Ball nose milling tool

Details Ball nose milling tool Ball nose milling tool

1991-07-24

1992-04-28

Bishop, Steven C.

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407 46, 407 48, 407113, B23P 1534, B23C 522

Patent

active

051082349

ABSTRACT:
A ball nosed milling tool that includes a cutter plate having circular segmental cutting edges formed by chord-oriented shoulders inset into opposite faces of the plate. The shoulders form cutting faces that are acutely angled to the midplane of the plate, such that chips are directed away from the rotational axis of the cutter plate. The cutter plate is clamped within a slot in a supporting spindle by means of a threaded fastener that extends transversely through the plate and the spindle. A cylindrical shank portion of the fastener is oriented to exert a cam action on the surface of a hole in the cutter plate, such that the plate is firmly seated in the spindle slot.

REFERENCES:
patent: 4251172 (1981-02-01), Durand
patent: 4423989 (1984-01-01), Kress et al.
patent: 4512689 (1985-04-01), Bylund
patent: 4566828 (1986-01-01), Reinauer
patent: 4679968 (1987-07-01), Tsujimura et al.
patent: 5064316 (1991-11-01), Stojanovski

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