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Weld bead modeling and process optimization in Hybrid Layered Manufacturing

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Title Weld bead modeling and process optimization in Hybrid Layered Manufacturing
 
Creator SURYAKUMAR, S
KARUNAKARAN, KP
BERNARD, A
CHANDRASEKHAR, U
RAGHAVENDER, N
SHARMA, D
 
Subject METAL
GEOMETRY
Rapid prototyping
Rapid manufacturing
CNC machining
Gas metal arc welding
 
Description Hybrid Layered Manufacturing is a Rapid Manufacturing process in which the metallic object is built in layers using weld deposition. Each layer built through overlapping beads is face milled to remove the scales and scallops and ensure Z-accuracy. The formations of single beads and overlapping multiple beads are modeled in this paper. While the individual bead's geometry is influenced by the size of the filler wire and the speeds of the wire and torch, the step over increment between the consecutive beads additionally comes into the picture for the multiple bead deposition. These models were validated experimentally. They are useful not only to predict the bead's shape but also to optimize the three process parameters. (C) 2011 Elsevier Ltd. All rights reserved.
 
Publisher ELSEVIER SCI LTD
 
Date 2012-06-26T06:24:18Z
2012-06-26T06:24:18Z
2011
 
Type Article
 
Identifier COMPUTER-AIDED DESIGN,43(4)331-344
0010-4485
http://dx.doi.org/10.1016/j.cad.2011.01.006
http://dspace.library.iitb.ac.in/jspui/handle/100/14029
 
Language English