ラップ盤ばん

noun

lapping machine

A machine used for lapping, a precision finishing process that produces a very flat, smooth surface by rubbing the workpiece against a lap with an abrasive.

• この工こう場じょうではラップ盤ばんを使つかって金きん属ぞく部ぶ品ひんの表ひょう面めんを仕し上あげている。

  In this factory, they use a lapping machine to finish the surfaces of metal parts.