Switch closed, electricity flows from DC-power source to electrodeDC-power sourceLonized column of dielectric fluidNegative electrode polarityElectrons flow from negative to positiveDielectric fluidWorkpiece positive polarityFigure 3-12. Spark-electron flow sith negative electrode polarity.Lonized column of dielectric fluidElectrodeNegative polarity.Dielectric fluidPositive polarity.WorkpieceElectrons bombard workpiece surfaceElectrons travel at the speed of light through ionized columnFigure 3-13. Electrons bombard workpirce surface.Positive polarity.WorkpieceDielectric fluidElectrodeElectrons bombard workpiece surface to form positive-charge vapor cloudNegative polarity.Lonized column of dielectric fluidFigure 3-14. Electron bombardment produces vapor cloud.
đang được dịch, vui lòng đợi..
