Analysis and Research of Automotive Trapezoid Synchronous Belt's Fatigue Life
Li Zhanguo, Jiang Ming, Li Jiaxing, International Conference on Computer, Mechatronics, Control and Electronic Engineering (CMCE), Chungchun, August 2010, Volume 2, pp 193-195.
Abstract
The dynamic simulation model of synchronous belt meshing transmission is established in dynamics software “RecurDyn” applying the theory of MFBD (Multi-Flexible Body Dynamics), which analyzed the contact force on the working surfaces and stress distribution during the meshing transmission. The Finite Element Analysis Method was used to make the synchronous belt model meshed in Femap and investigated the belt's teeth stress distribution after the model was imported into RecurDyn. A new design of synchronous belt's and pulley's tooth profiles for improving the transmission capacity of the automotive synchronous belt was proposed, in order to discover better materials to increase the fatigue life of the belt by optimization of the geometry of tooth profiles.
How Multibody Dynamics Simulation Technology is Used
RecurDyn was used to simulate a timing belt as a flexible body. The stress distribution of the belt is obtained during typical operating conditions. New designs and materials for the belt could be easily tested in RecurDyn to find the optimal design more quickly.
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