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对于内孔键槽对称度的测量,基准轴线中心模拟较困难。目前,工厂还没有一种适合现场快速测量的装置。针对这种情况,笔者特设计了一种快速测量内孔键槽对称度的装置,具有结构简单,使用调整方便,测量效率高,测量精度好等优点。一、装置结构图1是该装置的结构,由孔基准轴线中心自动模拟器和孔键槽对称度测量器两大部分所组成。 1.孔基准轴线中心自动模拟器孔基准轴线中心自动模拟器是按普通游标卡尺测量工件内孔的原理设计的,因此,该部分不但能自动模拟被测工件孔的基准轴线中心,而且还能对孔进行直接测量(测量精度为0.02)。该部分由主尺、副尺(游标)、螺杆、可调旋钮等零件组成。主尺固装在测量基
For the symmetry of the keyway measurement, the center of the reference axis is more difficult to simulate. At present, the factory does not yet have a device that is suitable for quick field measurements. In response to this situation, I designed a special device for rapid measurement of the symmetry of the keyway slot, with the advantages of simple structure, easy to use adjustment, high measurement efficiency, and good measurement accuracy. First, the device structure Figure 1 is the device structure, by the hole center of the reference axis of the automatic simulator and keyhole symmetry measuring device composed of two parts. 1. Hole center of the reference axis of the automatic simulator hole axis of the center of the automatic simulator is based on ordinary vernier caliper measurement of the principle of the hole in the workpiece design, so that part of the workpiece can not only automatically simulate the reference axis of the workpiece hole center, but also right Hole for direct measurement (measurement accuracy of 0.02). This part consists of the main ruler, ruler (cursor), screw, adjustable knob and other components. The main ruler is fixed on the measuring base