Experimental and Analytical Study of Aerospace Spiral Bevel Gear Tooth Fillet Stresses

Author:

Handschuh R. F.1,Bibel G. D.2

Affiliation:

1. Army Research Laboratory, National Aeronautics and Space Administration, Glenn Research Center, Cleveland, Ohio 44135

2. University of North Dakota, Department of Mechanical Engineering, Grand Forks, North Dakota 58202-8359

Abstract

An aerospace-quality spiral bevel gearset was analytically and experimentally rolled through mesh to investigate tooth bending stress. A nonlinear finite element model utilized multiple teeth from the pinion and gear to simulate three-dimensional multitooth contact. The results were compared to those obtained experimentally with strain gages. A total of five strain gages, mounted in the root/fillet region of three teeth, were used. Effects of changing speed and load were measured. Tests were conducted from static (slow roll) to 14,400 rpm at power levels up to 537 kW (720 hp).

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Reference25 articles.

1. Albrect, C., “Transmission Design Using Finite Element Analysis Techniques,” Proceedings of the Theoretical Basis of Helicopter Technology, Nanjing, PR of China, Nov. 1985.

2. Bibel, G., and Handschuh, R., “Meshing of a Spiral Bevel Gearset With 3-D Finite Element Analysis,” NASA TM-107336, ARL-TR-1224, Oct. 1996.

3. Bibel, G., Tiku, K., and Kumar, A., “Prediction of Contact Path and Load Sharing in Spiral Bevel Gears,” NASA CR-195305, ARL-CR-146, April 1994.

4. Gosselin, C., Cloutier, L., and Brousseau, J., “Tooth Contact Analysis of High Conformity Spiral Bevel Gears,” 1991 JSME International Conference on Motion and Power Transmission, Hiroshima, Japan, Nov. 1991.

5. Gosselin, C., Gingras, D., Brousseau, J., and Gakwaya, A., “A Review of the Current Contact Stress and Deformation Formulations Compared to Finite Element Analysis,” International Gearing Conference, Newcastle, UK.

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