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PC-based arc ignition and arc length control system for gas tungsten arc welding

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4 Author(s)
Liu, Y. ; Microprocessor Syst. Inc., Sterling Heights, MI, USA ; Cook, G.E. ; Barnett, R.J. ; Springfield, J.F.

A PC-based digital control system for gas tungsten arc welding (GTAW) is presented. This system controls the arc ignition process, the arc length, and the process of welding termination. A DT2818 made by Data Translation is used for interface and A/D and D/A conversions. The digital I/O ports of the DT2818 are used for control of wirefeed, shield gas, cooling water, welding power supply, etc. The DT2818 is housed in a PC. The welding signals and status are displayed on the screen for in-process monitoring. A user can control the welding process by the keyboard

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Industry Applications, IEEE Transactions on  (Volume:28 ,  Issue: 5 )