China manufacturer Stainless Steel 304 Marine Pulley Rope Crane Wheel Lifting Grabs Sheave wholesaler

Product Description

 

Product Description

Product Description

Item Sheaves/Pulleys
Design Can be at the customer’ request, tailor-made, at customer’s design
Application Cranes, lifting hooks, lifting grabs, lifting beams
Material SAE4140, SAE4150, SAE4160, 42CrMo, 42CrMo4,SAE1045,45#, stainless steel 410,stainless steel 304
Standard UIC 811-1, EN13261, GOST 31334, IRIS 16/95, KSR 9220, BS 5892, JIS E4502, TB/T 2945
Size From diameter 250mm to 1250mm.
Minimum order 1 pc

Manufacturing Process

1.Free forged or module forged
2.Rough machining process, to remove the surface forged oxidized black leather.
3.100% Ultrasonic Test ASTMA388
4.Heat Treatment according to request, Normalized, Quenched, Tempered….
5.Hardness test
6.Finishing Process to the dimensional state required by the drawing.
7.100% Magnetic Test ASTM E709 and 100% dimensional test
8.Painting or oil protecting TECTYL 506 or similar
9.Packing with boxes

Data Needed for Quotation

– Your own drawing
– Your requirement on material and necessary dimensional data
– Ask for recommend
 

Company Profile

  ZheJiang CHINAMFG Machinery Co., Ltd., established in the year of 2012, is a professional supplier of material handling equipment, OEM machinery parts, various forging parts and casting parts.

  Ebon’s products scope: cranes, hoists, magnets, grabs, hooks, wheels, drums, axles, lifting beams,bearing box, bearings, couplings,flanges etc. They are applied in wide range of field: Machinery, Mining, Hydro power Transportation, Construction…..

  CHINAMFG has 5 reliable manufacturing factories to make sure stable supply and fast delivery for your business.  

  Our products are also exported to USA, Britain, Japan, South Korea, Russia, Indonesia, Thailand, India, Vietnam, Canada, Argentina, Paraguay etc more than 50 countries.

  CHINAMFG team is loyal and committed to your success, and firmly believes that our products and services will increase the value and effectiveness of your business with following characters:
  -Professional sales team, market promotion team and logistics team with more then 10 years experience .
  -Loyal and Responsible Characters
  -Efficient Work, Fast Response
  -Responsible Quality Control Team
  -Video the manufacturing process, the testing, and packing before delivery  
1.Q: How about your delivery time?
   A: Generally, it will take 7-30 days after receiving your advance payment. The specific delivery time depends on the items, transportation ways and the quantity of your order.

2.Q: Can you produce according to the samples?
   A: Yes, we can produce by your samples or technical drawings.

3.Q: Do you test all your goods before delivery?
   A: Yes, we have 100% Ultrasonic test, Magnetic test or Liquid Penetration test before delivery

4.Q: How do you make our business long-term and good relationship?
   A: (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.

5.Q: I can’t see the goods or touch the goods, how can I deal with the risk involved? 
   A: Our quality management system conforms to the requirement of ISO 9001:2015 verified by DNV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.

 

Processing Object: Metal
Molding Style: Forging
Molding Technics: Pressure Casting
Application: Machinery Parts
Material: Steel
Heat Treatment: Quenching
Customization:
Available

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Customized Request

rope pulley

What is the significance of rope diameter in selecting the right rope pulley?

The rope diameter plays a significant role in selecting the right rope pulley. Here’s a detailed explanation:

1. Compatibility: The rope diameter must match the groove size of the pulley. Choosing a pulley with a groove that is too small for the rope diameter can result in excessive friction, wear, and potential damage to the rope. Conversely, selecting a pulley with a groove that is too large may cause the rope to slip or become unstable during operation. Therefore, selecting a rope pulley that is compatible with the specific rope diameter ensures proper engagement and efficient functioning.

2. Load Capacity: The rope diameter directly affects the load capacity of the pulley system. Thicker ropes typically have higher load-bearing capabilities due to their increased strength and durability. When selecting a rope pulley, it is crucial to consider the anticipated load requirements and choose a pulley that can safely support the expected loads for the given rope diameter.

3. Bending Radius: The rope diameter determines the minimum bending radius required for the rope to pass through the pulley. Using a pulley with a smaller bending radius than the rope diameter can cause excessive strain and deformation of the rope, leading to premature failure. It is essential to select a rope pulley that accommodates the bending radius recommended for the specific rope diameter to ensure the longevity and reliability of the system.

4. Efficiency: The rope diameter also affects the overall efficiency of the pulley system. Thicker ropes generally have lower flexibility and increased resistance to bending, which can result in higher friction losses within the pulley. Choosing a pulley with an appropriate groove size for the rope diameter helps minimize friction and energy losses, improving the overall efficiency of the system.

5. Application Specifics: Different applications may require specific rope diameters based on factors such as load requirements, environmental conditions, and safety considerations. For example, heavy-duty applications may necessitate thicker ropes to handle larger loads, while lighter applications may utilize thinner ropes for easier handling and reduced weight. Selecting the right rope pulley involves considering the application-specific requirements and matching them with the appropriate rope diameter.

6. Manufacturers’ Recommendations: It is important to consult the manufacturers’ recommendations and guidelines for selecting the right rope pulley based on the rope diameter. Manufacturers often provide specifications and compatibility charts that outline the suitable pulley options for different rope diameters. Following these recommendations ensures optimal performance, safety, and reliability of the rope pulley system.

Considering the significance of rope diameter in selecting the right rope pulley is crucial for ensuring proper engagement, load capacity, bending radius compliance, efficiency, application suitability, and adherence to manufacturers’ guidelines. By choosing a rope pulley that matches the specific rope diameter, the overall performance and longevity of the pulley system can be maximized.

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 manufacturer Stainless Steel 304 Marine Pulley Rope Crane Wheel Lifting Grabs Sheave   wholesaler China manufacturer Stainless Steel 304 Marine Pulley Rope Crane Wheel Lifting Grabs Sheave   wholesaler
editor by CX