Influence of Pitting Failure on Dynamic Performance of Herringbone Gear Transmission System Considering Friction Coefficient

Author:

Ren Fei1,Wang Dexi1ORCID,Shi Guiqin2,Wang Qi1,Wang Ning3

Affiliation:

1. School of Mechanical and Electrical Engineering & Henan Key Laboratory of Intelligent Manufacturing of Mechanical Equipment, Zhengzhou University of Light Industry, Zhengzhou P.R. China

2. School of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou P.R. China

3. Department of Design and Manufacturing, China Railway Engineering Equipment Group Co. Ltd, Zhengzhou P.R. China

Abstract

Background: Gearboxes are used in many industrial fields. Due to uncontrollable external factors and inevitable fatigue damage, gearboxes are likely to fail. It has become a major research trend to collect dynamic signals of gearboxes and develop effective fault diagnosis methods for gearboxes. Objective: The purpose of this paper is to study the dynamic characteristics of herringbone gear transmission (HGT) under different friction coefficients and pitting faults. Methods: A virtual prototype model of the system with different friction coefficients and pitting faults was established jointly with KISSsoft, SolidWorks, and ADAMS. The contact stiffness, penetration coefficient, damping, and other factors were considered in the model. The contact force and angular acceleration signals of the Driven gear are collected and analyzed by simulation. Results: The increase of friction coefficient results in the increase of contact force and instantaneous angular acceleration. The modulation side frequency band on both sides of the frequency becomes dense, and the side frequency band in the frequency domain of angular acceleration becomes sparse. When pitting failure exists, all dynamic signals show fault characteristics. Conclusion: This work provided a theoretical basis for fault diagnosis and gear dynamics research, Due to many nonlinear factors, the fault diagnosis of the HGT system is relatively difficult. The research results can quickly diagnose the fault of the HGT system, which makes up for the shortcomings in the study of the fault diagnosis of the HGT system.

Funder

Science and technology research project of Henan Province

Doctoral Research Foundation of Zhengzhou University of Light Industry

Publisher

Bentham Science Publishers Ltd.

Subject

General Materials Science

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