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Development of a Single Lip Molded Seal
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English
Abstract
The development of direct bonding of nitrile rubber compounds to metal inserts during the molding process has made the single lip molded seal a viable probability.
Empirical data was used to formulate design criteria which provided the optimum torque characteristic and sealing capability. Five parameters were investigated during empirical testing which included the static seal torque, seal lip thickness, undercut radius, lip/hub interference, and operational speed.
Housing temperature rise was used to evaluate the influence of parameter variation. The primary contributor to operational temperature was speed, and secondary was seal lip thickness.
Lip/hub interference and undercut radius were major contributors to sealing capability.
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Citation
Circle, L. and Puckett, S., "Development of a Single Lip Molded Seal," SAE Technical Paper 800961, 1980, https://doi.org/10.4271/800961.Also In
References
- Martin-Rockwell Sales – Engineering News Letter May 1973
- Tassone B. A. Helms, J. F. “Development of an Agricultural Bearing Seal,” ASAE Paper No. 71–680
- Moores N. F. Matt R, J. “The Evolution of an Agricultural Ball Searing Seal,” ASAE Paper No. 68–639
- Wellons, F. W. “A Seal Development for Agricultural Bearings,” ASAE Paper No. 65–633
- Perrotto, J. A. Riano, R. R. Murray, S. F. “Effect of Abrasive Contamination on Ball Bearing Performance,” Journal of the American Society of Lubrication Engineers December 1979 35 12 698 705