| 摘要 |
A lapping machine for abrading the surfaces of at least one workpiece employing a pair of lap plates in axial alignment with each other and having a carrier mounted therebetween for mounting workpieces therein wherein one of the lap plates is controllable for free wheeling and/or locked operation relative to the other lap plate and is rotatable relative to the other lap plate through 180 degrees for exposing the carrier and the work surfaces of each lap plate.
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