Enhancement on deformation uniformity of double curvature shell by hydroforming process and curved blank-holder surface

Enhancement on deformation uniformity of double curvature shell by hydroforming process and... To manufacture a component with uniform deformation as well as homogeneous properties to fulfill the need of good consistency in service, both tool geometry and forming method were taken into account on the forming of double curvature shell. Experimental setups with planed and curved blank-holder surfaces combined with hydroforming process were performed on the evaluation of stain and thickness distribution compared with conventional deep drawing process. The average strain and its standard deviation on the formed shell were calculated as the indicators of whole strain level and strain uniformity. The results show that the most homogeneous strain, tensile strength, and micro-hardness can be achieved by the combination of hydroforming process and curved blank-holder surface. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International Journal of Advanced Manufacturing Technology Springer Journals

Enhancement on deformation uniformity of double curvature shell by hydroforming process and curved blank-holder surface

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer-Verlag London
Subject
Engineering; Industrial and Production Engineering; Media Management; Mechanical Engineering; Computer-Aided Engineering (CAD, CAE) and Design
ISSN
0268-3768
eISSN
1433-3015
D.O.I.
10.1007/s00170-017-0301-6
Publisher site
See Article on Publisher Site

Abstract

To manufacture a component with uniform deformation as well as homogeneous properties to fulfill the need of good consistency in service, both tool geometry and forming method were taken into account on the forming of double curvature shell. Experimental setups with planed and curved blank-holder surfaces combined with hydroforming process were performed on the evaluation of stain and thickness distribution compared with conventional deep drawing process. The average strain and its standard deviation on the formed shell were calculated as the indicators of whole strain level and strain uniformity. The results show that the most homogeneous strain, tensile strength, and micro-hardness can be achieved by the combination of hydroforming process and curved blank-holder surface.

Journal

The International Journal of Advanced Manufacturing TechnologySpringer Journals

Published: Mar 23, 2017

References

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