The influence of high power diode laser in hybrid laser-controlled dip transfer GMA welding
This paper describes an initial investigation of hybrid laser welding in conjunction with enhanced control short-circuiting techniques in Gas Metal Arc Welding (GMAW). A high power diode laser has been used together with controlled dip transfer, to improve deposition rate while achieving deep penetration, high welding speed and high quality butt welds in thin plain carbon steel sheet. The effect of the laser energy on the inherent control of the GMAW system is discussed and the results are compared with conventional enhanced controlled dip transfer GMAW.
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