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本文主要用矢量运算方法解决车刀各角度关系,推导出车刀主截面中角度与纵横截面中角度关系式,工作前角γg 与刃倾角λ关系式及γg 与 V_y(纵向走刀速度)关系式,从理论上验证在不削弱刀刃强度及散热条件情况下采用正的刃倾角λ可以获得大的实际工作前角γg,和米用低工件转速高的 V_y 也可以使实际工作前角γg 增大,从而使切削更加轻快。此外,文中用矢量来定义各辅助平面工作角度,使之更为确切而且适应各种情况。
In this paper, the relationship between the turning angle and the cross section in the main cross-section of the turning tool is deduced by vector calculation. The relation between the working angle γg and cutting angle λ and the relationship between γg and V_y (longitudinal cutting speed) In theory, it can be verified theoretically that a large actual working angle γg can be obtained by using a positive cutting angle λ without impairing the blade strength and the heat dissipation condition, and V_y with a high speed for low workpieces can also make the actual working angle γg increase Large, so cutting more light. In addition, the paper uses the vector to define the working angle of each auxiliary plane to make it more accurate and adapt to various situations.