Tag Archives: wire sheave

China manufacturer Heavy Duty Wire Wheel Pulley Door Hanger Sheave for Elevator Spare Parts pulley and belt

Product Description

Heavy Duty Wire Wheel Pulley Door Hanger Sheave for Elevator Spare Parts

Product Description

Container crane pulley block,
With high bearing capacity, high wear resistance and long service life

Sheave features:

1) Material: Q235B, Q345B, 35#, 45#, 60#, SSW-QR1, S45C

2) Groove surface quench: HRC45-55

3) Groove surface quench depth: 2mm-2.5mm

4) groove MT after heat treatment and welding line UT and MT

5) Max processing diameter: 2, 000mm

6) Short production cycle

It is used for crane equipment, port equipment, oil drilling rig and so on.

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Company Profile

Factory introduction

HangZhou CHINAMFG Metallurgy Equipment Manufacturing Co., Ltd. is a high-tech enterprise registered in HangZhou City of ZheJiang Province, which is mainly engaged in the design and manufacture of spare parts for metallurgy equipment, hoisting machinery, oil drilling rigs, and heavy decelerator boxes.

Our company boasts a professional team who is full of vitality, with high efficiency, and industry minded. Our R&D technicians are highly skilled with rich experience, and possess strong design and development capabilities. There are 2 experts in our company who enjoy the state special allowance. We have carried out broad cooperation with renowned factories and design institutes both at home and abroad.

With advanced design, outstanding manufacturing crafts and vigorous management, the whole manufacturing process of our company is conducted by strictly implementing strict quality management system. Our products are widely used by a great number of steel plants in China and exported overseas, where they have received high praise from our customers.

By following the enterprise philosophy of innovation, quality and creating value for the clients, our company is constantly bringing in advanced technologies from home and abroad. We are committed to taking the enhancement of product quality, safety and reliability as our responsibility and striving for providing high quality products and perfect services to the clients.

HangZhou CHINAMFG Metallurgy Equipment Manufacturing Co., Ltd. Warmly welcomes you to be our distinguished clients and friends.

Customer communication

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Packaging & Shipping

FAQ

Q: What information should I provide if I want to order the products?
1) Product information: Quantity, specification
2) Delivery time required.
3) Shipping information: Company name, address, phone number, destination seaport/air port.
4) Forwarder’s contact details if there is any in China.
 
Q: How about your payment terms?
A: 30% -50%deposit, with the balance before delivery, we accept T/T and L/C at sight.
 
Q: Can I use our own logo?
A: Yes, we can produce by using your own logo if you need.
 
Q: How about sample & MOQ policy?
A: Welcome sample order. MOQ can be 1 set.
 
Q: What is your lead time for your goods?
A: Normally 30 days after confirmed order,  

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Type: Lifting
Material: Steel
Lifting Capacity: <1T
Fixed Form: Welding Type
Shape: Round
Certification: ISO 9001
Customization:
Available

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Customized Request

pulley

How do sheaves compare to other components like pulleys and blocks?

Sheaves, pulleys, and blocks are all components used in mechanical systems to facilitate the movement and redirection of cables, ropes, or belts. While they serve similar purposes, there are some key differences between them:

  • Sheaves: Sheaves are wheel-like devices with a grooved or V-shaped rim that guides and redirects cables or ropes. They are often used in conjunction with belts or ropes to transmit power or facilitate controlled movement. Sheaves come in various sizes and designs, including single-groove, multi-groove, and adjustable sheaves. They are commonly used in applications such as cranes, elevators, pulley systems, and conveyor belts.
  • Pulleys: Pulleys are another type of wheel-like component used to redirect cables or ropes. Unlike sheaves, pulleys do not have a grooved rim. Instead, they have a smooth surface that the cable or rope wraps around. Pulleys can be fixed or movable and are often used in combination with belts or ropes to change the direction of force or transmit power. They are commonly found in systems such as lifting devices, clotheslines, and flagpoles.
  • Blocks: Blocks, also known as pulley blocks or snatch blocks, consist of one or more pulleys enclosed within a housing or frame. They are used to increase the mechanical advantage or change the direction of force in a system. Blocks often have a swivel feature that allows them to rotate freely, accommodating different angles and directions. They are commonly used in rigging and lifting applications, such as cranes, hoists, and sailing systems.

Here are some key points of comparison between sheaves, pulleys, and blocks:

  • Design: Sheaves and pulleys have similar wheel-like designs, but sheaves have a grooved rim while pulleys have a smooth surface. Blocks encompass multiple pulleys within a housing or frame.
  • Functionality: Sheaves and pulleys primarily guide and redirect cables or ropes, while blocks provide mechanical advantage and change the direction of force.
  • Application: Sheaves are commonly used in systems that require power transmission or controlled movement, such as elevators and conveyor belts. Pulleys are often found in simple systems that involve changing the direction of force, like clotheslines. Blocks are utilized in applications that require increased mechanical advantage or redirection of force, such as rigging and lifting.
  • Complexity: Blocks tend to be more complex than sheaves and pulleys due to the inclusion of multiple pulleys and the housing or frame.

While there are distinctions between sheaves, pulleys, and blocks, it’s important to note that the terms can sometimes be used interchangeably, depending on the context and industry. Understanding the specific requirements of a mechanical system will help determine the most suitable component to use.

pulley

How do sheaves contribute to the smooth operation of cable and rope systems?

Sheaves play a crucial role in ensuring the smooth operation of cable and rope systems. They are designed to guide and redirect the cables or ropes, allowing for efficient power transmission and controlled movement. Here are the ways in which sheaves contribute to the smooth operation of cable and rope systems:

  • Alignment and tracking: Sheaves are carefully designed with grooved surfaces that align and track the cables or ropes. This ensures that the cables or ropes are maintained in the desired position, minimizing the risk of slippage, tangling, or interference with other system components. Proper alignment and tracking contribute to smooth and consistent operation.
  • Reduced friction: Sheaves are engineered to reduce friction between the cables or ropes and the sheave surfaces. This is typically achieved through the use of materials with low friction coefficients and the application of lubricants. By minimizing friction, sheaves help to reduce energy losses, wear, and heat generation, resulting in smoother and more efficient operation.
  • Load distribution: Sheaves distribute the load evenly across the cables or ropes. As the cables or ropes pass over the sheave, the load is spread out, preventing localized stress concentrations. This even load distribution helps to maintain the integrity of the cables or ropes, promoting smooth operation and extending their service life.
  • Tension control: Sheaves can be used to control and adjust the tension in cable and rope systems. By changing the position of the sheaves, the tension in the cables or ropes can be increased or decreased as needed. Proper tension control is essential for maintaining the desired performance and preventing issues such as slackness or excessive tightness, which can hinder smooth operation.
  • Directional changes: Sheaves allow for changes in the direction of cable or rope movement. By redirecting the cables or ropes around the sheave, they can be guided along the desired path or routed around obstacles. This enables smooth and controlled movement in various directions, facilitating the operation of complex cable and rope systems.
  • Noise and vibration reduction: Well-designed sheaves with proper materials and construction can help dampen noise and vibrations generated during cable and rope operation. This contributes to a quieter and more comfortable working environment, as well as reduces the potential for vibrations to affect other system components.

Overall, sheaves play a vital role in ensuring the smooth and efficient operation of cable and rope systems. Their ability to align, guide, distribute load, control tension, facilitate directional changes, and reduce friction and vibrations all contribute to the reliable and effective functioning of these systems.

pulley

What materials are typically used in the construction of sheaves?

Sheaves are constructed using a variety of materials, depending on the specific application and environmental factors. Here are some of the materials commonly used in the construction of sheaves:

  • Steel: Steel is a popular material for sheaves due to its strength, durability, and resistance to wear. It can handle heavy loads and high-speed applications, making it suitable for demanding industrial settings.
  • Cast Iron: Cast iron is another commonly used material for sheaves. It offers good strength and wear resistance and is particularly suitable for applications where shock absorption and vibration dampening are required.
  • Aluminum: Aluminum sheaves are lightweight, corrosion-resistant, and have good thermal conductivity. They are often used in applications where weight reduction is important, such as in aerospace and automotive industries.
  • Plastic: Certain types of plastics, such as nylon or high-density polyethylene (HDPE), are utilized in sheave construction. Plastic sheaves are lightweight, resistant to corrosion, and have low friction properties. They are commonly used in applications where noise reduction and non-magnetic properties are desired.
  • Bronze: Bronze sheaves are known for their excellent wear resistance and self-lubricating properties. They are commonly used in marine and offshore applications due to their corrosion resistance in saltwater environments.
  • Composite Materials: Composite materials, such as carbon fiber reinforced polymers (CFRP), are becoming increasingly popular for sheave construction. These materials offer high strength-to-weight ratios, excellent corrosion resistance, and reduced noise and vibration levels.

The choice of material depends on factors such as load capacity, operating conditions, environmental considerations, and cost. It is important to select the appropriate material to ensure the sheave can withstand the specific demands of the application.

China manufacturer Heavy Duty Wire Wheel Pulley Door Hanger Sheave for Elevator Spare Parts   pulley and belt	China manufacturer Heavy Duty Wire Wheel Pulley Door Hanger Sheave for Elevator Spare Parts   pulley and belt
editor by CX