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我厂生产的轴承套之类的零件很多,过去使用一般杆状内径表测量孔径时,既由于测杆细长,受机床刀架妨碍,不易量准,而且更成问题的是,由于产品批量大,测头及定中心架磨损很快,难以修复,造成量具供不应求,停工停产。为了改变这种情况,我们自行制造了一种手枪式硬质合金内径表,可测Φ25～100毫米的孔径,经检定符合内径表标准要求。实践证明,延长了寿命,使用方便。内径表的结构如图所示。胶木手柄1用四个稳定销6固装在机匣2上。等臂杠杆3用销钉4装在机匣2的滑槽内,能灵活
I plant a lot of parts such as bearing sets, the past use of general rod diameter meter aperture measurement, both because of the rod slender, by the machine tool holder obstruction, not easy to measure, but more problematic is that due to product volume Large, measuring head and center frame wear fast, difficult to repair, resulting in short supply, stop production. In order to change this situation, we have created a pistol-type carbide inner diameter gauge that can measure Φ25 ~ 100mm aperture, the test meet the requirements of the standard ID table. Practice has proved that extending the life expectancy, easy to use. The structure of the inner diameter chart is shown in the figure. The bakelite handle 1 is mounted on the casing 2 with four stabilizing pins 6. The arm lever 3 with pin 4 installed in the casing 2 of the chute, can be flexible