Digital Twin of Three-Sided CNC Punching System for Automotive U-Shaped Longitudinal Beams: Modeling Research

Ke Li; Lunbin Liu; Yi Hao; Xueming Li; Zhongmin Wang

doi:10.6911/WSRJ.202609_12(9).0018

Authors

Ke Li Institute of Automation, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, China
Lunbin Liu Institute of Automation, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, China
Yi Hao Jinan Kaifeng CNC Machinery Co., Ltd., No. 526 Huade Road, Jinan Economic Development Zone, Jinan, China
Xueming Li Jinan Kaifeng CNC Machinery Co., Ltd., No. 526 Huade Road, Jinan Economic Development Zone, Jinan, China
Zhongmin Wang Institute of Automation, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, China

DOI:

https://doi.org/10.6911/WSRJ.202609_12(9).0018

Keywords:

Computer numerical control; Punching system; U-shaped longitudinal beams; Digital twin technology.

Abstract

This paper develops a digital twin (DT)-based intelligent computer numerical control (CNC) punching system applied to automotive U-shaped longitudinal beams to enhance the intelligent level, operation stability and machining efficiency of equipment. A high-fidelity DT model is established by means of three-dimensional(3D) modeling, multi-body dynamic simulation, and real-time data interaction between physical equipment and virtual space. Combined with fault tree analysis and machine learning algorithms, the model can realize equipment health state monitoring, fault early warning and remaining useful life prediction. Experimental verification shows that the punching efficiency of the system is increased by more than 30%.

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