff factories. High lubrication level is appropriate for larger feed stuff factories. However, in low-speed applications, the lubrication level should be sufficiently high to ensure that the screws run freely. This is the only way to reduce friction and ensure the longest life possible. Lubrication of screw shafts is an important consideration for any screw.
editor by CX 2023-10-13