EP 2264193 B1 20160727 - Production of a partially press-hardened metal sheet component
Title (en)
Production of a partially press-hardened metal sheet component
Title (de)
Herstellung eines partiell pressgehärteten Blechbauteils
Title (fr)
Fabrication d'un composant en tôle partiellement durci à la presse
Publication
Application
Priority
DE 102009023195 A 20090529
Abstract (en)
[origin: EP2264193A1] The method comprises transforming raw sheet metal material to a sheet metal mold part, pre-hardening the raw sheet metal material and heating the sheet metal mold part partially in a furnace in such a way that the area to be hardened is covered and is subjected to the press hardening. The non-covered area of the sheet metal mold part is heated in the furnace at above 900[deg] C. The mold formation of the sheet metal mold part corresponds to the vehicle body component. The raw sheet metal material is a coated steel plate. The method comprises transforming raw sheet metal material to a sheet metal mold part, pre-hardening the raw sheet metal material and heating the sheet metal mold part partially in a furnace in such a way that the area to be hardened is covered and is subjected to the press hardening. The non-covered area of the sheet metal mold part is heated in the furnace at above 900[deg] C. The mold formation of the sheet metal mold part corresponds to the vehicle body component. The raw sheet metal material is a coated steel plate. The degree of a thermal shielding of the relevant area is adjusted through the choice of the cover, a covering material, character of the covering material and/or arrangement on the sheet metal mold part. The covering is carried out by two shell molds that are arranged in relevant area on both sides at the sheet metal mold part. The shell mold is formed from a heat-resistant fiber material, a ceramic material, a metallic material or material composite. The shell mold is laid out not directly on the sheet metal mold part. Independent claims are included for: (1) a covering device; and (2) a vehicle body component.
IPC 8 full level
C21D 8/00 (2006.01); B21D 22/02 (2006.01); B21D 37/16 (2006.01); B62D 25/04 (2006.01); C21D 1/673 (2006.01)
CPC (source: EP)
C21D 1/673 (2013.01); C21D 2221/00 (2013.01)
Citation (examination)
- DE 20014361 U1 20001012 - BENTELER WERKE AG [DE]
- DE 10305725 B3 20040408 - BENTELER AUTOMOBILTECHNIK GMBH [DE]
- DE 102006018406 A1 20070913 - BRAUN ELISABETH [DE]
- EP 2322672 A1 20110518 - AISIN TAKAOKA LTD [JP], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
EP 2264193 A1 20101222; EP 2264193 B1 20160727; DE 102009023195 A1 20101202; DE 102009023195 B4 20181220
DOCDB simple family (application)
EP 10160442 A 20100420; DE 102009023195 A 20090529