I assume were talking push pull , and if that's the case that's frustrating because I had a Python push pull 20 ft i sold because when I called in they absolutely said it would not work and they had no plans for a push pull gun in the works for there machine. Really to my knowledge the majority of pulse mig welding is used for aluminum not steal. So to have this feature and not a push pull gun is counter productive since most guys who would use this feature would prefer a push pull gun. But all things in time. I'm interested in getting feed back on how the pulse feature works on this machine for aluminum. Thanks again
Push pull guns have to be set up with a low torque drive motor, and are usually digitally controlled. We've talked with cobra about this...and discussed it at length. It's not something we are saying just to discourage it. These are not low torque which are designed to stall or slow if they get ahead of the Pull motor. A push pull gun even for china, costs us MORE than what we retail the basic machine for...most of our customers do not want to spend that kind of money, and the market is not there to support that yet. Pulse MIG welding, particularly single pulse is designed for Steel, stainless and aluminum...not just aluminum and it is used frequently for items like chrome moly. It can be used for open root and because it runs cooler than spray is used for rapid deposit overhead and out of position. True axial spray cannot be run on much of anything but the flat position. But at the same time, a pulse on pulse (double pulse) is more geared toward aluminum, than single pulse.
Last edited by performance; 04-20-2014 at 08:11 PM.
Mark
performance@everlastwelders.com
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