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Initial Wet Clutch Frictional Characteristics of ATF/B-CVTF under Low Speed Sliding Conditions
Technical Paper
2003-01-1969
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The antishudder performance of automatic transmission fluids (ATFs) and belt-drive continuously variable transmission fluids (B-CVTFs) used in automotive transmissions equipped with slip control torque converter lock-up clutch systems is an important issue. These fluids require both initial antishudder performance and antishudder durability, but most researchers have mainly studied antishudder durability.
This paper describes the initial frictional properties-break-in properties-of some commercial ATFs and B-CVTFs using a low velocity friction apparatus (LVFA).
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Citation
Wada, H. and Matsuoka, T., "Initial Wet Clutch Frictional Characteristics of ATF/B-CVTF under Low Speed Sliding Conditions," SAE Technical Paper 2003-01-1969, 2003, https://doi.org/10.4271/2003-01-1969.Also In
References
- Kurashina H. “Demands for Slip L/U ATF Performance” Proceedings of 1998 TVT symposium Yokohama 34 1998
- Srinivasan S. Sunne J. P. Smith D. W. Stinnett D. W. “Prediction of Anti-shudder Performance of ATFs in CSTCC-Equipped Vehicles using the Low Speed SAE #2 Machine” Proceedings of 1998 TVT symposium Yokohama 51 1998
- JASO M349-2001 “Test method for Anti-shudder Performance of Automatic Transmission Fluids”