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Quality and productivity improvement through spot welding process optimisation in automobile body shop

Author

Listed:
  • G. Selvam
  • S. Arockia Doss Prince
  • V. Surya Prakash
  • T. Rohit

Abstract

Optimised geometry weld spot distribution for different configurations of automobile body sub-assemblies, is a critical activity in any automobile body shop process planning. For an ideal body shop planning, it has to be planned in a systematic approach so that the maximum productivity with high quality is being achieved. For this, the optimised planning has to be made for number of spots welded in a geometry station. The lesser the number of spots, the higher will be the dimensional variations of the assembly; the greater the number of spots, the lesser will be the productivity of the sub-assembly lines. The aim of this paper is to identify an optimised spot quantity for different sizes of parts with different surface contacts. To identify the optimum spot quantity, an industrial experiment was conducted using Taguchi method (L27 OA). Dimensional variations of the samples were recorded in two stages: 1) post-geometry spot welding; 2) post re-spot welding; and the measured data was thoroughly analysed. Recommendations for the optimised number of spots for geometry spot weld stage were made for different assembly configurations. These recommendations are discussed in detail. This study will aid the process planners to distribute the appropriate number of spots in the geometry welding stations.

Suggested Citation

  • G. Selvam & S. Arockia Doss Prince & V. Surya Prakash & T. Rohit, 2018. "Quality and productivity improvement through spot welding process optimisation in automobile body shop," International Journal of Productivity and Quality Management, Inderscience Enterprises Ltd, vol. 23(1), pages 110-127.
    • Handle: RePEc:ids:ijpqma:v:23:y:2018:i:1:p:110-127
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    Cited by:

    1. Santosh B. Rane & Sandesh Wavhal & Prathamesh R. Potdar, 2023. "Integration of Lean Six Sigma with Internet of Things (IoT) for productivity improvement: a case study of contactor manufacturing industry," International Journal of System Assurance Engineering and Management, Springer;The Society for Reliability, Engineering Quality and Operations Management (SREQOM),India, and Division of Operation and Maintenance, Lulea University of Technology, Sweden, vol. 14(5), pages 1990-2018, October.

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