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关于圆弧齿轮公法线测量尺寸计算方法,早在1961年间,作者和李华敏、郭克强、刘健、邱华仲等同志已经分别从不同观点出发推导出可以相互转化的一致结果。近年来又有芦贤钻、闻智福、徐文周、陈文菁等不少同志又从螺旋面一般公式重新怍了推导,但所得结果仍和[1]完全一致。导致大家对这个问题反复审议的原因,主要是生产实践中发现公法线尺寸和齿根圆直径的测量结果有时互相矛盾、甚至差别相当显著。这件疑案,经有关工厂同志细心地深入调研,发现凡是出现上述情况时,滚刀齿形必定畸变。齿形误差很大或者歪斜,或者是滚刀安装角有误。对于双圆弧齿轮,出
As for the method of calculating the common normal of arc gear, as early as 1961, the authors and Li, Huamin, Guo Keqiang, Liu Jian, Qiu Huazhong and other comrades have deduced from the different points of view the consistent results that can be transformed into each other. In recent years, many other comrades, including Lo Yin-drilling, Wen Zhi-fu, Xu Wen-zhou and Chen Wen-jing, have reintroduced them from the general formula of the helical plane. However, the results obtained are still entirely consistent with [1]. The reason that led to the repeated consideration of this issue is that the measurement results of common normal line size and root circle diameter found in production practice sometimes contradict each other and even the differences are quite significant. This mystery, the factory comrades carefully in-depth research and found that whenever there is such a situation, the hob must be skewed. Large toothed error or skew, or hob mounting angle is incorrect. For double arc gear, out