How AC TIG Welding Waveforms Affect Aluminum Welds

Explore the real impact of different AC TIG welding waveforms on aluminum welds in this 17-minute tutorial from Weld.com. Watch as Austin demonstrates how sine, square, triangle, and trapezoid waveforms affect penetration, cleaning action, and bead profile through practical demonstrations and cross-sectional analysis. Learn about various machine settings on the Everlast Typhoon 230 and see the results of combining different waveforms with pulse settings. The video includes detailed comparisons through cut and etch techniques to visually show the differences in weld quality. Perfect for welders looking to improve their aluminum TIG welding skills by understanding how waveform selection directly impacts weld characteristics and performance.

Syllabus

00:00 Introduction
01:54 Types Of AC Welding Waveforms
03:15 Machine Settings On Everlast Typhoon 230
06:42 TIG Welding With AC Soft Square Wave
08:17 TIG Welding With AC Advance Square Wave
09:09 TIG Welding With AC Sine Wave
09:41 TIG Welding With AC Triangle Wave
10:06 TIG Welding With AC Trapezoid Wave
10:50 Mixing A Trapezoid & Triangle AC Wave
12:09 Mixing A Square & Triangle AC Wave With Pulse
14:13 Comparing Cross Sectional Cut & Etch