Advanced Semi-Automatic Processes

WEL209

Principles and applications of advanced modes of transfer for gas metal arc welding (GMAW) and submerged arc welding (SAW) applied to ferrous and non-ferrous materials. Development of practical hands-on techniques include the set up and execution of advanced waveforms on various forms of ferrous and non-ferrous materials in all positions. Topics include single- and multi-pass welds using a variety of shielding gases (dual and tri-mix), electrode wire types, diameters, waveforms and transfer modes, as well as material properties and classifications, electrode properties and classifications, and flux properties and classifications. Emphasis on modified short circuit (STT, RMD, CMT), GMAW-CV, and GMAW-P for steel, aluminum, and stainless steels as well as SAW for steel. Fall Only.

4 Credits: 1 Lecture, 9 Lab

Prerequisites:
WEL142; or
WEL120 and WEL124

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