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Author
Articles written by Bill Giese
Results: 6
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Troubleshooting welding conductivityWhen MIG welding, are you experiencing an erratic, sputtering arc; a gradual need to increase voltage at the power source; discoloration of copper cable strands or the liner; increased contact tip burnbacks; or inconsistent weld appearance? If so, your problem could be poor conductivity caused by electrical resistance.
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Tips for troubleshooting GMAW consumablesBeing able to quickly and accurately identify the source of GMAW consumable problems will save you both money and frustration.
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The tipping pointIncorrect contact tip recess can cause excessive spatter, burn-through and warping, insufficient penetration, and porosity. Welders who become familiar with correct tip recess can avoid these problems as well as unnecessary equipment upgrades yet still improve GMAW quality.
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Great welds need the right gasUsing an inappropriate gas mixture and consumables for a particular GMAW application can cause porosity and excessive spatter, factors that diminish weld quality. Which gases work best with which materials? Why is nozzle selection important? This article addresses these and other questions about GMAW gas and consumables.
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GMAW guns: More than a commodityMany welders think of GMAW guns as just a commodity. However, all of the parts in a GMAW gun have a direct impact on the time it takes to make a weld and its quality.
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How to choose the consumables you useEditor's Note: This article, which covers consumables for gas metal arc welding, is the first installment of a two-part article. Part IIwill discuss gas tungsten arc welding consumables.
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