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电火花加工施加正交磁场,对放电凹坑有显著影响。放电凹坑在磁场洛伦兹力作用下的移动,还受电极材料及电极表面氧化膜的影响。
EDM applied orthogonal magnetic field, have a significant impact on the discharge pits. Discharge pits in the magnetic Lorentz force movement, but also by the electrode material and electrode surface oxide film.