Whereas with a conventional mig setup the liner is usually about 8 10 feet long.
Spool gun mig welding aluminum.
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.
Mig welding aluminum gas mixture.
Mig welding can be employed for aluminum of a 14.
Rated at 160 amps at 60 duty cycle ideal for welding with 023 035 wires.
Hobart handler 140 mig welding aluminum with no spool gun.
This process is a very smooth transfer of molten metal droplets from the end of the electrode to the molten pool.
With a spool gun the wire only has toe fed for a few inches.
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.
Aluminum wire is commonly fed with a spool gun or with a push pull system.
When welding mild steel you typically use what s called c25 gas 25 co2 and 75 argon.
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.
In this video andy weyenb.
Designed specifically for home hobbyists light fabricators.
More tips for spool gun mig aluminum welding spool guns make me feel powerful.
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 160 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.
That is the reason for spool guns.
Most economical and reliable spool gun in its class.
When mig welding aluminum with a spool gun using the proper travel angle and technique can improve your aluminum welding results.
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.
For aluminum mig welding you would use pure argon shielding gas.
Perfect for use with the millermatic 212 auto set.
Spool guns improve feeding of soft wires by locating a small pool of wire on a pistol grip.