Designing of external gear shaper cutter with large tip relief Angle can improve the meshing quality.
滚刀、插齿刀设计成较大的修缘角，有利于提高啮合质量。
This paper concludes the designing of the external tooth shaping cutter for tooth tip relief as a double-aimed optimization problem and proposes a mathematic model of optimum design.
把修缘角外插齿刀的设计归结为一个双目标的优化问题，建立了优化设计的数学模型。
The algorithm and formulas to determine the size of tip relief modification of pre shaving gear hobs are put forward. A principle to determine the lead width of tooth roots is also presented.
给出了剃前齿轮滚刀修缘尺寸的计算方法和计算公式，并对滚刀齿根的齿间槽宽提出了更为合理的判断原则。
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