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Material Considerations for Automobile Camshafts
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English
Abstract
A variety of materials is currently specified for automobile camshafts. The choice depends on a number of factors, with resistance to surface deterioration the most important. Published research suggests that satisfactory operation of a material depends not only upon the operating conditions of stress, velocity, and lubrication, but also upon the follower material and possibly upon the shape of cam.
Analysis of available evidence, augmented by additional material testing, suggests that two materials could cover the majority of camshaft applications. These are chilled iron for highly stressed applications, and induction-hardened gray iron for applications where stresses are moderate, and concessions can be made to economy.
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Citation
Jarrett, M., "Material Considerations for Automobile Camshafts," SAE Technical Paper 710545, 1971, https://doi.org/10.4271/710545.Also In
References
- Jacobson M. A. I. “Crossed Helical Gears for High Speed Automotive Applications: Some Observations on the Problem of Failures, the Effects of the Changes of Design and Manufacturing Processes.” Proceedings of the Institution of Mechanical Engineers Automobile Div. London 10 1961-62
- Just E. “Determining Wear of Tappets and Cams at Volkswagen.” Metal Progress August 1970 110 114
- Wykes F. C. “Summary Report on the Performance of a Number of Cam and Cam Follower Material Combinations Tested in the M.I.R.A. Cam and Follower Machine.” Motor Industry Research Association Warwickshire, England