China factory Casting Pulley for Transmission Wheel pulley and belt

Product Description

cast iron surface phosphate V type belt pulley 

1) European standard:    
    a) V-belts pulley for taper bushing: SPZ, SPA, SPB, SPC; up to 10 grooves.   
    b) Adjustable speed V-belt pulleys and variable speed pulleys.   
    c) Flat belt pulleys and conveyor belt pulleys.
2) American standards:   
    a) Sheave for taper bushing: 3V, 5V, 8V    
    b) Sheaves for QD bushings: 3V, 5V, 8V   
    c) Sheaves for split taper bushing: 3V, 5V, 8V  . 
    d) Sheave for 3L, 4L or A, and 5L or B belts: AK, AKH, 2AK, 2AKH, BK, BKH,2BK, 2BKH, 3BK   
   e) Adjustable sheave: poly V-pulley, multi-pitch H, L, J, K and M.
 
   

  

    
Fetures:
Made according to drawings and/or sample,OEM inquiries welcomed, especially for big pulley.
Material: C45, cast iron, ductile iron, GG200,GG250, GGG3000, GGG40, nylon, aluminum, etc.
Surface treatment: Black oxide, phosphate, painted, Zinc plate or passavited.
Bore: pilot bore, finish bore, taper bore, bore for QD bushing
Inspection:Dynamic balance & Static balance test are available.With standardized desigh and well equipped CNC machining Systems.
Our pulleys have high Precision and good interchangeability.
Apply to mining machinery,petroleum machinery ETC.
workshop

 
  

  

FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in single color box. If you have special request about packing, pls negotiate with us in advance, we can pack the goods as your request.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages 
before you pay the balance. Other payments terms, pls negotiate with us in advance, we can discuss.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.

Q4. How about your delivery time?
A: Generally, it will take 25 to 30 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and 
the courier cost.We welcome sample order.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, 
no matter where they come from.

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Certification: CE, ISO
Pulley Sizes: Type E
Manufacturing Process: Casting
Material: Iron
Surface Treatment: Polishing
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant
Samples:
US$ 2/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

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Customized Request

wheel pulley

How are wheel pulleys employed in automotive engines and accessories?

Wheel pulleys play a crucial role in automotive engines and accessories, contributing to various functions and systems. Here’s a detailed explanation:

1. Serpentine Belt System:

Wheel pulleys are commonly employed in automotive engines as part of the serpentine belt system. This system consists of a single, continuous belt that drives multiple accessories and systems in the engine, such as the alternator, power steering pump, water pump, air conditioning compressor, and more. The wheel pulleys, also known as idler pulleys or tensioner pulleys, are strategically positioned along the belt path to guide and tension the belt, ensuring proper engagement and power transfer to the accessories.

2. Power Transmission:

In automotive engines, wheel pulleys are integral to power transmission. The crankshaft pulley, often the largest wheel pulley in the system, transfers the rotational motion from the engine’s crankshaft to the serpentine belt. The belt then distributes this power to the various accessories, allowing them to operate and perform their respective functions. Wheel pulleys enable efficient power transmission, maintaining the overall performance and functionality of the engine and its accessories.

3. Belt Tension and Alignment:

Wheel pulleys in automotive engines are designed to maintain proper belt tension and alignment. Tensioner pulleys are equipped with mechanisms that apply tension to the serpentine belt, ensuring it remains tight and properly engaged with the pulleys. Idler pulleys guide the belt along its path and help maintain its alignment, preventing slippage or disengagement. Proper tension and alignment provided by wheel pulleys are crucial for the reliable operation of the serpentine belt system.

4. Overrunning Alternator Pulley:

An overrunning alternator pulley (OAP) is a specialized type of wheel pulley used in automotive alternator systems. The OAP allows the alternator to freewheel or decouple from the engine during certain conditions, reducing drag and improving fuel efficiency. It incorporates a one-way clutch mechanism that allows the alternator to rotate freely in one direction while locking in the other direction when the engine is generating power. The OAP wheel pulley contributes to smoother operation, reduced vibrations, and improved overall efficiency of the alternator system.

5. Customization and Performance:

Automotive wheel pulleys can be customized and optimized for specific applications to enhance performance. They can be designed with specific groove profiles, dimensions, or surface coatings to maximize belt engagement, reduce noise, or improve durability. Additionally, lightweight materials such as aluminum or composite alloys are often used to reduce rotational mass and improve engine efficiency.

6. Maintenance and Replacement:

Proper maintenance and timely replacement of wheel pulleys are essential in automotive engines and accessories. Regular inspection helps identify any wear, misalignment, or damage to the pulleys or belts, ensuring optimal performance and preventing potential failures. When necessary, damaged or worn wheel pulleys should be replaced to maintain the reliability and functionality of the engine and its accessories.

Overall, wheel pulleys play a vital role in automotive engines and accessories, contributing to power transmission, belt tension, alignment, and overall system performance. Their inclusion in serpentine belt systems and specialized applications like overrunning alternator pulleys ensures the efficient and reliable operation of automotive engines and accessories.

wheel pulley

What types of materials are commonly used for wheel pulley components?

Wheel pulley components are typically made from a variety of materials, each selected based on specific performance requirements. Here are some commonly used materials for wheel pulley components:

1. Metals:

a. Steel: Steel is a widely used material for wheel pulley components due to its high strength, durability, and resistance to wear. It is capable of handling heavy loads and high-speed applications. Different types of steel, such as carbon steel or stainless steel, may be chosen based on factors like corrosion resistance and environmental conditions.

b. Aluminum: Aluminum is known for its lightweight properties, making it suitable for applications that require reduced weight or where inertia is a concern. It offers good corrosion resistance and is often used in pulleys that require high-speed rotation.

c. Cast Iron: Cast iron is preferred for its excellent wear resistance and ability to withstand heavy loads. It is commonly used in applications where durability and stability are crucial, such as industrial machinery.

2. Plastics:

a. Nylon: Nylon is a popular choice for wheel pulley components due to its high strength, low friction, and resistance to wear. It offers good dimensional stability and is often used in applications where noise reduction and smooth operation are important.

b. Polyurethane: Polyurethane is valued for its excellent abrasion resistance and elasticity. Pulleys made from polyurethane are suitable for applications that involve high wear or require shock absorption, such as conveyor systems.

c. Acetal: Acetal, also known as Delrin, is a thermoplastic with low friction and good dimensional stability. It provides high resistance to chemicals and moisture, making it suitable for pulleys used in demanding environments.

3. Composite Materials:

a. Fiberglass Reinforced Plastic (FRP): FRP pulleys are made by combining a resin matrix with fiberglass reinforcements. These pulleys offer high strength-to-weight ratios, corrosion resistance, and excellent dimensional stability. They are commonly used in industries such as marine, aerospace, and mining.

b. Carbon Fiber Reinforced Polymer (CFRP): CFRP pulleys are lightweight and possess exceptional strength. They exhibit high stiffness, low thermal expansion, and resistance to corrosion and fatigue. CFRP pulleys find applications in areas where weight reduction and high performance are critical, such as in sports equipment or high-end machinery.

It’s important to note that material selection for wheel pulley components depends on factors such as load capacity, speed, operating conditions, environmental factors, and cost considerations. By choosing the appropriate materials, wheel pulleys can deliver optimal performance, longevity, and reliability in various applications.

wheel pulley

What advantages do wheel pulleys offer for power transmission?

Wheel pulleys offer several advantages for power transmission in machinery and mechanical systems. Here’s a detailed explanation of the advantages:

1. Speed Ratio Variation:

Wheel pulleys allow for speed ratio variation between the input and output shafts. By using pulleys of different sizes, the rotational speed can be adjusted, providing flexibility in power transmission systems. This advantage is particularly useful in applications where different speeds are required for different tasks or operating conditions.

2. Power Amplification:

Wheel pulleys can be designed with different diameters, allowing for power amplification. By increasing the diameter of the output pulley compared to the input pulley, the output torque can be increased while reducing the rotational speed. This power amplification capability is beneficial in applications that require higher torque at lower speeds.

3. Mechanical Advantage:

Wheel pulleys provide a mechanical advantage by utilizing the principle of leverage. By employing different pulley sizes, a smaller input force can be used to generate a larger output force. This advantage is particularly valuable in applications that involve lifting heavy loads or performing tasks that require significant force.

4. Smooth and Continuous Power Transmission:

Wheel pulleys, when used with compatible belts or ropes, offer smooth and continuous power transmission. The flexible nature of belts and ropes allows for shock absorption and dampening of vibrations, resulting in reduced noise and smoother operation. This advantage is crucial in applications where precise and consistent power transfer is required.

5. Compact and Lightweight Design:

Wheel pulleys have a compact and lightweight design, making them suitable for various machinery and equipment. Their small size and light weight contribute to space-saving and ease of installation. This advantage is particularly beneficial in applications where weight and size considerations are important, such as portable equipment or systems with limited space.

6. Cost-Effectiveness:

Wheel pulleys are cost-effective components for power transmission. They are relatively simple in design and construction, resulting in lower production costs compared to other power transmission mechanisms. Additionally, their durability and low maintenance requirements contribute to long-term cost savings.

7. Versatility and Compatibility:

Wheel pulleys are versatile components that can be used in a wide range of applications and systems. They are compatible with various types of belts, ropes, or cables, allowing for flexibility in power transmission setups. This advantage enables the integration of wheel pulleys into diverse machinery and equipment.

8. Ease of Adjustment and Replacement:

Wheel pulleys offer ease of adjustment and replacement. By changing the size or configuration of the pulleys, the power transmission characteristics can be modified to suit specific requirements. Additionally, worn or damaged pulleys can be readily replaced, minimizing downtime and maintenance efforts.

These advantages make wheel pulleys a popular choice for power transmission in machinery and mechanical systems. Their ability to vary speed ratios, provide mechanical advantage, offer smooth power transfer, and their cost-effectiveness contribute to efficient and reliable operation in a wide range of applications.

China factory Casting Pulley for Transmission Wheel   pulley and belt	China factory Casting Pulley for Transmission Wheel   pulley and belt
editor by CX

2024-05-16