China Standard Gravity Roller Conveyor Transmission Bearing Metal Stamping Pulley crankshaft pulley

Product Description

Product Description

1.       Item No.: as shown in the picture.
2.       Material: steel/zinc/aluminum/plastic bracket + ball bearing / needle bearing wheel
3.       For some models, the height of the roller is adjustable.
4.       Color of the wheel: red, green, white, orange, etc.
5.       Application: sliding door and window, binds, rolling shutters, furniture, conveyor belt, etc.
6.       Normal packing: poly bag + outer carton

Detailed Photos

 

 

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About us

Our factory is specialized in manufacturing non-standard bearing, plastic and metal pulley, bracket pulley, roller, door and window fittings, etc. Relying on a series of advanced processing equipments, skilled workers, strict inspection system, and organized management, we are able to provide good-quality products with competitive price.

Why choose us

1.  Professional experience: almost 20 years’ expenience in non-standard bearings, rollers, pulleys, and other plastic accessories for door and window.
2.  Popular over the world: over 20 market countries.
3.  Advantage: good quality with competitive price.
4.  OEM offered: technical drawings, samples or photos are needed.

 

 

FAQ

 

Q: How to get a quotation and start business relationship with your company?
 A: Please send us email and our sales representive will contact you as soon as we receive your email.
Q: How to receive a quotaion in the shortest time?
 A: When you send us an enquiry, please try to provide more details, such as product size, photo or drawing, order quantity, etc. 
Q: How to start an OEM project with your company?
 A: Please send us your designed drawings or original samples so that we can offer a quotation first. If all details are confirmed, we will arrange sample production once received your deposit .
Q: What’s your MOQ?
A: The MOQ depends on the design and production processes of the products. Nomally our company MOQ is 10000pc , but it can be much more or less depending on different product types. Therefore, we recommend you to tell us your required quantity first.
Q:How long can I receive an order?
A: That depends on the specific items and your order quantity. The lead time varies from 30 to 90 days.

For more information, please visit  http://nbminli /

 

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Material: Steel
Application: Chemical Industry, Grain Transportation, Mining Transport
Structure: Variable Groove Angle Roller
Samples:
US$ 0.05/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

variable pulley

How do variable pulleys enhance the efficiency and precision of machinery and equipment?

Variable pulleys, also known as variable speed pulleys or V-belt pulleys, play a significant role in enhancing the efficiency and precision of machinery and equipment. They provide several benefits that contribute to improved performance and versatility. Here are some ways in which variable pulleys enhance efficiency and precision:

  1. Speed control: One of the primary advantages of variable pulleys is their ability to control the speed of machinery and equipment. By adjusting the position of the pulley’s movable flanges, the effective diameter of the pulley changes, altering the speed ratio between the input and output shafts. This flexibility allows operators to match the speed of the machinery to the specific requirements of the task at hand, optimizing efficiency and precision.
  2. Power transmission: Variable pulleys efficiently transmit power from the input shaft to the output shaft through the use of V-belts. V-belts provide a reliable and flexible method of transferring rotational force, allowing for smooth power transmission without slippage. This efficient power transmission minimizes energy losses and ensures that the machinery operates at its optimum power efficiency.
  3. Load adaptation: Variable pulleys enable machinery and equipment to adapt to different load conditions. By adjusting the pulley’s effective diameter, operators can vary the torque and speed output of the system to match the requirements of the load. This adaptability is particularly useful in applications where the load may vary or where precise control over speed and torque is necessary for achieving desired results.
  4. Responsive adjustments: Variable pulleys offer quick and responsive adjustments to changes in load or operating conditions. Operators can easily modify the pulley’s position or setting to accommodate variations in workload or to maintain precise speed control. This responsiveness allows for efficient operation and reduces the need for frequent manual adjustments or the use of additional mechanical components.
  5. Versatility: The use of variable pulleys enhances the versatility of machinery and equipment. By varying the speed and torque output, different types of tasks and operations can be performed using the same equipment. This versatility eliminates the need for specialized machinery for each specific application, leading to cost savings and increased operational flexibility.
  6. Noise and vibration reduction: Variable pulleys can contribute to the reduction of noise and vibration in machinery. By adjusting the speed and torque output to match the load requirements, excessive strain and stress on the system can be minimized. This reduction in strain helps to decrease noise levels and vibrations, leading to a quieter and more comfortable working environment.

variable pulley

What maintenance procedures are necessary to ensure the reliability of variable pulleys?

To ensure the reliability and longevity of variable pulleys, regular maintenance procedures should be followed. These maintenance procedures help prevent premature wear, ensure optimal performance, and extend the lifespan of the pulleys. Here are some essential maintenance procedures for variable pulleys:

1. Cleaning and Inspection:

Regular cleaning of variable pulleys is crucial to remove dirt, dust, and debris that can accumulate on the pulley surfaces. The pulleys should be inspected for any signs of wear, damage, or misalignment. If any issues are detected, appropriate actions, such as repairs or replacement, should be taken to prevent further damage.

2. Lubrication:

Proper lubrication is essential for smooth operation and reduced friction in variable pulleys. Lubricants should be applied to the pulley bearings, shafts, and other moving parts as recommended by the manufacturer. This helps minimize wear and ensures efficient power transmission.

3. Belt Tension Adjustment:

The tension of the belts or chains used with variable pulleys should be regularly checked and adjusted if necessary. Proper belt tension ensures optimal grip and power transmission efficiency. If the belts are too loose or too tight, it can lead to slippage, reduced performance, and increased wear on the pulleys and belts.

4. Alignment:

Variable pulleys should be properly aligned with the input and output shafts of the machinery. Misalignment can cause uneven belt wear, increased vibration, and reduced power transmission efficiency. Regular inspection and adjustment of the pulley alignment can prevent these issues and ensure smooth operation.

5. Belt or Chain Replacement:

Over time, belts or chains used with variable pulleys may wear out and require replacement. It is important to monitor the condition of the belts or chains and replace them when signs of wear, cracking, or stretching are observed. This helps maintain optimal power transmission and prevents unexpected failures.

6. Regular Performance Testing:

Periodic performance testing of variable pulleys is recommended to ensure they are operating as intended. This can involve measuring speed ratios, torque transmission, and overall efficiency. Performance testing helps identify any deviations from the desired specifications and allows for timely corrective actions.

7. Following Manufacturer’s Guidelines:

It is crucial to follow the maintenance guidelines provided by the pulley manufacturer. These guidelines may include specific maintenance intervals, recommended lubricants, inspection procedures, and other important instructions. Adhering to the manufacturer’s guidelines ensures that the pulleys are maintained correctly and in accordance with their design specifications.

By following these maintenance procedures, variable pulleys can remain reliable and perform optimally throughout their lifespan. Regular cleaning, inspection, lubrication, belt tension adjustment, alignment checks, belt or chain replacement when necessary, regular performance testing, and adherence to manufacturer’s guidelines contribute to the overall reliability and longevity of variable pulleys.

variable pulley

What types of belts are typically employed with variable pulleys?

Variable pulleys, also known as variable speed pulleys or variable drive pulleys, are compatible with various types of belts. The choice of belt depends on factors such as the specific application, power transmission requirements, and environmental conditions. Here are some types of belts commonly employed with variable pulleys:

1. V-Belts:

V-belts are one of the most common types of belts used with variable pulleys. They have a trapezoidal cross-section and are designed to fit into V-shaped grooves on the pulley halves. V-belts are known for their high friction grip, which allows for efficient power transmission. They can handle moderate to high-speed ratios and are suitable for applications requiring reliable power transfer.

2. Flat Belts:

Flat belts have a rectangular cross-section and are widely used with variable pulleys. They offer flexibility and are capable of transmitting high power loads. Flat belts typically have fabric or rubber coatings on both sides to enhance grip and prevent slippage. They are commonly used in applications where a wide speed range and high torque transmission are required.

3. Timing Belts:

Timing belts, also known as synchronous belts, are toothed belts that mesh with corresponding teeth on the pulley halves. They provide precise power transmission and are often used in applications where accurate timing and synchronization are critical. Timing belts are commonly employed in automotive engines, robotics, and other precision machinery.

4. Poly-V Belts:

Poly-V belts, also called multi-rib belts, have multiple V-shaped ribs on the inner surface. They are designed to fit into corresponding grooves on the pulleys. Poly-V belts offer high power transmission capabilities and are suitable for applications that require compact designs and high-speed ratios. They are commonly used in automotive accessory drives, such as alternator and power steering systems.

5. Round Belts:

Round belts, as the name suggests, have a circular cross-section and are commonly made of rubber or urethane materials. They provide flexibility and are often used in applications that require minimal vibration and noise. Round belts are suitable for light to moderate power transmission and are commonly used in applications such as office equipment, textile machinery, and small appliances.

It’s important to note that the selection of the appropriate belt for a variable pulley should consider factors such as load requirements, speed range, temperature constraints, and environmental conditions. Consulting the manufacturer’s specifications and recommendations can help ensure the optimal belt choice for a given application.

China Standard Gravity Roller Conveyor Transmission Bearing Metal Stamping Pulley   crankshaft pulley	China Standard Gravity Roller Conveyor Transmission Bearing Metal Stamping Pulley   crankshaft pulley
editor by CX

2024-04-03

variable pulley

As one of leading variable pulley manufacturers, suppliers and exporters of products, We offer variable pulley and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of variable pulley

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