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Title: | Influence of punch geometry on process parameters in cold backward extrusion | Authors: | Plančak M. Barišić B. Car Z. Movrin, Dejan |
Issue Date: | 1-Dec-2010 | Journal: | AIP Conference Proceedings | Abstract: | In cold extrusion of steel tools make direct contact with the metal to be extruded. Those tools are exposed to high contact stresses which, in certain cases, may be limiting factors in applying this technology. The present paper was bound to the influence of punch head design on radial stress at the container wall in the process of cold backward extrusion. Five different punch head geometries were investigated. Radial stress on the container wall was measured by pin load cell technique. Special tooling for the experimental investigation was designed and made. Process has been analyzed also by FE method. 2D models of tools were obtained by UGS NX and for FE analysis Simufact Forming GP software was used. Obtained results (experimental and obtained by FE) were compared and analyzed. Optimal punch head geometry has been suggested. © 2010 American Institute of Physics. | URI: | https://open.uns.ac.rs/handle/123456789/15008 | ISBN: | 9780735408715 | ISSN: | 0094243X | DOI: | 10.1063/1.3552498 |
Appears in Collections: | FTN Publikacije/Publications |
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