Patent ID: 6708382
Filing Date: 2004-03-23
Classification: B23B,B23C,Y10T

Abstract:
Complex tool to be installed on a machine tool capable of executing turning machining and milling machining operations, comprising:a main body in a bar shape, for installation of inserts at a top end of the main body such that the inserts are attachable and detachable from the main body; a concave portion formed on said main body, the concave portion extending radially inwardly from an outer peripheral portion of said main body toward an axial center of said main body and the concave portion also extending along said axial center direction from the top end of said main body; a plurality of insert installation faces formed on said main body, across said concave portion from one another; a plurality of said inserts, at least one of the inserts being installed on each of said insert installation faces, thereby facing opposite from another of the inserts across the concave portion; and, an open hole for supplying cutting oil, formed at said concave portion on a base portion side of said main body rather than a portion where said insert installation face is formed; whereby said cutting oil can be supplied from said complex tool while securing strength of a top end portion of said tool on which said insert installation face is formed, by providing said hole on said base portion side of said main body.