Product Description
Lifting and rigging chain has been 1 of the most popular rigging products on the market for many years, mainly due to its strength, durability, and ease of use. All our alloy steel rigging and lifting chain is heat treated to offer industry leading load capacity and durability. Some steel rigging chains are approved for overhead lifting, while others are not, so it is important to always know what type of lifting chain your specific rigging application requires
CHINAMFG alloy steel lifting chain
- Specifications sheet as belows:
| Size(mm) | Inside Width(mm) | Outside Width(mm) | Approx Weight KG/M | W.L.L. Ton | Test Load KN | B.L. KN |
| 6 x 18 | 7.5 | 21.0 | 0.79 | 1.1 | 27 | 45.2 |
| 7 x 21 | 9.0 | 24.5 | 1.07 | 1.5 | 37 | 61.6 |
| 8 x 24 | 10.0 | 28.0 | 1.38 | 2.0 | 48 | 80.4 |
| 10 x 30 | 12.5 | 35.0 | 2.20 | 3.2 | 76 | 125 |
| 12 x 36 | 15.0 | 42.0 | 3.10 | 4.6 | 109 | 181 |
| 13 x 39 | 16.3 | 46.0 | 3.80 | 5.0 | 128 | 214 |
| 16 x 48 | 20.0 | 56.0 | 5.63 | 8.0 | 192 | 320 |
| 16 x 49 | 24.5 | 59.5 | 5.71 | 8 | 192 | 320 |
How do we control quality:
a) Pay attention to adaptation for manufacture process
b) Approval report for shipment
c) Third party inspection is accepted
d) Keeping quality guarantee for a long period
e) Guaranteeing quality inspection of each product before assembly and packing.
f) Comply with ISO 9001
Any request or further qustions do not hesitate to let us know:
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| Usage: | Lifting Chain |
|---|---|
| Material: | Alloy |
| Surface Treatment: | Electroplating |
| Feature: | Heat Resistant |
| Chain Size: | 1/2"*3/32" |
| Structure: | Welded Chain |
| Samples: |
US$ 3/Meter
1 Meter(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
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.
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.
editor by CX
2024-04-16