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http://dx.doi.org/10.14775/ksmpe.2022.21.04.014

Research on Improved Formability of High-Strength Steel Mounting Brackets and Springback Prediction  

Lim, Kyu-seong (Korea Polytechnic Colleges Mechanical System Dept.)
Choi, Seong-Dae (Department of Mechanical Engineering System, KIT UNIV.)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.21, no.4, 2022 , pp. 14-22 More about this Journal
Abstract
To reduce the weight of the car and ensure the safety of the driver while driving, the existing 440 MPa-class mounting bracket was treated at 590MPa to improve collision safety and secure the weight of the vehicle body. The following conclusions were drawn from the tensile test, forming analysis, and springback prediction. In the formability and springback analyses using FLD, it could be confirmed that bending was an essential process because the formability and flatness were much better when bending was added than when bending was not applied. Based on the research results, it was deduced that the mold design was necessary so that the molding was carried out at a strain rate of 20% or less for stable molding.
Keywords
Springback; Inverse Method; FLD(Forming Limit Diagram); Mounting Bracket; Flatness; Bending Process;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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