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A brake is a mechanical device which restrains motion. A drum brake is a brake that uses friction caused by a set of shoes or pads that press against a turning drum-shaped part called a brake drum. The brake drum is a critical component that encounters high temperatures and develop thermal stresses during application of brakes. In expansion, the application of shoe pressure gives rise to mechanical loads. The energy retained by brakes is dissipated in the form of heat. This heat is scattered in the surrounding atmosphere to stop the vehicle. So the examination takes into account both the thermal stresses and mechanical stresses together. During the brake applied the brake drum components experience high temperature and thermal stress. Due to this
the drum brake material should possess a high thermal conductivity, thermal capacity and high strength. Generally, safety parts of LPO1618 TATA vehicle and trucks are brakes, the common material are used for drum brake is cast iron. A model is created with the help of software CATIA .
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