Kinematic Precision of Gear Trains | Zendy

Faydor L. Litvin | Zendy; R. N. Goldrich | Zendy; J. J. Coy | Zendy; E. V. Zaretsky | Zendy

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Kinematic Precision of Gear Trains

Author(s) -

Faydor L. Litvin,

R. N. Goldrich,

J. J. Coy,

E. V. Zaretsky

Publication year - 1983

Publication title -

journal of mechanisms transmissions and automation in design

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.911

H-Index - 120

eISSN - 2161-9573

pISSN - 0738-0666

DOI - 10.1115/1.3267363

Subject(s) - bevel gear , kinematics , gear train , involute , involute gear , spiral bevel gear , train , point (geometry) , spiral (railway) , engineering , computer science , mechanical engineering , geometry , mathematics , physics , classical mechanics , cartography , geography

: Kinematic precision is affected by errors which are the result of either intentional adjustments or accidental defects in manufacturing and assembly of gear trains. This paper explains a general method for the determination of kinematic precision of gear trains. The general method is based on the exact kinematic relations for the contact point motions of the gear tooth surfaces under the influence of errors. An approximate method is also explained. Example applications of the general and approximate methods are demonstrated for gear trains consisting of involute (spur and helical) gears, circular-arc (Wildhaber-Novikov) gears, and spiral-bevel gears. Gear noise measurements from a helicopter transmission are presented and discussed with relation to the kinematic precision theory. (Author)

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