Best Mig Welding Guns

Spool Guns

• Pros:
  • "Spool guns are just a luxury to make life easier not a necessity."
  • Can be more convenient for welding aluminum.
• Cons:
  • May require changing liner and contact tips.

Push-Pull Guns

• Pros:
  • "My old shop had two push-pull aluminum welders. Set them correctly and they ran really well."
  • Can work well with aluminum welding.
• Cons:
  • "It will be a pain and it'll bird's-nest a few times til you get going."

Using Mig Welder for Aluminum

• Pros:
  • "Yes you can, and yes it does work."
  • “Cleaning and preheating will help a lot.”
• Cons:
  • "AC is optimum, DC is possible though."
  • "It can be frustrating and may require trial and error."

Recommended Equipment

• Teflon Liner and Aluminum-Specific Rollers
• Contact Tip 1 Size Over the Wire
• Proper Gas and Wire

General Tips

• Avoid galvanized material, wear protective gear, and practice on scrap.
• Consider using a dedicated liner and rollers for aluminum welding.
• Use gasless mig cautiously due to smoke issues.
• Increase wire speed slightly higher than recommended for better results.