Research on Magnetic Field Assisted EDM for SiC/Al and Development of Experimental Platform

WANG Kan; WANG Jinlai; FAN Zhe; XU Xiangyu; LI Fuqian

doi:10.16080/j.issn1671-833x.2023.13.046

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Research on Magnetic Field Assisted EDM for SiC/Al and Development of Experimental Platform

更新时间：2025-10-30

- Research on Magnetic Field Assisted EDM for SiC/Al and Development of Experimental Platform
- Aeronautical Manufacturing Technology Vol. 66, Issue 13, Pages: 46-52(2023)
- 作者机构：
  
  1. 山东大学,威海,264209
  2. 中国科学院海洋研究所,青岛,266071
  3. 山东金瓢食品机械股份有限公司,威海,264300
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2023.13.046
  CLC：
- Published：2023
- 稿件说明：
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王侃，王金来，范哲，许祥宇，李府谦. 磁场辅助电火花加工平台开发及SiCp/Al 加工试验研究[J]. 航空制造技术, 2023, 66(13): 46-52.

WANG Kan, WANG Jinlai, FAN Zhe, XU Xiangyu, LI Fuqian. Research on Magnetic Field Assisted EDM for SiCp/Al and Development of Experimental Platform[J]. Aeronautical Manufacturing Technology, 2023, 66(13): 46-52.
王侃，王金来，范哲，许祥宇，李府谦. 磁场辅助电火花加工平台开发及SiCp/Al 加工试验研究[J]. 航空制造技术, 2023, 66(13): 46-52. DOI： 10.16080/j.issn1671-833x.2023.13.046.

WANG Kan, WANG Jinlai, FAN Zhe, XU Xiangyu, LI Fuqian. Research on Magnetic Field Assisted EDM for SiCp/Al and Development of Experimental Platform[J]. Aeronautical Manufacturing Technology, 2023, 66(13): 46-52. DOI： 10.16080/j.issn1671-833x.2023.13.046.

摘要

结合微细电火花加工的技术特点，对微细电火花加工控制系统进行模块化设计，完成了磁场辅助电火花加工系统试验平台搭建，基于LabWindows/CVI 环境开发了人机交互操作界面，进行了磁场辅助电火花微孔加工试验，验证了该微细电火花加工机床的稳定性。单脉冲试验结果表明，放电持续时间随着磁感应强度的增大而变长，磁感应强度的增大使放电凹坑直径增加、深度减小，材料去除体积增大。微孔加工试验结果表明，适当的外部磁场对电火花加工性能有显著的提升作用。施加0.3 T 的外部磁场时，材料去除率得到提高，表面粗糙度有所降低。体积分数越大的SiC

/Al 复合材料去除率提高越明显，体积分数为65% 的SiC

/Al 复合材料在施加外部磁场后，材料去除率提升高达96.85%。

Abstract

Based on the characteristics of micro electrical discharge machining (EDM)

the modular design of control system of micro-EDM has been carried out

and the experimental platform of magnetic field assisted EDM system has been built. The human–computer interactive (HCI) operation interface was developed based on LabWindows/CVI environment. The micro-EDM drilling experiments were conducted to verify the stability of the micro-EDM machine. The experiment of single pulse EDM showed that the discharge duration increases with the increase of magnetic induction intensity. With the increase of magnetic induction intensity

the diameter of the crater and volume of the material removal has increased

the depth of the crate

r has decreased. The experiment of micro hole machining shows that proper external magnetic field can improve the performance of EDM significantly. When magnetic induction intensity is 0.3 T

the magnetic field can increase the rate of material removal whereas reduce the surface roughness. Material removal rate growth will be more obvious when the volume fraction of SiC

/Al is larger. Compared with no magnetic field

material removal rate of SiC

/Al composites with 65% volume fraction increased by up to 96.85%.

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