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B483 screw brake drum

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Place of Origin: China - Shandong - Yantai
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Product Details

The double-layer frame brake drum is composed of a brake drum body, a spiral reinforcing rib or a vertical reinforcing rib and an annular rib. On the basis of reducing the wall thickness of the brake drum body, a spiral reinforcing rib or a vertical reinforcing rib is arranged on the surface of the brake drum, and an annular rib is added on the outer side to ensure that the annular reinforcing rib and the brake drum body are 6 mm--- 10mm gap.

During the use of the brake drum, the temperature rises to 300 ° C, and its mechanical performance drops significantly. Thermal fatigue has always been the main cause of failure of the brake drum. In order to improve the heat dissipation and ensure the mechanical performance of the brake drum, increase the surface area of the brake drum. Taking the 300-bridge brake drum as an example, the surface area of the brake drum before the improvement is 0.965 square meters, and the improvement is 1.264 square meters, which is increased by 31%. At the same time, the wall thickness of the brake drum body is reduced, which is beneficial to the heat transfer.

  


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