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Axle Weight Reduction with Improved Durability via Finite Element Analysis
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English
Abstract
This paper describes the formulation of both “solid” and “thin-shell” isoparametric finite element models of an existing production light truck unitized cast iron gear carrier and its subsequent replacement. The emphasis of this study lies in the objective of deriving a method of using a thin-shell model for quick and cost effective design analysis purposes in lieu of complex and costly solid models. The analyses are studied in terms of redesigning the gear carrier to better optimize material usage, while simultaneously increasing the structural beaming fatigue life. The redesign is formulated by iterative thin-shell models with the final design verified by a solid model. A thin-shell model of the attaching stamped steel cover plate is also included as a separate study.
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Authors
Citation
Davis, G., "Axle Weight Reduction with Improved Durability via Finite Element Analysis," SAE Technical Paper 801426, 1980, https://doi.org/10.4271/801426.Also In
References
- “Passenger Car Drive Axle Gear Design,” Gleason Works April 1972
- “SDRC Finite Element Intelligent Terminal Gerber IDS-3 System Users Manual,” Structural Dynamics Research Corporation July 1978
- Juvinall R. C. “Stress, Strain, and Strength,” McGraw-Hill 1967
- Seshadri T. V. “Effect of Transverse Forces on Shrink-Fit Assemblies,” SAE 770611
- Structural Dynamics Research Corporation “Mechanical Design Library, Part IV,”
- Bathe K. L. Wilson E. L. “Numerical Methods in Finite Element Analyses,” Prentice-Hall 1976
- Markes G. W. II Maul D. Singh G. Hoenes W. “Improving Fatigue Life for Truck Axles--A Specimen Case of Using NASA Technology,” SAE 780073