China Custom Rubber Conveyor Pulley for Conveyors in The Mining Industry/Port Industry with Good quality

Product Description


Product Description

The drum is the main component that transmits power. It is divided into 3 types according to their load-carrying capacity: light, medium and heavy.
Light: Bearing aperture 80-100mm, the shaft and hub are single-width plate welded cylinder structure connected by single key.
Medium: Bearing aperture 120-180mm, the shaft and hub are expansion sleeve connection
Heavy: Bearing aperture 200-220mm, the shaft and hub are expansion sleeve connection, and the drum body is cast-welded structure.

Conveyor pulley stays at 2 ends of belt machine. The pulley can be divided into 2 categories: Driving pulley and averting pulley, driving pulley is the main part for transmitting the power and there are 2 kinds of pulley sets: Smooth surface and rubber surface, and rubber surface can be classified into smooth rubber surface, herringbone rubber surface and CHINAMFG rubber surface to meet different technical requirements. Averting pulley can be classified into smooth rubber surface and smooth steel surface.

Detailed Photos

Technical Parameters

Driving Pulley (rubber surface)

Belt Width 

Standard Diameter of Pulley 

500 mm


650 mm

500mm,630 mm

800 mm

500mm,630mm,800mm,1000mm,1250mm,1400 mm

1000 mm

630mm,800mm,1000mm,1250mm,1400 mm

1200 mm

630mm,800mm,1000mm,1250mm,1400 mm

1400 mm

630mm,800mm,1000mm,1250mm,1400 mm

1600 mm

630mm,800mm,1000mm,1250mm,1400 mm

1800 mm

630mm,800mm,1000mm,1250mm,1400 mm

2000 mm

800mm,1000mm,1250mm,1400 mm

2200 mm

1000mm,1250mm,1400 mm

2400 mm

1000mm,1250mm,1400 mm

Bend Pulley (smooth surface & rubber surface)

Belt Width 

Standard Diameter of Pulley (mm)

500 mm


650 mm


800 mm


1000 mm


1200 mm


1400 mm


1600 mm


1800 mm


2000 mm


2200 mm


2400 mm


 Pulley Standard










Coal mining industry, cement, steel, harbour etc.  

Place of Origin 

HangZhou City , ZheJiang  Province , China

Material Feature

Water, Wear, Dust resistance 

Supply capacity 


Management system 

ISO 9001:2008,ISO 14001:2004,GB/T 28001-2001

Project Performance

Main Equipment & Facilitys
Customer Visit & Exhibition


Packaging & Shipping

Company Profile

HangZhou Port Shipbuilding & Machinery Industry Co., Ltd (RPIC) are a comprehensive group enterprise which is engaged in the design, manufacture, installation and maintenance of port bulk-handling equipment. Our company has the Third-level Qualification of Machinery & Electrical Equipment Installation Enterprise and First-Level Qualification of Equipment Maintenance Enterprise. Our company has already passed ISO9002: 2000, ISO14001 and OHSMS18001 system certification.

The business of our company covers the design, manufacture, installation and maintenance of steel structure projects, belt conveyor system projects, port auxiliary equipment, port handling equipment and their accessories. The main products of our company include traveling stackers, running mechanisms of portal cranes, belt conveyors, idler rollers, pulleys, grabs etc.

The products and services of HangZhou Port Machine Engineering Co., Ltd. Spread all over domestic and overseas port industry, electric power industry, metallurgy industry, energy industry, cement industry, food industry, paper industry, etc.
With professional technical teams, exquisite processing equipment, modern management systems and convenient transportation, our company adheres to the business philosophy of “integrity and innovation, working hard to manufacture high quality products and constructe excellent projects, providing customers with value-added services”.

The quality control is carried out throughout the whole production process. We pursue perfection in the design and production of each product. With advanced processing equipment, we are committed to providing superior quality products and services.

RPIC is a leading professional bulk material conveying system equipment supplier. The capacity of conveying equipment can reach 10, 000t/h.

RPIC is a professional equipment installation and maintenance service provider which has the First-level Qualification of the Equipment Maintenance Enterprise.

Our products are well sold to Europe, Australia, America, Asia and African.

We welcome all companies to contact us for business negotiation.

Our EPC Conveying System Project

our certification


Q1:Can you send samples? A:Of course, we can provide customers with free samples but customer should pay the courier fee.
Q2:What product information do I need to provide? A:Please kindly provide the grade, width, thickness, surface treatment requirement  and quantities you need to purchase
Q3:What is your terms of payment ? A: 30% T/T in advance ,balance before shipment or 100% LC at sight.
Q4.Do you provide customer made Products service? A: Yes,if you have your own design , we can produce according to your specification and drawing.
Q5:How long does your delivery time take? A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
Q6: How many countries you already exported to? A:We have exported to America, Canada, Brazil, Chile, Colombia, Thailand, Myanmar, Vietnam,  and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble
Q7:Can I go to your factory to visit? A:Of course, we welcome customers from all over the world to visit our factory
Q8:Does the product have quality inspection before loading? A:Of course, all our products are strictly tested for quality before packaging,  customers can appoint third parties to inspect the products before loading too
Q9:How to pack the products? A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion and various climate changes during CHINAMFG transportation
Q10:What is your working time? A:In general, our online service time is ZheJiang time: 8:00-22:00, after 22:00, we will reply to your inquiry in the coming working day.

Material: Steel
Application: Chemical Industry, Grain Transportation, Mining Transport, Power Plant
Structure: Spring Plate Type Roller


Customized Request

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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

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

spring pulley

Can spring pulleys be part of agricultural machinery and equipment?

Yes, spring pulleys can be part of agricultural machinery and equipment, playing important roles in various agricultural applications. Here’s how spring pulleys can be utilized in the agricultural industry:

  1. Power Transmission: Agricultural machinery often requires the transmission of power from engines or motors to different components, such as pumps, conveyors, augers, and cutting mechanisms. Spring pulleys, along with belts or chains, can be used to efficiently transfer rotational power and torque, enabling the machinery to perform various tasks.
  2. Speed Control: Spring pulleys allow for speed control in agricultural machinery. The use of adjustable belts or pulley systems enables operators to modify the speed of driven components, such as harvesting heads, grain augers, or conveyor belts. This flexibility in speed control helps optimize the machinery’s performance for different crops, terrain conditions, and operational requirements.
  3. Harvesting and Threshing: In harvesting and threshing equipment, spring pulleys can be employed to drive cutting mechanisms, headers, or reel systems. They contribute to the efficient operation of equipment like combine harvesters, ensuring proper power transfer to the rotating blades or drums that harvest or thresh crops like grains, corn, or soybeans.
  4. Irrigation and Water Pumps: Agricultural irrigation systems often utilize water pumps driven by spring pulleys to transport water from a water source to fields or irrigation networks. The pulleys help transfer power from engines or electric motors to drive the pumps, enabling efficient water distribution for crop irrigation.
  5. Feed and Grain Handling: Spring pulleys can be used in feed and grain handling equipment, such as feed mixers, grain augers, and conveyors. They provide the necessary power transmission to move and transport animal feed, grains, or other agricultural products within the equipment, facilitating efficient feeding and handling processes.
  6. Livestock Equipment: In livestock farming, spring pulleys can be incorporated into equipment like milking machines, feeders, or ventilation systems. They contribute to the smooth operation of these systems, enabling power transmission to components such as vacuum pumps, feed dispensers, or fans, ensuring proper functioning and performance.

Overall, spring pulleys have diverse applications in agricultural machinery and equipment. They facilitate power transmission, speed control, and efficient operation in various agricultural processes, including harvesting, irrigation, feed handling, and livestock farming. The utilization of spring pulleys enhances the performance, productivity, and reliability of agricultural machinery, contributing to the advancement of modern farming practices.

spring pulley

How does the spring tension in a pulley affect its performance?

The spring tension in a pulley plays a significant role in determining its performance characteristics and functionality. The tension in the spring affects various aspects of the pulley’s operation and can have a direct impact on its efficiency, reliability, and effectiveness. Let’s explore how the spring tension in a pulley affects its performance:

1. Belt Tension: The spring tension in a pulley is primarily responsible for maintaining the appropriate tension in the belt or cable running on the pulley. Proper belt tension is essential for efficient power transmission and preventing belt slippage. The spring tension in the pulley ensures that the belt remains adequately tensioned, optimizing power transfer and preventing premature wear or damage to the belt and associated components.

2. Load Capacity: The spring tension in a pulley determines its load capacity. Higher spring tension allows the pulley to handle greater loads without compromising its performance. The spring tension provides the necessary resistance against the force applied by the belt or cable, enabling the pulley to support heavier loads without excessive deflection or deformation. Adequate spring tension ensures that the pulley can withstand the required loads and function reliably under various operating conditions.

3. Friction and Slip: The spring tension in a pulley affects the friction and slip characteristics during operation. Insufficient spring tension may result in inadequate friction between the belt and the pulley, leading to slip. On the other hand, excessive spring tension can increase friction beyond optimal levels, causing unnecessary wear on the belt and generating excessive heat. The spring tension should be carefully adjusted to achieve the right balance of grip and minimal slip, ensuring efficient power transmission and reducing unnecessary wear and energy loss.

4. Pivoting and Oscillation: Some pulleys, such as tensioners or idler pulleys, are designed to pivot or oscillate to maintain belt tension and alignment. The spring tension in these pulleys determines the amount of force required to initiate and control the pivoting or oscillating motion. The appropriate spring tension allows the pulley to respond to belt movements and fluctuations, maintaining optimal belt tension and alignment throughout the operation. It helps absorb vibrations and ensures smooth and stable belt operation.

5. Belt Lifespan: The spring tension in a pulley can significantly impact the lifespan of the belt or cable. Insufficient tension may result in belt slippage, increased wear, and premature failure. Excessive tension can strain the belt, causing accelerated wear, increased stress on the pulley bearings, and reduced overall durability. By maintaining the proper spring tension, the pulley helps extend the lifespan of the belt or cable, minimizing the need for frequent replacements and reducing maintenance costs.

6. Noise and Vibration: The spring tension in a pulley can influence the level of noise and vibration generated during operation. Improper tension can lead to belt flutter, excessive vibrations, and noise. The correct spring tension helps dampen vibrations, reducing noise and creating a smoother and quieter operation. It contributes to a more comfortable and stable user experience and ensures that the pulley operates within acceptable noise and vibration levels.

7. Adjustability and Functionality: Spring tension provides adjustability and flexibility in pulley systems. By modifying the spring tension, the tension in the belt or cable can be adjusted to accommodate different loads, operating conditions, or specific application requirements. This adjustability enhances the functionality of the pulley system, allowing for customization and optimization of performance based on the specific needs of the application.

8. Response Time and Control: The spring tension in certain pulleys, such as those used in automatic tensioners or decoupler systems, affects the response time and control of the pulley mechanism. The spring tension determines how quickly the pulley engages or disengages, responds to changes in load or operating conditions, and maintains optimal belt tension. A well-calibrated spring tension ensures smooth and rapid response, enhancing the overall performance and functionality of the pulley system.

In summary, the spring tension in a pulley has a significant impact on its performance characteristics, including belt tension, load capacity, friction, slip, pivoting, oscillation, belt lifespan, noise and vibration levels, adjustability, response time, and control. Proper spring tension is essential for achieving optimal performance, efficiency, and reliability in pulley systems, ensuring efficient power transmission, minimizing wear, and maximizing the lifespan of belts and associated components.

spring pulley

What are the advantages of using spring pulleys in various systems?

Spring pulleys offer several advantages when incorporated into various mechanical systems. Their unique design and functionality provide numerous benefits that contribute to the efficiency, reliability, and performance of these systems. Let’s explore the advantages of using spring pulleys:

1. Tension Control: Spring pulleys assist in maintaining proper belt or cable tension. The built-in spring mechanism automatically adjusts the tension based on load variations, stretching, or other factors, ensuring consistent tension levels. This helps prevent issues like slippage, excessive tension, or insufficient power transmission, resulting in improved system performance.

2. Load Adaptability: Spring pulleys can accommodate load variations in mechanical systems. As the load on the belt or cable changes, the spring in the pulley expands or contracts, adjusting the tension accordingly. This adaptability allows the system to operate efficiently under varying load conditions, ensuring optimal performance and preventing belt or cable damage.

3. Shock and Vibration Absorption: Spring pulleys help dampen shocks and vibrations in mechanical systems. The spring mechanism absorbs and dissipates vibrations, preventing them from being transmitted through the belt or cable. This reduces noise, minimizes wear and tear, and enhances the overall smoothness and stability of the system.

4. Belt/Cable Longevity: By maintaining proper tension and absorbing stretching or shocks, spring pulleys contribute to the extended lifespan of belts or cables. They help prevent premature wear, reduce the risk of belt or cable damage, and minimize the need for frequent replacements. This results in cost savings and improved reliability of the system.

5. Flexibility: Spring pulleys offer flexibility in adjusting and fine-tuning the tension according to specific requirements. Many spring pulleys feature tension adjustment mechanisms, allowing users to optimize the tension for the application. This adjustability enhances versatility and ensures optimal performance in different operating conditions.

6. Simplified Maintenance: Spring pulleys require minimal maintenance. The automatic tension adjustment and shock absorption capabilities reduce the need for frequent manual adjustments or interventions. This simplifies maintenance tasks, saves time, and minimizes system downtime.

7. Versatility: Spring pulleys are compatible with various types of belts and cables, making them suitable for a wide range of applications. Whether it’s V-belts, timing belts, flat belts, cables, or wire ropes, spring pulleys can be utilized effectively in diverse systems across different industries.

8. Enhanced System Efficiency: By maintaining proper tension, minimizing slippage, and optimizing power transmission, spring pulleys contribute to overall system efficiency. They ensure that the right amount of power is transmitted to the driven components, maximizing energy utilization and minimizing losses.

9. Improved Safety: Properly tensioned belts or cables supported by spring pulleys enhance system safety. They reduce the risk of sudden belt or cable failure, minimize the potential for accidents caused by slippage or loss of control, and provide reliable performance in critical applications.

10. Application Specific Solutions: Spring pulleys can be designed and customized to meet specific application requirements. Manufacturers offer a variety of sizes, configurations, and materials to suit different systems, ensuring optimal performance and compatibility with the intended application.

Overall, the advantages of using spring pulleys in various systems include tension control, load adaptability, shock absorption, increased belt/cable longevity, flexibility, simplified maintenance, versatility, enhanced system efficiency, improved safety, and application-specific solutions. These advantages make spring pulleys valuable components that contribute to the performance, reliability, and longevity of mechanical systems in numerous industries.

China Custom Rubber Conveyor Pulley for Conveyors in The Mining Industry/Port Industry   with Good quality China Custom Rubber Conveyor Pulley for Conveyors in The Mining Industry/Port Industry   with Good quality
editor by CX