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.
|Fabrication Services flat belt idler pulley for belt conveyor
|Used in electric power, metallurgy,mine,coal, cement,steel,chemical, port, hydroelectric power and grain industries
3)Length:500mm-5000mm,depends on the belt width of the conveyor
|Big roving crack, deep groove ball with double sealing
|Pipe and bearing housing with automatic welding
|Smooth steel color surface, rubber lagging surface
|Red,green,blue or as require
|More than 30,000 hours
Packaging & Shipping
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.
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
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
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;
|Frequency Control Motor
|Type of Shipping:
How do drive belt pulleys contribute to the functioning of agricultural equipment?
Drive belt pulleys play a crucial role in the functioning of agricultural equipment. Here’s a detailed explanation of how drive belt pulleys contribute to the operation of agricultural machinery:
1. Power Transmission:
Agricultural equipment, such as tractors, combines, and hay balers, often require the transfer of power from the engine to various components and attachments. Drive belt pulleys are used to transmit power from the engine’s crankshaft or power take-off (PTO) shaft to components like pumps, augers, conveyors, and cutting mechanisms. By connecting the engine to these components, the pulleys enable the transfer of rotational power, allowing the equipment to perform tasks such as harvesting, planting, and material handling.
2. Speed Control and Gear Reduction:
In agricultural machinery, it is essential to control the speed of various components or achieve gear reduction to match specific tasks and conditions. Drive belt pulleys, in combination with different pulley sizes or gear ratios, enable speed control and gear reduction. By adjusting the pulley sizes or using multiple pulleys, operators can modify the rotational speed of driven components, such as the cutting blades or conveyor belts, to optimize performance based on the requirements of the specific agricultural operation.
3. Belt-Driven Mechanisms:
Many agricultural machines utilize belt-driven mechanisms for functions like threshing, baling, or grain separation. Drive belt pulleys are integral components in these mechanisms, providing power transmission and tensioning for the belts. The pulleys ensure that the belts remain properly tensioned, enabling reliable power transfer and maintaining the desired operation of the belt-driven mechanisms in agricultural equipment.
4. Tensioning and Belt Adjustment:
Drive belt pulleys in agricultural equipment facilitate tensioning and adjustment of belts. Proper belt tension is critical for efficient power transmission and preventing slippage. Pulleys with adjustable positions or built-in tensioning mechanisms allow operators to easily adjust belt tension, ensuring optimal performance and preventing premature belt wear or damage. The ability to adjust belt tension is particularly important in agricultural equipment that may encounter variable loads or require periodic maintenance.
5. Implement Compatibility and Versatility:
Drive belt pulleys contribute to the compatibility and versatility of agricultural equipment. With the use of different pulley sizes or configurations, machinery manufacturers can design equipment that accommodates a wide range of implements and attachments. By selecting the appropriate pulley combination, operators can adapt the equipment to perform different tasks, such as switching between high-speed operations, like mowing, and low-speed operations, like tilling. This versatility enhances the efficiency and productivity of agricultural machinery.
6. Noise and Vibration Control:
Drive belt pulleys help control noise and vibrations in agricultural equipment. Well-designed pulleys with proper alignment and balanced operation minimize vibrations and reduce noise generated during equipment operation. This contributes to a quieter and more comfortable working environment for operators, especially during prolonged use of the machinery.
7. Maintenance and Serviceability:
Properly designed drive belt pulleys enhance the maintenance and serviceability of agricultural equipment. Pulleys that are easily accessible, with removable covers or guards, simplify maintenance procedures. This allows for efficient belt replacement, tension adjustment, or component servicing, reducing downtime and ensuring that the equipment remains operational during critical farming seasons.
8. Energy Efficiency:
Efficient power transmission is essential for achieving energy efficiency in agricultural machinery. Drive belt pulleys help optimize power transfer from the engine to the driven components, minimizing energy losses. Properly sized and designed pulleys ensure that power is efficiently delivered to perform agricultural tasks, resulting in reduced fuel consumption and lower operating costs for farmers.
In summary, drive belt pulleys are vital components in agricultural equipment, contributing to power transmission, speed control, belt-driven mechanisms, tensioning, implement compatibility, noise control, maintenance, serviceability, and energy efficiency. Their presence ensures the reliable and efficient operation of agricultural machinery, ultimately improving productivity and supporting the needs of modern farming practices.
Can drive belt pulleys withstand exposure to harsh environmental conditions?
Drive belt pulleys are designed to withstand a wide range of environmental conditions, but their ability to withstand exposure to harsh environments depends on various factors. Here’s a detailed explanation of the factors that influence the capability of drive belt pulleys to withstand harsh environmental conditions:
1. Material Selection:
The choice of materials used in manufacturing drive belt pulleys plays a vital role in their ability to withstand harsh environments. Pulleys are commonly made from materials such as cast iron, steel, aluminum, or various types of plastics. Each material has different properties regarding corrosion resistance, temperature tolerance, and chemical compatibility. Selecting pulleys made from materials that can withstand the specific environmental conditions is crucial for their long-term durability.
2. Corrosion Resistance:
In environments where corrosion is a concern, such as high humidity, exposure to chemicals, or saltwater conditions, it is essential to choose pulleys that have good corrosion resistance. Materials such as stainless steel or corrosion-resistant coatings can be applied to pulleys to protect them from rust and corrosion, ensuring their reliability and performance in harsh environments.
3. Temperature Tolerance:
Extreme temperatures can impact the performance and lifespan of drive belt pulleys. Pulleys exposed to high temperatures can experience thermal expansion, which may affect their dimensional stability and alignment. Similarly, low temperatures can cause material brittleness and reduce the pulleys’ flexibility. Pulleys specifically designed to withstand high or low temperatures, or those made from materials with suitable temperature tolerance, are necessary for harsh environmental conditions.
4. Chemical Compatibility:
In environments where pulleys are exposed to chemicals, solvents, oils, or other substances, it is crucial to consider their chemical compatibility. Some materials may react with certain chemicals, leading to degradation, swelling, or weakening of the pulley material. Understanding the chemical environment and selecting pulleys made from compatible materials or applying chemical-resistant coatings can enhance their resistance to harsh chemicals.
5. Sealing and Protection:
Drive belt pulleys can be equipped with sealing mechanisms or protective covers to shield them from harsh environmental elements. Seals and covers help prevent the ingress of moisture, dust, dirt, or abrasive particles that can accelerate wear and damage the pulleys. Proper sealing and protection can significantly improve the pulleys’ ability to withstand harsh environments and extend their lifespan.
6. Environmental Controls:
In some cases, it may be possible to implement environmental controls to mitigate the impact of harsh conditions on drive belt pulleys. This can include installing pulley enclosures, temperature control systems, or implementing regular cleaning and maintenance procedures. By controlling the environment surrounding the pulleys, their exposure to harsh conditions can be minimized, ensuring better performance and longevity.
7. Regular Inspection and Maintenance:
Regardless of the environmental conditions, regular inspection and maintenance are essential for preserving the performance and reliability of drive belt pulleys. Periodic inspections allow for the early detection of any signs of wear, damage, or deterioration caused by harsh environments. Prompt maintenance, such as cleaning, lubrication, and replacement of worn components, can help mitigate the effects of harsh conditions and ensure the pulleys’ continued functionality.
In conclusion, while drive belt pulleys are designed to withstand various environmental conditions, their ability to withstand harsh environments depends on factors such as material selection, corrosion resistance, temperature tolerance, chemical compatibility, sealing and protection, environmental controls, and regular maintenance. By considering these factors and taking appropriate measures, drive belt pulleys can be made more resilient and reliable in challenging operating conditions.
Can you explain the key components and design features of a drive belt pulley?
A drive belt pulley consists of several key components and design features that enable its efficient operation and power transmission. Here’s a detailed explanation of these components and features:
1. Pulley Wheel:
The pulley wheel is the main component of a drive belt pulley. It is typically a cylindrical or disk-shaped wheel with a grooved rim. The wheel is designed to accommodate the belt and provide a surface for power transmission. The grooves on the rim match the shape and size of the belt, ensuring a secure fit and optimal power transfer.
The grooves on the pulley wheel’s rim are an essential design feature. They provide the necessary contact points for the belt, ensuring a firm grip and preventing slippage during power transmission. The grooves can have different shapes, such as V-shaped or multi-ribbed, depending on the type of belt used.
3. Belt Alignment Guides:
Drive belt pulleys often include alignment guides to ensure proper positioning and alignment of the belt. These guides can be raised ridges or flanges located on the sides of the pulley. They help keep the belt in place and prevent it from slipping off the pulley, especially in high-tension applications.
4. Hub or Bore:
The hub or bore is the central opening in the pulley wheel where it attaches to the shaft of the power source. The hub is typically designed to fit snugly onto the shaft, ensuring a secure connection and efficient power transfer. It may include keyways, splines, or set screws to prevent rotation or slippage on the shaft.
5. Material and Construction:
Drive belt pulleys are commonly made of durable materials such as metal or plastic. Metal pulleys, such as steel or cast iron, are favored for their strength and resistance to wear. Plastic pulleys, often made of reinforced nylon or polyurethane, are lightweight, corrosion-resistant, and suitable for applications where reduced noise and vibration are desired.
6. Size and Diameter:
The size and diameter of the drive belt pulley play a crucial role in determining the speed ratio and power transmission characteristics. By altering the diameter or using pulleys of different sizes, the rotational speed and torque can be adjusted to meet specific requirements. Different pulleys within a system may have varying diameters to create speed variation or torque multiplication.
7. Tensioning Mechanism:
In some applications, drive belt pulleys may incorporate a tensioning mechanism. This mechanism allows for the adjustment of belt tension to ensure proper power transmission and prevent slippage. Tensioning mechanisms can include spring-loaded arms, adjustable brackets, or sliding mounts that enable easy tension adjustment and maintenance.
8. Bearing or Bushing:
Drive belt pulleys often include bearings or bushings to facilitate smooth and efficient rotation. These components reduce friction between the pulley and the shaft, allowing for improved power transmission and longevity of the pulley system. Bearings can be ball bearings, roller bearings, or plain bushings depending on the specific application and load requirements.
These key components and design features collectively contribute to the functionality, reliability, and performance of drive belt pulleys. By providing a secure fit for the belt, maintaining proper alignment, accommodating tension adjustments, and utilizing durable materials, drive belt pulleys ensure efficient power transmission and contribute to the smooth operation of mechanical systems in various applications.
editor by CX