Patent ID: 7258601
Filing Date: 2007-08-21
Classification: B24B,B24D,B27B,B28D

Abstract:
1. A machining apparatus, comprising: a mounting member to be rotationally driven; a tool support member mounted on the mounting member; and a fixing member, fixed to the mounting member, for fixing the tool support member to the mounting member, the mounting member having a mounting outer peripheral surface of a generally cylindrical shape, a cylindrical mounting hole as a through-hole being formed in the tool support member, and the tool support member being mounted on the mounting member by fitting the mounting hole of the tool support member onto the mounting outer peripheral surface of the mounting member, and wherein the mounting outer peripheral surface of the mounting member has a guide region, a support region, and a relief region arranged sequentially in a central axial direction, the support region is of a cylindrical shape having an outer diameter D an outer diameter D an outer diameter D the mounting hole of the tool support member has an inner diameter D D a length in the central axial direction of the support region of the mounting outer peripheral surface is W W