Gear cutting – milling – or planing – Gear cutting – Gear tooth shape generating
Patent
1982-02-01
1985-04-23
Bilinsky, Z. R.
Gear cutting, milling, or planing
Gear cutting
Gear tooth shape generating
409 2, 409 31, 409 51, 291592, 331795R, B23F 300
Patent
active
045126941
ABSTRACT:
A double helical gear set having a pair of driving pinions meshed with a pair of driven gears, respectively, is aligned by providing accurately aligned integral or demountable pinions on one shaft and aligning the driven gears using a fixture which is operable to locate a keyway or other aligning device on each of the driven gears so that the driven gears can be timed or aligned on their support shaft. The fixture has a hub member which fits in the bore of the gear hub and includes a locating pin engageable with opposed flanks of adjacent teeth at corresponding points on the tooth profile such as the pitch point. The fixture includes interchangeable locating pin support members for use in aligning helical gears having different diametral pitches and helix angles. Integral pinions of the opposed helical type are formed on a shaft and aligned with each other by providing aligned locating recesses in the shaft and mounting gear master parts on each end of the shaft which are used for centering a gear hob in the tooth spaces of the gear master parts prior to machining the gear teeth.
REFERENCES:
patent: 1639471 (1927-08-01), Shafer
patent: 2345298 (1944-03-01), Semar
patent: 2367100 (1945-01-01), Cullman et al.
patent: 3417510 (1968-12-01), Wildhaber
patent: 3651738 (1972-03-01), Bregi
Foran Charles D.
Smith Jack D.
Associated Dynamics, Incorporated
Bilinsky Z. R.
Howell Daniel W.
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