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Torque capacity of multidisc wet clutch with reference to friction occurrence on its spline connections

Abstract

In this article developed mathematical model that includes friction occurrence on spline connections is presented. The work also contains results of experimental research on torque capacity of multidisc wet clutch. These results are expressed as a function of contact pressure for different number of friction surfaces. Due to increased interest in research concerning multidisc wet clutches it is essential to determine impact of friction on fit connections on transmitted torque. Analytical calculations that include both known loss coefficient and assumed lack of friction on fit connections are compared to results of experiments. The paper contains detailed description of test stand and methodology of experiment. As a result of conducted tests it was found that correction coefficients known from literature are highly inaccurate. Measured values of torque indicate that transmitted torque reach significantly higher values. It was also revealed that after slippage appeared, the pressure plate usually moved in the direction of exerted clamping force, but movement in reversed direction also took place for some experiments. While movement corresponding to clamping force reached ca. 0.08 mm, in opposite direction amounted to 0.02 mm. Furthermore, studies presented that lapping of adjacent friction surfaces greatly affects differences between respective results obtained for a specific experiment.

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Keywords

Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
Scientific Reports no. 11, pages 1 - 18,
ISSN: 2045-2322
Language:
English
Publication year:
2021
Bibliographic description:
Bąk M.: Torque capacity of multidisc wet clutch with reference to friction occurrence on its spline connections// Scientific Reports -Vol. 11,iss. 1 (2021), s.1-18
DOI:
Digital Object Identifier (open in new tab) 10.1038/s41598-021-00786-6
Sources of funding:
  • IDUB
Verified by:
Gdańsk University of Technology

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