Published on 2nd Nov '11 23:14
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Brakes are machine elements that absorb kinetic or potential energy in the processes of slowing down or stopping a moving part. The absorbed energy is dissipated as heat. Break capacity depend upon unit pressure between the breaking surfaces, the coefficient of friction and ability of the brake to dissipate heat equivalent to energy absorbed. The performance of brake is similar to that of clutches except the clutches connect one moving part to another moving part, where brake connects a moving part to a frame.