METHOD FOR ASSEMBLING WELDED LARGE-SIZE THICK-SHEET ORTHOTROPIC PLATES OF CARBON LOW-ALLOY STEELS FOR AUTOMATIC WELDING

FIELD: processes for making large-size thick-sheet orthotropic plates of carbon low-alloy steels in different branches of industry, particularly for bridge building. ^ SUBSTANCE: method comprises steps of relative orienting members of orthotropic plates; tack welding oriented members by means of non...

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Hauptverfasser:	MURAV'EV I.I, GUR'EV S.V
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	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
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Beschreibung
Zusammenfassung:	FIELD: processes for making large-size thick-sheet orthotropic plates of carbon low-alloy steels in different branches of industry, particularly for bridge building. ^ SUBSTANCE: method comprises steps of relative orienting members of orthotropic plates; tack welding oriented members by means of non-consumable tungsten electrode in mixture of shield gases Ar (95 - 97)% + (3 - 5%) CO2 ; performing automatic continuous-seam welding and then trimming surface of welded seam. It allows simplify method for making welded large-size thick-sheet orthotropic plates of carbon low-alloy steels. ^ EFFECT: lowered labor consumption, shortened time cycle for making enhanced-quality plates, improved reliability of welded structures. ^ 6 dwg, 1 ex