Polycrystalline diamond and CBN cutting tools

Details Polycrystalline diamond and CBN cutting tools Polycrystalline diamond and CBN cutting tools

1986-02-27

1987-10-27

Godici, Nicholas P.

Cutters, for shaping

Comprising tool of specific chemical composition

51293, 51307, 51309, 76101R, 76DIG12, 125 39, 175329, 175330, 175410, 408145, B23B 2720

Patent

active

047026499

ABSTRACT:
A cutting tool comprised of an annular polycrystalline layer of diamond or cubic boron nitride integrally adhered to an annular recess in an upper peripheral portion of an integral cemented carbide substrate structure, said layer having a round cutting edge, one face of the layer being adhered to the bottom surface of the recess and an innular annular side of the layer being adhered to the inner wall of the recess, the thickness of the polycrystalline layer and the height of the wall being substantially equivalent.

REFERENCES:
patent: 3369283 (1968-02-01), Colding
patent: 3743489 (1973-07-01), Wentorf et al.
patent: 3745623 (1973-07-01), Wentorf et al.
patent: 4252102 (1981-02-01), Phaal et al.
patent: 4255165 (1981-03-01), Dennis et al.
patent: 4268276 (1981-05-01), Bovenkerk
patent: 4373593 (1983-02-01), Phaal et al.
patent: 4437800 (1984-03-01), Arakai et al.
patent: 4448591 (1984-05-01), Ohno
patent: 4592433 (1986-01-01), Dennis
Abstract of South African Application 80/2747 (one page).

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