次世代溶接技術の現象解明及び適用検討に関する研究

概要

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The formation of stable back beads in the first layer weld during one side multilayer welding is important to achieve high quality welded metal joints. The authors thus employed the switch back welding method for welding V groove joints, with 4mm root gap, without using backing plates. In this method, the power source, wire feed motor, and robot manipulators are the computer based cooperative control. In this robotic welding system, there are 4 personal computers. In order to achieve the good quality of the welding, it is important to trace the welding line. The personal computer for controlling of the robot is synchronized with other computers, i.e., the computer controls other units. The suitability of the welding conditions for each root gap was verified by observation of the arc, molten pool and external appearance of back beads.
埼玉大学総合研究機構地域共同研究センター産学連携推進部門の論文