Bullmer)和拓卡(Topcut)两家知名企业,并新成立了拓卡奔马(Topcut—bullmer)公司。
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Table-topcut 即台面车工
The equabions on tooth shape of internal gear by means of envelope method is derived and the pressure angle, inflection point, curvature, topcut are analysised in detail.
用包络法导出了内齿轮的齿形方程,对压力角、曲率、拐点、顶切进行了详细分析,并给出了计算公式。
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