Description
Belts are the cheapest utility for power transmission between shafts that may not be axially aligned. Power transmission is achieved by specially designed belts and pulleys.
The demands on a belt-drive transmission system are large, and this has led to many variations of belts. They run smoothly and with little noise and cushion motors and bearings against load changes, albeit with less strength than gears or chains. However, improvements in belt engineering allow the use of belts in systems that only formerly allowed chains or gears.
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