Patent ID: 6601484
Filing Date: 2003-08-05
Classification: B23B,Y10T

Abstract:
A method of cutting an inside corner of a workpiece, comprising:providing a main spindle having a rotating axis; attaching a cutting tool to the main spindle for rotation of the cutting tool about the rotating axis, the cutting tool having a regular polygonal bottom face with respective peaks and sides, at least one of the sides comprising a cutting edge in the rotating direction, the cutting edge extending from a peak; rotating the cutting tool about the rotating axis while effecting relative movement between the cutting tool and the workpiece, the relative movement forming a cyclic moving track of the rotating axis of the cutting tool in accordance with the rotating angle of the cutting tool, so that the peak from which the cutting edge extends moves in a path corresponding to a profile of the inside corner of the workpiece; and displacing the cutting tool axially along the rotating axis of the cutting tool.