Estudio de productividad en la soldadura del acero MIL A 46100 con los procesos GMAW y SMAW/Study of welding productivity for MIL A 46100 steel weldments produced using GMAW and SMAW

A study was conducted to measure welding productivity for MIL A46100 specification steel joints welded following five different welding procedures (WPS) which used gas metal arc welding (GMAW), in mechanized mode, and shielded metal arc welding (SMAW). E110118M (2,4 mm in diameter) and E312-16 (2,4...

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Bibliographic Details
Published in:Revista Facultad de Ingeniería 2011-06 (59), p.66-66
Main Authors: Robledo, David Mazuera, Gomez, John Alberto Suarez, Barrada, Jorge Enrique Giraldo
Format: Article
Language:eng ; spa
Subjects:
Electrodes
Gas metal arc welding
Productivity
Shielded metal arc welding
Sprays
Steels
Welding
Weldments
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Summary:A study was conducted to measure welding productivity for MIL A46100 specification steel joints welded following five different welding procedures (WPS) which used gas metal arc welding (GMAW), in mechanized mode, and shielded metal arc welding (SMAW). E110118M (2,4 mm in diameter) and E312-16 (2,4 and 3,2 mm in diameter) electrodes were used for SMAW. Spray and short circuit metal transfer modes were used for GMAW procedures. Single pass weldments were made using GMAW and SMAW (with E312- 16 phi 3,2 mm) procedures using copper baking plates; the remaining joints were done using two passes procedures needing root grinding prior to the second pass. It was found a cost reduction of up to 75% when GMAW procedures are used and the time for joint completion is reduced by nearly 80% when compared to the SMAW procedures leading to a potential increase in production rate. - Keywords: Gas metal arc welding, shielded metal arc welding, welding productivity, productivity measurement
ISSN:0120-6230
2422-2844