Patent ID: 6341600
Filing Date: 2002-01-29
Classification: B23D,B23Q

Abstract:
A cutting machine having a mechanism for adjusting a rotational balance of said machine, said cutting machine comprising:a spindle unit having a rotary spindle, a securing flange mounted on an end of said rotary spindle, said securing flange having a tool-mounting portion along an outer periphery thereof, an annular cutting tool having a mounting hole that fits to said tool-mounting portion of said securing flange, and a holding flange for holding said cutting tool in cooperation with said securing flange, wherein: at least two threaded holes are formed in a radial direction in said outer periphery of one of said holding flange and said securing flange, and balance weight screws are screwed into said threaded holes; and said balance weight screws are suitably movable forward or back along said threaded holes in said radial direction to adjust the rotational balance of said spindle unit.