Vlog 5 of my boat camper build.
Mig welding aluminum without spool gun.
Tips for mig welding aluminum without a spool gun try a long stick out of to save contact tips.
In this video you can see that when mig welding aluminum the weld puddle is pushed and not pulled.
I ve been struggling for over a month to get a knockoff spool gu.
Check that tip remains centered in the nozzle or arcing may occur.
For mig welding aluminum you really need a spool gun.
Lotos mig175 175amp mig welder with free spool gun mask aluminum welding wires solid wires argon regulator standard mig gun 4 6 out of 5 stars 161 misc.
Some claim to have success welding aluminum without a spool gun and you could try by getting yourself the shortest cable to your mig gun you can find.
You can also notice the cleaning action of the arc around the edges of the weld puddle that breaks up the aluminum oxide and allows the puddle to wet in to the base metal.
If possible adjusting the nozzle out 1 4 helps to maintain gas coverage.