Application of Tailor Rolled Blank in Vehicle Front End for Frontal Impact

2007-01-0675

04/16/2007

Event
SAE World Congress & Exhibition
Authors Abstract
Content
Lighter weight and lower cost have been pursued in automotive industry. Traditionally, metal sheets of uniform thickness are used for stamping or forming vehicle structural parts. For a desired structure, a metal sheet with varying thickness is desirable. It not only saves material but also increases design flexibility. For example, some areas of a cross member require thicker thicknesses to support localized, larger loading, while for other areas, where there is no localized loading, thinner thicknesses can be used to save material. Tailor Rolled Blank (TRB) is an emerging manufacturing technology which allows engineers to change blank thickness continuously within a sheet metal, virtually eliminating the need for welding local reinforcements in the part. TRB also provides simpler structural design due to smooth, rolled transitions, which prevent stress concentrations in the finished part. In addition, there is little cost penalty for multiple thickness transitions, due to the nature of the rolling process. In this research, TRB is applied to vehicle front end design for frontal impact. Advanced optimization technology is exploited to maximize the benefits of using TRB. A simplified front horn with both circular and rectangular cross section is used as an example to demonstrate the potential benefits.
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Details
DOI
https://doi.org/10.4271/2007-01-0675
Pages
8
Citation
Yang, R., Fu, Y., and Li, G., "Application of Tailor Rolled Blank in Vehicle Front End for Frontal Impact," SAE Technical Paper 2007-01-0675, 2007, https://doi.org/10.4271/2007-01-0675.
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Publisher
Published
Apr 16, 2007
Product Code
2007-01-0675
Content Type
Technical Paper
Language
English