Product Description
Product Description
A heavy-duty roller shaft is a special type of mechanical part that is often used in industrial equipment and mechanical transmission systems. Function: Heavy-duty hollow flange shafts are typically used to connect 2 or more rotating parts such as gears, fan blades or transmissions. It connects rotating parts fixed on the shaft through flanges so that they can rotate together and transmit force and torque. Material selection: Heavy-duty hollow flange shafts are usually manufactured with high-strength alloy steel or stainless steel to ensure that they have sufficient strength and durability. The choice of material depends on the application environment and requirements. Structural design: The heavy-duty hollow flange shaft consists of 2 main parts: the shaft body and the flange. The shaft body is hollow with a large internal diameter to reduce overall weight and provide room for other transmission components. Flanges are located at both ends of the shaft and are used to connect and fix rotating parts. Manufacturing process: The manufacturing of heavy-duty hollow flange shafts usually involves multiple operations, including turning, milling, cutting, drilling, etc. These operations are used to machine the shaft body and flange and ensure that their size and shape meet the design requirements.
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★★★High Load Capacity: Large helical gear shafts are designed to handle significant loads and transmit high levels of torque. The helical gear design allows for a greater tooth engagement, resulting in improved load distribution and higher load-carrying capacity compared to other gear types.
★★★Smooth and Quiet Operation: Helical gears have a gradual engagement of teeth, which reduces noise and vibration during operation. The helix angle of the teeth helps to distribute the load smoothly, minimizing impact and ensuring a quieter gear system.
★★★Increased Efficiency: The helical gear design provides a larger contact area between the teeth, resulting in higher efficiency compared to other gear types. This leads to reduced power losses and improved overall system efficiency.
★★★Greater Tooth Strength: The helical gear teeth are longer and have a larger surface area compared to spur gears, providing increased tooth strength. This makes large helical gear shafts more resistant to wear and fatigue, allowing them to withstand heavy loads and prolonged use.
★★★Improved Gear Meshing: Helical gears offer a gradual engagement of teeth, which results in a smoother meshing action. This helps to minimize backlash, improve gear accuracy, and reduce the likelihood of tooth damage during gear engagement.
★★★Versatility: Large helical gear shafts can be used in a wide range of applications, including industrial machinery, heavy equipment, marine propulsion systems, and power transmission systems. Their versatility makes them suitable for various industries and sectors.
★★★Reliability and Durability: The use of high-quality materials, precise manufacturing techniques, and rigorous quality control ensures that large helical gear shafts are reliable and durable. They are designed to withstand heavy loads, extreme operating conditions, and long service life.
Company Profile
/* 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: | Alloy Steel |
|---|---|
| Load: | Drive Shaft |
| Stiffness & Flexibility: | Stiffness / Rigid Axle |
| Journal Diameter Dimensional Accuracy: | IT6-IT9 |
| Axis Shape: | Straight Shaft |
| Shaft Shape: | Real Axis |
| 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.
How do screw jacks ensure smooth and controlled linear movement of loads?
Screw jacks are designed to ensure smooth and controlled linear movement of loads. They employ several mechanisms and features that contribute to this capability. Here are some ways in which screw jacks achieve smooth and controlled linear movement:
- Threaded Screw and Nut Mechanism: Screw jacks consist of a threaded screw and a matching nut. The screw is rotated using a handle or a motor, causing it to move linearly through the nut. The thread geometry allows for smooth and controlled movement as the screw advances or retracts. The precision of the screw thread ensures that the load moves linearly without jerks or sudden changes in speed.
- Low Friction and High Efficiency: Screw jacks are designed to minimize friction and maximize efficiency. The components of the screw jack, such as the screw, nut, and bearing surfaces, are manufactured with smooth and precise finishes. This reduces frictional forces and minimizes energy losses during operation. The low friction characteristics enable smooth movement and ensure that a significant portion of the input force is translated into lifting or lowering the load.
- Load Distribution and Stability: Screw jacks are designed to distribute the load evenly across the screw thread and nut. This ensures that the load is supported and guided in a stable manner during linear movement. The load-bearing components of the screw jack, such as the housing and base, are constructed to provide adequate strength and rigidity, minimizing deflection and maintaining stability throughout the lifting or lowering process.
- Anti-Backlash Mechanisms: Backlash refers to the slight axial movement or play that can occur between the screw and the nut in a screw jack. To minimize backlash and ensure precise control, screw jacks often incorporate anti-backlash mechanisms. These mechanisms, such as preloading springs or adjustable backlash nuts, reduce or eliminate any free movement, allowing for more accurate and controlled linear motion of the load.
- Overload Protection: Screw jacks may include overload protection features to prevent damage or failure in the event of excessive loads or unexpected conditions. These features can include mechanical stops, shear pins, or overload clutches that disengage or limit the load-carrying capacity of the screw jack when predetermined limits are exceeded. Overload protection mechanisms contribute to the safe and controlled movement of loads.
By employing a threaded screw and nut mechanism, minimizing friction, ensuring load distribution and stability, incorporating anti-backlash mechanisms, and providing overload protection, screw jacks enable smooth and controlled linear movement of loads. These features make screw jacks suitable for a wide range of applications where precise positioning, lifting, or lowering with controlled speed and stability is required.
What is a screw jack and how is it used in various applications?
A screw jack is a mechanical device that converts rotational motion into linear motion. It consists of a threaded shaft (screw) and a nut that engages with the screw. When the screw is rotated, it moves the nut along the screw’s threads, causing linear displacement. Screw jacks are commonly used in various applications where heavy loads need to be lifted, lowered, or positioned with precision. Here are some key points regarding screw jacks and their applications:
- Principle of Operation: Screw jacks operate based on the principle of linear motion generated by the rotary motion of the screw. When the screw is rotated using a handle, motor, or other power source, the nut moves along the screw’s threads, resulting in linear displacement. The pitch of the screw determines the distance traveled per revolution.
- Lifting and Lowering Heavy Loads: Screw jacks are frequently used for lifting and lowering heavy loads in various industries. They provide a mechanical advantage, allowing operators to exert relatively low force to move substantial loads vertically. Screw jacks are commonly used in applications such as automotive lifts, industrial machinery, stage rigging, and construction equipment.
- Precision Positioning: Screw jacks are capable of precise positioning due to their ability to control linear displacement. By accurately controlling the rotational motion of the screw, the nut can be moved with high precision, enabling precise positioning of loads or equipment. This makes screw jacks suitable for applications that require fine adjustments, such as in assembly lines, testing equipment, or positioning systems.
- Load Capacity: Screw jacks are designed to handle a wide range of load capacities, from relatively light loads to extremely heavy loads. The load capacity of a screw jack depends on factors such as the diameter and pitch of the screw, the material and design of the components, and the mechanical arrangement of the jack. Specialized screw jacks can be engineered to handle loads ranging from a few kilograms to several hundred tons.
- Multiple Jack Systems: In applications that require lifting or moving exceptionally heavy loads or to distribute the load evenly, multiple screw jacks can be used in a synchronized arrangement. By mechanically linking several screw jacks together, they can be operated simultaneously to ensure coordinated and balanced lifting or lowering of the load.
- Automation and Motorization: While manual operation using a handle is common for smaller loads, larger and more complex applications often utilize motorized or automated systems. Electric motors, hydraulic systems, or pneumatic systems can be integrated with screw jacks to provide power and control for lifting or positioning operations. This enables efficient and precise operation, especially in industrial or automated processes.
Screw jacks are versatile mechanical devices used for lifting, lowering, and positioning heavy loads with precision. Their applications range from simple manual operations to complex automated systems, making them indispensable in various industries that require controlled linear motion and load handling.
editor by Dream 2024-04-25
China Hot selling Alloy Steel Round Bar Grade 4340 / 40CrNiMoA/Sncm439 Alloy Steel Shaft brass screw shaft
Product Description
Alloy Steel Round Bar Grade 4340 / 40CrNiMoA/SNCM439 Alloy Steel Shaft
| Products | Alloy Steel Round Bar |
| Diameter | 13 – 300mm |
| Length | 6m or custom cutting as request |
| Grade | 4340 Alloy Steel |
| Our Service | Cutting , polishing, packing, heat treatment |
| Brand | BAOSTEEL , HangZhou, DSS,ZheJiang , XNSS,HLXT.etc |
| Standard | GB , ASTM , JIS , EN , DIN |
| Company Type | storgae company and process service |
AISI 4340 steel (UNS G43400) is an ultra-high strength medium carbon low alloy steel, which combines deep hardenability, high ductility, toughness and strength, and has high fatigue resistance and creep resistance. It is not particularly affected by tempering and embrittlement, and exhibits good strength retention at high temperatures and is not easily softened. In thin sections, this steel is air-hardened. In practice, it is usually oil quenched.
Chemical Composition of 4340 Alloy Steel
AISI 4340 steel material chemical composition is listed in the following table based on cast analysis.
| 4340 Chemical Composition, % | ||||||||||
| ASTM | Steel Grade (UNS) | C | Si | Mn | P (≤) | S (≤) | Ni | Cr | Mo | Notes |
| ASTM A29/A29M | 4340 alloy steel (UNS G43400) | 0.38-0.43 | 0.15-0.35 | 0.60-0.80 | 0.035 | 0.04 | 1.65-2.00 | 0.70-0.90 | 0.20-0.30 | Steel Bars, Carbon and Alloy, Hot-Wrought |
| ASTM A322 | Steel Bars, Alloy, Standard Grades | |||||||||
| ASTM A519/A519M | Seamless Carbon and Alloy Steel Mechanical Tubing | |||||||||
| ASTM A646/A646M | Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings | |||||||||
Mechanical Properties of 4340 Alloy Steel
4340 steel mechanical properties are listed in the following tables.
| AISI 4340 Mechanical Properties | ||||||
| Steel | Condition | Tensile strength, MPa (ksi), ≥ | Yield strength, MPa (ksi), ≥ | Elongation in 50 mm (2 in.), ≥ | Reduction in area, %, ≥ | Hardness, HB, ≤ |
| 4340 | Normalized at 870 °C (1600 °F) | 1282 (186) | 862 (125) | 12.2 | 36.3 | 363 |
| Annealed at 810 °C (1490 °F) | 745 (108) | 470 (68) | 22.0 | 50.0 | 217 | |
| Oil quenched from 800 °C (1475 °F) and tempered at 540 °C (1000 °F) | 1207 (175) | 1145 (166) | 14.2 | 45.9 | 352 | |
Applications of 4340 Alloy Steel
SAE AISI 4340 steel is usually used in places where severe conditions exist and heavy parts requiring high strength, and can be widely used as billet, bar, bar, forging, sheet, pipe and welding wire. AISI 4340 steel can also be produced as light plates and castings. Typical applications include bolts, screws and other fasteners. Gears, pinions, shafts and similar mechanical components; crankshafts and piston rods of engines; and landing gear and other key structural components of aircraft.
Equivalent of 4340 Alloy Steel
ASTM AISI 4340 steel equivalent to SAE, European (German DIN, British BSI, France NF), Japanese JIS and Chinese GB standard (for reference).
| AISI 4340 equivalent | |||||||||||
| US | European Union | China | Japan | ISO | |||||||
| Standard | Grade (UNS) | Standard | Grade | Standard | Steel name (Steel number) | Standard | Grade | Standard | Grade | Standard | Grade |
| AISI SAE; ASTM A29/A29M; ASTM A322; ASTM A519/A519M; ASTM A646/A646M |
4340 (UNS G43400) | SAE | AMS6414 | GB/T 3077 | 40CrNi2Mo | JIS G 4053 | SNCM439 | ||||
Company Informations
Our company’s main material of all kinds of round steel, ling Steel, CHINAMFG Steel, Benshan Steel, Tiangang, ZheJiang Luli steel, HangZhou steel, Professional, HangZhou, Laigang, HangZhou steel and other major steel mills all kinds of excellent special steel designated agents in ZheJiang , monthly sales of all kinds of steel 40,000-60000 tons.
We have more than 4 warehouse for stock our bars. About 30 grade of products keep in stock long time, more than 800 size ensure the short deliver time for clients.
We have a warehouse specially for steel round bar processing, include cutting, polishing, heat treatment.etc
The company’s sales network throughout the world, products are widely used in a variety of machinery, standard parts, automobiles, gears, forging, hardware tools and other industries.
We manufacture the following popularly used grades:
| EN19, EN24, EN25, EN26, EN30, EN31, EN36C, EN39, EN 40, EN41B, EN42, EN9, EN14A, EN15, EN16, EN18, EN47, EN100, EN351, EN353, EN354, EN355, C22E, C25E, C30, C35E, C45, CK45, C50, C55, C60, S45C, S235J2, S275J2, S355J2, ST52.3, C35E, C45R, 35B2, 28Mn6, 46Cr2, 34Cr4, 41Cr4, 20Mn5, 42CrMo4, 50CrMo4, 30CrNiMo8, 34CrNiMo6, 36CrNiMo4, 36NiCrMo16, 51CrV4 27MnCrB5, 32CrB4, 25CrMo4, 20MnCr5, 16MnCr5, 16MnCrS5,17CrNiMO6, 18CrNiMo7, 20MnB4, 23MnB4, 23MnB3, 34CrMo4V, SS410, SS416, SS420, SS431, SCM420, SCM440, 13Ni13Cr3, 15Ni16Cr5, 36Si7, 40Cr4, 15Ni5Cr4Mo1, 15Ni7Cr4Mo2, 16Ni8Cr6Mo2, 36Si7, 37C15, 35Mn6Mo3, 40Ni6Cr4Mo3, 40Ni10Cr3Mo6, 55Si7, 50Cr4V2, 25Cr13Mo6, 10C8S10, 14Cr14S14, 25C12S14, 40C10S18, 11C10S25, 40C15C12, |
| SAE 1571, SAE1571, SAE1030, SAE 1035, SAE 1040, SAE 1117, SAE1541H, SAE4130, SAE4135, SAE4140, SAE4145, SAE4145H, SAE 4330, SAE 4340, SAE 4820, SAE5160, SAE8620, SAE 8630, SAE8640, SAE52100, SAE9310, AISI1571, AISI1571, AISI1030, AISI 1035, AISI 1040, AISI 1117, AISI1541H, AISI 4130, AISI4135, AISI4140, AISI4145, AISI4145H, AISI 4330, AISI 4340, AISI4820, AISI 5160, AISI 8620, AISI 8630, AISI 8640, AISI 9310 |
| BS970 080A15, 080M15, 070M20, 080A30, 080M30, 080M40, 080A42, 080A47, 080M50, 070M55, 150M19, 150M36, 045A10, 045M10, 080M15, 210M15, 635M15, 637M17, 655M13, 665M17, 805M17, 805M20, 815M17, 820M17, 822M17, 835M15, 530M40, 605M36, 606M36, 708M40, 709M40, 722M24, 817M40, 826M31, 826M40, 945M38, 410S21, 416S21, 416S29, 420S29, 420S37, 431S29 |
| EN 10088-3 X12Cr13, X20Cr13, X30Cr13, X17CrNi16-2 |
| ASTM A105, ASTM A182 F5, ASTM A182 F9, ASTM A182 F11, ASTM A182 F12, ASTM A182 F22, ASTM A182 F91, ASTM A182 F92, ASTM A350 LF2, ASTM B16, ASTM A193 B7, ASTM A193 B16, ASTM A266 Grade 1-2-3 and 4, ASTM A29 all grades, ASTM A540 B21, ASTM A540 B22, ASTM A540 B23, ASTM A540 B24, ASTM A540 B24V |
| X22CrMoV121, 21CrMov57, 40CrMoV4-6, 27NiCrMoV15-6, 26 NiCrMo 14-6, 20CrMoVTiB4-10, X19CrMoNbVN11-1, X10CrMoVNb9-1 |
| DIN 1.2714/DB6, DIN1.2343/AISI H11, Din 1.2344/AISI H13 |
| GOST 4543-71 33XC, 38XC, 40XC, 45XH, 30XH3A, 12X2H4A, 20X2H4A, 20X2H4MA, 18X2H4MA, 30XGCA, 40ХН2МА, 40Х2Н2MA, 30ХН2МА |
Products Show
/* 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
| Type: | Alloy Steel Bar |
|---|---|
| Standard: | ASTM |
| Technique: | Hot Rolled |
| Application: | Tool Steel Bar |
| Surface Treatment: | Polished |
| Alloy: | Alloy |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
What advancements in screw jack technology have improved efficiency and reliability?
Advancements in screw jack technology have led to significant improvements in efficiency and reliability. Here are some key advancements that have contributed to these improvements:
- High-Efficiency Ball Screws: Traditional screw jacks often used trapezoidal or square threads, which had relatively lower efficiency due to higher friction. However, the introduction of high-efficiency ball screws in screw jack designs has greatly improved efficiency. Ball screws offer low friction and higher efficiency, resulting in reduced power consumption and improved overall system efficiency.
- Improved Lubrication Systems: Proper lubrication is crucial for the smooth operation and longevity of screw jacks. Advancements in lubrication systems, such as the use of self-lubricating materials, improved lubricants, and better sealing mechanisms, have enhanced the reliability and maintenance intervals of screw jacks. These advancements minimize wear, reduce friction, and ensure consistent performance over extended periods.
- Materials and Coatings: The use of advanced materials and coatings has significantly improved the durability and reliability of screw jacks. Components made from high-strength alloys, such as stainless steel or hardened steel, can withstand higher loads and resist wear. Additionally, coatings like zinc plating or epoxy coatings provide corrosion resistance, extending the lifespan of screw jacks in challenging environments.
- Integrated Sensors and Feedback Systems: Integration of sensors and feedback systems in screw jacks has improved their reliability and control. Position sensors, load sensors, and torque sensors can be integrated into screw jacks to provide real-time feedback and monitoring. This enables precise positioning, load measurement, and the ability to detect and respond to abnormal operating conditions, ensuring safe and reliable operation.
- Automation and Control Integration: The integration of screw jacks with advanced automation and control systems has improved efficiency and reliability. Motorized screw jacks can be integrated with programmable logic controllers (PLCs) or computer numerical control (CNC) systems, enabling precise and synchronized movements, remote operation, and automation. This integration minimizes human error, enhances repeatability, and optimizes the overall efficiency of screw jack systems.
- Design Optimization: Advancements in computer-aided design (CAD) and simulation tools have allowed for the optimization of screw jack designs. Finite element analysis (FEA) and virtual prototyping enable the evaluation and refinement of various design parameters, resulting in improved load-bearing capabilities, reduced weight, and enhanced structural integrity. These design optimizations contribute to increased efficiency and reliability.
These advancements in screw jack technology have collectively improved efficiency, reliability, and overall performance. Manufacturers continue to innovate and refine screw jack designs to meet the evolving needs of various industries, ensuring that screw jacks remain a reliable and efficient solution for lifting and adjusting loads.
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.
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 CX 2024-04-11
China Best Sales OEM Factory Price for Alloy Steel Herringbone Gear Shaft for Transmission Machinery manufacturer
Product Description
Key attributes
Other attributes
Warranty
1.5 years
Applicable Industries
Building Material Shops, Manufacturing Plant, Energy & Mining
Weight (KG)
1
Showroom Location
None
Video outgoing-inspection
Provided
Machinery Test Report
Provided
Marketing Type
New Product 2571
Warranty of core components
1 Year
Core Components
Gear
Material
stainless steel 304, stainless steel 316, 42CrMo, 17CrNiMo, 45steel, 40Cr
Place of Origin
ZheJiang , China
Condition
New
Brand Name
HangZhou
China shaft manufacturer custom chrome steel shaft eccentric shaft
Product Name
Customized forging Steel large Inner tooth Gear Ring
Application
Industry/Gearbox/ Transmission Parts
Size
Customer’s Drawing
Processing
Hobbing/Milling/Shapping
Standard
DIN/GB/AISI
Surface treatment
Polishing/Grinding/ Painting/Anti Rust Oil
Heat Teatment
QT/Hardening/Carburizing
Blank
Forging or Casting as per drawing.
Quality Control
Nondestructive Testing (UT/MT/RT/PT)
Certificate
ISO9001
Packaging and delivery
Packaging Details
1.Wooden box with fumigation
2.Wooden Fram with waterproof cloth
Port
ZheJiang or HangZhou Port
attribute-list
Supply Ability
50000 Piece/Pieces per Year
Lead time
| Quantity (pieces) | 1 – 10 | > 10 |
| Lead time (days) | 45 | 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 |
|---|---|
| Load: | Drive Shaft |
| Appearance Shape: | Steel |
| Customization: |
Available
| Customized Request |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
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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.
Are there different types of screw jacks available for various load capacities?
Yes, there are different types of screw jacks available to accommodate various load capacities. Screw jacks are designed in different configurations and sizes to provide optimal performance and lifting capabilities for a wide range of loads. The load capacity of a screw jack depends on several factors, including the mechanical design, materials used, and the specific application requirements. Here are some common types of screw jacks based on load capacities:
- Miniature Screw Jacks: Miniature screw jacks are compact and lightweight, designed to handle relatively low loads. These screw jacks are commonly used in applications where precise positioning or small load adjustments are required. Miniature screw jacks find applications in industries such as electronics, optics, and small-scale automation systems.
- Standard Duty Screw Jacks: Standard duty screw jacks are versatile and widely used in various industrial applications. They are designed to handle moderate to high loads. These screw jacks offer a balance between load capacity and compactness, making them suitable for a wide range of lifting and positioning tasks in industries such as manufacturing, construction, and material handling.
- Heavy Duty Screw Jacks: Heavy-duty screw jacks are specifically engineered to handle large and heavy loads. These screw jacks are characterized by their robust construction, high load capacities, and enhanced durability. Heavy-duty screw jacks are utilized in applications that involve heavy machinery, industrial presses, large-scale manufacturing, and other scenarios requiring substantial lifting forces.
- Stainless Steel Screw Jacks: Stainless steel screw jacks are designed for applications where corrosion resistance and hygiene are crucial. These screw jacks are constructed using stainless steel components that offer excellent resistance to rust, chemicals, and environmental factors. Stainless steel screw jacks find applications in food processing, pharmaceuticals, clean rooms, and other industries with stringent cleanliness requirements.
- Customized Screw Jacks: In addition to standard types, manufacturers also offer customized screw jacks tailored to specific load capacities and application requirements. Customized screw jacks can be engineered to handle extremely high loads or designed for unique lifting scenarios where off-the-shelf solutions may not be suitable. These customized screw jacks are often developed in collaboration with the customer to ensure optimal performance and reliability.
The availability of different types of screw jacks allows users to select the appropriate solution based on their specific load capacities and application needs. By offering a range of load capacities, manufacturers ensure that there is a suitable screw jack available for a wide variety of lifting and positioning tasks across various industries.
Can screw jacks be customized for specific tasks like stage or platform adjustments?
Yes, screw jacks can be customized for specific tasks such as stage or platform adjustments. Customization allows screw jacks to meet the unique requirements of different applications, providing precise and reliable positioning and lifting solutions. Here’s how screw jacks can be customized for specific tasks:
- Load Capacity: Screw jacks can be customized to handle various load capacities. The load capacity of a screw jack is determined by factors such as the size and strength of the screw and the material used in its construction. By selecting the appropriate components and dimensions, screw jacks can be tailored to support the specific weight requirements of stages, platforms, or other equipment.
- Stroke Length: The stroke length of a screw jack refers to the distance it can extend or retract. By adjusting the length of the screw, the stroke length can be customized to accommodate the desired range of movement for stage or platform adjustments. This ensures that the screw jack can achieve the required height or position adjustments accurately.
- Speed: Depending on the application, the speed of stage or platform adjustments may be a critical factor. Screw jacks can be customized to provide different operating speeds by selecting the appropriate gear ratio or motor speed. This customization allows for efficient and precise adjustments, whether they need to be fast or slow.
- Mounting Options: Screw jacks can be customized to offer various mounting options to suit specific applications. Different types of mounting brackets, flanges, or couplings can be provided to ensure easy integration with existing structures or equipment. Customized mounting options simplify the installation process and enhance the overall functionality of the stage or platform adjustment system.
- Control Mechanism: Screw jacks can be customized with different control mechanisms to suit specific requirements. Manual control options, such as handwheels or crank handles, can be provided for simpler applications. For more complex systems or automated processes, electric or hydraulic motor-driven options can be implemented. Customized control mechanisms enable convenient and efficient operation of the screw jacks.
- Environmental Considerations: Depending on the operating environment, screw jacks can be customized with appropriate materials, coatings, or seals to ensure durability and performance. For example, in corrosive or outdoor settings, stainless steel or protective coatings can be applied to prevent degradation. Customization for environmental considerations enhances the longevity and reliability of screw jacks in specific tasks like stage or platform adjustments.
By offering customizable load capacities, stroke lengths, speeds, mounting options, control mechanisms, and environmental considerations, screw jacks can be tailored to meet the specific requirements of stage or platform adjustments. Customization ensures precise and reliable performance, contributing to the smooth operation of stages, platforms, or other equipment in various applications.
editor by CX 2023-11-20