Cutting tool for internal and external turning operations

Cutters – for shaping – With chip breaker – guide or deflector

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Details

82 20, B26D 100

Patent

active

043712967

ABSTRACT:
A cutting tool for internal and external turning has a body with straight main cutting edge, a curved auxiliary cutting edge, and a chip guiding shoulder extending in parallel to the feed advance direction of the tool. The main cutting edge forms a tangent to the curved auxiliary cutting edge. Further, the main cutting edge encloses an angle of 3.degree. to 9.degree. with the direction of the chip guiding shoulder an normally with the feed advance direction. This construction makes the tool substantially independent of tool positioning errors whereby the cutting quality is increased.

REFERENCES:
patent: 2936679 (1960-05-01), Thuerwachter
patent: 3052951 (1962-09-01), Kubota
patent: 3744358 (1973-07-01), Lindemann
patent: 3815194 (1974-06-01), Goeke
patent: 3911543 (1975-10-01), Sorice
patent: 4111589 (1978-09-01), Goeke
patent: 4214847 (1980-07-01), Kraemer
patent: 4278369 (1981-07-01), Jakobs et al.

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