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Tolerance design of mechanical assembly using NSGA II and finite element analysis

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Abstract

The technological and financial limitations in the manufacturing process are the reason for non-achievability of nominal dimension. Therefore, tolerance allocation is of significant importance for assembly. Conventional tolerance allocation methods are limited by an assumption that all parts are rigid. Every mechanical assembly consists of at least one or more flexible parts which undergo significant deformation due to inertia effect. Finite element analysis is used to determine the deformation of components in an assembly. Therefore, integration of statistical tolerance design with finite element analysis will guarantee that the optimal tolerance values of various components of the assembly obtained as end product of the tolerance design will remain within tolerance variation. Then the product can function as intended under a wide range of operating conditions for the duration of its life. In this paper, tolerance design of a piston cylinder assembly is done to demonstrate the proposed methodology.

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Authors and Affiliations

  1. Faculty of Mechanical Engineering, Saranathan College of Engineering, Tiruchirappalli, Tamil Nadu, India

    Jayaprakash Govindarajalu

  2. Faculty of Mechanical Engineering, Bannari Amman Institute of Technology, Erode, Tamil Nadu, India

    Sivakumar Karuppan

  3. Faculty of Mechanical Engineering, TRP Engineering College, Tiruchirappalli, Tamil Nadu, India

    Thilak Manoharan

Authors
  1. Jayaprakash Govindarajalu
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  2. Sivakumar Karuppan
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  3. Thilak Manoharan
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Corresponding author

Correspondence to Jayaprakash Govindarajalu.

Additional information

Recommended by Editor Sung-Lim Ko

K. Sivakumar is currently a Professor and Head in the Department of Mechanical Engineering, Bannari Amman Institute of Technology, Sathyamangalam-638401, India. He received his B.E (Mechanical Engineering) from Government College of Engineering, Tirunelveli and M. Tech. (Quality Assurance) and Ph.D in Production Engineering from National Institute of Technology, Trichy and he has 17-years of research and teaching experience. He has published 60 papers in national and international conference and 18 international and 1 national journal papers and his field of interest is the tolerance Design and Quality Engineering. At present he guides eight Ph.D. research scholars.

G. Jayaprakash is currently an Associate Professor in Department of Mechanical Engineering, Saranathan College of Engineering, Tiruchirappalli, Tamil nadu, India. He received his B.E (Mechanical Engineering) from CRESCENT Engineering College and M.E (CAD) from SATHYABAMA Deemed University. He is currently doing Ph.D. work at Anna University-Chennai, Tamilnadu, India. He has published 20 papers in national and international conferences and 10 papers in international journals. His current research interest includes tolerance design, optimization and finite element analysis.

M. Thilak is currently an Assistant Professor in the Department of Mechanical Engineering, TRP Engineering College (SRMGroup), Tiruchirappalli, Tamilnadu, India. He received his B.E. in Mechanical Engineering from Mookambigai College of Engineering, Pudukottai, Tamilnadu, India and M.E (CAD/CAM) from J. J. College of Engineering & Technology, Tiruchirappalli, Tamilnadu, India. He is currently doing his Ph.D work at Anna University (Coimbatore), Tamilnadu, India. He has published 4 papers in international journal, one paper in national journal, 19 papers in international conferences and 6 papers in national conferences. He is currently doing research in the area of CAD/CAE.

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Govindarajalu, J., Karuppan, S. & Manoharan, T. Tolerance design of mechanical assembly using NSGA II and finite element analysis. J Mech Sci Technol 26, 3261–3268 (2012). https://doi.org/10.1007/s12206-012-0811-y

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  • DOI: https://doi.org/10.1007/s12206-012-0811-y

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