Transcription of MANIPULATING THE SAW VOLTAGE AND CURRENT …
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MANIPULATING THE SAW VOLTAGE AND CURRENT …
MANIPULATING THE SAW VOLTAGE AND CURRENT WAVEFORMS TO control WELDING PRODUCTIVITY AND QUALITY MANIPULATING THE SAW VOLTAGE AND CURRENT WAVEFORMS TO control WELDING PRODUCTIVITY AND QUALITY J. Pepin1, H. Henein2, Ivey2, M. Yarmuch3 1 PCL Industrial Constructors Inc. 2107 - 4 Street Nisku, Canada, T9E 7W6 (*Corresponding author: 780-979-8634) 2 University of Alberta, Edmonton, Alberta, Canada 7th Floor, ECERF Building, 9107 - 116 Street University of Alberta Edmonton, Alberta, T6G 2V4 3 Weldco Companies 12155 154 St NW Edmonton, Alberta, T5V 1J3 Abstract The submerged arc welding (SAW) process uses relatively high CURRENT values and large diameter consumable electrodes to achieve high productivity, good weld quality, and desirable bead profiles. As a result, SAW is used in a wide range of applications, especially with thick-walled components. To achieve even greater deposition rates while maintaining weld quality, it is necessary to better understand the effects of VOLTAGE and CURRENT waveform manipulation, as well as the wide range of variables that can contribute to the overall waveform shapes.
manipulating the saw voltage and current waveforms to control welding productivity and quality
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