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图1是一种联轴节零件,磨削尺寸为16f6的凸爪时,要求以(?)25H7孔定位。由于16f6凸爪对(?)25H～7孔中心的对称度允差为0.02mm。因此,需设计一种夹具来保证其对称度达到图纸要求。为此,我设计了图2所示的新的磨削凸爪用的夹具,能控制工件上16f6凸爪对φ25H7孔的对称度,并达到图纸要求。此夹具是利用间接测量图2上尺寸“B”和“C”,来控制工件上16f6凸爪对φ25H7孔的对称度的。由
Figure 1 is a coupling part, the grinding size 16f6 of the claw, requires (?) 25H7 hole positioning. As 16f6 claw pair (?) 25H ~ 7 hole center symmetry tolerance of 0.02mm. Therefore, the need to design a fixture to ensure its symmetry to meet the requirements of the drawings. To this end, I designed the new grinding jaw shown in Figure 2 with the fixture, the workpiece can control 16f6 claw on φ25H7 hole symmetry, and to meet the requirements of the drawings. This fixture is used to indirectly measure the size of Figure 2, “B” and “C” to control the workpiece 16f6 claw on φ25H7 hole symmetry. by