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本测量方法是在万能测长仪上用“电眼”作定位指示的一种接触量法。测量装置如图1所示,使用这个方法只需自制如图2的测杆,并安装上测中径时所用的测球即可。其操作方法如下:1.在仪器的工作台上加装绝缘工作台6;在测量主轴1的右端套装专用测杆4,左端挂上重锤。2.将被测环规5装固在绝缘工作台上后,使测杆的球端与环规的端面接触,转动微分筒8和手
The measurement method is a universal measuring instrument with “electric eye” as a location of a contact method. Measuring device shown in Figure 1, using this method only homemade test rod as shown in Figure 2, and installed on the measured diameter when the ball can be used. The operating method is as follows: 1 in the instrument table to install insulation table 6; measuring spindle 1 set the right end of the special test rod 4, the left hanging heavy hammer. 2. The measured ring gauge 5 mounted on the insulating workbench, the rod end of the rod and ring gauge contact end, turn the differential cylinder 8 and hand