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Reduction of Idling Rattle in Manual Transmission
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English
Abstract
In SAE paper SAE850979, 1985, the authors reported on a design technique for a clutch disc with nonlinear torsional characteristics for reducing transmission idling rattle. However, when design conditions do not allow sufficiently large first stage torsional angle or the transmission is loaded with large drag torque (such as when transmission oil is cold or the transmission has a power take-off unit), clutch discs designed using the previously reported technique do not necessarily give satisfactory result.
In this paper, the mechanisms generating idling rattle and their characteristics are further examined and a technique to reduce transmission idling rattle through elucidation of nonlinear torsional resonance is discussed.
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Authors
Topic
Citation
Fujimoto, T., Chikatani, Y., and Kojima, J., "Reduction of Idling Rattle in Manual Transmission," SAE Technical Paper 870395, 1987, https://doi.org/10.4271/870395.Also In
References
- Ohnuma et al. “Research on Idling Rattle of Manual Transmission” SAE Paper 850979
- Sakai T. et al. “Theoretical and Experimental Analysis of Rattling Noise of Automotive Gearbox” SEA Paper 810773
- Seaman Robert L. et al. “Component inertial Effects On Transmission Design” SAS Paper 841686
- Frantz Robert A. et al. “Cam-Driven Member Assembly-Improvements in Clutch Neutral Rattle Performance” SAE Paper 841195