EMD a business unit of Curtiss-Wright in Cheswick, PA designs, manufactures, tests, and provides after-market support for the most advanced, proven and reliable critical function pumps, motors, generators, seals, control rod drive mechanisms and power conditioning electronics available anywhere in the world today. + Consider different factors such as electrode selection, voltage, amperage, arc length, electrode position,preheat, interpass temperatures, travel speeds, wire feed speed, and gas flow when troubleshooting tosatisfy design requirements.