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一、采用小钢圆柱测量大工件在我们矿山企业机修中,经常遇到较大的盘形破碎零件。由于工件直径较大,无法采用游标卡尺量弦长的方法求直径。我们采用两根小钢圆柱测量的方法解决了问题。具体方法如图1所示:在测量时大圆(工件)应和直线相切,两小圆柱应和大圆外切和直线相切。小圆柱的精度应较高,锥度和椭圆度应较小,否则会有误差。已知测量长度L和小圆柱直径d
First, the use of small steel cylinder measuring large parts In our mine business mechanization, often encounter larger disc-shaped parts. Due to the larger diameter of the workpiece, you can not use vernier caliper chord length method to find the diameter. We use two small steel cylindrical measurement method to solve the problem. The specific method shown in Figure 1: Great circle (workpiece) should be tangent to the line in the measurement, the two small cylinder and outer circle tangent and straight line. Cylindrical precision should be higher, taper and ovality should be smaller, otherwise there will be errors. Known measuring length L and small cylinder diameter d