Lightweigting activities in the automotive industry continue to focus efforts on aluminum sheet as a key material to meet weigth reduction goals. Alcoa and Kobe formed a joint venture in 1992 to develop the technology to enable further penetration of aluminum sheet into automotive applications. As a part of the joint technology program, Alcoa and Kobe have expended a considerable amount of effort to understand the forming process and interrelationship of process variables for complex automotive panels. Utilizing Kobe's 1000-ton hydraulic press, Kobe and Alcoa jointly performed forming trials for both door inner and outer panels with various alumium sheet alloys (both 5xxx and 6xxx series alloys were tested). The tools were originally designed for forming steel, and the same tools were used to form aluminum sheet alloys. It was intended to use the same tool and die to determined the important factors affecting producibility of the panels. Results of the forming trials and details of the simulation effort will be presented. Part modifications as a result of modeling study will also be discussed.
Producibility assessment of aluminium automotive panels
1998
12 Seiten, 6 Bilder, 3 Tabellen, 3 Quellen
Aufsatz (Konferenz)
Englisch
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