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在工厂现场常常采用比较简便的钢球法来测量圓锥孔的锥角大小。在这里除简述一下它的测量原理外,我们拟着重地谈一谈它的测量误差,供大家学习中参考。一、测量原理如图所示,钢球O_1和O_2的直径d_1和d_2是经预先测定的,现任取一垂直于锥孔轴线的平面作为测量基准面,例如图中取锥孔小端端面EF为测量基准面,并以此基准面作为XOY坐标面作一个空间直角坐标系OXYZ(下图是X方向的剖视图)。
In the factory site often use the more convenient ball method to measure the cone taper cone size. In addition to a brief description of its measurement principle, we intend to talk about its measurement error, for your reference in the study. First, the measurement principle As shown in the figure, the diameter of the ball O_1 and O_2 d_1 and d_2 are determined in advance, the current take a plane perpendicular to the axis of the taper hole as the measurement datum, for example, Datum plane, and use this datum as the XOY coordinate plane to make a space Cartesian coordinate system OXYZ (the figure below is a cross-sectional view in the X direction).