How do I prevent wire feeding problems when using MIG welders (GMAW) or flux-cored arc welding (FCAW) processes?
Wire feed problems with a MIG welder can be caused by a variety of circumstances. Some of the most common reasons for wire feeding issues include: (more…)
When MIG welding was first invented, it used a constant voltage source of electricity for the arc. While this method is still used today, the invention of pulsed MIG (or MIG pulse) welders has allowed welders to realize several advantages over conventional MIG welders, several are listed below:
Pulsed MIG can be used to weld thin materials. Conventional MIG welders run at a constant amperage whereas pulsed GMAW welding runs a peak and background amperage. The constant switching between these two amperages enables the welder to put out a lower overall heat input into the material. This helps prevent blowouts on thin materials.
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