Topic
Arc welding
About: Arc welding is a research topic. Over the lifetime, 25393 publications have been published within this topic receiving 168182 citations.
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TL;DR: In this paper, the effects of laser and arc arrangement on weld integrity for the hybrid laser arc welding processes were investigated for a high-strength steel using a 4-kW Nd: YAG laser and a metal active gas (MAG) welding facility under two configurations of arc-laser hybrid welding (ALHW) and laser-arc hybrid welding(LAHW).
41 citations
TL;DR: In this article, a mathematical model is proposed to estimate the occurrence of data deficiency in a vision sensor in the welding process, which falls into two classifications: the shadow effect and the missing field of view (FOV).
41 citations
Journal Article•
41 citations
Patent•
17 Sep 1986
TL;DR: In this paper, an arc welder control in which the current is pulsed between a high level and a low level is described. And a proximity control moves the torch head and the feed wire tip toward and away from the work to stabilize a parameter of welder operation which may deviate with the current pulse energy control.
Abstract: An arc welder control in which the current is pulsed between a high level and a low level. The high level pulse is maintained until a selected energy condition is satisfied. The low level pulse is maintained to satisfy an average energy condition. A proximity control moves the torch head and the feed wire tip toward and away from the work to stabilize a parameter of welder operation which may deviate with the current pulse energy control.
41 citations
TL;DR: Closed-loop control experiments have verified the effectiveness of the developed system as a robust control which requires no re-adjustment and can function properly when fluctuations/variations in manufacturing conditions, and thus the process dynamics, change, vary, or fluctuate.
41 citations