greenlee wire pulling sheaves

Introduction to Greenlee Wire Pulling Sheaves

1. Durable Construction

The Greenlee wire pulling sheaves are crafted with high-quality materials to ensure durability and long-lasting performance.

2. Smooth Operation

These sheaves are designed for smooth operation, providing efficiency during wire pulling tasks.

3. Various Sizes Available

Greenlee offers a range of sizes for wire pulling sheaves to accommodate different wire diameters and pulling requirements.

4. Easy Installation

These sheaves are easy to install, saving time and effort during wire pulling tasks.

5. Reliable Performance

Greenlee wire pulling sheaves are known for their reliable performance, making them a trusted choice for professionals.

Types of Sheave Pulleys

1. Fixed Pulleys

Fixed pulleys have a stationary axle and are used to change the direction of the force applied to the rope or cable.

2. Movable Pulleys

Movable pulleys have a pulley that moves with the load, offering mechanical advantage to the user.

3. Compound Pulleys

Compound pulleys combine multiple fixed and movable pulleys to provide increased mechanical advantage for heavy lifting.

4. Block and Tackle Pulleys

Block and tackle pulleys consist of multiple pulleys mounted on a block, allowing for efficient lifting of heavy loads.

5. Snatch Blocks

Snatch blocks are designed to be attached to an anchor point and are used to redirect the path of a rope or cable.

6. Idler Pulleys

Idler pulleys are used to route a belt around a motor pulley, maintaining tension and alignment in the system.

What is a Sheave on a Pulley

1. Definition

A sheave on a pulley is a wheel with a groove used to guide a cable or rope and change the direction of a force.

2. Function

The sheave helps to reduce friction and wear on the cable or rope, improving the efficiency of the pulley system.

3. Components

A sheave typically consists of a wheel, axle, and bearings to facilitate smooth rotation and movement of the cable.

4. Materials

Sheaves are commonly made from materials such as steel, aluminum, or nylon, depending on the application requirements.

5. Size Variations

Sheaves come in various sizes to accommodate different cable diameters and load capacities.

What are Sheaves Used For?

1. Load Distribution

Sheaves are used to distribute the load evenly across multiple ropes or cables in a pulley system.

2. Directional Change

Sheaves help change the direction of a force applied to a cable or rope, allowing for efficient movement of loads.

3. Mechanical Advantage

Sheaves provide mechanical advantage by reducing the amount of force required to lift or move heavy objects.

4. Tension Adjustment

Sheaves are used to adjust the tension in a cable or rope, ensuring proper alignment and functionality.

5. Speed Control

Sheaves can be used to control the speed of a moving object by changing the diameter of the sheave.

6. Multipurpose Applications

Sheaves are versatile components that find applications in industries such as construction, transportation, and manufacturing.

Process of Sheave Pulley

spa pulley


The mold is created based on the design specifications for the sheave pulley.


The raw materials are melted and poured into the mold to form the shape of the sheave pulley.

Raw Materials

High-quality materials such as steel or aluminum are used to ensure the durability and performance of the sheave pulley.


The sheave pulley is manufactured according to strict quality standards and production processes.


Each sheave pulley undergoes rigorous testing to ensure it meets the required specifications and performance standards.

Antirust Treatment

The sheave pulley is treated with anti-rust coatings to protect it from corrosion and extend its lifespan.

Separate Inspection

Each sheave pulley is inspected individually to identify any defects or inconsistencies in the manufacturing process.


The sheave pulley is marked with relevant information such as size, load capacity, and manufacturing date for easy identification and tracking.

How do you adjust sheave pulleys?

1. Loosen the Set Screw

sheave pulley

Start by loosening the set screw on the sheave pulley to allow for adjustment.

2. Adjust the Position

Move the sheave pulley to the desired position along the shaft to change the tension or alignment of the cable.

3. Tighten the Set Screw

Once the adjustment is made, tighten the set screw securely to lock the sheave pulley in place.

4. Check Alignment

Ensure that the sheave pulleys are properly aligned with the other components of the pulley system for smooth operation.

5. Test Functionality

Test the sheave pulleys by applying a load to the system to verify that the adjustment has been successful.

6. Make Fine Adjustments

If necessary, make fine adjustments to the position of the sheave pulleys to optimize performance and efficiency.

7. Regular Maintenance

Perform regular maintenance on the sheave pulleys to ensure they continue to function effectively over time.

About HZPT

sheave Pulley

HZPT was established in 2006 and is a leading manufacturer of precision transmission components headquartered in Hangzhou. We specialize in producing various machined parts and can customize products to meet your specific requirements. Before establishing our overseas sales team, we started production of 3D printer accessories, anti-theft screws and nuts, camera mounts, and more. In addition, we offer assembly production services to streamline the process and save time and costs. Our commitment is to provide the highest quality products, competitive prices, and excellent service to customers in Europe and America. Choose HZPT for superior products and services!