Design of a Magnetic Field Generator for Compression Plasma Discharge Channel of Micro EDM Deposition

Peng Zilong, Liu Yonghong, Li Yinan, Zhang Yiyao, Li Wang

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A magnetic field generator for compression plasma discharge channel of micro EDM deposition has been designed. The self-magnetic field type by discharge current in the plasma channel of micro EDM deposition process has been analyzed. It presents a stable gradient annular magnetic field with the variables of discharge current and the distance from the discharge center. The force analysis of the charged particles in the discharge plasma channel under the self-magnetic field has been researched. The design principles of external magnetic field for enhancing the self-magnetic field to influence the machining performance have been put forward. Then, the structure type and dimension of external magnetic field generator have been determined. Results show that the external magnetic generator has the capability to enhance the self-magnetic field for compression plasma discharge channel with the proper structure parameters. With the increasing of the number of turns to 20, the external magnetic generator can influence the range of 0.10mm to 0.20mm from discharge channel center.

    Original languageEnglish
    Pages (from-to)339-350
    Number of pages12
    JournalInternational Journal of Control and Automation
    Volume7
    Issue number6
    DOIs
    Publication statusPublished - 2014

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