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Screw extractor machine
1.A tool for forcing a pin/bolt/rivet in or out of a hole.
2.To remove or crush a broken screw in machine or metal sheet without any damage to the workpieces
3.Processing ordinary metal and cemented carbide,making small holes, irregular holes;small die, die casting molds,used as small EDM drilling machine
4.Crush or extracting breaking screw taps in metal holes without any damage to the workpieces.
5.Make letters in roll or other metals.

1.Supply voltage:220V
2.Power:600W
3.Power frequency:50HZ~60HZ
4.Circuitvoltage:(DC)70V~95V
5.Maximum electrode diameter: ¢ 0.5 ~ 6.5mm
6.Manual spindle head travel: 150mm
7.Automatic feed travel: 50mm
How to work?
The machine adopts C-type ND-D transformer single-phase reversible motor, to achieve short-circuit feed and automatically back action.ND-D single-phase reversible motor driven screw,make the electrode in drill move up and down with the feed nut.When it slowly decline, close to begin working ,remove waste with electromagnetic vibratorlitter , no damage to the workpiece, and increase the sensitivity of system as well