Coated hard metal tool

Details Coated hard metal tool Coated hard metal tool

1984-05-16

1987-02-17

Husar, Francis S.

Cutters, for shaping

Comprising tool of specific chemical composition

B23B 2714

Patent

active

046436200

ABSTRACT:
A cutting insert having excellent toughness as well as wear resistance is provided comprising a substrate consisting of a sintered hard metal or alloy such as cemented carbides and a coating film provided thereon consisting of a material having a higher hardness than the substrate, characterized in that the coating film near the cutting edge is continuously made thinner or removed toward both the rake face and flank face.

REFERENCES:
Patents Abstracts of Japan, vol. 7, No. 29 (M-191) [1174], 5th Feb. 1983; & JP-A-No. 57 184 616 (Fujikoshi K.K.) 13-11-1982.

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