Until recent years, industrial robots had been limited to resistance spot welding applications. In about 1975, automatic, continuous — seam MIG (metal inert gas) arc welding systems began to be developed. The use of robots for arc welding is now growing rapidly, and is expected to constitute 15% of U.S. unit sales by 1990, exceeding spot welding robotic applications. In arc welding, robots increase arc time, remove operators from hazardous environments and reduce the cost of worker protection.
KeywordsSpot Welding Welding Torch Welding Robot Seam Tracking Welding Application
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