Review of Design And Development of Precision Sheet Metal Pulley

Mechanical Engineering

A Pulley is one of the oldest devices ever made, it is simply a part that either allows a rope to move in two directions very smoothly, or can be used in multiples to ease lifting loads, for instance someone with a set of pulleys can lift a large weight with only a fraction of the actual weight needed based on the actual number of pulley wheels used. A pulley on a car, is slightly different, it is commonly used to transmit power from one point on the engine to another, as it is lighter and quieter than using a chain or a pile of gears. Basically a belt either lined with teeth or simply a v shape is placed over the center of the pulley and tightened, the friction of the belt due to its tightness transmits the turning force (torque) from one pulley to another, therefore moving the power from one pulley to another.

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