Effect of 2θ-Punch Shape on Material Waste during ECAE through a 2θ-Die
作者： Alexander V Perig , Alexander F Tarasov , Iaroslav G Zhbankov , Sergey N Romanko , None
DOI: 10.1080/10426914.2013.832299
关键词:
摘要: This article mainly focusses on the improvement of metal forming die tooling for equal channel angular extrusion (ECAE) processes through nonrectangular 2θ-dies classical Segal geometry. The technological appropriateness workpiece deformation using inclined oblique 2θ-punches has been evaluated with introduction physical simulation techniques. It shown experimentally that best efficiency, geometric condition required taper angle punch is to 2θ between inlet and outlet channels die. Physical shows application an 2θ-punch provides dead zone area downsizing macroscopic rotation reduction during ECAE. use numerical finite element modeling also confirms usefulness increase utilization ratio decrease maximum unevenness distribution.
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