Patent ID: 6167737
Filing Date: 2001-01-02
Classification: B21D

Abstract:
An air guide vane forming device for converting a flat rectangular sheet metal blank to a precise arcuate configuration, comprising a forming drum having an arcuate surface, a resilient metallic forming blade having a lead edge fixed to a surface of said drum, said edge being aligned with the axis of said drum, stop means interposed between said lead edge and said drum for aligning the lead edge of a metal blank inserted between said blade and drum with said axis of said drum, compression roller means disposed in proximate spaced relation to said surface of said drum, said compression roller means having its longitudinal axis aligned with the axis of said drum, said blade being interposed between said roller and drum, and means for rotating said drum about an axis parallel to said arcuate surface whereby said blade is caused to conform to the curvature of said surface and a said blank to be formed interposed between said blade and said arcuate surface is bent to the curvature of said surface.