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April 2018

Cover

A complex, three-piece interlocking extrusion designed by Almag Aluminum for a floating staircase at its headquarters in Brampton, ON, Canada. The company recently expanded its capacity for the production of complex extruded components with the installation of a new 25 MN, 8 inch extrusion press line in Brampton. Learn more about the new press on page 6 and the complex profile design on page 28. (Photo: Robert Ciolfi, www.quietlifephotography.ca.)

Articles

Almag – Pushing the Limits of What Extrusions Can Do: New Press Line at 65th Anniversary
Page 6

Extrusion Productivity, Part I – Billet Geometry
By Ken Chien, Paul Robbins, Chris Jowett, and Yu Wang
Page 10

Arvida Casthouse Upgrades with Revolutionary Billet Casting Technology
By Andrea Svendsen
Page 16

Structural Design of Aluminum Extrusions
By Randy Kissell
Page 22

Floating Staircase – A Collaboration Between Aluminum Extruder and Designer
By Nancy E. Klein
Page 28

Extrusion Design – A Step-by-Step Guide
By Nancy E. Klein
Page 31

An Aluminum Extruded Bridge is Born: Weld-Free, Pre-Engineered, and Prefabricated
By Daniel Pagé
Page 32

Defects Affecting Extrusion – Stretcher Strains
By Jerome Fourmann
Page 34

High-Performance Extrusion Quench Rates Meet Automotive Specifications
Page 38

Automated Approach for Optimization of the Extrusion Process
By B. Reggiani, L. Donati, and L. Tomesani
Page 44

Modernizing Older Extrusion Press Lines: Part I – Introduction and Hydraulic Upgrades
By James Cunningham
Page 50

Ducab Starts Up Aluminum Rod Production in Abu Dhabi
Page 52

Cooling Water Considerations in DC Casting
By Shaun Hamer
Page 54

Aluminum Extruders Council 69th Annual Meeting
By Rose Eaton
Page 58

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