Welding Aluminum Mig Settings. There are a variety of other machine settings that must be finely-tuned for the weld to be successful. Aluminum MIG welding requires a welder to move around especially with your MIG gun and for the wire speed to push the wire into the joint.
When Stick or TIG welding the main setting is amperage but it is the voltage that fluctuates depending on the arc length. For helium argon mixes 50 - 100 cufthr. See if your welder includes aluminum settings on a chart or in the owners manual.
Take it as a starting point but use other pages on this tutorial such as the page about setting wire speed and the one about finding the right voltage.
There are a variety of other machine settings that must be finely-tuned for the weld to be successful. Ad Find China Manufacturers Of Aluminum Welding. Use an aluminum feeding kit to feed the electrodes and soft aluminum wire. If you use an argon flowmeter and a helium mix and set at 40 cuft an hr you may get 50 more gas than you need.