Gear cutting – milling – or planing – Gear cutting – Gear tooth shape generating
Patent
1985-10-21
1987-05-12
Spruill, Robert L.
Gear cutting, milling, or planing
Gear cutting
Gear tooth shape generating
409 5, 409 30, B23F 914
Patent
active
046645691
ABSTRACT:
In order to increase the working range of existing designs of gear cutting machines upon which gear teeth based upon an extended epicycloid are cut according to the continuous gear-cutting process, the workpiece and cutter spindles of a gear cutting machine are driven in identical directions of rotation by a reversing drive train. A reversible auxiliary drive is connected to an end of a primary drive train remote from a main drive for maintaining the primary drive train interconnecting the workpiece and cutter spindles under constant load, i.e. for suppressing backlash in the primary drive train. This permits the practical fabrication of gears (i.e. the practical cutting of gear teeth) based upon a hypocycloid instead of an epicycloid.
REFERENCES:
patent: 3583278 (1971-06-01), Baxter et al.
patent: 3971293 (1976-07-01), Hunkeler
G. Henriot, "Traite Theorique et Pratique des Engrenages", vol. II, Fabrication-Controle-Lubrification-Traitement Thermique", 1972.
K. F. Keck, "Die Zahnradpraxis", part 11: Schragzahnstirnrader, Geradzahn- und Psiral-Kegelrader, 1958.
Kleeman Werner W.
Spruill Robert L.
Studebaker Donald R.
Werkzeugmaschinen-fabrik Oerlikon-Buhrle AG
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