Cutting tool and manufacturing method thereof
AssigneeSumitomo Electric Hardmetal Corp.
InventorsGaku Harada, Yoshinori Tanigawa, Satoru Kukino
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Abstract
A cutting tool according to an aspect of the present disclosure includes a cutting edge portion which contains at least one of cubic boron nitride and polycrystalline diamond. The cutting edge portion includes a flank face, a negative land contiguous to the flank face, and a cutting edge formed by a ridgeline between the flank face and the negative land. At least one of the negative land and the flank face is provided with a plurality of recesses and a projection. The projection is formed by arranging the edges of adjacent recesses in contact with each other.
Claims9
A cutting tool comprising a cutting edge portion which contains at least one of cubic boron nitride and polycrystalline diamond,
- the cutting edge portion including a flank face, a negative land contiguous to the flank face, and a cutting edge formed by a ridgeline between the flank face and the negative land,
- at least one of the negative land and the flank face being provided with a plurality of recesses and a projection formed by arranging the edges of adjacent recesses in contact with each other.
Dependencies are inferred from the claim text.