这种夹具(图1)适合于壁厚仅为0.38～0.51mm圆盘形制件的锪孔、扩孔、镗孔或类似的孔加工之用。使用情况表明,它是解决此类问题一个简单而廉价的方法。夹具体由铝合金制造。当自由状态时,其定位夹紧面与制件之配合应为滑配。对于直径在40mm以内的制件,使用该 Such clamps (Figure 1) are suitable for countersinking, reaming, boring, or the like for disc-shaped parts having a wall thickness of only 0.38 to 0.51 mm. Usage shows that it is a simple and inexpensive way to solve such problems. Clamps made of aluminum alloy. When free, the positioning of the clamping surface with the parts should be sliding with. Use this for parts with a diameter of 40 mm or less