July 1, 2009 | By Jennifer Simpson
Even though money is tight, saving it by purchasing less reputable GTAW torches or skimping on maintenance practices can cause more harm than good in the long run.
September 12, 2006 | By Jennifer Simpson
Once you know some basic information about the equipment on the front of your GTAW torch, you can get the right parts for your application and start improving your welding performance.
July 11, 2006 | By Jennifer Simpson
Shielding gas is an often overlooked area of savings in tube and pipe welding. Creating a purge dam in one of several different ways can help you isolate the weld area and minimize the amount of gas and time needed to purge the weld zone properly.
March 7, 2006 | By Jennifer Simpson
George Bright and David Anthony are two welders who had the same goal: to upgrade their GTAW systems. Learn about their experiences and gain some insight into what you need to know to upgrade from an air-cooled to a water-cooled GTAW system.
Plasma arc welding (PAW) uses plasma, a gas that has been heated to a high temperature and ionized. The plasma becomes electrically conductive, transferring an electric arc to the workpiece through a small orifice.