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滚齿时的齿胚切入长度(下称切入长度),在有关书刊文献中,其计算式各不同,计算结果差值也较大,且与实际滚齿不相符合,对正确计算定额工时和合理设计夹具垫的高度是不利的。为求得正确的理论计算,作者分析了滚刀切入情况,从斜齿轮滚齿入手,通过试件试验及实测,得出了一个比较符合切齿实际的切入长度计算公式。
Hobbing tooth tooth cut into the length (hereinafter referred to as cut length), in the literature and publications, the calculation of different, the calculated difference is larger, and with the actual hobbing do not coincide, the correct calculation of fixed working hours and It is unfavorable to design the height of the clamp pad reasonably. In order to get the correct theoretical calculation, the author analyzes the cut-in condition of the hob. Starting from the hobbing of the helical gear, through the test of the specimen and the actual measurement, the author obtains a cut-in length calculation formula which is more in line with the actual incision.