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在工厂里,时有遇到单件或少量的短齿齿轮加工,若特制一专用短齿齿轮滚刀,不仅在时间上不允许,而且从经济上来考虑也不合算,故一般采用标准渐开线齿轮滚刀来滚切短齿齿轮。由于标准渐开线齿轮滚刀的齿顶高为1.25m,而短齿齿轮的齿根高为1.1m,两者相差0.15m.m 为齿轮模数,采用标准滚刀加工,当滚刀径向切深至短齿齿轮的全齿深时,短齿齿轮的固定弦齿厚尚有余量(?),而公法线长度上则有余量(?):
In the factory, sometimes encountered a single piece or a small amount of short tooth gear processing, if a special special short gear hob, not only not allowed in time, but also from the economic point of view is not cost-effective, so the standard involute Line gear hob to cut short gear. As the standard involute gear hob crest height of 1.25m, while the short tooth gear tooth root height of 1.1m, the difference between the two 0.15mm gear module, the use of standard hob processing, hob radial cutting As far as the full tooth depth of the short tooth gear is concerned, there is a margin (?) For the fixed chordal tooth thickness of the short tooth gear, while there is a margin (?) On the length of the common law line: