Automation in Welding
The requirements for welding process control are discussed in terms of today's numerical control, adaptive control and optimum control concepts and the future requirements for welding process automation are indicated. The advances in automatic welding made over the last 20 years are reviewed by example. Multiaxis positioning, seam tracking systems, penetration controls and other fusion welding control devices as developed during the 1960's are reviewed. The utilization of almost completely automated resistance spot welding operations in the automotive industry is also covered. Although the development of automated fusion welding processes has been slow, the advent of minicomputers should quicken the pace of automated welding applications in industry. Wider applications for automated welding systems outside quantity production, will come with new quality sensing systems, standardization and adaptation of weldment designs for automated welding.
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