MATEC Web of Conferences
Volume 21, 20154th International Conference on New Forming Technology (ICNFT 2015)
|Number of page(s)||7|
|Published online||10 August 2015|
An experimental investigation for macro-textured tool in hot stamping
1 Department of Mechanical Engineering, Imperial College London, Exhibition Road, London SW7 2AZ, UK
2 School of Mechanical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
a Corresponding author: e-mail: KZ313@imperial.ac.uk
This paper presents a method of increasing draw-ability of materials in hot stamping processes using forming tools with macro-scale textures on the tool surfaces. Cold and hot stamping processes of a top-hat shape were conducted to evaluate the effects on macro-scale surface textures on the material drawing. Texture directional and texture ratio effects on the draw-ability have been investigated. A more uniform thickness distribution and improved draw-ability was found using the blankholders with surface textures, which is believed to be caused by the lower temperature loss derived from the smaller contact area.
© Owned by the authors, published by EDP Sciences, 2015
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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