Summary: This video explains the differences between alternating current and direct current arc welding machines and shows how an electrical current melts electrodes to supply filler metal. Also demonstrated are electrode leads, workpiece leads, and electrode holders. Electrode sizing and its importance are explained. Set-up and shut-off instructions are shown step-by-step as well as how to use...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2005
View online at AVOD
Summary: There are a lot of similarities between Gas Metal Arc Welding (MIG) and Flux Core Arc Welding, including the use of direct current to provide constant voltage. Viewers will also learn about the different types of electrodes wires used in each outfit. Wire feeders are demonstrated along with the spools that feed them-containing several hundred feet of electrode wire..allowing welders to make...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2005
View online at AVOD
Summary: Gas Tungsten Arc Welding or TIG welding presents special safety concerns. Viewers are warned of the suffocation hazards present when working with inert gases and why good ventilation is required. The video also provides an explanation of how TIG welding differs from other types of welding..in particular the use of non-consumable electrodes. Electrode leads, hoses, regulators, and collets are...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2005
View online at AVOD
Summary: This video very clearly explains and demonstrates the careful and safe method of using the combination of acetylene and oxygen gas cylinders. Pressure regulators, check valves, and hoses and fittings are demonstrated as well as torch tubes and tips. Clear instructions on ignition, use of the outfit, and shutting down are provided along with tips on flame adjustment and methods to direct it to...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2005