Method of producing tailored tubes

Details Method of producing tailored tubes Method of producing tailored tubes

B - Operations, Transporting

21

D

B21D 53/88 (2006.01) B21D 7/00 (2006.01) B21D 9/15 (2006.01) B21D 22/18 (2006.01) B21D 22/26 (2006.01) B21D 26/02 (2011.01) B21D 35/00 (2006.01) B62D 21/00 (2006.01)

Patent

CA 2753092

A method of manufacturing a hollow structural frame rail includes rotating a tube relative to a tool to reduce an outside diameter of the tube at predetermined positions along the length of the tube. An elastomeric insert is positioned within the tube. The tube is bent at a location containing the insert. The bent tube is hydroformed to define a finished shape of the frame rail.

Un procédé de fabrication d'un rail de châssis structural creux comprend la rotation d'un tube par rapport à un outil afin de réduire un diamètre extérieur du tube dans des positions prédéfinies le long du tube. Une garniture élastomère est positionnée dans le tube. Le tube est courbé au niveau d'un emplacement contenant la garniture. Le tube courbé est hydroformé afin de délimiter une forme finie du rail de châssis.

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