Static Torsional Stiffness Computation of Circumferential Arc Spring Dual Mass Flywheel

Chao Wu; Yun Fei Peng; Chao Xiang; Xu Yao Mao; Jun Hua Hu; Yi Ou Liu

doi:10.4028/www.scientific.net/AMR.1065-1069.2080

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1065-1069Static Torsional Stiffness Computation of...

Static Torsional Stiffness Computation of Circumferential Arc Spring Dual Mass Flywheel

Abstract:

The iterative formulas of spring forces for Circumferential Arc Spring Dual Mass Flywheel (DMF-CS) were derived by discrete method, involving friction forces. The computation program was designed, and the curves illustrating transmitted torques over deformation angles of the outer and inner arc springs were plotted, which showed linear torque behavior. Thus two stages of torsional stiffness of DMF-CS were figured out to be 465.9923Nm/rad and 631.7980Nm/rad. The two stages of torsional stiffness without friction forces were calculated by this method, which were 434.6408Nm/rad and 591.3652Nm/rad. The experiment of static torque characteristic of DMF-CS was completed, obtaining the experimental torsional stiffness, which were 455.9923Nm/rad and 620.9412Nm/rad. Comparing the above values of torsional stiffness, the values with friction forces show more precise than ones without friction forces, and the values without friction forces are smallest. The results show that the friction forces contribute to the torsional stiffness of DMF-CS.

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Periodical:

Advanced Materials Research (Volumes 1065-1069)

Pages:

2080-2085

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1065-1069.2080

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Online since:

December 2014

Authors:

Chao Wu*, Yun Fei Peng, Chao Xiang, Xu Yao Mao, Jun Hua Hu, Yi Ou Liu

Keywords:

DMF-CS, Friction Forces, Static Torque Characteristic, Torsional Stiffness

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