Polycrystalline diamond and CBN cutting tools

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

1986-02-27

1987-12-22

Schmidt, Frederick R.

Cutters, for shaping

Comprising tool of specific chemical composition

407118, 76101R, 76101A, 76DIG12, 125 39, B23P 1528

Patent

active

047143851

ABSTRACT:
A cutting tool comprised of a polycrystalline layer of diamond or cubic boron nitride integrally adhered to a recessed edge portion of a cemented carbide substrate structure, said layer having a tool nose of a given radius joining two substantially straight cutting edges, a face of said layer being adhered to the bottom surface of the recessed portion and a round side of the layer being adhered to the wall of the recessed portion, 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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