Cutters – for shaping – Rotary cutting tool – Gang
Patent
1979-03-14
1980-08-26
Hinson, Harrison L.
Cutters, for shaping
Rotary cutting tool
Gang
76101A, 241236, 407 63, B26D 112, B21K 2100, B02C 108
Patent
active
042192919
ABSTRACT:
A rotary cutter and method of making same having a plurality of wear resistant material tipped helical cutting teeth therealong and comprising a plurality of cutter discs removably mounted in stacked relationship on a mandrel. Each disc comprises a circular member having a plurality of circumferentially spaced cutting teeth extending therearound and wherein each cutting tooth incorporates a hard, wear resistant insert having a helical rake facet and a helical relief facet defining the cutting edge which is in the form of a true geometrical helix. Coacting means are provided on the mandrel and each disc for rotationally positioning and aligning the discs such that the helical cutting edges thereon define in combination a substantially continuous geometrically true helical cutting edge extending the entire length of the cutter.
REFERENCES:
patent: 7264 (1876-08-01), Thompson
patent: 1432580 (1922-10-01), Vauclain
patent: 1713273 (1929-05-01), Farrington
patent: 2119298 (1938-05-01), Simowski
patent: 2305145 (1942-12-01), Dalzen
patent: 3946474 (1976-03-01), Hahn et al.
patent: 3986543 (1976-10-01), Slayton et al.
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