Cutters – for shaping – Rotary cutting tool – Face or end mill
Patent
1995-05-17
1998-11-10
Bishop, Steven C.
Cutters, for shaping
Rotary cutting tool
Face or end mill
279 86, 407 62, B23C 502, B23C 510
Patent
active
058334025
ABSTRACT:
The present invention relates to a copying cutter provided with a cylindrical or conical body having a spherical end, constituting the active portion of the cutter, said end including a plurality of flutes inclined at a determined angle .theta. relative to the longitudinal axis of the cutter and formed along circular arcs at a determined distance x from the midplane P of the cutter, an inside face and an outside face of each of the flutes constituting, after machining, respectively a cutting face and clearance faces of each tooth of the cutter.
The clearance faces comprise a first clearance face and an additional clearance face presenting at least a first facet. The cutting face has a cutting angle .gamma. given by the following equation: ##EQU1## where R is the radius of the cutter. The present invention also relates to a method of manufacturing the cutter.
REFERENCES:
patent: 1023353 (1912-04-01), Anderson
patent: 2367597 (1945-01-01), Melbourne
patent: 2612377 (1952-09-01), Edens
patent: 3409965 (1968-11-01), Fisher
patent: 3806267 (1974-04-01), Vining, Jr.
patent: 5203653 (1993-04-01), Kudla
"End Mill Announced", Iron Age, vol. 190, No. 2, Jul. 12, 1962, p. 154.
Bishop Steven C.
Societe Europeenne de Propulsion
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