Patent ID: 8926238
Filing Date: 2015-01-06
Classification: B23B,B23C,Y10T

Abstract:
1. An apparatus comprising: a tool holder; a rod disposed on the tool holder, the rod having a first end and a length, the first end of the rod extending from a surface of the tool holder; a sleeve having a first end, a second end, a surface, and a channel with a first opening for the channel extending to the first end of the sleeve and a second opening for the channel extending to the second end of the sleeve in which the channel of the sleeve is attached to the rod by an interference fit so as to substantially cover the length of the rod, in which the tool holder has a first stiffness and the sleeve has a second stiffness in which the second stiffness is greater than the first stiffness; and a number of cutting features formed on the surface of the sleeve such that the sleeve and the number cutting features form a cutting tool; wherein the rod of the tool holder is comprised of steel and the sleeve is comprised of carbide having metallic properties; and wherein the sleeve has a cross section with a shape selected from one of an octagon and a hexagon.