by generalair | Oct 23, 2018 | Tech Talks
When Metal-Cored Wire Is A Better Choice Than Solid Wire Metal-Cored wire, like sold wire, is an AWS A5.18 mild steel GMAW or MIG wire. However, this wire is not a solid wire but rather a composite, tubular wire filled with iron powder and, sometimes, various alloys...
by generalair | Oct 23, 2018 | Tech Talks
Welding Variables: Talking Voltage and Amperage There are so many welding variables that influence a weld’s quality; the variables are amps, volts, travel speed, filler metal, shielding gas, base material, etc. But have you ever stopped to think about how they...
by generalair | Oct 23, 2018 | Tech Talks
Over-welding: Almost Everybody Does it to No Benefit Countless times throughout my career I have heard people say “I know the print calls for a 3/16” fillet, but I know it is not enough.” As a result, the welds end up being a 5/16” fillet. And while there are times...
by generalair | Oct 22, 2018 | Tech Talks
Eliminate High Resistance Areas Poor arc quality can be caused by a high resistance. This produces a “hot spot” due to undersized welding cables or even correctly sized cables that have cuts or splices. When you have a poor arc, double check that the weld cables are...
by generalair | Oct 22, 2018 | Tech Talks
Simple Solutions Oftentimes, little, painfully annoying welding problems are caused by commonly overlooked culprits. Throughout my career, I have observed frustrated welders that are achieving substandard welds. Many of the substandard welds are believed to be a...
