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一对螺旋齿轮的啮合线必在它们的法向平面里。作者根据这一原理推导出了计算滚刀切削刃的公式,给出了适用于非渐开线齿轮滚刀的通用程序。
The mesh of a pair of helical gears must be in their normal plane. Based on this principle, the author deduces the formula for calculating cutting edge of hob, and gives a general program suitable for non involute gear hob.