An improved metalcutting insert which incorporates a polycrystalline diamond or a polycrystalline cubic boron nitride material therein as a cutting edge material. The insert substrate includes integral chip control features which eliminate the need for the use of separately attached mechanical chipbreakers.
申请公布号
US4854784(A)
申请公布日期
1989.08.08
申请号
US19880259690
申请日期
1988.10.19
申请人
KENNAMETAL INC.;CLAPP & HANEY TOOL CO
发明人
MURRAY, GERALD D.;GIBSON, SHELBY R.;CARPENTER, KEITH J.;CARPENTER, KENNETH E.;CARPENTER, MICHAEL R.