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What is a sheave ?

Posted by TJ on 4/3/2020 to Learn

A sheave is a simple machine consisting of a wheel with a grooved edge. Rope, chain, line, or wire rides in the sheave groove and makes a directional change of up to 180 degrees with minimal friction and without chafe.

Sometimes the sheave or pulley is fixed in a block. The use of multiple units results in a mechanical advantage where a specific effort can lift a heavier amount. 

iSheaves has a large variety of stock sheaves available ranging in size from 4" to 48". In addition custom sheaves can be fabricated from Aluminum, Steel or Cast Nylon to meet your specific needs, often faster and at lower cost than the original OEM. Please use our "instant quote" service or contact us at [email protected] or 973-742-4800.
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