This process is a very smooth transfer of molten metal droplets from the end of the electrode to the molten pool.
Spool gun mig welding aluminum.
When welding mild steel you typically use what s called c25 gas 25 co2 and 75 argon.
That is the reason for spool guns.
With a spool gun the wire only has toe fed for a few inches.
Whereas with a conventional mig setup the liner is usually about 8 10 feet long.
Aluminum wire is commonly fed with a spool gun or with a push pull system.
This cuts down on the length the aluminum wire has to travel putting on drive rollers that are u shaped so as not to distort the aluminum wire as it.
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.
Most economical and reliable spool gun in its class.
For aluminum mig welding you would use pure argon shielding gas.
If you re an owner of the popular and affordable hobart handler 140 mig welder you might be disappointed to learn your welder is not spool gun capable and surprised to discover that it can weld aluminum right out of the box.
Rated at 160 amps at 60 duty cycle ideal for welding with 023 035 wires.
Perfect for use with the millermatic 212 auto set.
Mig welding can be employed for aluminum of a 14.
More tips for spool gun mig aluminum welding spool guns make me feel powerful.
Now that you know how mig welding for aluminum differs from mig welding steel and why the regular mig welder for steel is not suitable for welding aluminum we can now move on to some useful tips for aluminum welding using a spool gun.
Mig welding aluminum gas mixture.
Mig weld aluminum without a spool gun.
Spool guns improve feeding of soft wires by locating a small pool of wire on a pistol grip.
Tips for aluminum welding with a spool gun.
Aluminum wire is much softer than steel and is hard to feed very far thru a liner.
When mig welding aluminum with a spool gun using the proper travel angle and technique can improve your aluminum welding results.
When mig welding aluminum the desired mode is spray transfer.
In this video andy weyenb.
The benefit of having a spool gun is that the aluminum wire doesn t have to travel through the mig hose where it will likely get ratted up.
