pulley sheave

pulley sheave

The grooved roller over which a cord or rope runs in a pulley block.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
This coupling also allows the hoist to be deployed with the drum positioned horizontally and the wire rope dropping directly off it, to avoid any noise generation from spooling over pulley sheaves. Achieving sub-50dB(A) noise levels at 1m away, the product has proven popular in the industry, particularly with live shows.
The main operating points to understand are the correct matching of rope and block, and how leverage works with changes in the number of pulley sheaves employed.
Essentially, the new V-element belt is an endless train of thin, trapezoid-shaped, metal plates, which are clamped in place with the axial force produced by hydraulic pressure on the pulley sheaves. The elements transmit torque by pushing on each other while the bands stretch.