by generalair | Mar 18, 2019 | Tech Talks
A voltage sensing, or “across-the arc” wire feeder is very popular and very misunderstood, so let’s start from the beginning. What is a feeder? What is it? A feeder, usually in a suitcase or pelican box, that can run on a constant voltage (CV) power...
by generalair | Mar 15, 2019 | Tech Talks
Not All Constant Voltage is Equal Constant Voltage (CV) is the most common output for wire processes, but both Miller and Lincoln sometimes use the term loosely. The Miller Bobcat volt-amp curve (Figure 1), for example, looks nothing like a traditional CONSTANT...
by generalair | Oct 23, 2018 | Tech Talks
All Position Welding Productivity with Dual Wire Feeders Dual wire feeders have never really caught fire, in part, because fabricators see the price and don’t see the justification. Connected to ROI, there may be some misunderstanding with regard to in-position...
by generalair | Oct 23, 2018 | Tech Talks
The Many Advantages of Pulsed MIG In the coming years, the strongest companies will prevail. Those companies will likely have a strong history of cost reduction by way of improved efficiencies and output. Manufacturers and fabricators that rely on labor-intensive arcs...
by generalair | Oct 23, 2018 | Tech Talks
Myth Exposed: Electrode Diameter and Current Density Selecting the correct wire diameter for MIG, Submerged Arc (SAW), and Flux Cored Arc (FCAW) welding can be a challenge. That is because there are two (often misunderstood) statements associated with electrode...
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...
