| 摘要 |
A lapping machine includes a circular drive plate mounted on the end of a driven shaft and a circular lapping plate mounted on the drive plate. A pair of leveling levers are mounted between the drive plate and the lapping plate with each lever being in a groove in the drive plate. Each lever has a pivot point adjacent one end which is pivotedly seated on the drive plate and projects from the groove in the drive plate so that the lapping plate engages the lever. An adjustment screw is at the other end of each lever for adjustably pivoting the lever and thereby tilts the lapping plate with respect to the drive plate. Either the lapping plate or the drive plate has holes therethrough to permit access to the adjustment screws. A drive pin projects from the drive plate and fits in a groove in the bottom of the lapping plate to drive the lapping plate with the drive plate.
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