Product Description
Factory direct supply High frequency induction hardening machine for quenching the shaft metals:
Advantage:
1 More than 21 years experience, high quality, stable performance
2 ISO, CE, SGS certificated
3 PLC OR CNC quenching machine line, automatic program, save workers, imporve work efficient.
Features:
1. The lifting by the Servo motor, position control by the digital input, precision of 0.1mm, wider rang of speed adjustment. The screw lift used in precision ball screw, leading column used in circular column structure, All pillar are thermal refining 45#. Hard chromium plated, No-rust, No-distortion, to ensure durable of machine.
2. Limit lift of machine position by the inductive proximity switches control. Machine with safe buffering.
3. By the mechanical type, abandoned the heavy, large hydraulic systems, To avoid leakage of hydraulic components and reduced accuracy caused by changes brought about by the oil temperature rate of change of equipment operation.
At the same time, reduce the equipment of use for requirements, Machine are use more simple smaller, operation and maintenance more convenience, rarely needs servicing.
4. Use motor control lift on the top. Can according the length of work piece to adjustment. Can be used clomping table, to ensure normal rotation of work piece.
5. The rotating speed can be adjusted digital on control panel. To meet the needs of high-precision adjustment. According to the size of work piece and requirement of quenching process. Can realiachieve the best quenching effect and quality of the work piece.
6. According to operator who can be used to adjust the position of cabinet. So that will be easy handle and work with great efficiency.
7. Work piece rotation by the S, wider rang of speed adjustment, clear and easy; Drive motor is located above the quench, to prevent the motor damp.
8. Quenched by cooling spray, at below of machine have 300mm high water tank. Without need another water tank. Reduce the installation work.
9. Easy disassembly and convenient maintenance. The main components of electronic products used in ZheJiang , long life, low maintenance cost. System uses the full English menu, intuitive interface, easy operation. The CNC/PLC panel can direct input and control quenching time, vertical speed, rotation speed etc. Can store a variety of procedures, easy to calls, especially for multi-stage, variable speed requirements and complex process etc
| Model | ORD-1500MM |
| Work postion | 1 |
| The larggest length of the clamping workpiece | 1550mm |
| The max quenching length | 1500mm |
| the max turning diameter | 600mm |
| workpiece rotation speed | 20~180r/min |
| Quenching feeding speed | 6~3000mm/min |
| Workpiece down fast speed | 400mm/min |
| the max bear weight | 500KG |
| positioning accuracy of the quenching machine line | PLC /CNC Control |
| quenching machine line operation way | Movement Quenching/Soak Quenching |
| quenching speed adjustable | stepless adjustable |
| workpiece rotational speed adjustable | stepless adjustable |
| Water cooling sytem | spray water or spray liquid |
Pre-sale service:
1. recommend the most suitable machine for customers, according to their requirements.
2. Inquiry and consulting support.
3. Sample testing support.
4. View our Factory.
In-sale service:
1. Strictly manufacture the machine, according to relevant technical standards.
2. Take run test, according to relevant equipment test run regulations.
3. Strictly check up the machine, before delivery
4. Delivery on time.
After-sale service:
1. Warranty time: Within 18 months from the date of delivering, 12months from date of receiving.
2. Within warranty all parts are free for customer, any fault caused by non-artificial reason, any quality problems such as design, manufacture, or procedure occurs, We shall provide replacement parts after detecting the faults.
3. If any big quality problems occurs out of the guarantee period, we will send maintenance
technician to provide visiting service after checking with the customer and charge for a favorable price.
5. We will provide a lifetime cost price to the buyer with the materials and spare parts used in system operation, equipment maintenance.
6. The above mentioned are only basic aftersale service requirements,we will make more promises related to quality assurance and operation guarantee. /* 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
| After-sales Service: | Within 24 Hours Response. Lifetime Service |
|---|---|
| Warranty: | 1 Year |
| Type: | Induction Heating Machine |
| Certification: | CE |
| Structure: | Vertical Type |
| Brand: | Ord |
| Customization: |
Available
| Customized Request |
|---|
Can screw jacks be adapted for use in both indoor and outdoor environments?
Yes, screw jacks can be adapted for use in both indoor and outdoor environments. They are versatile mechanical devices that can be designed and manufactured to withstand various environmental conditions. Here’s how screw jacks can be adapted for both indoor and outdoor use:
- Enclosure and Sealing: When screw jacks are intended for outdoor use, they can be equipped with enclosures and sealing mechanisms to protect the internal components from environmental factors such as moisture, dust, or debris. These enclosures are typically made from durable materials like stainless steel or corrosion-resistant coatings to ensure long-term protection.
- Corrosion Resistance: Outdoor environments often expose equipment to corrosive elements. To address this, screw jacks can be manufactured with corrosion-resistant materials or coatings. Stainless steel or zinc plating are commonly used to enhance the corrosion resistance of screw jacks, making them suitable for outdoor applications where exposure to moisture, humidity, or chemicals is expected.
- Weatherproofing: Screw jacks can be designed with weatherproofing features to resist environmental conditions such as rain, snow, or extreme temperatures. This may include seals, gaskets, or protective covers that prevent water or debris from entering the internal components, ensuring reliable operation in outdoor environments.
- UV Resistance: Outdoor applications often expose equipment to ultraviolet (UV) radiation from sunlight. Screw jacks can be manufactured using materials that are UV-resistant or incorporate UV-protective coatings. This helps prevent degradation or discoloration of the components due to prolonged exposure to sunlight.
- Temperature Considerations: Screw jacks can be designed to operate within a wide temperature range to accommodate diverse outdoor environments. Specialized lubricants and materials with high-temperature stability can be used to ensure proper functioning and prevent damage or degradation in extreme temperature conditions.
- IP Ratings: In certain applications, screw jacks may require specific Ingress Protection (IP) ratings to ensure their suitability for outdoor use. IP ratings indicate the level of protection against solids and liquids. Screw jacks can be manufactured with specific IP ratings to meet the environmental requirements of different outdoor applications.
By incorporating these adaptations, screw jacks can be effectively used in both indoor and outdoor environments. Whether it’s in manufacturing facilities, construction sites, or outdoor maintenance tasks, screw jacks provide reliable performance and can withstand the challenges posed by various environmental conditions.
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.
How do manufacturers ensure the quality and reliability of screw jack mechanisms?
Manufacturers employ various quality control and testing measures to ensure the quality and reliability of screw jack mechanisms. These measures are implemented throughout the manufacturing process to verify that the screw jack meets the required standards and performance specifications. Here are some common practices manufacturers use to ensure quality and reliability:
- Design and Engineering: Manufacturers invest in robust design and engineering processes to develop screw jack mechanisms that meet the intended specifications. This includes selecting appropriate materials, determining the optimal thread design, and performing structural analysis to ensure the screw jack can handle the expected loads and movements. Thorough design and engineering processes contribute to the overall quality and reliability of the mechanism.
- Material Selection: Manufacturers carefully select materials with the necessary strength, durability, and corrosion resistance for the construction of screw jack mechanisms. High-quality materials, such as alloy steels or stainless steels, are often chosen to ensure the longevity and reliability of the screw jack. Material selection is based on factors such as load requirements, environmental conditions, and industry standards.
- Quality Assurance: Manufacturers implement comprehensive quality assurance processes to monitor and control the manufacturing steps. These processes include inspections, audits, and documentation to ensure that each screw jack meets the specified quality standards. Quality assurance measures may involve checks for dimensional accuracy, thread quality, surface finish, and proper assembly. Through quality assurance, manufacturers can identify and address any potential defects or deviations from the desired specifications.
- Testing and Performance Evaluation: Manufacturers conduct rigorous testing and performance evaluations to verify the functionality, load capacity, and reliability of screw jack mechanisms. This may involve load testing, endurance testing, and cycling tests to simulate real-world operating conditions. Testing helps validate the performance of the screw jack and ensures that it can handle the intended loads and movements without failure or significant degradation over time.
- Compliance with Standards: Manufacturers ensure that screw jack mechanisms comply with relevant industry standards and regulations. Compliance with standards such as ISO (International Organization for Standardization) or specific industry standards provides assurance of the quality and reliability of the product. Manufacturers may obtain certifications or undergo third-party audits to validate compliance with these standards.
- Customer Feedback and Continuous Improvement: Manufacturers value customer feedback and use it to drive continuous improvement in the design, manufacturing, and performance of screw jack mechanisms. By actively seeking input from customers and end-users, manufacturers can identify areas for enhancement and implement changes to improve the quality and reliability of their products.
By implementing stringent design processes, careful material selection, thorough quality assurance, testing and performance evaluation, compliance with standards, and continuous improvement practices, manufacturers ensure the quality and reliability of screw jack mechanisms. These measures help deliver screw jacks that meet the industry’s expectations for performance, safety, and durability.
editor by CX 2024-04-08
China Best Sales The Bimetallic Screw Shaft for Germany 177 Twin Screw Extruder High Torque Screw Shaft shaft bolt broken
Product Description
The Bimetallic Screw shaft for Germany177 Twin Screw Extruder High Torque screw Shaft
Production description:
| Production name: | Screw shaft | Model Number: | Germany 177 |
| Extrusion equipment: | Material: | 1.2343 | |
| Place of Origin | China | Application | Twin screw extruder machine |
| Production ability | 300m / Per month | Screw Diameter | 177mm |
Co-rotating twin screw shafts for
-APV -KOBE -OMC
-Buss -ICMA -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 materials:
40CrNiMo WR15E WR30
By working closely with customers in choosing optional materials,we can minimize wear and tear and associated costs.
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: | 6 Months |
|---|---|
| Warranty: | 6 Months |
| Standard: | DIN |
| Technics: | Forging |
| Feature: | Recycle |
| Material: | Metal |
| Samples: |
US$ 500/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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 2023-11-13
China factory The Screw Conveyor Accessories Shaft Bearing taylormade shaft adapter screw
Product Description
ZheJiang Yuanben Intelligent Technology Co., Ltd. (hereinafter referred to as Yuanben) is a specialized manufacturer that focuses on designing and manufacturing intelligent vibrating screening equipment. The company is committed to the processing, production, research& development and design of new intelligent vibrating screen. Yuanben is located in the national center city, HangZhou, it owns more than 20 technical engineers, and cooperates deeply all along with ZheJiang Xihu (West Lake) Dis.an Mining Machinery Co., Ltd. which has years of dedicated production experience, in addition, Yuanben has its own processing research and development base.
”Build industry with wisdom, create value with wisdom”, under the promotion of “Internet+” concept, Yuanben will deeply integrate ”intelligence + digitalization” to build an intelligent workshop and realize the intelligence of overall process. While strengthening its own equipment automation intelligence, driving the transformation and upgrading of screening industry, the industry intelligent development should be also jointly promoted.
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The screw conveyor accessories shaft bearing
Introduction
Pipe screw conveyor is a mechanism that uses a rotating helical screw blade coiled around a shaft,it offers a variety of solutions for bulk materials conveying like granular and small bulk materials horizontally or aslope, meanwhile,pipe screw conveyor is very cost-effective and require minimal maintenance to operate. Pipe screw conveyor is widely used for transporting coal,ash,slag,cement,food waste, wood chips, aggregates, cereal grains, animal feed, boiler ash, meat and bone meal, municipal CHINAMFG waste, and many others.
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Advantages and Features
1.Whole sealing structure, no pollution to the environment,no material leakage.
2.According to working conditions, screw conveyor can be designed to multiple inlets and outlets.
3.Flexible installation type, conveyor angle can be 0-30 degree to meet varies requirement.
4.Hanging bearing is provided to connect screw blades and bear the screw body weights.
5.Adopts the method of spot welding to weld spiral blade on the screw shaft.
6.Construction material with carbon steel, stainless steel and abrasion-resistant alloys are optional.
7.Can be disassemble into several sections, save space during transportation.
8.Reducer motor brand can be domestic or imported: Tailong, SEW, CHINAMFG etc.
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Technical Parameter:
| GX Screw Conveyor Technical Performance | ||||||||
| Type | Length/m | Throughput (t/h) | Rotating speed/(r/min) | Reducer | Motor | Weight/kg | ||
| Type | Speed ratio | Type | Power/kW | |||||
| GX200 | 10 | 9 | 60 | YZQ250 | 23.34 | Y90S-4 | 1.1 | 726 |
| GX200 | 20 | 9 | 60 | YZQ250 | 23.34 | Y90L-4 | 1.5 | 1258 |
| GX250 | 10 | 15.6 | 60 | YZQ250 | 23.34 | Y100L1-4 | 2.2 | 960 |
| GX250 | 20 | 15.6 | 60 | YZQ250 | 23.34 | Y100L1-4 | 3 | 1750 |
| GX300 | 10 | 21.2 | 60 | YZQ350 | 23.34 | Y100L2-4 | 3 | 1373 |
| GX300 | 20 | 21.2 | 60 | YZQ350 | 23.34 | Y112M-4 | 4 | 2346 |
| GX400 | 10 | 51 | 60 | YZQ400 | 23.34 | Y132S-4 | 5.5 | 1911 |
| GX400 | 20 | 51 | 60 | YZQ500 | 23.34 | Y160M-4 | 11 | 2049 |
| GX500 | 10 | 87.5 | 60 | YZQ400 | 23.34 | Y132M | 7.5 | 2381 |
| GX500 | 20 | 87.5 | 60 | YZQ650 | 23.34 | Y180M-4 | 18.5 | 5389 |
| GX600 | 10 | 134.2 | 45 | YZQ750 | 23.34 | Y180L-4 | 22 | 3880 |
| GX600 | 10 | 134.2 | 45 | YZQ850 | 23.34 | Y250M-4 | 55 | 7090 |
Selection Conditions
| ♦Material to be processed: _____ | ♦Working environment is indoor or outdoor:________ |
| ♦Handling capacity (Ps. It means the total | ♦Working environment temperature: _______ ºC |
| material capacity feeding from the inlet): _____t/h | ♦Upstream equipment (Ps. It means what kind of |
| ♦Bulk Density: _____t/m3 | equipment is used to feed the material): _____ |
| ♦Conveying distance(distance between | ♦Downstream equipment (Ps. It means what kind of |
| inlet and outlet):__________m | equipment is used to discharge the material): _____ |
| ♦Material size:____mm | ♦Installation form is horizontal or inclined : ________; |
| ♦Material temperature: _______ ºC | If it is inclined,what is the inclined degree_____° , |
| ♦Water content:____% | and whether a supporting frame is needed:_______ |
| ♦Material is corrosive or not: ____ (Ps. Yes or No) | ♦Working power supply: _____V ______HZ |
We mainly provide the following equipments :
| Vibrating Screen | Rotary vibrating screen |
| Ultrasonic vibrating screen | |
| Gyratory screen | |
| Trommel screen | |
| Linear vibrating screen | |
| Circular vibrating screen | |
| Dewatering screen | |
| Vibrating feeder | |
| Belt Conveyor | Belt conveyor |
| Sidewall belt conveyor | |
| Portable belt conveyor | |
| Shuttle conveyor | |
| Tripper | |
| Bucket Elevator | Efficient bucket elevator |
| Belt bucket elevator | |
| Ring chain bucket elevator | |
| Plate chain bucket elevator | |
| Cement bucket elevator | |
| Silo bucket elevator | |
| Screw Conveyor | U-type screw conveyor |
| Cement screw conveyor | |
| Pipe screw conveyor | |
| Scraper Conveyor | Horizontal scraper chain conveyor |
| Incline scraper chain conveyor | |
| Grain scraper chain conveyor |
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| Type: | Screw Conveyor |
|---|---|
| Structure: | Inclining Conveyor |
| Material: | Carbon Steel |
| Material Feature: | Fire Resistant |
| Certification: | ISO9001:2008, ISO9001:2000, CE |
| Energy Saving: | Energy Saving |
| Samples: |
US$ 894/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Types of Screw Shafts
Screw shafts come in various types and sizes. These types include fully threaded, Lead, and Acme screws. Let’s explore these types in more detail. What type of screw shaft do you need? Which one is the best choice for your project? Here are some tips to choose the right screw:
Machined screw shaft
The screw shaft is a basic piece of machinery, but it can be further customized depending on the needs of the customer. Its features include high-precision threads and ridges. Machined screw shafts are generally manufactured using high-precision CNC machines or lathes. The types of screw shafts available vary in shape, size, and material. Different materials are suitable for different applications. This article will provide you with some examples of different types of screw shafts.
Ball screws are used for a variety of applications, including mounting machines, liquid crystal devices, measuring devices, and food and medical equipment. Various shapes are available, including miniature ball screws and nut brackets. They are also available without keyway. These components form a high-accuracy feed mechanism. Machined screw shafts are also available with various types of threaded ends for ease of assembly. The screw shaft is an integral part of linear motion systems.
When you need a machined screw shaft, you need to know the size of the threads. For smaller machine screws, you will need a mating part. For smaller screw sizes, the numbers will be denominated as industry Numeric Sizes. These denominations are not metric, but rather in mm, and they may not have a threads-per-inch designation. Similarly, larger machine screws will usually have threads that have a higher pitch than those with a lower pitch.
Another important feature of machine screws is that they have a thread on the entire shaft, unlike their normal counterparts. These machine screws have finer threads and are intended to be screwed into existing tapped holes using a nut. This means that these screws are generally stronger than other fasteners. They are usually used to hold together electronic components, industrial equipment, and engines. In addition to this, machine screws are usually made of a variety of materials.
Acme screw
An Acme screw is the most common type of threaded shaft available. It is available in a variety of materials including stainless steel and carbon steel. In many applications, it is used for large plates in crushing processes. ACME screws are self-locking and are ideal for applications requiring high clamping force and low friction. They also feature a variety of standard thread forms, including knurling and rolled worms.
Acme screws are available in a wide range of sizes, from 1/8″ to 6″. The diameter is measured from the outside of the screw to the bottom of the thread. The pitch is equal to the lead in a single start screw. The lead is equal to the pitch plus the number of starts. A screw of either type has a standard pitch and a lead. Acme screws are manufactured to be accurate and durable. They are also widely available in a wide range of materials and can be customized to fit your needs.
Another type of Acme screw is the ball screw. These have no back drive and are widely used in many applications. Aside from being lightweight, they are also able to move at faster speeds. A ball screw is similar to an Acme screw, but has a different shape. A ball screw is usually longer than an Acme screw. The ball screw is used for applications that require high linear speeds. An Acme screw is a common choice for many industries.
There are many factors that affect the speed and resolution of linear motion systems. For example, the nut position and the distance the screw travels can all affect the resolution. The total length of travel, the speed, and the duty cycle are all important. The lead size will affect the maximum linear speed and force output. If the screw is long, the greater the lead size, the higher the resolution. If the lead length is short, this may not be the most efficient option.
Lead screw
A lead screw is a threaded mechanical device. A lead screw consists of a cylindrical shaft, which includes a shallow thread portion and a tightly wound spring wire. This spring wire forms smooth, hard-spaced thread convolutions and provides wear-resistant engagement with the nut member. The wire’s leading and trailing ends are anchored to the shaft by means appropriate to the shaft’s composition. The screw is preferably made of stainless steel.
When selecting a lead screw, one should first determine its critical speed. The critical speed is the maximum rotations per minute based on the natural frequency of the screw. Excessive backlash will damage the lead screw. The maximum number of revolutions per minute depends on the screw’s minor diameter, length, assembly alignment, and end fixity. Ideally, the critical speed is 80% of its evaluated critical speed. A critical speed is not exceeded because excessive backlash would damage the lead screw and may be detrimental to the screw’s performance.
The PV curve defines the safe operating limits of a lead screw. This relationship describes the inverse relationship between contact surface pressure and sliding velocity. As the PV value increases, a lower rotation speed is required for heavier axial loads. Moreover, PV is affected by material and lubrication conditions. Besides, end fixity, which refers to the way the lead screw is supported, also affects its critical speed. Fixed-fixed and free end fixity are both possible.
Lead screws are widely used in industries and everyday appliances. In fact, they are used in robotics, lifting equipment, and industrial machinery. High-precision lead screws are widely used in the fields of engraving, fluid handling, data storage, and rapid prototyping. Moreover, they are also used in 3D printing and rapid prototyping. Lastly, lead screws are used in a wide range of applications, from measuring to assembly.
Fully threaded screw
A fully threaded screw shaft can be found in many applications. Threading is an important feature of screw systems and components. Screws with threaded shafts are often used to fix pieces of machinery together. Having fully threaded screw shafts ensures that screws can be installed without removing the nut or shaft. There are two major types of screw threads: coarse and fine. When it comes to coarse threads, UTS is the most common type, followed by BSP.
In the 1840s, a British engineer named Joseph Whitworth created a design that was widely used for screw threads. This design later became the British Standard Whitworth. This standard was used for screw threads in the United States during the 1840s and 1860s. But as screw threads evolved and international standards were established, this system remained largely unaltered. A new design proposed in 1864 by William Sellers improved upon Whitworth’s screw threads and simplified the pitch and surface finish.
Another reason for using fully threaded screws is their ability to reduce heat. When screw shafts are partially threaded, the bone grows up to the screw shaft and causes the cavity to be too narrow to remove it. Consequently, the screw is not capable of backing out. Therefore, fully threaded screws are the preferred choice for inter-fragmentary compression in children’s fractures. However, surgeons should know the potential complication when removing metalwork.
The full thread depth of a fully threaded screw is the distance at which a male thread can freely thread into the shaft. This dimension is typically one millimeter shy of the total depth of the drilled hole. This provides space for tap lead and chips. The full-thread depth also makes fully threaded screws ideal for axially-loaded connections. It is also suitable for retrofitting applications. For example, fully threaded screws are commonly used to connect two elements.
Ball screw
The basic static load rating of a ball screw is determined by the product of the maximum axial static load and the safety factor “s0”. This factor is determined by past experience in similar applications and should be selected according to the design requirements of the application. The basic static load rating is a good guideline for selecting a ball screw. There are several advantages to using a ball screw for a particular application. The following are some of the most common factors to consider when selecting a ball screw.
The critical speed limit of a ball screw is dependent on several factors. First of all, the critical speed depends on the mass, length and diameter of the shaft. Second, the deflection of the shaft and the type of end bearings determine the critical speed. Finally, the unsupported length is determined by the distance between the ball nut and end screw, which is also the distance between bearings. Generally, a ball screw with a diameter greater than 1.2 mm has a critical speed limit of 200 rpm.
The first step in manufacturing a high-quality ball screw is the choice of the right steel. While the steel used for manufacturing a ball screw has many advantages, its inherent quality is often compromised by microscopic inclusions. These microscopic inclusions may eventually lead to crack propagation, surface fatigue, and other problems. Fortunately, the technology used in steel production has advanced, making it possible to reduce the inclusion size to a minimum. However, higher-quality steels can be expensive. The best material for a ball screw is vacuum-degassed pure alloy steel.
The lead of a ball screw shaft is also an important factor to consider. The lead is the linear distance between the ball and the screw shaft. The lead can increase the amount of space between the balls and the screws. In turn, the lead increases the speed of a screw. If the lead of a ball screw is increased, it may increase its accuracy. If not, the lead of a ball screw can be improved through preloading, lubrication, and better mounting accuracy.
editor by CX 2023-10-26
China Best Sales The Screw Conveyor Accessories Shaft Bearing screw conveyor end shaft
Product Description
ZheJiang Yuanben Intelligent Technology Co., Ltd. (hereinafter referred to as Yuanben) is a specialized manufacturer that focuses on designing and manufacturing intelligent vibrating screening equipment. The company is committed to the processing, production, research& development and design of new intelligent vibrating screen. Yuanben is located in the national center city, HangZhou, it owns more than 20 technical engineers, and cooperates deeply all along with ZheJiang Xihu (West Lake) Dis.an Mining Machinery Co., Ltd. which has years of dedicated production experience, in addition, Yuanben has its own processing research and development base.
”Build industry with wisdom, create value with wisdom”, under the promotion of “Internet+” concept, Yuanben will deeply integrate ”intelligence + digitalization” to build an intelligent workshop and realize the intelligence of overall process. While strengthening its own equipment automation intelligence, driving the transformation and upgrading of screening industry, the industry intelligent development should be also jointly promoted.
Get a price at once!
The screw conveyor accessories shaft bearing
Introduction
Pipe screw conveyor is a mechanism that uses a rotating helical screw blade coiled around a shaft,it offers a variety of solutions for bulk materials conveying like granular and small bulk materials horizontally or aslope, meanwhile,pipe screw conveyor is very cost-effective and require minimal maintenance to operate. Pipe screw conveyor is widely used for transporting coal,ash,slag,cement,food waste, wood chips, aggregates, cereal grains, animal feed, boiler ash, meat and bone meal, municipal CHINAMFG waste, and many others.
Get a price at once!
Advantages and Features
1.Whole sealing structure, no pollution to the environment,no material leakage.
2.According to working conditions, screw conveyor can be designed to multiple inlets and outlets.
3.Flexible installation type, conveyor angle can be 0-30 degree to meet varies requirement.
4.Hanging bearing is provided to connect screw blades and bear the screw body weights.
5.Adopts the method of spot welding to weld spiral blade on the screw shaft.
6.Construction material with carbon steel, stainless steel and abrasion-resistant alloys are optional.
7.Can be disassemble into several sections, save space during transportation.
8.Reducer motor brand can be domestic or imported: Tailong, SEW, CHINAMFG etc.
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Technical Parameter:
| GX Screw Conveyor Technical Performance | ||||||||
| Type | Length/m | Throughput (t/h) | Rotating speed/(r/min) | Reducer | Motor | Weight/kg | ||
| Type | Speed ratio | Type | Power/kW | |||||
| GX200 | 10 | 9 | 60 | YZQ250 | 23.34 | Y90S-4 | 1.1 | 726 |
| GX200 | 20 | 9 | 60 | YZQ250 | 23.34 | Y90L-4 | 1.5 | 1258 |
| GX250 | 10 | 15.6 | 60 | YZQ250 | 23.34 | Y100L1-4 | 2.2 | 960 |
| GX250 | 20 | 15.6 | 60 | YZQ250 | 23.34 | Y100L1-4 | 3 | 1750 |
| GX300 | 10 | 21.2 | 60 | YZQ350 | 23.34 | Y100L2-4 | 3 | 1373 |
| GX300 | 20 | 21.2 | 60 | YZQ350 | 23.34 | Y112M-4 | 4 | 2346 |
| GX400 | 10 | 51 | 60 | YZQ400 | 23.34 | Y132S-4 | 5.5 | 1911 |
| GX400 | 20 | 51 | 60 | YZQ500 | 23.34 | Y160M-4 | 11 | 2049 |
| GX500 | 10 | 87.5 | 60 | YZQ400 | 23.34 | Y132M | 7.5 | 2381 |
| GX500 | 20 | 87.5 | 60 | YZQ650 | 23.34 | Y180M-4 | 18.5 | 5389 |
| GX600 | 10 | 134.2 | 45 | YZQ750 | 23.34 | Y180L-4 | 22 | 3880 |
| GX600 | 10 | 134.2 | 45 | YZQ850 | 23.34 | Y250M-4 | 55 | 7090 |
Selection Conditions
| ♦Material to be processed: _____ | ♦Working environment is indoor or outdoor:________ |
| ♦Handling capacity (Ps. It means the total | ♦Working environment temperature: _______ ºC |
| material capacity feeding from the inlet): _____t/h | ♦Upstream equipment (Ps. It means what kind of |
| ♦Bulk Density: _____t/m3 | equipment is used to feed the material): _____ |
| ♦Conveying distance(distance between | ♦Downstream equipment (Ps. It means what kind of |
| inlet and outlet):__________m | equipment is used to discharge the material): _____ |
| ♦Material size:____mm | ♦Installation form is horizontal or inclined : ________; |
| ♦Material temperature: _______ ºC | If it is inclined,what is the inclined degree_____° , |
| ♦Water content:____% | and whether a supporting frame is needed:_______ |
| ♦Material is corrosive or not: ____ (Ps. Yes or No) | ♦Working power supply: _____V ______HZ |
We mainly provide the following equipments :
| Vibrating Screen | Rotary vibrating screen |
| Ultrasonic vibrating screen | |
| Gyratory screen | |
| Trommel screen | |
| Linear vibrating screen | |
| Circular vibrating screen | |
| Dewatering screen | |
| Vibrating feeder | |
| Belt Conveyor | Belt conveyor |
| Sidewall belt conveyor | |
| Portable belt conveyor | |
| Shuttle conveyor | |
| Tripper | |
| Bucket Elevator | Efficient bucket elevator |
| Belt bucket elevator | |
| Ring chain bucket elevator | |
| Plate chain bucket elevator | |
| Cement bucket elevator | |
| Silo bucket elevator | |
| Screw Conveyor | U-type screw conveyor |
| Cement screw conveyor | |
| Pipe screw conveyor | |
| Scraper Conveyor | Horizontal scraper chain conveyor |
| Incline scraper chain conveyor | |
| Grain scraper chain conveyor |
Get a price at once!
| Type: | Screw Conveyor |
|---|---|
| Structure: | Inclining Conveyor |
| Material: | Carbon Steel |
| Material Feature: | Fire Resistant |
| Certification: | ISO9001:2008, ISO9001:2000, CE |
| Energy Saving: | Energy Saving |
| Samples: |
US$ 894/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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 2023-10-26
China OEM The Screw Conveyor Accessories Shaft Bearing with Best Sales
Product Description
ZheJiang Yuanben Intelligent Technology Co., Ltd. (hereinafter referred to as Yuanben) is a specialized manufacturer that focuses on designing and manufacturing intelligent vibrating screening equipment. The company is committed to the processing, production, research& development and design of new intelligent vibrating screen. Yuanben is located in the national center city, HangZhou, it owns more than 20 technical engineers, and cooperates deeply all along with ZheJiang Xihu (West Lake) Dis.an Mining Machinery Co., Ltd. which has years of dedicated production experience, in addition, Yuanben has its own processing research and development base.
”Build industry with wisdom, create value with wisdom”, under the promotion of “Internet+” concept, Yuanben will deeply integrate ”intelligence + digitalization” to build an intelligent workshop and realize the intelligence of overall process. While strengthening its own equipment automation intelligence, driving the transformation and upgrading of screening industry, the industry intelligent development should be also jointly promoted.
Get a price at once!
The screw conveyor accessories shaft bearing
Introduction
Pipe screw conveyor is a mechanism that uses a rotating helical screw blade coiled around a shaft,it offers a variety of solutions for bulk materials conveying like granular and small bulk materials horizontally or aslope, meanwhile,pipe screw conveyor is very cost-effective and require minimal maintenance to operate. Pipe screw conveyor is widely used for transporting coal,ash,slag,cement,food waste, wood chips, aggregates, cereal grains, animal feed, boiler ash, meat and bone meal, municipal CHINAMFG waste, and many others.
Get a price at once!
Advantages and Features
1.Whole sealing structure, no pollution to the environment,no material leakage.
2.According to working conditions, screw conveyor can be designed to multiple inlets and outlets.
3.Flexible installation type, conveyor angle can be 0-30 degree to meet varies requirement.
4.Hanging bearing is provided to connect screw blades and bear the screw body weights.
5.Adopts the method of spot welding to weld spiral blade on the screw shaft.
6.Construction material with carbon steel, stainless steel and abrasion-resistant alloys are optional.
7.Can be disassemble into several sections, save space during transportation.
8.Reducer motor brand can be domestic or imported: Tailong, SEW, CHINAMFG etc.
Get a price at once!
Technical Parameter:
| GX Screw Conveyor Technical Performance | ||||||||
| Type | Length/m | Throughput (t/h) | Rotating speed/(r/min) | Reducer | Motor | Weight/kg | ||
| Type | Speed ratio | Type | Power/kW | |||||
| GX200 | 10 | 9 | 60 | YZQ250 | 23.34 | Y90S-4 | 1.1 | 726 |
| GX200 | 20 | 9 | 60 | YZQ250 | 23.34 | Y90L-4 | 1.5 | 1258 |
| GX250 | 10 | 15.6 | 60 | YZQ250 | 23.34 | Y100L1-4 | 2.2 | 960 |
| GX250 | 20 | 15.6 | 60 | YZQ250 | 23.34 | Y100L1-4 | 3 | 1750 |
| GX300 | 10 | 21.2 | 60 | YZQ350 | 23.34 | Y100L2-4 | 3 | 1373 |
| GX300 | 20 | 21.2 | 60 | YZQ350 | 23.34 | Y112M-4 | 4 | 2346 |
| GX400 | 10 | 51 | 60 | YZQ400 | 23.34 | Y132S-4 | 5.5 | 1911 |
| GX400 | 20 | 51 | 60 | YZQ500 | 23.34 | Y160M-4 | 11 | 2049 |
| GX500 | 10 | 87.5 | 60 | YZQ400 | 23.34 | Y132M | 7.5 | 2381 |
| GX500 | 20 | 87.5 | 60 | YZQ650 | 23.34 | Y180M-4 | 18.5 | 5389 |
| GX600 | 10 | 134.2 | 45 | YZQ750 | 23.34 | Y180L-4 | 22 | 3880 |
| GX600 | 10 | 134.2 | 45 | YZQ850 | 23.34 | Y250M-4 | 55 | 7090 |
Selection Conditions
| ♦Material to be processed: _____ | ♦Working environment is indoor or outdoor:________ |
| ♦Handling capacity (Ps. It means the total | ♦Working environment temperature: _______ ºC |
| material capacity feeding from the inlet): _____t/h | ♦Upstream equipment (Ps. It means what kind of |
| ♦Bulk Density: _____t/m3 | equipment is used to feed the material): _____ |
| ♦Conveying distance(distance between | ♦Downstream equipment (Ps. It means what kind of |
| inlet and outlet):__________m | equipment is used to discharge the material): _____ |
| ♦Material size:____mm | ♦Installation form is horizontal or inclined : ________; |
| ♦Material temperature: _______ ºC | If it is inclined,what is the inclined degree_____° , |
| ♦Water content:____% | and whether a supporting frame is needed:_______ |
| ♦Material is corrosive or not: ____ (Ps. Yes or No) | ♦Working power supply: _____V ______HZ |
We mainly provide the following equipments :
| Vibrating Screen | Rotary vibrating screen |
| Ultrasonic vibrating screen | |
| Gyratory screen | |
| Trommel screen | |
| Linear vibrating screen | |
| Circular vibrating screen | |
| Dewatering screen | |
| Vibrating feeder | |
| Belt Conveyor | Belt conveyor |
| Sidewall belt conveyor | |
| Portable belt conveyor | |
| Shuttle conveyor | |
| Tripper | |
| Bucket Elevator | Efficient bucket elevator |
| Belt bucket elevator | |
| Ring chain bucket elevator | |
| Plate chain bucket elevator | |
| Cement bucket elevator | |
| Silo bucket elevator | |
| Screw Conveyor | U-type screw conveyor |
| Cement screw conveyor | |
| Pipe screw conveyor | |
| Scraper Conveyor | Horizontal scraper chain conveyor |
| Incline scraper chain conveyor | |
| Grain scraper chain conveyor |
Get a price at once!
| Type: | Screw Conveyor |
|---|---|
| Structure: | Inclining Conveyor |
| Material: | Carbon Steel |
| Material Feature: | Fire Resistant |
| Certification: | ISO9001:2008, ISO9001:2000, CE |
| Energy Saving: | Energy Saving |
| Samples: |
US$ 894/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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 2023-10-25