高速列车制动盘热-弹塑性累积变形及整形仿真

杨川; 孟永帅; 黄彪; 金文伟; 赵清阳; 王北昆; 卢耀辉

Simulation of Thermal-elastic-plastic Cumulative Deformation and Shaping of Brake Discs for High-speed Trains

Received:August 07, 2024 Revised:October 24, 2024

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DOI：10.7643/issn.1672-9242.2025.02.011

KeyWord:brake disc thermal-mechanical coupling finite element plastic strain warping deformation shaping calculation

Author	Institution
YANG Chuan	CRRC Changchun Railway Vehicles Co., Ltd., Changchun , China
MENG Yongshuai	CRRC Qishuyan Institute Co., Ltd., Jiangsu Changzhou, , China
Huang，Biao	CRRC Qishuyan Institute Co., Ltd., Jiangsu Changzhou, , China
JIN Wenwei	CRRC Qishuyan Institute Co., Ltd., Jiangsu Changzhou, , China
ZHAO Qingyang	School of Mechanical Engineering, Southwest Jiaotong University, Chengdu , China
WANG Beikun	School of Mechanical Engineering, Southwest Jiaotong University, Chengdu , China
LU Yaohui	School of Mechanical Engineering, Southwest Jiaotong University, Chengdu , China

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Abstract:

The work aims to increase the braking performance of high-speed trains and prolong the service life of brake discs. The thermal-mechanical coupling laws of the brake disc under multiple braking were studied and the idea of micro-element method was used to calculate the friction surface of the heat flow density. The multiple braking conditions were considered to establish a finite element simulation model of the brake disc and the warping deformation of the brake disc under different braking conditions was analyzed. The finite element model of brake disc shaping process was established to analyze the relationship between brake disc warping deformation and shaping force. The warpage value of the brake disc after shaping was lower than 0.2 mm, and the plastic strain was not higher than 0.001. The correlation curve between the corrective force and the warpage is established to provide strong theoretical support for the shaping and repair of the brake disc.