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Cam And Cam-Follower Reliability
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Sector:
Event:
22nd FISITA Congress
Language:
English
Abstract
The paper describes the earlier research on cam and cam-follower materials carried out by MIRA using a specially developed, test machine. A table summarising the results of this earlier work is given.
The use of the same test machine to assess the performance of lubricants when used in conjunction with standard components is also mentioned.
The main part of the paper describes more recent work involving certain new processes and two ceramic materials as applied to cams or cam-followers. The results indicated that some of these processes or materials, particularly silicon nitride ceramic, can perform well in the cam and cam-follower situation.
The results, particularly those for the very hard materials, were found to be influenced by surface finish, whilst the type of lubricant was found to affect the performance of chilled cast iron cams running against the ceramic materials.
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Authors
Citation
Chatterley, T., "Cam And Cam-Follower Reliability," SAE Technical Paper 885033, 1988, https://doi.org/10.4271/885033.Data Sets - Support Documents
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Also In
References
- Andrew, S Taylor, R G Love, R J “A Testing Machine for Cams and Cam Followers” MIRA Report No. 1962/7
- Wykes, F C “Summary Report on the Performance of a Number of Cam and Cam-follower Material Combinations Tested in the MIRA Cam and Follower Test Machine” MIRA Report No 1970/3
- Chatterley, T C Lane, G Weston, J P C “CEC Cam and Tappet Rig - Development of CEC Pitting and Scuffing Tests.” Paper No EL/2/5 CEC International Symposium on the Performance Evaluation of Automotive Fuels and Lubricants Rome June 1981
- Bishop, J L M “Analytical Approach to Automotive Valve Gear Design” I Mech. E. Auto Div. Proc. 150 160
- Love, R J “The CEC Cam and Tappet Test Machine” BTC Cam and Tappet Project Group Institute of Petroleum Symposium Montreux, Switzerland 2nd - 6th June 1973
- Chatterley, T C “Surface Deterioration of Cams and Cam-followers - An Investigation of Factors Concerning the Lubrication of Cams and Followers in Connection with the CEC Scuffing Test Procedure.” BTC Report No BTC/L1/81
- Stafford, K N Data, P K O'Donnell, A K “Electroless Nickel Coatings: Their Application, Evaluation and Production Techniques” Materials and Design 3 December 1982 608 641
- Reinke, F H “Local Electric Arc Re-melting Process for the Generation of Wear Resistant White Iron Layers on Grey Cast Iron” American Society for Metals 5th Heat-Treatment Conference Detroit May 1980
- “A New Family of High Performance Wear Resistant Alloys” Deloro Stellite Publication 1985
- Plumb, S. “Toyota Diffusion Process Shows Advantages” Metallurgia 52 2 February 1985
- Wahl, G “Boriding - A Process for Producing Hard Surfaces to Withstand Extreme Wear” Degussa AG Publication
- Godfrey, D J “Silicon Nitride Ceramics for Engineering Applications” SAE Paper No 740238
- Ogawa, Y. “Ceramic Rocker Arm Inserts for Internal Combustion Engineers” SAE Paper 860397
- Stevens, R. “An Introduction to Zirconia” Magnesium Electron Publication June 1983
- McDonald, A K “Chill Cast Valve Train Components” Paper No 20 AE PLC Technical Symposium 1982
- McDonald, A K “Chill Cast Camshaft Development” Paper No 22, AE PLC Technical Symposium 1986
- Andrew, S Taylor, R G “The Influence of Cam-follower Rotation on Contact Stress” MIRA Report No. 1963/5
- “Surface Deterioration of Cams and Cam-followers” CEC Scuffing Test Procedure No. CEC-L-31-T-81