An Investigation On Relationship Between Process Control Parameters And Weld Penetration For Robotic CO2 Arc Welding Using Factorial Design Approach

Chitrambalam, S. Thiru and Chew, Lai Huat and Phang, Boo Onn and Sundaram, Hemavathi and Mohamad, Imran Syakir and Mat, Shafizal (2010) An Investigation On Relationship Between Process Control Parameters And Weld Penetration For Robotic CO2 Arc Welding Using Factorial Design Approach. Journal Of Mechanical Engineering And Technology (JMET), 4 (2). ISSN 2180-1053

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Abstract

Weld penetration is an important physical characteristic of a weldment that affects the stress carrying capacity of the weld joint. Several welding parameters seem to influence weld penetration. This paper presents the relationship between weld penetration and four direct welding process parameters of robotic CO2 arc welding process on structural carbon steel. Two level, full factorial design was applied to investigate and quantify the direct and interactive effects of four process parameters on weld penetration. The upper and lower limits of the process control variables were identified through trial and error methodology, and the experiments were conducted using ‘bead on plate’ mode. The performance of the model was then tested by using analysis of variance technique and the significance of the coefficients was tested by applying student’s‘t’ test. Commercial computer programs were used for statistical analysis. The main and interactive effects of different welding parameters are studied by presenting it in graphical form.

Item Type: Article
Uncontrolled Keywords: Robotic CO2 Arc Welding, Process control parameters, Weld penetration, Mathematical modelling, Factorial design
Divisions: Faculty of Mechanical Engineering > Department of Design and Innovation
Depositing User: Dr S.Thiru chitrambalam
Date Deposited: 14 Nov 2012 16:00
Last Modified: 12 Jul 2021 11:52
URI: http://eprints.utem.edu.my/id/eprint/5573
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