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Application of Response Surface Methodology to Predict Ovality of AA6082 Flow Formed Tubes

Author

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  • M. Srinivasulu

    (Faculty in Mech. Engg., Department of Technical Education, A.P.,and Part-Time Research Scholar, JNTUH, Hyderabad, India)

  • M. Komaraiah

    (Sreenidhi Institute of Science and Technology, Hyderabad, A.P., India)

  • C.S. Krishna Prasada Rao

    (Bharat Dynamics Limited, Hyderabad, A.P., India)

Abstract

Flow-forming is eco-friendly, chipless manufacturing process employed in the manufacture of thin walled seamless tubes. Ovality, the out of roundness is one of basic form of errors encountered in the tubular components. In the present research, a response surface model has been developed to predict ovality of AA6082 alloy pre-forms using Design of Experiments. The experiments are performed on a flow forming machine with a single roller. The process parameters selected for the present investigation are axial feed of the roller, the speed of the mandrel, and roller radius. Box-Behnken Design, a standard response surface methodology has been used to conduct the experimental runs. The developed response surface model successfully predicts the ovality of AA6082 flow formed tube within the range of selected process parameters. It has been found that, roller feed is the most important process parameter influencing the ovality of AA6082 flow formed tube.

Suggested Citation

  • M. Srinivasulu & M. Komaraiah & C.S. Krishna Prasada Rao, 2013. "Application of Response Surface Methodology to Predict Ovality of AA6082 Flow Formed Tubes," International Journal of Manufacturing, Materials, and Mechanical Engineering (IJMMME), IGI Global, vol. 3(1), pages 52-65, January.
    • Handle: RePEc:igg:jmmme0:v:3:y:2013:i:1:p:52-65
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