Method and device for producing sheet-metal components

US11179762B2 · kind B2 · utility

Assignee

• thyssenkrupp AG · DE

Inventors

• Arndt Marx · Mettlach, DE
• Daniel Caspary · Abentheuer, DE
• Olaf Muller · Rüsselsheim am Main, DE
• Martin Kibben · Dinslaken, DE
• Daniel Nierhoff · Mülheim an der Ruhr, DE
• Thomas Flehmig · Ratingen, DE

Key dates

• Filing date: Dec 21, 2017
• Grant date: Nov 23, 2021
• Expiry date: May 26, 2038

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B21D35/002
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A method for producing dimensionally highly accurate sheet-metal components is provided. A blank is formed to a preformed part, wherein the preformed part in the cross section at least in regions has an excess developed length. The preformed part is calibrated in regions to a calibrated part while at least in regions using the excess developed length of the cross section of the preformed part, wherein the preformed edges of the preformed part during the calibrating are at least in regions disposed so as to be free of any form-fit. The calibrated part is trimmed at least in regions after the calibrating, in order for the sheet-metal component (60) to be produced. A device for producing dimensionally highly accurate sheet-metal components is moreover described.