The discussion mainly aims at the precision of straightgear products which are produced by powder metallurgy technology.
主要针对粉末冶金制造的直齿轮产品进行精度之探讨。
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According to the volume oil formula of the straightgear pump, the volume oil formula of the helical gear pump is got and the helix Angle no trapping is found.
In this paper introduce the calculation method and example of processing the big prime number straightgear apply the method for calculating the logarithm dispart tooth in Y54 gear shaper.