Background and Tryout Report for BM2: Underbody Cross Member.

An automotive underbody cross member was selected for one of the NUMISHEET’05 industrial benchmark to assess springback prediction capability of engineers around the world using various software. Binder and addendum were generated according to production intent process. Iterative design and draw simulation were performed on the part and addendum geometry to remove wrinkles and splits. Castings were poured and machined. Six different types of materials ranging from A15182-O to DP965 were used in the production of the benchmark panels and three of these materials were included in the official benchmark data release. Draw panels were trimmed on a trimming fixture using laser and scanned with a whitelight optical device. Springback shapes at selected cross sections were recovered on the scanned data and original CAD data. In addition, major/minor and thickness strains were also measured at these sections. © 2005 American Institute of Physics [ABSTRACT FROM AUTHOR]