Taking the straight-line-rack as the tool the error of straight generatrix is measured and by error analysis the tooth profile error and tooth orientation error can be obtained.
以刃边齿条为工具，测量廓面的直母线族误差，通过误差处理与分析获得齿廓总偏差和螺旋线总偏差。
The mathematical model to evaluate the tooth profile error of the sector by using the minimum least square method and the minimum zone method is given.
给出了齿扇齿形误差的最小二乘评定与最小区域评定的数学模型；
Calculates the tooth profile Angle of pinion cutters with the corrected formula of tooth profile Angle. However, under this condition, the tooth profile designing error is not smallest.
插齿刀的齿形角一般按齿形角修正公式来求，但此时的齿形设计误差不是最小。
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