考虑磁场区影响的电控永磁压边方法

doi:10.3969/j.issn.1004-132X.2023.01.012

中国机械工程 ›› 2023, Vol. 34 ›› Issue (01): 102-108.DOI: 10.3969/j.issn.1004-132X.2023.01.012

考虑磁场区影响的电控永磁压边方法

史锐;秦泗吉;潘自给;陈浩东;李学洋

燕山大学先进锻压成形技术与科学教育部重点实验室，秦皇岛，066004

出版日期:2023-01-10 发布日期:2023-02-02
通讯作者: 秦泗吉（通信作者），男，1963年生，教授、博士研究生导师。研究方向为板材成形新工艺、先进成形设备等。E-mail:plastics@ysu.edu.cn。
作者简介:史锐，男，1996年生，硕士研究生。研究方向为板材成形与电控永磁辅助成形。E-mail:ruishi6795@126.com。
基金资助:
国家自然科学基金(51675466，51175451)；河北省自然科学基金(E2018203373)

An Electro-permanent Magnet Blank Holder Method Considering Influences of Magnetic Field Region

SHI Rui;QIN Siji;PAN Ziji;CHEN Haodong;LI Xueyang

Key Laboratory of Advanced Forging & Stamping Technology and Science,Ministry of Education,Yanshan University,Qinhuangdao,Hebei,066004

Online:2023-01-10 Published:2023-02-02

摘要/Abstract

摘要： 电控永磁压边方法具有独立加载、传动链短、节能、易于控制等优点。针对铁磁性板材成形，提出了一种新的成形区和磁场区重合的电控永磁压边方法。以圆筒形件的拉深成形为例，采用新设计的压边装置对不同压边力加载条件下的结构变形进行了磁力耦合有限元模拟，分析了板坯磁性对磁场和压边力分布的影响。由分析结果可知，新设计的压边力加载装置的刚度明显提高，新压边方法具有更好的压边效果，模具结构更紧凑。根据模拟和理论分析结果设计制作了拉深试验装置。实验结果表明，将成形区和磁场区重合的电控永磁压边方法是完全可行的。

关键词: 板材成形, 拉深, 电控永磁, 压边力控制

Abstract: Considering that the EPM blank holder method had the advantages of independent loading, short transmission chain, energy saving and easy control, a new electronically controlled permanent magnet blank holder method with overlap of forming area and magnetic field area was proposed for ferromagnetic sheet forming. Taking the deep drawing of cylindrical parts as an example, the magnetic-mechanics coupling finite element simulation of structural deformations was carried out under different blank holder force loading conditions by using the newly designed blank holder device. And the influences of slab magnetism on the distributions of magnetic fields and blank holder forces were analyzed. The analysis results reveal that the stiffness of newly designed blank holder force loading devices is significantly improved, the new blank holder method has better blank holder effectiveness, and the die structure is more compact. According to the simulation and theoretical analysis results, a deep drawing experimental device was designed and manufactured. The experimental results show that the method of electronically controlled permanent magnet blank holder with the overlap the forming areas and magnetic field areas is completely feasible.

Key words: sheet forming, deep drawing, electro-permanent magnet(EPM), blank holder force control

中图分类号:

TG386.41

史锐, 秦泗吉, 潘自给, 陈浩东, 李学洋. 考虑磁场区影响的电控永磁压边方法[J]. 中国机械工程, 2023, 34(01): 102-108.

SHI Rui, QIN Siji, PAN Ziji, CHEN Haodong, LI Xueyang. An Electro-permanent Magnet Blank Holder Method Considering Influences of Magnetic Field Region[J]. China Mechanical Engineering, 2023, 34(01): 102-108.

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考虑磁场区影响的电控永磁压边方法

An Electro-permanent Magnet Blank Holder Method Considering Influences of Magnetic Field Region

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