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A method to determine dynamic loads on spur gear teeth and on bearings

På svenska

Author

  • Lars Vedmar
  • A Andersson

Summary, in English

A method is described which can be used to calculate dynamic gear tooth force and bearing forces. The model includes elastic bearings. The gear mesh stiffness and the path of contact are determined using the deformations of the gears and the bearings. This gives contact outside the plane-of-action and a time-varying working pressure angle. In a numerical example it is found that the only important vibration mode for the gear contact is the one where the gear tooth deformation is dominant. The bearing force variation, however, will be much more affected by the other vibration modes. The influence of the friction force is also studied. The friction has no dynamic influence on the gear contact force or on the bearing force in the gear mesh line-of-action direction. On the other hand, the changing of sliding directions in the pitch point is a source for critical oscillations of the bearings in the gear tooth frictional direction. These bearing force oscillations in the frictional direction appear unaffected by the dynamic response along the gear mesh line-of-action direction. (C) 2003 Elsevier Ltd. All rights reserved.

Department/s

Publishing year

2003

Language

English

Pages

1065-1084

Publication/Series

Journal of Sound and Vibration

Volume

267

Issue

5

Document type

Journal article

Publisher

Elsevier

Topic

  • Mechanical Engineering

Status

Published

ISBN/ISSN/Other

  • ISSN: 0022-460X