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17CrNiMo6 steel gear shaft distortion

As an important part of transmitting power, gear shaft is widely used in transmission or reducer parts of heavy industrial equipment such as agricultural machinery, transportation and mining machinery. Its service environment is extremely harsh. While transmitting power, it also has to bear high-strength alternating load and impact load....

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Forging folding defect of transmission second shaft gear

Folding is a common defect in gear forging production, which is formed by the local convergence of oxidized metal surfaces at high temperature and pressed into the forging. On the machined surface, it is generally difficult to distinguish between gear forging folding and cracks in appearance, but the tail...

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Parallel shaft pure rolling internal meshing line gear

Due to the complex tooth profile of traditional industrial gears, it is very difficult to miniaturize and micro nano application. In 2007, Chen Yangzhi put forward the meshing theory of spatial curve, through which the “simple entity” constructed by spatial curve instead of the traditional “complex entity” constructed by...

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