CUTTING INSERT HAVING CUTTING BODY FORMED OF CIRCULAR ARC CUTTING EDGE AND METHOD FOR MANUFACTURING THE CUTTING INSERT

摘要

The present invention relates to a cutting insert used for cutting, a method for manufacturing the cutting insert, and a tool assembly comprising the cutting insert. More specifically, for cutting the outer diameter of a workpiece such as a drum of a printer or a fax machine, a cutting insert and a method of manufacturing the cutting insert having a plurality of cutting bodies whose cutting edges are processed in an arc shape on the same circumference and A cutting tool assembly having a cutting insert.;Cutting insert according to the present invention, the through-hole is formed in the center and the cylindrical fastening portion formed with a female screw on one inner peripheral surface of the through hole and the radially so that both sides on the substantially same plane on the other outer peripheral surface of the fastening portion An insert body having a plurality of cutting body supports having a constant width, thickness and length and extending at equal intervals, and attached to one side of each of the cutting body supports facing the other side of the insert body, and cut on substantially the same circumference It is characterized by including a plurality of cutting bodies processed so that the blade is located.