Contact arc metal drilling is a thermal process for creating drill holes in metallic structures in the underwater area. Starting from a welding power source, an electric current is conducted to the tool electrode. After brief contact between the tool electrode and the workpiece, an electric arc ignites and melts the workpiece material locally. The tool electrode is designed as a rod and has a rectangular cross-section.
Contact arc metal drilling is a thermal process for creating drill holes in metallic structures in the underwater area. Starting from a welding power source, an electric current is conducted to the tool electrode. After brief contact between the tool electrode and the workpiece, an electric arc ignites and melts the workpiece material locally. The tool electrode is designed as a rod and has a rectangular cross-section.
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