Gear cutting – milling – or planing – Gear cutting – Gear shaving
Patent
1982-09-24
1985-10-08
Weidenfeld, Gil
Gear cutting, milling, or planing
Gear cutting
Gear shaving
51 52R, 409 32, 409 33, 409 37, B23F 1906
Patent
active
045457085
ABSTRACT:
A method and an apparatus for shaving, rolling or similar ones of the tooth flanks of gears in which a gearlike workpiece which is to be worked is supported stationarily, however, rotatingly and is in a two flank meshing engagement with a toothlike tool. The tool carries out a rectilinear back-and-forth feed movement in a plane, which is parallel with respect to the workpiece axis, a plunge movement perpendicularly with respect to the workpiece axis and a swivelling movement about an axis which is directed transversely with respect to the feed direction. To produce crowned tooth flanks, the plunge feed and the swivelling movement of the tool is changed independently from one another in dependency of the respective position of the tool along the feed path. A rocking device is provided on which is arranged the tool and which also takes part in the back-and-forth feed movement and which furthermore can be driven pivotally about an axis which extends transversely with respect to the feed direction. Feed, plunge and swivelling movements are controlled corresponding with the pregiven flank line of the workpiece.
An adjusting device is connected to the rocking device through a coupling member which is capable of accommodating a swivelling movement. The adjusting device includes a motor which drives a spindle, wherein the spindle cooperates with a spindle nut, to which is hingedly connected a coupling member which, in turn, is connected to the rocking device.
REFERENCES:
patent: 2762268 (1956-09-01), Maurer
patent: 3160065 (1964-12-01), Rogg
patent: 3188915 (1965-06-01), Hurth
patent: 3272075 (1966-09-01), Gates et al.
patent: 4359301 (1982-11-01), Spensberger et al.
patent: 4502822 (1985-03-01), Fischer
Buschhoff Karl
Fischer Heinrich
Carl Hurth Maschinen - und Zahnradfabrik GmbH & Co.
Howell Daniel W.
Weidenfeld Gil
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