John Luck

Contributing Writer
Miller Electric Mfg. Co.
1635 W. Spencer St.
P.O. Box 1079
Appleton, WI 54912

Phone: 800-426-4553

alternating current welding

Aluminum Welding | Articles | The FABRICATOR

Riding the right wave in aluminum welding

May 19, 2009 | By John Luck

Gas tungsten arc welding (GTAW), or tungsten inert gas (TIG) welding, often is thought of as the most difficult welding process to master. Fortunately for welders, several technological advances have occurred, forcing many to rethink their assumptions. Alternating current (AC) GTAW is no longer...

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chinese imperial water dragon

Arc Welding | Articles

Eagles, dragons: Stainless steel takes on many forms

October 14, 2008 | By John Luck

Metal fabricator Kevin Stone uses gas tungsten arc welding (GTAW) to sculpt massive pieces of art from stainless steel. Read about Stone's creative and technical processes and discover important tips that can improve your stainless steel welding.

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GTAW adjustable output frequency

Arc Welding | Articles | Practical Welding Today

What's your frequency

January 15, 2008 | By John Luck

More knowledge about adjustable-output frequency has played a significant role in the development of new technologies that have made GTAW applications more reliable and adaptable.

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Wheelchair rugby players

Aluminum Welding | Articles | The Tube & Pipe Journal

These aren't your grandparents' wheelchairs

December 11, 2007 | By John Luck

Vesco Metal Craft, a manufacturer of rugby wheelchairs, makes specialized wheelchairs from 6061 seamless aluminum tubing. This violent, collision-oriented sport causes cracks in the welds' heat-affected zone, so the company sought better manufacturing methods. It added heat-treating to its process and switched to an inverter-based welding unit that gives the company's welders advanced waveform control.

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