The presses can even be accustomed to extrude tubes and hollow profiles from softer grade aluminum employing a good billet via a porthole or bridge dies [2]. The compaction stage considerations the appliance of 3 compaction cycles with a vertical load equal to 5 kN. During the changeover phase the https://daltonndrgb.blogs-service.com/60456140/detailed-notes-on-aluminium-design