Cutters – for shaping – Gear cutting tool
Patent
1984-02-13
1985-12-10
Husar, Francis S.
Cutters, for shaping
Gear cutting tool
407 17, 407 25, 407113, 407119, B23F 516, B23C 520
Patent
active
045576394
ABSTRACT:
Two cutting tool inserts are fastened at each side of a cutting tool insert holder to have their active primary cutting edges aligned. A third cutting tool insert is displaced in relation to the other two cutting tool inserts in the cutting direction such that its active primary cutting edge overlaps in extent the active primary cutting edges of the two aligned cutting tool inserts. This produces an effective total length of the cutting edges which corresponds to the sum of the edge lengths of the three cutting tool inserts less the two overlapping regions. Should one of the cutting tool inserts chip or break off in the region of the overlapping active primary cutting edges, the planing or shaping of hardened gear tooth flanks of a roughed-out gear blank or workpiece can nevertheless be continued since such chipping of the cutting edge has no detrimental influence on the workpiece due to the overlapping.
REFERENCES:
patent: Re28239 (1974-11-01), Dupuis
patent: Re28896 (1976-07-01), Gleason
patent: 1480610 (1924-01-01), Harten
patent: 2392823 (1946-01-01), Lapointe
patent: 3564683 (1971-02-01), Schedler et al.
patent: 3909895 (1975-10-01), Abrahamson
patent: 4140042 (1979-02-01), Demuth et al.
patent: 4274766 (1981-06-01), Raupp, Jr. et al.
Husar Francis S.
Kleeman Werner W.
Maag Gear-wheel & Machine Company Limited
Terrell William E.
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