A cutting tool that includes an elongate body (22) that has a forward end (26) and a rearward end (24). The elongate body (22) has a fluted portion (30) that beginning near and extends in a rearward direction from the forward end (26). The fluted portion (30) has a flute (36, 38, 40, 42) that defines a cutting edge. The flute presents a concave cutting face (60) wherein the concave cutting face (60) is defined by a first radius (R1). The flute further presents a concave core surface (66) adjacent to the concave cutting face (60) wherein the concave core surface (66) is defined by a second radius (R2). The flute presents a convex heel surface (64) adjacent to the concave core surface (66) wherein the convex heel surface (64) is defined by a fourth radius (R4).
申请公布号
WO2008048843(A3)
申请公布日期
2008.07.03
申请号
WO2007US81068
申请日期
2007.10.11
申请人
KENNAMETAL INC.;YAMAWA MANUFACTURING LTD.;HENDERER, WILLARD E.;GEORGE, STEPHEN M.;BURNS, STEVEN R.;AKAKI, MR. SADAYUKI
发明人
HENDERER, WILLARD E.;GEORGE, STEPHEN M.;BURNS, STEVEN R.;AKAKI, MR. SADAYUKI