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Verfahren und Vorrichtung zum Streckziehen von Halbzeugen

Process and device for stretch-forming semi-finished products
: Treppe, F.; Zaboklicki, A.K.

Frontpage ()

DE 1993-4309317 A3: 19930323
DE 1993-4345158 A: 19930323
DE 4345158 A1: 19940929
Patent, Electronic Publication
Fraunhofer IPT ()

The invention relates to a process and a device for the stretch-forming of semi-finished products, in particular metal sheet, whereby the metal sheet is clamped along its sides, pressure-loaded on its front side by an extrusion dye and subjected to heating by a laser beam on its rear side. The extrusion die performs a translation and/or rotational movement along and/or at least about another axis in addition to the stroke movement during the pressure impact on the sheet metal