Gear cutting – milling – or planing – Gear cutting – Gear tooth shape generating
Patent
1993-04-30
1995-03-07
Howell, Daniel W.
Gear cutting, milling, or planing
Gear cutting
Gear tooth shape generating
451 47, B23F 1906
Patent
active
053951891
ABSTRACT:
A shaving cutter, honing cutter or the like serving as a tool (T) matingly meshing at a crossed-axes angle (.delta.) with the toothed workpiece (W) during a precision working of crowned and/or conical tooth systems guided during a feed movement (V) at an angle (.epsilon.) inclined with respect to the workpiece axis and along same. The feed movement (V) is thereby superposed by an additional movement directed perpendicularly thereto and these two movements are coordinated in such a manner with one another that the working zones of the tool (T) are guided on a curve (55) which lies on a theoretical envelope (50) of the workpiece (W) defining the crown dimensions from one face of the workpiece (W) to the other. The working zones of the tool (T) have thereby at each contact point (K) a tangential contact with the workpiece tooth flanks (2, 3) to be machined. A tilting of the tool (T) or of the workpiece (W) about an axis extending transversely with respect to its axis (30, 31) is not necessary and, accordingly, the machine does not have any corresponding devices.
REFERENCES:
patent: 2228967 (1941-01-01), Miller
patent: 2228968 (1941-01-01), Miller
patent: 2280045 (1942-04-01), Miller
patent: 2343567 (1944-03-01), Miller
patent: 2762268 (1956-09-01), Maurer
patent: 4545708 (1985-10-01), Buschhoff et al.
patent: 4950112 (1990-08-01), Huber
Howell Daniel W.
Hurth Maschinen und Werkzeuge G.m.b.H.
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