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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 equipment safely. Uses of Shielded Metal Arc Welding are discussed and demonstrated. (12 min.) A Meridian Production.



 
                    

Item#: This title is currently not available.
Copyright date: ©1998



Part of the Series : Introduction to Welding
     


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Safety First: Welding Shop Safety

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Metal Shop Safety

This program is a fast-paced, informative video that demonstrates the kind of precautions that should be taken when working with metals. Sheet metal work, soldering, welding, foundry work, forging, along with general safety are summarized. Footage of...(more details)
 
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Introduction to Gas Metal Arc Welding and Flux Core Welding
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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....(more details)
 
Introduction to Gas Tungsten Arc Welding
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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 weld...(more details)
 


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