Discretized blank holding force driven by electromagnetics: Mechanism of thermal effects and deformation

L Li, Y Deng, Y Wang, D Cao, G Hu, H Huang - Journal of Materials …, 2024 - Elsevier
Electromagnetic blank holding for forming complex parts has received considerable
attention due to the flexibility in die design and force control. However, electromagnetics …

Individually segmented blank holding system driven by electromagnetics for stam**: modeling, validation, and prototype

H Huang, Q Lv, L Li, Y Xu, C Liu, T Zhang… - Journal of Materials …, 2023 - Elsevier
Previous efforts have shown that the segmented blank holder consisting of several
controlled parts, can effectively improve forming quality and reduce defects in stam** …

Research on deep drawing process using radial segmental blank holder based on electro-permanent magnet technology

H Zhang, S Qin, L Cao, L Meng, Q Zhang… - Journal of Manufacturing …, 2020 - Elsevier
In this paper, a novel radial segmental blank holder technique based on electro-permanent
magnet (EPM) technology is proposed. The blank holding force (BHF) can be independently …

Analysis of electromagnetic force and experiments in electromagnetic forming with local loading

L Qiu, Y Yu, Y Yang, X Nie, Y **ao… - … Journal of Applied …, 2018 - content.iospress.com
Electromagnetic forming (EMF) is a processing technology using pulsed electromagnetic
force to achieve a high forming speed. It draws wide attention because it significantly …

Electromagnetically activated high-speed hydroforming process: A novel process to overcome the limitations of the electromagnetic forming process

RJ Niaraki, A Fazli, M Soltanpour - CIRP Journal of Manufacturing Science …, 2019 - Elsevier
In this paper, a novel electromagnetically activated high-speed hydroforming process
(EAHF) is introduced. The EAHF process is compared with the electromagnetic forming …

A comprehensive electromagnetic forming approach for large sheet metal forming

Z Lai, Q Cao, X Han, N Liu, X Li, Y Huang, M Chen… - Procedia …, 2017 - Elsevier
By exploiting the potential advantages of electromagnetic forming, a comprehensive
approach has been developed for large sheet metal forming. In this study, this approach was …

A novel process of deep drawing based on electro-permanent magnet combined segmental blank holder technique

H Zhang, S Qin - The International Journal of Advanced Manufacturing …, 2022 - Springer
A new electro-permanent magnet combined blank holder technique has been developed by
using permanent magnetic force to supply the blank holding force (BHF) for sheet metal …

[PDF][PDF] 2011 年以来电磁成形研究进展

熊奇, 唐红涛, 王沐雪, 黄浩, 江进波, 邱立 - 高电压技术, 2019 - researchgate.net
电磁脉冲成形是一种利用洛伦兹力驱动金属材料发生高速变形的先进制造技术, 它诞生于20
世纪60 年代, 潜力巨大却一直被低估. 为此系统介绍了电磁成形理论研究, 仿真模拟, 装备设计 …

Production and use of adaptive pulsed Lorentz force for multi-step electromagnetic sheet metal forming: method, experimental validation, and application

Z Zhang, Z Lai, C Li, Y Zheng, W Xu, Z Wang… - … International Journal of …, 2022 - Springer
This paper proposed a novel electromagnetic actuator to produce an adaptive pulsed
Lorentz force and use it to shape sheet metal workpieces. Such an adaptive pulsed Lorentz …

High-accuracy control of variable blank holding force driven by electromagnetics based on pulse width modulation with grading voltage and mode matching

H Huang, H Sang, L Li, Y Wang, L Zhu, Z Liu - Journal of Materials …, 2023 - Elsevier
Using variable blank holding force, which is conventionally achieved by hydraulic or
mechanical drive, can effectively reduce defects in the forming process. To overcome the …