编辑部: 贵刊1997年5期P47刘传顺先生的〈对“渐开线圆柱齿轮公法线跨齿数计算”的商榷〉一文中,提到关于测量点问题。我认为: 1.单纯从齿形测量范围有效性讲,d_x圆比较理想,但从判断齿轮的性能的合适性讲,d_w圆要简单实用些。当忽略削顶时,两者统一。前文(即贵刊1996年 Editorial department: your publication 1997 the 5 period p47 liu chuan shun “on the” involute cylindrical gear common crossbeam calculation of number of teeth "discussion in one article, referred to on the measurement point. I think: 1. Simply speaking from the validity of the tooth profile measuring range, d_x circle ideal, but judging the appropriateness of the gear performance, d_w circle to be simple and practical. When ignored, the two are unified. The previous article (ie your 1996 edition