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在机械加工中,零件上各型面(圆柱面、平面、圆弧面、内外槽型及虚交点尺寸)之间的形状及位置精度要求精确耐,检测工作是加工中的重要环节。这里介绍一种使用R表的方法对该类尺寸进行检测,R表的使用能使检测工作简化,且测量精度高,容易掌握。一、R表的分类及其制做方法 R表是旋转半径为一定数值的测量工具。做R表的方法有数种,既可用零件上或机床上己有的平面、孔及槽型做R表;也可用附加在机床、零件上的平面、
In machining, the shape and position accuracy of each type of surface (cylindrical surface, flat surface, circular arc surface, inner and outer groove type and imaginary intersection point size) on the part requires precise tolerance and testing work is an important part in processing. Here to introduce a method using the R table to detect the size of such class, R table can make the detection work to simplify, and the measurement accuracy, easy to master. First, the R table classification and its preparation method R table is a measurement of the radius of rotation of a certain value. There are several ways to make an R-meter. You can use the plane, hole, and groove that are already on the part or on the machine tool to do the R-meter. You can also use the plane attached to the machine tool and parts,