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What is a Tweco® Style MIG Gun?

How many innovative product designs can you name that have lasted half of a century?

In 1969, Tweco Products, Inc. (formerly Townsend Welding Equipment Company) introduced a new MIG assembly design. Tweco’s invention used a single cable to transfer gas, welding wire, and electrical power to the MIG gun. The MIG gun was also a new lightweight, cool-operating design.

Most MIG guns mounted on today’s modern MIG welders follow the fifty-year-old Tweco design. And, many product descriptions include the phrase “Tweco Style” when referring to MIG torches or consumables. Many buyers are left wondering: What is a Tweco Style MIG gun?

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MIG Welding with 100% Argon Shielding Gas

Welders are problem solvers.

We can agree that running out of MIG gas in the middle of a project is a problem.

Since we also tend to experiment, you may have asked yourself if the gas kept on hand for TIG, or MIG welding aluminum could be pressed into service. Would MIG welding with 100% Argon on mild steel let you finish your project without a trip to the local (or not so local) gas supplier?

Or, is it possible to get by with one bottle of 100% Argon welding gas for all your MIG and TIG work?

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What Shade Lens for MIG Welding? The Easy Way to Be Safe

Hands-down, my auto-darkening helmet is my favorite piece of welding safety equipment. I appreciate technology that not only makes a product safer but more comfortable and enjoyable to use.

Adjustable auto-darkening welding helmets protect your eyes from radiation and bright welding arcs with lens coatings and electronic shades from DIN 3 to a super dark DIN 14.

A light shade setting of number 3 or 4 provides enough visibility to position your MIG gun without having to lift your mask, but what shade lens for MIG welding?

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How to MIG Weld Aluminum Without a Spool Gun

You’ve heard the horror stories about MIG welding aluminum without a spool gun—but you’re still thinking of giving it a try.

I get it. Spool guns are expensive and have drawbacks.

Sure, aluminum welding is tricky even if you’re using a $250 spool gun. But if you’re up for the challenge—and have a little patience—I’ll show you techniques and tips to use your welder to MIG weld aluminum without a spool gun.

And you’ll see how one of the most popular 120-volt hobby welding machine does on aluminum straight out of the boxwithout a spool gun.

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