The tooth profile error and longitudinal form error are calculated, and the change rule with setting Angle of them is got.
本文在推导出齿形误差计算公式的基础上，给出一种使齿形设计误差最小的最佳齿形角的求法。
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；
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。
If the normal section in the center of the tooth line is taken as a tooth measuring and design section, when spline hob is designed in a plane meshing, the tooth profile error is minimum.
如果以齿纹中点法剖面作为齿形检测和设计剖面，用平面啮合法设计花键滚刀时，则齿形误差最小。
Adopting the engaging process of the measuring rack - probe, the error of straight generatrix is measured, and by error analysis, the tooth profile error and tooth orientation error can be obtained.
采用刃边齿条测头，测量齿轮廓面的直母线偏差，通过误差分析分离出齿廓总偏差和螺旋线总偏差。
Adopting the engaging process of the measuring rack - probe, the error of straight generatrix is measured, and by error analysis, the tooth profile error and tooth orientation error can be obtained.
采用刃边齿条测头，测量齿轮廓面的直母线偏差，通过误差分析分离出齿廓总偏差和螺旋线总偏差。
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