Gear cutting – milling – or planing – Milling – Thread or helix generating
Patent
1994-07-21
1996-05-14
Briggs, William
Gear cutting, milling, or planing
Milling
Thread or helix generating
470 81, B23C 304, B23G 118
Patent
active
055162401
ABSTRACT:
In accordance with the invention, the workpiece (1) is mounted on a lathe headstock spindle rotated by drive means about a headstock spindle axis (I--I). A turning tool (3) is mounted on a toolholder carriage adapted to move in translation along an infeed axis (III) and along a carriage axis (IV). The turning tool (3) has a cutting edge (4) made up of a plurality of cutting edge portions adapted to be individually engaged with the workpiece (1). The turning tool (3) is rotated about an axis (II) which is not parallel to the headstock spindle axis (I--I) to bring the separate portions of the cutting edge (4) of the turning tool (3) successively into contact with the workpiece (1). The invention can be used to cut helical threads.
REFERENCES:
patent: 1384913 (1921-07-01), Olson et al.
patent: 1404386 (1922-01-01), Graver
patent: 1434430 (1922-11-01), Cornelis
patent: 1461219 (1923-07-01), Miller
patent: 1562705 (1925-11-01), Kunkle
patent: 1681994 (1928-08-01), Miller
patent: 1853643 (1932-04-01), Simmons
patent: 3230830 (1966-01-01), Romi
patent: 3854353 (1974-12-01), Cutler
Publication "Afwikkeldraaien", by B. van der Horst, in Metaal-bewerking, No. 20, Mar. 30, 1967, pp. 381-383.
Briggs William
Eilberg William H.
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