Product Description

Head Drive Pulley, Return Pulley,Bend Pulley, Snub Pulley,Tensioning Pulley, Take up Pulley can be provided. We are designing and manufacturing pulleys, using materials of the highest quality in a production process employing advanced technology. This together with the application of the Quality Assurance system certifi ed to ISO 9001:2015, contributes to the production of high quality products offering dependable, long life performance in the field and appreciably reducing maintenance cost. Each our conveyor pulley is individually computer designed to meet the client’s requirements.

Product Name

Belt Conveyor Pulley Drum

Type

Drive Pulley, Bend Pulley,Snub Pulley,Take Up Pulley

Length

200mm-2500mm

Materials

Carbon steel, Stainless steel, Rubber

Surface Treatment

Smooth, CHINAMFG grooved lagging, Herringbone lagging, Ceramic lagging

Welding

Submerged Arc Welding

Bearing

Famous brands

Structure

Tube,shaft,self-aligning bearing,bearing seat/house,hub, locking bushing,end disc

Drive Pulley Introduction:

1. Head/Drive Pulley is located at the discharge terminus of the conveyor. 
2. Drive pulley provides the driving force for the conveyor. In order to increase pulley life and traction, it often has a larger diameter than other pulleys.
3. We can supply pulleys with hot vulcanized rubber lagging, plain or grooved, as required by client. Different patterns of grooving such as herringbone or CHINAMFG can be provided to increase tractive friction under dirty or wet conditions. CHINAMFG grooves have the advantage of being installed in any orientation, regardless of belt direction.

Specification of Drive Head Pulley Drum

Belt Width 500-2800mm (19-110 inch)
Pulley Length 500-3500mm (19-138 inch)
Diameter 200-1800mm (8-70 inch)
Standard ISO9001:2008, CEMA, DIN, TUV, JIS, AS/NS, etc.
Working Life More than 30,000 hours.
Surface Flat Rubber Lagged, Ceramic Lagged, CHINAMFG Rubber Lagged, etc.
Main Material Carbon Steel
Length of conveyor drive pulley depends on the width of conveyor Belt. You can get drive pulleys with hot & cold vulcanized rubber lagging, plain or grooved, as required by client.

Bend Pulley Introduction:

1. The bend pulley  is used for changing the direction of the belt.
2. The bend pulley is usually installed at the tail part or the vertical take-up equipment part when the belt direction need to 180°bending. It will be installed above the take-up equipment part while 90°bending.
3. The pulley, which is used for extending the contact surface, is usually used for below or equal to 45 degree bending.
4. The surface treatment of the bend pulley can be smooth steel and flat rubber lagging. 

Specification of Bend Pulley:

Belt Width 500-2800mm(19-110 inch)
Pulley Length 500-3200mm(19-126 inch)
Diameter 200-1800mm(8-70 inch)
Standard ISO9001:2008, CEMA, DIN, TUV, etc.
Working Life More than 30,000 hours.
Surface Flat Rubber Lagged, Ceramic Lagged, CHINAMFG Rubber Lagged, etc.
Main Material Carbon Steel
Length of conveyor bend pulley depends on the width of conveyor Belt. You can get drive pulleys with hot vulcanized rubber lagging, plain or grooved, as required by client.

Snub Pulley
Snub pulley is used to achieve higher angle of wrap on the drive pulley thereby increasing the traction. It also reduces the belt tension maximizing the life of the conveyor component.It is mounted close to the drive pulley on the return side of the belt.

Specification of Snub Pulley:

Items Content
Belt Width 500-2800mm (19-110 inch)
Pulley Length 500-3200mm (19-126 inch)
Diameter 200-1800mm (8-70 inch)
Standard ISO9001:2008, CEMA, DIN, TUV, etc.
Working Life More than 30,000 hours.
Surface Flat Rubber Lagged, Ceramic Lagged, CHINAMFG Rubber Lagged, etc.
Main Material Carbon Steel
Length of conveyor Snubpulley depends on the width of conveyor Belt. You can get Snubpulleys with hot vulcanized rubber lagging, plain or grooved, as required by client.

Take Up Pulley 
The take up pulley will ensure adequate tension of the belt leaving the drive pulley so as to avoid any slippage of the belt, ensure proper belt tension at the loading and other points along the conveyor, compensate for changes in belt length due to elongation, and provide extra length of belt when necessary for splicing purpose.

Specification of take up pulley drum:

Belt Width 500-2800mm(19-110 inch)
Pulley Length 500-3200mm(19-126 inch)
Diameter 200-1800mm(8-70 inch)
Standard ISO9001:2008, CEMA, DIN, TUV, etc.
Working Life More than 30,000 hours.
Surface Flat Rubber Lagged, Ceramic Lagged, CHINAMFG Rubber Lagged, etc.
Main Material Carbon Steel

The components of a pulley drum include the following:

Drum or Shell The drum is the portion of the pulley in direct contact with the belt. The shell is fabricated from either a rolled sheet of steel or from hollow steel tubing.The shell has a specific ‘face’ width and diameter which is determined by the width of the belting and the type and rating of the belt to be used on the conveyor.
Diaphragm Plates The diaphragm or end plates of a pulley are circular discs which are fabricated from thick steel plate and which are welded into the shell at each end, to strengthen the drum.The end plates are bored in their centre to accommodate the pulley shaft and the hubs for the pulley locking elements.
Shaft The shaft is designed to accommodate all the applied forces from the belt and / or the drive unit, with minimum deflection.The shaft is located and locked to the hubs of the end discs by means of a locking elements.
The shaft is supported on both ends by bearings which are housed in plummer blocks, to support the shaft and pulley assembly on the conveyor structure.
Shafts often comprise different diameters along their length due to the bending moments and resultant deflection limitations. The diameter of the shaft at the landings for the bearings may be smaller to satisfy the necessary bearing diameter which is more cost-effective (smaller).
Similarly in the case of a drive shaft, the drive attachment, may be different to the other diameters along the shaft and hence pulley shafts are often stepped.
Locking Elements These are high-precision manufactured items which are fitted over the shaft and into the pulley hubs. The locking elements attach the pulley firmly to the shaft via the end plates.Locking elements work on the friction-grip principle whereby the element is able to be fastened to the shaft and hub simultaneously and concentrically, by tightening a series of screws around the locking element.
Hubs The hubs are fabricated and machined housings which are welded into the end plates. The hubs are sized according to the size of the pulley, the diameter of the shaft and the size of the locking element which is required for the specific duty.
Lagging It is sometimes necessary or desirable to improve the friction between the conveyor belt and the pulley in order to improve the torque that can be transmitted through a drive pulley.Improved traction over a pulley also assists with the training of the belt.
In such cases pulley drum surfaces are ‘lagged’ or covered in a rubberized material. This cover is usually 8 mm to 12 mm thick and can be plain or have a grooved pattern. The rubber lagging is vulcanized to the pulley shell to ensure that it remains attached under adverse operating conditions.
Bearing Assemblies Bearings support the rotating shaft and hence the pulley. The bearings are housed in ‘plummer blocks’ which enable the mass of the pulley assembly plus the belt tension forces to be transmitted to the pulley supporting structure.Plummer blocks are often bolted to ‘sole plates’ which are welded to the structure.
The sole plates incorporate jacking screws to enable the pulley to be correctly and relatively easily aligned.

Several types of bearing housing, seals and end disc:

Pulley Drum Warehouse and package:

Pulley Drums:

Our Products: Belt Conveyors, Pulley Drum, Conveyor Rollers Idler,  etc.

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Material: Stainless Steel
Surface Treatment: Polishing
Motor Type: Frequency Control Motor
Samples:
US$ 300/Piece
1 Piece(Min.Order)

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Customization:
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belt pulley

How do belt pulleys affect the performance of woodworking and milling machines?

Belt pulleys have a significant impact on the performance of woodworking and milling machines. They play a crucial role in power transmission, speed control, and overall functionality of these machines. Here’s a detailed explanation of how belt pulleys affect the performance of woodworking and milling machines:

1. Power Transmission: Belt pulleys are essential for power transmission in woodworking and milling machines. They connect the motor or engine to various components, such as the cutting tools, spindles, or feed mechanisms. The rotation of the pulleys transfers power from the motor to the driven components, enabling them to perform their cutting, shaping, or drilling functions. The efficiency and effectiveness of power transmission through the belt pulleys directly impact the overall performance of the machine.

2. Speed Control: Belt pulleys provide speed control in woodworking and milling machines. By using pulleys of different sizes or incorporating variable speed pulley systems, the rotational speed of the driven components can be adjusted. This allows operators to customize the speed based on the specific material being worked on and the desired cutting or milling results. Speed control provided by belt pulleys ensures precision, accuracy, and optimal performance in woodworking and milling operations.

3. Torque Conversion: Belt pulleys also play a crucial role in torque conversion. Torque refers to the rotational force produced by the motor or engine. In woodworking and milling machines, belt pulleys with different diameters can be used to convert the torque generated by the motor into the appropriate torque required by the cutting tools or spindles. This torque conversion ensures that the machine can handle different types of materials and cutting operations effectively, enhancing overall performance.

4. Belt Tension and Stability: Proper tension and stability of the belts running on the pulleys are essential for the performance of woodworking and milling machines. The tension in the belts needs to be adjusted to ensure optimal power transmission and prevent slipping or belt damage. Belt pulleys are designed to maintain the appropriate tension and stability of the belts, ensuring smooth and consistent operation of the machine. This contributes to the accuracy, reliability, and safety of woodworking and milling processes.

5. Tooling and Cutter Compatibility: Belt pulleys can affect the performance of woodworking and milling machines by influencing tooling and cutter compatibility. Different cutting tools and milling cutters require specific rotational speeds and power transmission capacities. The selection of appropriate pulleys and belt arrangements ensures compatibility between the machine’s power transmission system and the cutting tools or milling cutters being used. This compatibility is crucial for achieving desired cutting results, prolonging tool life, and maximizing machine performance.

6. Noise and Vibration: Belt pulleys can impact the noise and vibration levels of woodworking and milling machines. Proper alignment and balancing of the pulleys are essential to minimize vibration and noise generated during operation. Excessive noise and vibration can affect the precision of cuts or milling operations and lead to accelerated wear and tear of machine components. Well-designed and properly maintained belt pulleys contribute to reduced noise and vibration, enhancing the overall performance and operator comfort.

7. Maintenance and Serviceability: Belt pulleys in woodworking and milling machines are designed for easy maintenance and serviceability. They allow for straightforward belt replacement, adjustment, or pulley inspection, ensuring that the machine can be properly maintained and serviced. This contributes to the longevity, reliability, and uninterrupted operation of the woodworking and milling machines.

In summary, belt pulleys have a significant impact on the performance of woodworking and milling machines. They enable power transmission, speed control, torque conversion, and stability of belts. Belt pulleys affect tooling and cutter compatibility, noise and vibration levels, as well as the maintenance and serviceability of the machines. By selecting appropriate pulleys, maintaining proper belt tension, and ensuring pulley alignment, woodworking and milling machines can achieve optimal performance, accuracy, and efficiency in various cutting and shaping tasks.

belt pulley

Can belt pulleys be customized for specific machinery and equipment?

Yes, belt pulleys can be customized to meet the specific requirements of machinery and equipment in various applications. Customization allows for the adaptation of belt pulleys to specific dimensions, performance characteristics, and operational needs. Here’s a detailed explanation of how belt pulleys can be customized for specific machinery and equipment:

1. Dimensional Customization: Belt pulleys can be customized to match the dimensional requirements of the machinery and equipment they will be installed in. This includes customizing the diameter, width, and groove dimensions of the pulleys to ensure proper fit and alignment with the system. Customization ensures that the belt pulleys integrate seamlessly into the machinery, optimizing performance and reliability.

2. Material Selection: Depending on the specific requirements of the machinery and equipment, belt pulleys can be customized with different materials. The choice of materials can be based on factors such as load capacity, environmental conditions, chemical resistance, and operating temperature. Common materials used for customized belt pulleys include steel, aluminum, cast iron, and various composites. Custom material selection ensures that the pulleys can withstand the demands of the application.

3. Specialized Coatings and Finishes: In certain applications, customized belt pulleys may require specialized coatings or finishes to enhance their performance. For example, pulleys used in food processing or pharmaceutical industries may require coatings that comply with specific safety and hygiene standards. Customized coatings can also provide corrosion resistance or reduce friction, improving the overall efficiency and longevity of the pulleys.

4. Groove Profiles: Belt pulleys can be customized with specific groove profiles to match the type of belt being used. Different belts, such as V-belts, timing belts, or flat belts, have varying groove requirements. Customizing the groove profiles ensures optimal belt engagement, maximizing power transmission efficiency and preventing belt slippage.

5. Special Features: In some cases, customized belt pulleys may require additional features or modifications to meet specific operational needs. This can include the incorporation of keyways, set screws, flanges, or other attachments to ensure proper alignment and secure mounting. Customized pulleys can also be designed with specific hub configurations or balancing requirements to achieve smooth and balanced operation in the machinery and equipment.

6. Performance Optimization: Customized belt pulleys can be tailored to optimize performance in specific applications. This may involve adjusting the pulley design, such as modifying the number of grooves or altering the pitch diameter, to achieve the desired speed ratios or torque requirements. Performance optimization ensures that the customized pulleys contribute to the efficient and reliable operation of the machinery and equipment.

Overall, belt pulleys can be customized to match the dimensional requirements, material specifications, coating needs, groove profiles, special features, and performance optimization of specific machinery and equipment. Customization ensures that the pulleys seamlessly integrate into the system, providing efficient power transmission and meeting the unique operational needs of the application.

belt pulley

What is a belt pulley, and how is it used in mechanical systems?

A belt pulley is a mechanical device used in various systems to transmit power and motion between rotating shafts. It consists of a wheel with a grooved rim, known as the pulley, that is connected to a shaft. The pulley is typically made of materials such as cast iron, steel, or aluminum. It is used in conjunction with a belt or a rope to transfer rotational motion from one shaft to another. Here’s a detailed explanation:

A belt pulley is essential in mechanical systems for the following purposes:

  • Power Transmission: The primary function of a belt pulley is to transmit power between rotating shafts. It connects the driving shaft (input) to the driven shaft (output) through a belt or a rope. When the driving shaft rotates, the belt or rope engages with the grooves on the pulley, causing the pulley and the driven shaft to rotate. This allows power to be transferred from the driving shaft to the driven shaft, enabling the operation of various mechanical components or systems.
  • Speed Control: Belt pulleys are used to control the rotational speed of driven shafts. By varying the size or ratio of the pulleys connected by the belt, the rotational speed can be adjusted. Using different-sized pulleys, it is possible to increase or decrease the speed of the driven shaft compared to the driving shaft. This speed control capability is beneficial in applications where different rotational speeds are required for specific operations or to match the requirements of different components in a system.
  • Directional Change: Belt pulleys also enable the change of direction in mechanical systems. By arranging multiple pulleys with belts or ropes in a system, the rotational motion can be redirected. For example, a system with two pulleys connected by a belt can change the direction of the driven shaft compared to the driving shaft. This directional change allows for the transmission of power and motion in desired orientations, enabling the operation of mechanical components or systems in different directions.
  • Tension Control: Belt pulleys play a role in maintaining proper tension in belt-driven systems. The tension in the belt is important to ensure a secure and reliable connection between the pulleys. Pulleys with adjustable features, such as tensioning systems or idler pulleys, help maintain the optimal tension in the belt. Proper tension control prevents belt slippage, ensures efficient power transmission, and reduces wear on the belt and pulley surfaces.
  • Noise and Vibration Reduction: Belt pulleys contribute to noise and vibration reduction in mechanical systems. The design of the pulley, including the groove profile and surface finish, can help minimize noise and vibration generated during operation. Additionally, proper alignment and tensioning of the belt ensure smoother engagement with the pulley, reducing noise and vibration levels. This is particularly important in applications that require quiet operation or where excessive vibrations can affect system performance or operator comfort.
  • Compatibility and Interchangeability: Belt pulleys offer compatibility and interchangeability benefits in mechanical systems. They provide a flexible and modular approach to power transmission, allowing different pulleys to be easily interchanged or replaced based on specific requirements. This versatility enables system designers and operators to adapt and modify mechanical systems more efficiently, making it easier to accommodate changes in load, speed, or other operational parameters.

In summary, a belt pulley is a mechanical device used for power transmission and motion control in various mechanical systems. It connects rotating shafts through belts or ropes, allowing power to be transmitted from one shaft to another. Belt pulleys provide speed control, directional change, tension control, noise and vibration reduction, as well as compatibility and interchangeability benefits. By utilizing belt pulleys, mechanical systems can efficiently transfer power, control speeds, and enable the operation of different components or systems in desired directions.

China factory Steel Conveyor Belt Pulleys (OEM)   with Good quality China factory Steel Conveyor Belt Pulleys (OEM)   with Good quality
editor by CX

2024-01-11