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A drifting-arc cutting method includes the following steps: a. Install an arc generator to form arc floating area in between cathode and anode of high voltage electricity; b. Continuously install cutting line with thin and suitable width on workpiece to form the area having relatively high conductivity area; c. Produce relative motion between arc generator and workpiece to keep the cutting line of workpiece located in arc floating area. Let the arc follows the relatively high conductivity area formed on cutting line, and the arc keeps drifting along the cutting line; d. Melt and cut the cutting line for cutting the workpiece.
TW086109647A1997-07-091997-07-09The drifting-arc cutting method and apparatus
TW326414B
(en)