Sheave Block SBW/SBM type

Name: Sheave Block SBW/SBM type
Brand: H-Lift Industries Co Ltd
SKU: 1706, 1707
Availability: InStock
Rating: 5 (1 reviews)

No.1706, 1707

The Sheave Block is a durable cast iron pulley designed for manual lifting and pulling operations, equipped with standard bronze bushes for smooth performance.

Wire Rope Type (SBW): Features a specially hardened sheave grooved to withstand the abrasive wear of steel cables.
Manila Rope Type (SBM): Designed with a wider, smoother groove to safely accommodate natural or synthetic fiber ropes without fraying.
Robust Construction: Manufactured from solid cast iron to ensure maximum durability and reliability in manual rigging tasks.
Smooth Operation: Comes standard with high-quality bronze bushes for efficient, low-friction rotation under load.

Technical Data
What is a Sheave Block ?

*Note: Ensure the groove matches your rope type to prevent premature wear.

Product Features

Application Specific Design: Choose the correct wheel to maximize rope lifespan:
SBW Type (Yellow): Hardened groove for Wire Rope to withstand high-pressure abrasion.

SBM Type (Red): Smooth, wide groove for Manila or Fiber Rope to prevent fraying and heat buildup.
Cost-Effective Maintenance: Replace only the worn component instead of the entire block assembly.
Compliance: Manufactured to AS/NZS 2089 standards for Australian/New Zealand quality assurance.
Bronze Bushes: Self-lubricating bushes come standard for smooth rotation under heavy loads.
Durable Cast Iron: High-grade construction with anti-corrosion painted finish.

Technical Specifications

Item No.	Sheave Dia.	Rope Dia.	Main Dimensions (mm)				Product Code
Item No.	mm	mm	A (Groove)	B (Hub Width)	C (Bore)	E (Depth)	Product Code
SBW TYPE - For Wire Rope (Hardened Groove)
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	19.0	24.5	23.0	8.0	1706100008
SBW125010	125	10	22.0	29.5	27.0	11.0	1706125010
SBW150010	150	12	25.0	32.0	30.0	12.7	1706150010
SBW200016	200	16	35.0	46.0	44.0	16.0	1706200016
SBM TYPE - For Manila / Fiber Rope (Smooth Groove)
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	19.0	24.5	23.0	6.4	1707100016
SBM125020	125	20	22.0	29.5	27.0	7.1	1707125020
SBM150024	150	24	25.0	32.0	30.0	8.0	1707150024
SBM200032	200	32	35.0	46.0	44.0	11.0	1707200032

A sheave block, also known simply as a sheave, is a fundamental mechanical component consisting of a grooved wheel designed to hold, guide, and support a rope or cable. These components are essential in industrial, construction, maritime, and transportation sectors.

Key Functions of a Sheave

Change Direction: Sheaves are primary tools for redirecting the path of a rope or cable, allowing loads to be pulled or lifted around corners and obstacles.
Increase Mechanical Advantage: By integrating multiple sheaves into a block and tackle system, you can significantly multiply lifting force, making it possible to move extreme weights with reduced effort.
Reduce Friction & Wear: The precision-machined grooved design minimizes direct friction between the cable and the housing. This is critical for preventing wear and extending the lifespan of expensive wire ropes.
Maintain Tension: Sheaves act as tensioners, ensuring that ropes stay within their intended track and do not become slack, which is vital for rigging safety.

Materials & Configurations

Sheaves are engineered in various sizes and configurations to meet specific environmental and load requirements. Common materials include:

Steel / Cast Iron: For heavy-duty industrial and construction lifting.
Aluminum: Used where weight reduction is prioritized without sacrificing strength.
Nylon / Plastic: Ideal for lighter loads or environments where corrosion resistance and quiet operation are required.

In Summary:

Sheave blocks are indispensable rigging components that facilitate load redirection, multiply pulling power, and protect your cables from premature failure.