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Experimental Investigation on Elastic Spring Back in Deformation Machining Bending Mode

[+] Author Affiliations
Arshpreet Singh, Anupam Agrawal

Indian Institute of Technology Ropar, Rupnagar, Punjab, India

Paper No. MSEC2015-9283, pp. V001T02A093; 8 pages
doi:10.1115/MSEC2015-9283
From:
  • ASME 2015 International Manufacturing Science and Engineering Conference
  • Volume 1: Processing
  • Charlotte, North Carolina, USA, June 8–12, 2015
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-5682-6
  • Copyright © 2015 by ASME

abstract

Deformation machining is a combination of thin structure machining and single point incremental forming. It enables the creation of thin monolithic structures with complex geometries in one setup, employing conventional manufacturing techniques. Elastic spring back is a major contributor to dimensional inaccuracy of the thin formed structures. Correct prediction of elastic spring back and its compensation is of utmost importance for the overall quality of the formed components. In the present work, an experimental study on elastic spring back in deformation machining bending mode components has been performed. Effect of machining and forming parameters along with dimensional attributes on the elastic spring back has been studied. The components were fabricated using a 3 axis CNC vertical milling machine and inspected for elastic spring back on a coordinate measuring machining (CMM). Other factors contributing to the dimensional inaccuracy, such as curvature in the bent structure and inclination of structure along its length have also been explored.

Copyright © 2015 by ASME

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