Patent ID: 6224299
Filing Date: 2001-05-01
Classification: B23G,Y10T

Abstract:
A cylindrical milling tool mountable on a milling machine for rotation about its longitudinal axis for milling a workpiece, a plurality of cutting inserts mounted on the periphery of said tool for providing a helical cutting action, the body of said tool having a plurality of spaced straight grooves formed on its periphery and equidistant from one another, said grooves extending at an acute angle with respect to the longitudinal axis of said tool, said grooves having two parallel sides, an open top and a flat bottom surface, said grooves extending from the periphery of said tool toward the tool axis to a depth less than one fourth of the radius of said tool, said plurality of cutter inserts each comprising a straight elongated rectangular member having a cutting edge, respective ones of said inserts mounted in said grooves, said inserts each providing a cutting surface with cutting edges extending transverse to the longitudinal axis of said tool to provide a helical cutting action wherein each cutting edge progressively engages the workpiece, and wedge means for wedging and mounting said inserts in respective ones of said grooves.