CUTTING INSERT WITH ELLIPTICAL CUTTING EDGE

摘要

A cutting Insert (30) comprises an elliptical cutting edge (38). The cutting insert (30) has a mounting hole (48) through which a retention screw (32) ma y pass, wherein the retention screw makes contact with the mounting hole in a seating plane that is perpendicular to the mounting hole. The cutting insert (30) is adapted for use in a cutting tool (10) comprising a tool body (12) having a pocket (26) partially defined by a floor that is parallel to a seating plane. The insert (30) can have a shape complimentary to a tool body (12) so as to cooperate with the tool body to form a continuous flute (37). According to one embodiment of the invention, the insert (30) has a flank ed ge inboard with respect to the tool body. An insert (30) according to another embodiment of the invention has a rake face (42) with a positive cutting geometry.