Research on the characteristics of gear modals based on ANSYS

Abstract

Abstract:

In order to study the modal characteristics of gears, models of apair of common transmission gears are established by software GearTrax. A model of a pinion is imported into ANSYS for meshing and corresponding finite element models are obtained.Then,models of straight cylindrical gears in good condition and fault condition are established by ANSYS. A suitable modeling approach is taken to compare the first eighth order modals obtained by the two methods above.Compared with the modal frequencies of complete gear,themodal frequencies of the broken gears have certain changes.The conclusion provides a new way for the gear fault analysis in the future.

Key words:

ANSYS, fault, gear, modal frequency

LIANG Pengwei，KANG Zhenquan，HUANG Haoran，MA Lili，LIU Hongxing，ZHU Chaolei.

Research on the characteristics of gear modals based on ANSYS

[J]. Huadian Technology, 2019, 41(6): 17-22.

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Research on the characteristics of gear modals based on ANSYS

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