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China high quality Belt Conveyor Drum Pulley Roller Cage Pulley for Mining with Hot selling

Product Description

Product Description

The drum directly was made by large seamless steel:

We precisely cut the tube by using the flame cutting machine, and weld the inner pulley disc by using the professional pulley welding machine, and weld the pulley sleeve and disc by using the positioner. We use the large drum lathe process the outside circle, so that it ensures the pulley has the uniform thickness and small pulsation. We choose 45# round steel and sleeve and process the whole shaft so that it ensures shaft concentricity and reduction for the eccentric shaft force. It make sure the pulley move more stable, high quality bearing which is hot charging and bearing block are equipped inner bearing enlargement device, so the bearing can be easily pushed to the bearing position and it avoids the bearing damage from the beating. We need make the eliminating inner stress treatments when the pulley’s withstand forces exceed 80KN and we will make the static balance inspection when the belt speed exceeds 2.5m/s.

Producing different standards pulley: production scope diameter: 114mm-2400mm, length: 260mm-3400mm

We can produce different type, different quality, different standard pulley according to the customers requests.

Detailed Photos

Description Fabrication Services flat belt idler pulley for belt conveyor
Application Used in electric power, metallurgy,mine,coal, cement,steel,chemical, port, hydroelectric power and grain industries
Pipe/Tube/Shell 1)Material:Q235 Steel
2)Diameter:219mm-3000mm
3)Length:500mm-5000mm,depends on the belt width of the conveyor
Shaft/Axis Material:#45 Steel
Bearing Big roving crack, deep groove ball with double sealing
Welding Pipe and bearing housing with automatic welding
Surface Smooth steel color surface,  rubber lagging surface
Color Red,green,blue or as require
Service life More than 30,000 hours
Standard GB,ISO,DIN,CEMA,JIS

Packaging & Shipping

 

Company Profile

HangZhou CHINAMFG Conveying Machinery Co, Limited was found in May, 2005. It registered capital is 11.68 million CNY. It is a private enterprise of stock holding system. It is located in economic and technological development zone of Xihu (West Lake) Dis. town. We can produce CHINAMFG Brand TD75, DT II, DT IIA fixed belt conveyor, mobile lifting belt conveyor, enviromental protection belt conveyor, sluge belt conveyor, mine belt conveyor, farming belt conveyor, farming belt conveyor, workshop line, large dip angle belt conveyor, roller conveyor, roller and pulley. We have special belt conveyor designer team. We have been granted industrial production licenses, Quality certification, trademark with reputation. It is improved CHINAMFG brand. We supply our products to home and abroad machinery factories. Also supply best price to our dealers’ and trading company. And we have independent export authority. According to different requirements of domestic and foreign customers’ drawings, we can produce German DIN standard , Australian AS standard, Japanese JIS standard, American CEMA standard, South African SANS-SABS standard, Russian Gost standard, French AFNOR standard, etc. Products are exports to the Middle East, Africa, America, Australia, Europe, Southest Asia, Russia and other countries and regions.

There are large-scale lathe, CNC machine, double pressing machine, double welding machine, double boring machine, milling machine, professional equipments machines. We can produce 50 CHINAMFG belt conveyor, 20 pieces drum, 500 sets bracket, we can produce 2000 pieces roller per day and 700 thousand rollers per year. We choose SRB brand bearing and special tube , cold-drawing shaft and special housing and labyrinth seals. The professional inspectors use testing equipment to examine the roller of the effects for waterproof, preventing static electricity sideway, moving up and down, revolving resistance and falling test. The examine result is that the qualified rate of the rollers is over 98%. The noise of the rollers is very low and its running is very nimble. The life of the rollers is over 30000 hours, and the products are praised by our customers. Our roller are widely used in coal mine, mines, ports, steel plants, fertilizer plants, animal feed factory, cement big small and medium enterprises.

Our company pursues that credit is as aim and quality is the most important. We requests to live and develop with quality and credit. Strength the inner management and improve the quality of the products constantly. Offer the best products for customers from the beginning to the end. At the same time, provide the best service for customers.

Our Advantages

What kinds of Conveyor Pulleys we can manufacture:

Conveyor head pulley, Conveyor drive pulley, Conveyor bend pulley, Conveyor Tail Pulley
Conveyor tension pulley, Conveyor snub Pulley, Conveyor CHINAMFG Pulley, Conveyor take up Pulley and so on Our workshop

Advantage:
The life time: More than 30000 hours
Samples for testing are available.
The more relaxed payment terms

Detailed conveyor roller idler feature:
1. Roller idlers Dia 50mm-219mm, length 190-3400mm, which are used in the steel industry, harbor, coal industry, power industry, cement industry, etc
2. Tube: Q235
3. Shaft: 45# STEEL
5. Bearing: Single & Double Row Deep Groove Ball Bearing 2RZ&2Z with C3 clearance.

6. Seals: Grease retaining inner seal with Multi-stage Labyrinth and Retention Cap with Outboard Rubbing Flinger Seal.
7. Lubrication: Grease is Lithium soap type grease with Rust Inhibitors.
8. Welding: Mixed gas shielded arc welding end
9. Painting: Ordinary painting, hot galvanized painting, electric static spraying painting, baked painting
Besides we can manufacture the rollers and idlers according to the buyers’ requirements

 

Certifications

FAQ

1. who are we?
We are based in ZheJiang , China, start from 2005,sell to Mid East(64.00%),Eastern Asia(16.00%),South America(7.00%),Southeast Asia(7.00%),Africa(6.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Belt Conveyor,Conveyor Spare Parts,Conveyor Pulley,roller brackets,belts

4. why should you buy from us not from other suppliers?
We have a professional team with rich experience in conveyor industry at CHINAMFG Our team will provide first-class service to you.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,FCA,Express Delivery;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Russian

 

Material: Carbon Steel
Surface Treatment: Baking Paint
Motor Type: Frequency Control Motor
Installation: Turning
Keyword: Drum Conveyor Pulley
Warranty: 1 Year
Samples:
US$ 30/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

belt pulley

What is the importance of proper pulley alignment and tensioning in belt pulley systems?

Proper pulley alignment and tensioning are of utmost importance in belt pulley systems. They directly impact the efficiency, reliability, and longevity of the system. Here’s a detailed explanation of the importance of proper pulley alignment and tensioning:

1. Power Transmission Efficiency: Proper pulley alignment and tensioning ensure efficient power transmission in belt pulley systems. Misaligned pulleys or incorrect belt tension can lead to slippage, which results in power loss. When the belts slip on the pulleys, the intended power transfer from the driving pulley to the driven pulley is compromised. By aligning the pulleys correctly and maintaining proper tension, the belts grip the pulleys securely, allowing for efficient power transmission and maximizing the system’s overall efficiency.

2. Prevents Belt Wear and Damage: Improper pulley alignment and tensioning can cause excessive belt wear and damage. Misaligned pulleys can cause the belts to run at an angle, resulting in uneven wear on the belt’s edges. This can lead to premature belt failure and the need for frequent belt replacements. Insufficient or excessive belt tension can also cause accelerated wear, as it puts additional strain on the belts. Proper alignment and tensioning help distribute the load evenly across the belts, minimizing wear and extending their lifespan.

3. Reduces Noise and Vibration: Correct pulley alignment and tensioning contribute to reducing noise and vibration in belt pulley systems. Misaligned pulleys can cause the belts to vibrate and generate noise during operation. Excessive belt tension can lead to increased vibration as well. These vibrations and noise not only affect the comfort of operators but can also impact the overall stability and performance of the system. Proper alignment and tensioning help minimize vibration and noise levels, creating a smoother and quieter operation.

4. Improves System Reliability: Proper pulley alignment and tensioning enhance the reliability of belt pulley systems. Misalignment or improper tension can lead to unexpected belt failures, system downtime, and costly repairs. When the belts slip or wear unevenly, it can cause disruptions in power transmission, resulting in reduced system performance or complete failure. Proper alignment and tensioning minimize the risk of belt-related issues, ensuring the system operates reliably and consistently.

5. Enhances Component Life: Correct pulley alignment and tensioning contribute to the longevity of system components. When the belts run smoothly and grip the pulleys properly, it reduces stress on the pulleys, bearings, and other mechanical parts. Misalignment or excessive tension can cause unnecessary strain on these components, leading to premature wear and failure. Proper alignment and tensioning help distribute the load evenly, minimizing stress and extending the life of system components.

6. Facilitates Easy Maintenance: Proper pulley alignment and tensioning make maintenance tasks easier. When pulleys are aligned correctly, it simplifies belt replacement, adjustment, or inspection procedures. Easy access to the belts and pulleys allows for efficient maintenance and reduces downtime during servicing. Additionally, proper tensioning ensures that belts can be adjusted or replaced without difficulty, improving overall serviceability of the system.

7. Optimizes System Performance: Ultimately, proper pulley alignment and tensioning optimize the performance of belt pulley systems. When the belts are aligned correctly and tensioned properly, the power transmission is efficient, wear is minimized, and vibrations are reduced. This results in reliable and consistent system operation, allowing the system to perform at its intended level of efficiency and productivity.

In summary, proper pulley alignment and tensioning are essential for efficient power transmission, prevention of belt wear and damage, reduction of noise and vibration, and improvement of system reliability. They enhance the lifespan of system components, facilitate maintenance tasks, and optimize the overall performance of belt pulley systems. By ensuring correct alignment and tension, operators can maximize the efficiency, reliability, and longevity of their belt pulley systems.

belt pulley

How does the size and design of a belt pulley impact its performance?

The size and design of a belt pulley have a significant impact on its performance in power transmission systems. The size refers to the dimensions of the pulley, such as its diameter and width, while the design encompasses factors like the groove profile, material selection, and overall construction. Here’s a detailed explanation of how the size and design of a belt pulley impact its performance:

1. Speed and Power Transmission: The size of a belt pulley directly affects the speed and power transmission capability of the system. A larger pulley diameter results in higher belt speeds and increased power transmission capacity. On the other hand, a smaller pulley diameter allows for slower speeds and reduced power transmission. The selection of an appropriate pulley size depends on the desired speed and torque requirements of the application.

2. Belt Tension and Grip: The size and design of a belt pulley influence the tension and grip between the belt and pulley. A larger pulley diameter increases the angle of wrap, which improves the belt’s grip on the pulley and enhances power transmission efficiency. Additionally, the width of the pulley affects the contact area with the belt, allowing for higher load-carrying capacity. Proper belt tension and grip are crucial for preventing belt slippage, maximizing power transfer, and ensuring reliable operation.

3. Speed Ratio: The size and design of the driving and driven pulleys determine the speed ratio between them. By selecting pulleys of different sizes or varying the number of grooves, the speed ratio can be adjusted. This is important in applications where specific speed requirements need to be met, such as in machinery that requires different operating speeds for various operations. The design of the pulleys, including the groove profile and pitch diameter, must be considered to achieve the desired speed ratio.

4. Belt Life and Wear: The size and design of a belt pulley can impact the life and wear characteristics of the belt. Improper pulley sizing or design can lead to excessive belt tension, uneven belt loading, or misalignment, resulting in premature wear and failure of the belt. A well-designed pulley with appropriate dimensions, smooth groove profiles, and proper alignment reduces belt stress and wear, prolonging the belt’s lifespan and reducing maintenance requirements.

5. Noise and Vibration: The size and design of a belt pulley can influence the noise and vibration levels in the power transmission system. Proper pulley size selection and design considerations, such as balancing the pulley, ensuring concentricity, and minimizing runout, help reduce vibration and noise generation. This improves overall system performance, operator comfort, and reduces the potential for component fatigue or damage.

6. Material Selection and Construction: The design of a belt pulley includes material selection and construction considerations. Different materials, such as steel, cast iron, aluminum, or composites, offer varying levels of strength, durability, and resistance to factors like corrosion or extreme temperatures. The design may also include features like hubs, keyways, or flanges, which enhance the pulley’s performance and facilitate proper installation and alignment in the system.

Overall, the size and design of a belt pulley play a crucial role in determining its performance in power transmission systems. Factors such as speed and power transmission capability, belt tension and grip, speed ratio, belt life and wear, noise and vibration levels, and material selection all depend on the proper sizing and design of the pulley. Attention to these factors ensures optimal performance, efficiency, and reliability in belt-driven applications.

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 high quality Belt Conveyor Drum Pulley Roller Cage Pulley for Mining   with Hot selling	China high quality Belt Conveyor Drum Pulley Roller Cage Pulley for Mining   with Hot selling
editor by CX