| 摘要 |
A machine for surface-, plane-parallel-, and external plain lapping of starting work pieces with a lapping abrasive which is fed on a circularly shaped lapping abrasive track in determined quantity to the starting work pieces, and by which the starting work pieces are machine formed into face, plane-parallel or round finished work pieces. The lapping abrasive is fed to the starting work pieces on at least one additional circularly shaped lapping abrasive track or channel arranged concentrically to the first circularly shaped lapping abrasive track and having a different diameter, and in a differently dosed quantity relative to the first lapping abrasive quantity and separate from it.
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