Sheave Block SBW/SBM type

Item No.: 1706, 1707
Sheave blocks are manufactured from cast iron, they are designed for manual operation and come complete with bronze bushes as standard. Sheave blocks have been specially designed for use with wire rope or manila rope.
Description What is a Sheave Block ?
Description
Sheave blocks are manufactured from cast iron, they are designed for manual operation and come complete with bronze bushes as standard. Sheave blocks have been specially designed for use with wire rope or manila rope.

Sheave blocks/Sheave Wheels are available to replace worn or damanged wheels and protect your wire ropes or manila ropes from damage.
Manufactured for ease of operation, lightweight durable and compact design.

Complies with AS/NZS 2089.
Finish: Yellow-wire rope
Finish: Red-manila rope

Sheave Block, H-Lift China


ITEM NO. Sheave Dia. Rope Main Dimensions (mm) Product Code
mm mm A B C E
SHEAVE BLOCK FOR WIRE ROPE, SBW TYPE  
SBW063005 63 5 12.5 20.5 19.5 4.8 1706063005
SBW075006 75 6 12.5 20.5 19.5 6.4 1706075006
SBW100008 100 8 19 24.5 23 8 1706100008
SBW125010 125 10 22 29.5 27 11 1706125010
SBW150010 150 12 25 32 30 12.7 1706150010
SBW200016 200 16 35 46 44 16 1706200016
SHEAVE BLOCK FOR MANILA ROPE, SBM TYPE  
SBM063010 63 10 12.5 20.5 19.5 3.2 1707063010
SBM075012 75 12 12.5 20.5 19.5 4.8 1707075012
SBM100016 100 16 19 24.5 23 6.4 1707100016
SBM125020 125 20 22 29.5 27 7.1 1707125020
SBM150024 150 24 25 32 30 8 1707150024
SBM200032 200 32 35 46 44 11 1707200032
What is a Sheave Block ?

A sheave block, also known simply as a sheave, is a type of pulley with a grooved wheel designed to hold and guide a rope or cable. Sheaves are commonly used in various applications, including industrial, construction, maritime, and transportation. They serve several important functions:

  • Change Direction: Sheaves are used to change the direction of the rope or cable. When a rope or cable passes over a sheave, it changes its path, allowing it to be redirected as needed.
  • Increase Mechanical Advantage: By using multiple sheaves in a block and tackle system, you can increase the mechanical advantage, making it easier to lift heavy loads. This is a fundamental principle in mechanical advantage systems.
  • Reduce Friction: The grooved design of the sheave wheel reduces friction between the rope or cable and the wheel, which is particularly important when lifting heavy loads. Reduced friction minimizes wear and tear on the rope or cable.
  • Maintain Tension: Sheaves can also help maintain tension in a rope or cable, preventing it from becoming slack, which is crucial in applications like lifting and rigging.

Sheaves come in various sizes and configurations, depending on their intended use. They can be made from different materials, such as steel, aluminum, or plastic, depending on the application's requirements.


In summary, sheave blocks are essential components in many mechanical systems, helping to change the direction of ropes or cables, increase mechanical advantage, reduce friction, and maintain tension.

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