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本文推导出了麻花钻锥面刃磨时横刃后角及横刃前角的公式，通过实际计算给出了它们的取值范围、并分析了横刃上各点的后角和前角的变化规律及二者之间的关系。
In this paper, the formulas of the chisel rake angle and the rake angle of the chisel edge when taper sharpening are deduced are given. The range of their value is given through the actual calculation. The relief angle and rake angle Changes and the relationship between the two.