CATIA V5 - Generative Shape Design - Sheet Metal Rope Hem Flange Tutorial (by Explicit Sweep)

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CATIA V5 - Generative Shape Design

"Roping is a solution, but care is necessary in tool design at feature
lines or corners to prevent wrinkling or related effects. One of the primary
concerns with aluminum outer body panels is over the suitability of the material to be hemmed after having been work-hardened during previous forming operations. The flat hem that is commonly used with steel outer panels tends to be too severe for most aluminum alloys and so, again, the relieved flat hem or the rope hem is recommended." (Source: DAVIES, 2012, p. 223)

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