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A tool for preforming a tube for subsequent hydroforming, and methods of making such a tool and producing a component by hydroforming
A tool for preforming a tube for subsequent hydroforming, and methods of making such a tool and producing a component by hydroforming
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机译：用于执行随后的液压成形的管的工具，以及制造这种工具并通过液压成形来制造部件的方法
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摘要
The invention relates to a tool (200) for preforming a metallic starting pipe part (100) for a subsequent hydroforming process for producing a tubular hydroforming component, with a plurality of tool parts (210, 220) which are movable relative to one another and which have a shaping cavity (230) between them for receiving and limit the deformation of the output pipe part (100). It is provided that the cavity (230) has a contour which is derived both from the shape of the hydroforming component to be produced and is adapted to the circumference (U1) of the starting pipe part (100) to be shaped, in such a way that each has a contour through the starting pipe part (100 ) predetermined cavity longitudinal axis (L) vertical cavity cross-section corresponds with the cross-sectional shape of the cross-sectional shape of the positionally identical hydroforming component cross-section that is exactly reduced to the circumference of the outlet pipe part (100). The invention further relates to a method for producing such a tool (200) and a method for producing a tubular IHU component with such a tool (200).
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