Patent ID: 7785046
Filing Date: 2010-08-31
Classification: B23B,B23Q,Y10T

Abstract:
1. An endmill tool holder assembly comprising; an inlet for cooling fluid; a body portion including a bore sized to receive an endmill tool along an axis, said body portion defining sides of an annular channel in fluid communication with said inlet, the bore receiving the tool extends through the body portion and in communication with the inlet for cooling fluid, the body further including a mount portion comprising a circumferential groove and a tapered body portion extending rearward from the mount portion that provides a mating surface for mounting within a machine; at least one cross-channel in communication with the bore; at least one axial channel in communication with the bore on a first end and the annular channel on a second end for communicating cooling fluid around the tool within the bore and to the annular channel; and an insert fit into said annular channel including coolant openings disposed at an angle relative to said axis.