METHOD FOR PRODUCING A SHAPED BODY
A method for producing a formed body includes providing a round or pre-formed semi-finished product of a steel material, and heating the semi-finished product at least in regions to a first temperature. The method further includes forming a hub on the semi-finished product warm at least in regions,...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A method for producing a formed body includes providing a round or pre-formed semi-finished product of a steel material, and heating the semi-finished product at least in regions to a first temperature. The method further includes forming a hub on the semi-finished product warm at least in regions, for generating a preform having an upper geometric element. The method further includes heating or re-heating the preform having an upper geometric element at least in regions to a second temperature, and forming a bell on the preform having an upper geometric element warm at least in regions, for generating a preform having an upper and at least one lower geometric element. The method further includes heating or re-heating the preform at least in regions to a third temperature, and profiling the preform warm at least in regions for generating a formed body in a third operative step. |
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