Cutting tool

Details Cutting tool Cutting tool

1985-01-16

1986-08-19

Husar, Francis S.

Turning

Process of turning

76101R, 407114, B23B 100, B23B 2714

Patent

active

046062483

ABSTRACT:
A cutting tool comprises a bit-holder fed at a prescribed feed amount f per revolution in a feeding direction and a throw-away tip made of superhard metal and including a rake face, an bottom face parallel to the rake face, and cutting blade edges. The throw-away tip is provided with recess on at least one of the rake and bottom faces thereof. A distance w3 between a side surface defining the recess and the cutting blade edge in the feeding direction is defined within a range satisfying the following formula represented by; f.ltoreq.w3.ltoreq.5f. Therefore rare and expensive cutter material can be saved, and the throw-away tip can be prevented from being damaged by cutting heat because its radiating area is made larger.

REFERENCES:
patent: 3557416 (1971-01-01), Jones
patent: 3751782 (1973-08-01), Fruish
patent: 3968550 (1976-07-01), Gehri
patent: 4087192 (1978-05-01), Hertel
patent: 4214845 (1980-07-01), Mori
patent: 4259033 (1981-03-01), McCreery et al.
patent: 4315706 (1982-02-01), Erkfritz
patent: 4507023 (1985-03-01), Shikata

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