And has studied this medium rack tooth profile curve structure method.
并研究了这种媒介齿条齿廓齿形曲线的构造方法。
A new_type die for hot fine forging internal gears was put forward. The structure principle of the die and the method for designing and machining the tooth profile of the die were discussed.
提出内齿轮热精锻成形的新型模具，论述了模具结构和模具齿形设计加工方法。
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