Wear Intensity Behavior on Direct Cold Extrusion Die Profile for Aluminum Alloy

Author(s): Santiago Amaury Santana Reyes, Jose Felix Morales Leslie and Yoan Manuel Ramos Botello

In recent years, simulation by the Finite Element Method (FEM) has become a powerful tool for scientific research and industrial practice, as well as for the analysis and optimization of the extrusion process. There are several investigations that analyze the behavior of the geometric parameters variation of the extrusion die on the wear phenomenon using numerical techniques and experimental procedures The Archard’s wear model is used to relate the main physical parameters involved in sliding body wear. However, most of these studies focus on dies with conventional or conical extrusion profiles. In this investigation is analyzed the wear intensity behavior for two extrusion die profiles: conic and sinusoidal. The process of cold direct extrusion of aluminum alloys 6061-O is simulates by the FEM, using the software DEFORMTM -2D. The Archard’s wear model is used to determine the wear intensity in the Principal Incidence Zone (PIZ) of the forming tool. The factorial design 23 is used to investigate the performance parameters: extrusion velocity, friction coefficient and extrusion ratio.