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Finite Element Analysis of Contact Stress for Helical Gear Based on ANSYS

Liang Yi-wei

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Abstract

Pinion life of the helical gear pair in the transmission of a heavy-duty truck is insufficient.In this paper,gear's static emulation was carried out by use of ANSYS software,and the distributing graph of static contact stress was obtained.The dynamic contact stress was analyzed based on ANSYS/LS-DYNA.The simulation results show that the dynamic stress is larger than the static stress.Integrated static and dynamic analysis,the lowest bending strength is located at the root of the driving gear's meshing tooth,which may be broken at that moment.

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What this paper is about

Pinion life of the helical gear pair in the transmission of a heavy-duty truck is insufficient.In this paper,gear's static emulation was carried out by use of ANSYS software,and the distributing graph of static contact stress was obtained.The dynamic contact stress was analyzed based on ANSYS/LS-DYNA.The simulation results show that the dynamic stress is larger than the static stress.Integrated static and dynamic analysis,the lowest bending strength is located at the root of the driving gear's meshing tooth,which may be broken at that moment.

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Available abstract

Pinion life of the helical gear pair in the transmission of a heavy-duty truck is insufficient.In this paper,gear's static emulation was carried out by use of ANSYS software,and the distributing graph of static contact stress was obtained.The dynamic contact stress was analyzed based on ANSYS/LS-DYNA.The simulation results show that the dynamic stress is larger than the static stress.Integrated static and dynamic analysis,the lowest bending strength is located at the root of the driving gear's meshing tooth,which may be broken at that moment.

Key concepts: Pinion, Structural engineering, Finite element method, Contact mechanics, Engineering, Stress (linguistics), Contact analysis, Static analysis

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