| 摘要 |
A piston ring grinding apparatus providing piston rings of consistent gap is disclosed. The piston ring grinding apparatus has a base member with a piston ring grinding means mounted thereon. The piston ring holder is rotatably mounted on the base member for movement of a piston ring mounted thereon into and out of contact with the grinding means. A gauge means are in operative association with the piston ring holder and are mounted on the base member in a position to gauge rotational movement of the piston ring holder.
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