China wholesaler Industrial Grade Track Pulley Color Steel Wheel Belt Bracket V-Shaped U-Shaped Y-Shaped belt pulley

Product Description

Single Bearing Trapezoid Gate Wheel

Model A B C D E Weight
30×11 35 11 30 45 17 * * 63
40×14 45 14 38 75 25 192 185 194
50×15 55 15 48 75 25 253 244 263
50×15 60 15 48 85 30 303 292 302
60×17 65 20 58 85 30 400 395 410
70×20 80 20 68 100 35 640 640 665
80×20 85 20 48 100 35 805 785 825
90×20 100 20 88 133 35 1130 1121 1145
100×20 105 20 98 133 35 1350 1338 1363
The data is measured by hand, maybe there are some errors, just for reference.

Double Bearing Gate Wheel

Model A B C D E Weight(Y) Weight(U)
50MM 55 26 48 85 30 324 320
60MM 65 30 58 85 30 617 580
70MM 80 32 68 100 35 977 954
80MM 85 32 48 100 35 1260 1223
90MM 100 32 88 133 35 1788 1760
100MM 105 32 98 133 35 2100 2078
The data is measured by hand, maybe there are some errors, just for reference.

Laminated Gate Wheel

Model A B C D Weight(Y/V) Weight(U)
50mm 48 15 100 26 260 250
60mm 58 17 100 26 390 360
70mm 68 20 136 33 590 570
80mm 78 20 136 33 750 725
90mm 88 20 152 33 1060 1030
100mm 98 20 152 33 1265 1225
The data is measured by hand, maybe there are some errors, just for reference.

Hang Gate Wheel

 Model A B C D E F G H I
H25 51 25 M9*50 9 95 79 25 6 27
H38 86 38 M12*70 11 120 118 38 10 32
H55 115 55 M20*85 14 140 159 44 10 15
The data is measured by hand, maybe there are some errors, just for reference.

Triangle Gate Wheels/ Rotation Gate Wheels/ Hanging Wheels/ White Zinc Gate Wheels/ Doule Wheels Double Bearing Gate Wheel

      We have already had nealy a decade producting and exporting experience. Since 2014, we have sold our products to dozens of countries all around the world. And we have established a deep cooperative relationship with many customers. 
      We make our products with heart, strive to bring the best quality for customers. So we got a lot of customer approval. After that, we will also strictly control, down-to-earth, and forge ahead.

        1.ZheJiang Joinwin Hardware and Tools Co., Ltd. we have 10 years manufacturing and exporting experience which ranks among the best in China. Mainly sales pliers, spanners, scissors, saws, screwdrivers, wheels, sillicone sealant, tapline and other hand tools. 
        2.Located in HangZhou where is just 180km far from HangZhou Port and many raw material factories around, greatly reduces transportation and procurement costs.
        3.We have professional sales and engineers to provide satisfied service to clients. Our company covers an area of 1000 square meters, has the most advanced production equipment and technology.      
        4.Customer first, team work, embrace change, sincere are our company culture.      
        5.We aim to provide clients more safety and convenient life.

              Pliers                 Adjustable Wrench  Combination Spanners         Hammers               Pruner Scissors        Aviation Tin Snips
      Screwdrivers                    Padlocks                   Hand Saws                       Axe                 Silicone Sealant 
Q1: Can I get a sample?
A1: Yes, the samples are usually free for customers.

Q2: Can you provide OEM service?
A2: Yes, we can produce the goods according to clients’ demands.

Q3: How can you guarantee the quality?
A3: We have advanced equipment and professional engineer and quality inspector to ensure the quality of the goods. And we will send extra goods for insurance. Besides, we have satisfied after-service.

Q4: What is the MOQ?
A4: 500 PCS.

Q5: How long you will finish my order?
A5: Totally in 30 days. (The specific situation depends on the production schedule of the production department.)

After-sales Service: 5 Years
Warranty: 3 Years
Certification: CE
Splittable: Splittable
Surface Treatment: Zinc Plated
Material: Metal
US$ 0.01/Piece
1 Piece(Min.Order)

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belt pulley

What is the role of belt pulleys in the automotive industry?

Belt pulleys play a vital role in the automotive industry, contributing to various systems and components within vehicles. They are essential for transmitting power, driving auxiliary systems, and ensuring the smooth operation of critical functions. Here’s a detailed explanation of the role of belt pulleys in the automotive industry:

1. Engine Power Transmission: Belt pulleys are integral to the power transmission system of an automotive engine. They are commonly used in serpentine belt systems, where a single belt is routed around multiple pulleys to drive various engine accessories. The crankshaft pulley connects to the engine’s crankshaft and is responsible for transmitting power to components such as the alternator, water pump, power steering pump, and air conditioning compressor. The rotation of the crankshaft pulley drives the serpentine belt, which, in turn, drives these auxiliary systems.

2. Timing Belt System: Belt pulleys are essential components in the timing belt system of an engine. The timing belt connects the engine’s crankshaft to the camshaft(s), synchronizing their rotation and ensuring precise valve timing. The crankshaft pulley, also known as the harmonic balancer, is connected to the crankshaft and drives the timing belt. The camshaft pulleys, often referred to as timing pulleys, are responsible for driving the camshafts and controlling the opening and closing of the engine’s valves. Proper timing belt operation is crucial for the engine’s performance, efficiency, and overall reliability.

3. Supercharger and Turbocharger Systems: In high-performance and forced induction engines, belt pulleys are utilized in supercharger and turbocharger systems. These systems compress the intake air to increase engine power output. Belt-driven superchargers and turbochargers use pulleys to drive the compressor, which forces more air into the engine’s combustion chambers. The pulleys in these systems are designed to withstand high speeds and loads, ensuring efficient and reliable operation of the forced induction system.

4. Cooling System: Belt pulleys contribute to the cooling system of automotive engines. The water pump pulley is connected to the water pump, which circulates coolant throughout the engine to dissipate heat. The rotation of the water pump pulley, driven by the crankshaft pulley, creates the necessary flow of coolant to regulate engine temperature. Proper cooling system operation is vital for preventing overheating and maintaining the engine’s optimal operating conditions.

5. Power Steering System: Belt pulleys are used in power steering systems to assist with steering effort. The power steering pump pulley is connected to the power steering pump, which pressurizes hydraulic fluid to aid in turning the wheels. As the crankshaft pulley drives the serpentine belt, power is transmitted to the power steering pump pulley, enabling power-assisted steering. Belt-driven power steering systems provide easier and more responsive steering control for drivers.

6. Air Conditioning System: Belt pulleys play a role in the automotive air conditioning system. The air conditioning compressor pulley is driven by the serpentine belt and is responsible for compressing and circulating refrigerant within the system. The rotation of the compressor pulley enables the air conditioning system to cool and dehumidify the vehicle’s interior, providing comfort to occupants. Belt-driven air conditioning systems are commonly found in most passenger vehicles.

7. Other Auxiliary Systems: Belt pulleys are also used in other auxiliary systems in vehicles, such as the alternator, which generates electrical power to charge the battery and power electrical components. Additionally, they are employed in systems like the vacuum pump for brake assist, power take-off (PTO) units in commercial vehicles, and various belt-driven pumps for systems like the fuel injection system and hydraulic systems.

In summary, belt pulleys play a crucial role in the automotive industry, contributing to power transmission, auxiliary systems, and critical functions within vehicles. Whether it’s transmitting power in the engine, driving timing belts or auxiliary systems, or assisting with cooling, steering, or air conditioning, belt pulleys ensure the efficient and reliable operation of automotive systems and components.

belt pulley

How do belt pulleys handle variations in load capacity and speed?

Belt pulleys are designed to handle variations in load capacity and speed by providing flexibility and adjustability in power transmission systems. They offer several mechanisms to accommodate changes in load and speed requirements. Here’s a detailed explanation of how belt pulleys handle variations in load capacity and speed:

1. Load Capacity: Belt pulleys can handle variations in load capacity through the selection of appropriate belt materials, pulley sizes, and belt tension. When the load increases, the belt tension can be adjusted to ensure proper power transmission. By increasing the tension, the grip between the belt and pulley increases, allowing for the transfer of higher loads. Belt materials with higher tensile strength and load-bearing capacity can also be chosen to handle heavier loads.

2. Speed Variation: Belt pulleys offer the ability to handle variations in speed through different mechanisms:

a. Fixed Speed Ratios: In applications where a fixed speed ratio is required, belt pulleys of specific sizes are selected to achieve the desired speed ratio. By choosing pulleys with different diameters or numbers of grooves, the speed of the driven pulley can be adjusted relative to the driving pulley, resulting in the desired speed variation.

b. Variable Speed Pulleys: Variable speed pulleys, also known as adjustable or variable pitch pulleys, enable continuous speed control. These pulleys feature movable pulley halves or arms that change the distance between the grooves. By adjusting the position of the movable pulley, the effective diameter of the pulley changes, altering the speed ratio. This allows for stepless speed variation within a defined range, providing flexibility in adjusting the speed of the driven system.

c. Step Pulleys: Step pulleys have multiple grooves of different diameters on the same pulley. By changing the belt position between these grooves, the speed ratio can be adjusted. Step pulleys provide a range of predetermined speeds by selecting the appropriate groove, allowing for different speed settings suitable for various operations.

d. Motor and Pulley Size Selection: By selecting motors and pulleys of different sizes or using different combinations of belt pulleys, the speed of the driven system can be adjusted. This is commonly seen in applications where multiple speed options are required, such as in drill presses or lathes, where a range of speeds is needed for different cutting operations.

Overall, belt pulleys handle variations in load capacity and speed by offering flexibility in belt tension, selecting appropriate pulley sizes and materials, utilizing variable speed pulleys, employing step pulleys, and choosing motor and pulley combinations to achieve the desired speed ratios. These mechanisms allow for efficient power transmission in a wide range of applications with varying load and speed requirements.

belt pulley

What are the key components and design features of a belt pulley?

A belt pulley consists of several key components and incorporates specific design features to ensure efficient power transmission and reliable operation. Understanding these components and design features is essential for proper selection and utilization of belt pulleys in mechanical systems. Here’s an overview of the key components and design features:

1. Pulley Body: The pulley body is the main structure of the belt pulley. It is typically a wheel-shaped component made of materials such as cast iron, steel, or aluminum. The pulley body provides the necessary strength and rigidity to support the belt and transmit rotational motion.

2. Grooved Rim: The rim of the pulley body features a series of grooves or channels. These grooves accommodate the belt or rope, ensuring a secure engagement between the pulley and the transmission element. The groove profile can vary depending on the type of belt or rope being used.

3. Hub or Bore: The hub or bore is the central opening in the pulley body. It allows the pulley to be mounted and secured onto the shaft. The hub may have keyways, splines, or other features to ensure proper alignment and torque transfer between the pulley and the shaft.

4. Flanges: Flanges are raised edges or rims located on the sides of the pulley body, adjacent to the grooved rim. Flanges help guide and prevent the belt from slipping off the pulley during operation. They provide additional support and stability to the belt, ensuring reliable power transmission.

5. Tensioning Mechanism: Some belt pulley designs incorporate a tensioning mechanism. This mechanism allows for adjusting the tension in the belt to ensure proper engagement and prevent slippage. Tensioning mechanisms can include adjustable pulley halves, movable pulley arms, or other mechanisms that enable easy tension adjustment.

6. Idler Pulleys: In certain belt-driven systems, idler pulleys are used in conjunction with the main driving and driven pulleys. Idler pulleys are additional pulleys that do not transmit power but help guide and redirect the belt. They maintain the appropriate tension in the belt, improve belt wrap around the pulleys, and assist in achieving the desired belt path.

7. Surface Finish: The surface finish of a belt pulley is important for reducing friction and wear between the pulley and the belt. Smooth and properly finished surfaces minimize belt slippage and improve power transmission efficiency. The surface finish can be achieved through machining, grinding, or other methods depending on the material and application requirements.

8. Balancing: Balancing is a critical aspect of belt pulley design, especially for high-speed applications. Proper balancing ensures that the pulley rotates smoothly without causing excessive vibrations or premature wear. Unbalanced pulleys can lead to reduced system performance, increased noise, and potential damage to the pulley or other components.

9. Material Selection: The choice of material for a belt pulley depends on factors such as the application requirements, load capacity, operating conditions, and cost considerations. Common materials used for pulleys include cast iron, steel, aluminum, and composite materials. Each material offers specific advantages in terms of strength, durability, corrosion resistance, and weight.

In summary, a belt pulley consists of components such as the pulley body, grooved rim, hub or bore, flanges, tensioning mechanisms, and may include idler pulleys. Design features like surface finish, balancing, and material selection are crucial for optimal performance and longevity of the pulley. Understanding these key components and design features allows for the appropriate selection, installation, and maintenance of belt pulleys in mechanical systems.

China wholesaler Industrial Grade Track Pulley Color Steel Wheel Belt Bracket V-Shaped U-Shaped Y-Shaped   belt pulley	China wholesaler Industrial Grade Track Pulley Color Steel Wheel Belt Bracket V-Shaped U-Shaped Y-Shaped   belt pulley
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