variable speed belt drive

A tensioner belt pulley is typically constructed from durable materials such as metal or high-grade plastic, designed to withstand the high temperatures and stresses present in an engine environment. The pulley is mounted on a pivot arm, allowing it to move as the belt tension changes. Most modern tensioners are equipped with a spring mechanism that automatically adjusts the tension on the belt, providing a consistent and precise amount of tension regardless of engine speed or load.


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