Springback control with small vibration using electromagnetic forming

To reduce the springback after sheet stamping, two forming processes which include electromagnetic forming (EMF) were designed. Compared with traditional electromagnetic-assisted stamping (EMAS), the new methods use the same mold structure and control springback without obvious plastic deformation....

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Bibliographic Details
Published inInternational journal of advanced manufacturing technology Vol. 118; no. 9-10; pp. 3133 - 3145
Main Authors Xia, Wenzhen, Cui, Xiaohui, Du, Zhihao, Deng, Zanshi, Lin, Yuhong
Format Journal Article
LanguageEnglish
Published London Springer London 01.02.2022
Springer Nature B.V
Subjects
Advanced manufacturing technologies
Aluminum alloys
CAE) and Design
Coils
Computer-Aided Engineering (CAD
Deformation
Discharge
Electromagnetic forming
Engineering
Finite element method
Industrial and Production Engineering
Manufacturing
Mechanical Engineering
Media Management
Metal forming
Metal sheets
Original Article
Plastic deformation
Simulation
Springback
Stamping
Numerical simulation
Electromagnetic forming
Vibration
Springback control
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Summary:To reduce the springback after sheet stamping, two forming processes which include electromagnetic forming (EMF) were designed. Compared with traditional electromagnetic-assisted stamping (EMAS), the new methods use the same mold structure and control springback without obvious plastic deformation. The ANSYS and ABAQUS software were used to analyze the influence of different discharge voltages on springback in the two forming processes. The simulation results accurately predict the deformation and springback of sheet metal after quasi-static stamping and subsequent EMF. After coil discharge, the sheet oscillates with high frequency and small amplitude and only exhibits insignificant deformation. With the increase of the discharge voltage, the sheet springback angle decreases. The springback inhibition effect of process 1, in which the sheet corners merely touch the coil surface, is greater than that of process 2, where the sheet was pressed close to the coil surface.
ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-021-08152-6