Clutch Damper High Cycle Fatigue

The clutch damper of the manual transmission system is prone to vibration related fatigue damage when subjected to an overload torsional fatigue test. The amount of damage caused may be very significant. Because it would strike stop pins at the edges, which can likely cause detrimental vibratory stress in the damper. This vibratory stress may produce fatigue damage at a higher frequency than drive/coast torque may do. We term this vibration related fatigue damage as High Cycle fatigue (HCF) damage and the coast/drive related fatigue damage is called Low Cycle Fatigue (LCF). The HCF can significantly reduce the life of the damper in addition to LCF. In this paper an attempt is made to develop a new procedure using ANSYS finite elements to determine the damper life subjected to a HCF. In order to improve the turnover time, cam and linkage are not included in the model.
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