Automatic welding method for Q550D high-strength steel flat robot

The invention discloses a Q550D high-strength steel flat robot automatic welding method which comprises the following steps: (1) welding groove processing is carried out, no truncated edge is left, and a groove root gap is 1-3mm; (2) welding a base coat by adopting solid argon-rich gas shielded weld...

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Hauptverfasser: MIN ZHIQING, QIN LEI, NI JINRONG, CHEN ZHENGKAI, LI YANGUO, LIU TENG, GU WEN, ZHU FENG, NI HAIQIANG
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creator MIN ZHIQING
QIN LEI
NI JINRONG
CHEN ZHENGKAI
LI YANGUO
LIU TENG
GU WEN
ZHU FENG
NI HAIQIANG
description The invention discloses a Q550D high-strength steel flat robot automatic welding method which comprises the following steps: (1) welding groove processing is carried out, no truncated edge is left, and a groove root gap is 1-3mm; (2) welding a base coat by adopting solid argon-rich gas shielded welding; (3) welding a filling layer by adopting flux-cored wire CO2 gas shielded welding; and (4) a flux-cored wire CO2 gas protection robot is adopted for automatic welding to conduct cover layer welding. According to the invention, the welding problem of single-side welding and double-side forming of the butt welding seam in the state of no backing and no back gouging is solved, and the one-time flaw detection qualification rate of the butt welding seam can be effectively ensured; filling or cosmetic welding is conducted in an automatic welding mode of a robot matched with flux-cored wire shielded welding, the automation degree of the welding process is high, and appearance forming of a welded seam is uniform and at
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subjects CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
title Automatic welding method for Q550D high-strength steel flat robot
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