China supplier Custom Made JIS Hoist Rope Welded Sheave crankshaft pulley

Product Description

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.

Code Wire rope diameter(mm) Main dimension(mm)  D
Groove diameter Outside diameter R Groove Width Shaft diameter Bearing hole width
BX1321 10-14 450 495 7 37 55 70
BX2321 >14-19 560 620 10 50 80 86
BX3321 >19-23.5 710 781 12 60 95 106
BX4321 >23.5-30 900 990 15 73 130 122
BX5321 >23.5-30 1120 1232 19 92 160 142
BX6321 >30-37 1250 1376 22 104 160 142
BX7321 >43-50 1600 1752 26 123 190 182
BX8321 >50-58 1800 1972 29 135 190 182

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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.

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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,  

Application: Double Beam Crane, Gantry Crane, Bridge Crane, Tower Crane, Single Grinder Crane, Lifting Platform, Small Crane
Type: Electric Hoist
Sling Type: Wire Rope
Lift Speed: >8m/min
Maximum Lifting Height: >20m
Chain Falls: 1
Customization:
Available

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Customized Request

rope pulley

How do rope pulleys compare to other types of pulleys in terms of functionality?

Rope pulleys offer unique functionality compared to other types of pulleys. Here’s a detailed comparison:

1. Mechanical Advantage: Rope pulleys provide mechanical advantage by distributing the load across multiple sheaves and ropes. This allows for easier lifting and moving of heavy loads. Other pulley types, such as fixed pulleys or belt pulleys, do not offer the same mechanical advantage.

2. Directional Changes: Rope pulleys allow for directional changes in the path of the rope or cable. They enable the rope to be redirected as desired, providing flexibility and control in various applications. On the other hand, fixed or single-direction pulleys do not offer the same capability for directional changes.

3. Load Distribution: Rope pulleys distribute the load across multiple ropes or cables, reducing strain and preventing excessive stress on individual components. This load distribution helps improve safety and efficiency. In contrast, other pulley types may not provide the same level of load distribution.

4. Friction: Rope pulleys are designed to minimize friction between the rope and the pulley, allowing for smooth and efficient movement. Low-friction pulleys reduce energy losses and prevent unnecessary wear on the rope. In comparison, some other pulley types may have higher friction and may require additional lubrication to reduce friction.

5. Speed Control: Rope pulleys can be used to adjust the speed of the moving rope by incorporating pulleys with different diameters or groove configurations. This speed control feature is particularly useful in applications where precise control over the speed is required. Other pulley types may not offer the same level of speed control.

6. Flexibility: Rope pulleys provide flexibility in system design and configuration. They can be easily integrated into various setups, allowing for customized solutions based on specific requirements. Other pulley types may have more limited options for customization and flexibility.

7. Multiple Applications: Rope pulleys have a wide range of applications across different industries, including construction, manufacturing, transportation, and entertainment. Their versatility allows them to be used in diverse tasks and operations. While other pulley types may also have specific applications, rope pulleys are more commonly utilized in various scenarios.

8. Reduced Manual Handling: Rope pulleys reduce the need for excessive manual force, making manual handling tasks more efficient and less physically demanding. This can help minimize the risk of fatigue, strain, and injury for workers. Other pulley types may not provide the same level of assistance in reducing manual effort.

In summary, rope pulleys stand out in terms of their mechanical advantage, directional change capability, load distribution, reduced friction, speed control, system flexibility, wide range of applications, and assistance in manual handling. These unique functionalities make rope pulleys a versatile and efficient choice for many cable and rope-based systems.

rope pulley

How does the groove design of a rope pulley impact its performance?

The groove design of a rope pulley plays a significant role in its performance and the overall efficiency of the pulley system. Here’s a detailed explanation of how the groove design impacts pulley performance:

1. Friction and Wear: The groove design affects the frictional interaction between the rope and the pulley. A well-designed groove minimizes friction, reducing wear on both the rope and the pulley itself. Smooth and rounded groove profiles help prevent excessive abrasion or damage to the rope, leading to improved durability and longevity.

2. Grip and Traction: The groove design determines the grip and traction between the rope and the pulley. An appropriate groove profile ensures sufficient contact between the rope and the pulley, preventing slippage during lifting or movement. Adequate grip and traction are crucial for maintaining control and stability in the pulley system.

3. Efficiency and Mechanical Advantage: The groove design affects the efficiency of force transmission and the mechanical advantage obtained from the pulley system. A well-designed groove reduces energy losses due to friction, allowing for more efficient transfer of force. The shape, depth, and width of the groove influence the angle of rope contact and the distribution of force, impacting the mechanical advantage achieved.

4. Rope Compatibility: The groove design should be compatible with the type and diameter of the rope used. Different ropes have varying characteristics, such as flexibility, diameter, and surface texture. The groove design should accommodate the specific rope properties, ensuring proper fit and engagement. This compatibility ensures optimal performance and prevents rope slippage or damage.

5. Debris and Contaminant Clearance: The groove design should facilitate the clearance of debris, dirt, or contaminants that may accumulate during operation. Grooves with appropriate depth, width, and self-cleaning features prevent the build-up of foreign substances, maintaining smooth rope movement and consistent performance.

Overall, the groove design of a rope pulley impacts its performance by influencing friction, wear, grip, traction, efficiency, mechanical advantage, rope compatibility, and debris clearance. Engineers and designers consider these factors when selecting or designing pulleys to optimize performance, reduce wear and tear, and ensure safe and reliable operation of the pulley system.

rope pulley

What is a rope pulley, and how is it used in various applications?

A rope pulley, also known as a block or a sheave, is a wheel with a grooved rim designed to support and guide a rope or cable. It is used in various applications to provide mechanical advantage and facilitate the lifting, pulling, or redirecting of loads. Here’s a detailed explanation of the rope pulley and its diverse applications:

Basic Design: A rope pulley typically consists of a wheel or a series of wheels mounted on an axle. The wheel has a groove along its circumference that accommodates the rope or cable. Some pulleys may have a fixed axle, while others have a swivel mechanism that allows the pulley to rotate around the axle.

Mechanical Advantage: The primary purpose of a rope pulley is to increase the mechanical advantage in lifting or pulling operations. By redirecting the force applied to the rope, a pulley system can reduce the amount of effort required to move heavy loads. The mechanical advantage achieved depends on the number of pulleys used in the system. For example, a simple pulley system with a single fixed pulley provides a mechanical advantage of 1, while a block and tackle system with multiple pulleys can provide a much higher mechanical advantage.

Applications: Rope pulleys find applications in various fields and industries, including:

  • Construction and Rigging: Rope pulleys are extensively used in construction sites for tasks such as lifting building materials, operating cranes, and hoisting equipment. They are also employed in rigging operations to facilitate the movement and positioning of heavy objects.
  • Manufacturing and Warehousing: In manufacturing facilities and warehouses, rope pulleys are utilized in conveyor systems, material handling, and assembly line operations. They help guide and redirect belts or ropes, enabling efficient transport and movement of goods.
  • Outdoor Recreation: Rope pulleys play a crucial role in outdoor recreational activities such as rock climbing, mountaineering, and zip-lining. They are used in pulley systems to provide mechanical advantage and facilitate controlled movement, enhancing safety and efficiency.
  • Maritime and Boating: Rope pulleys are integral to maritime applications, including sailing systems, cranes on ships, and winches on boats. They assist in adjusting sails, lifting heavy loads, and maneuvering various equipment and rigging on vessels.
  • Rescue and Emergency Situations: Rope pulleys are employed in rescue operations, such as in mountain rescue or confined space rescue scenarios. They enable controlled lowering or raising of personnel and equipment, enhancing safety and facilitating efficient extraction.

Rope pulleys are versatile tools that offer flexibility and mechanical advantage in a wide range of applications. Their ability to reduce effort and increase efficiency makes them invaluable in tasks involving lifting, pulling, or redirecting loads in various industries and recreational settings.

China supplier Custom Made JIS Hoist Rope Welded Sheave   crankshaft pulley	China supplier Custom Made JIS Hoist Rope Welded Sheave   crankshaft pulley
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