Metalcutting insert for roughing and finishing

Details Metalcutting insert for roughing and finishing Metalcutting insert for roughing and finishing

1980-11-05

1982-06-22

Hinson, Harrison L.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

B26D 100

Patent

active

043359841

ABSTRACT:
A chipbreaking insert for metalcutting is useful for breaking chips over a wide range of speeds and feeds. In light cuts, the chips are broken by a finishing depression adjacent to the cutting corner. In deeper but still moderate cuts, the chips and broken by a chipbreaking groove which is parallel to the cutting edge. In heavy cuts, the chips are corrugated and deflected away from the workpiece by a series of cylindrical chip deflecting grooves spaced along the cutting edge.

REFERENCES:
patent: 3621549 (1971-11-01), Billups
patent: 3973308 (1976-08-01), Lundgren
patent: 4059363 (1977-11-01), Romagnolo
patent: 4065223 (1977-12-01), Nelson
patent: 4215957 (1980-08-01), Holma et al.
patent: 4273480 (1981-06-01), Shivai et al.

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