The results show that the failure of the brake hub is caused by the improper heat treatment operation.

结果表明，刹车轮毂的失效主要是由于热处理工艺不当造成的。

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The rim, spoke and the brake hub are cast into a whole; the spoke takes a shape of an arc on the whole.

所述的轮辋、辐条及刹车毂铸造成一个整体，所述辐条整体呈弧形。

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For matching the demand of local carmakers, it is discussed in this paper that the software and hardware designing and the principle of the new type brake hub fatigue testing device of car.

针对国内汽车生产厂家的需求，本文就新型汽车刹车制动毂疲劳试验机的软硬件设计及工作原理进行论述。

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