POSITIONING INSTRUMENT FOR ABRASIVE PAD

摘要

PROBLEM TO BE SOLVED: To provide a positioning instrument for an abrasive pad for easily attaching an abrasive pad to an appropriate position on a surface plate.SOLUTION: The positioning instrument comprises: a reference part 12 which uses an outer peripheral end of an abrasive pad as a reference for arrangement; and a contact part 11 arranged at a position allowing contact with the outer peripheral end of a surface plate concentric or substantially concentric with the abrasive pad in a state where the outer peripheral end of the abrasive pad is arranged with reference to the reference part 12.