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介绍了圆柱齿轮螺旋线偏差的含义及其评定参数新旧国家标准的差异阐述了用展成法测量螺旋线偏差的原理,并通过实例说明了展成法的测量方法。
This paper introduces the meaning of helical deviation of cylindrical gear and the difference between the old and new national standards. The principle of measuring the helix deviation by the spreading method is expounded. The measuring method of the spreading method is illustrated by an example.