EP 4090783 A1 20221123 - METHOD FOR PRODUCING A MOTOR VEHICLE RIM MADE OF AN ALUMINUM ALLOY FOR A WHEEL OF A MOTOR VEHICLE AND CORRESPONDING MOTOR VEHICLE RIM
Title (en)
METHOD FOR PRODUCING A MOTOR VEHICLE RIM MADE OF AN ALUMINUM ALLOY FOR A WHEEL OF A MOTOR VEHICLE AND CORRESPONDING MOTOR VEHICLE RIM
Title (de)
VERFAHREN ZUM HERSTELLEN EINER KRAFTWAGENFELGE AUS EINER ALUMINIUMLEGIERUNG FÜR EIN RAD EINES KRAFTFAHRZEUGS SOWIE ENTSPRECHENDE KRAFTWAGENFELGE
Title (fr)
PROCÉDÉ DE PRODUCTION D'UNE JANTE DE VÉHICULE AUTOMOBILE EN ALLIAGE D'ALUMINIUM POUR UNE ROUE D'UN VÉHICULE AUTOMOBILE ET JANTE DE VÉHICULE AUTOMOBILE CORRESPONDANTE
Publication
Application
Priority
- DE 102020100688 A 20200114
- EP 2020084423 W 20201203
Abstract (en)
[origin: WO2021144063A1] The invention relates to a method for producing a motor vehicle rim (1) made of an aluminium alloy for a wheel of a motor vehicle, the motor vehicle rim (1) having a rim base (2) limited on opposite sides by an outer horn (6) and an inner horn (7), a hub (4) with a central recess (8) and a hole circle (9), and a rim centre (3) connecting the rim base (2) and the hub (4) to one another. According to the invention, the motor vehicle rim (1) is produced in one piece and continuously in a casting mould by pressure casting of a casting material, the casting material being the aluminium alloy with the constituents 6.5% by weight to 12.0% by weight silicon, a maximum of 0.80% by weight manganese, 0.25% by weight to 0.60% by weight magnesium, 0.08% by weight to 0.50% by weight zinc, a maximum of 0.30% by weight of zirconium, a maximum of 0.025 % by weight of strontium, a maximum of 0.5 % by weight of unavoidable impurities, and the remainder being aluminium, and the motor vehicle rim (1) is heat-treated after the die casting, wherein the heat treatment comprises a single-stage or multi-stage solution annealing, a subsequent quenching and a subsequent single-stage or multi-stage artificial ageing. The invention further relates to a motor vehicle rim (1). (Fig.)
IPC 8 full level
C22C 21/02 (2006.01); B60B 21/00 (2006.01); C22C 21/06 (2006.01); C22F 1/043 (2006.01)
CPC (source: EP US)
B22D 15/005 (2013.01 - EP); B22D 17/00 (2013.01 - EP); B22D 21/007 (2013.01 - EP); B22D 21/04 (2013.01 - EP US); B60B 21/023 (2013.01 - EP US); B60B 21/026 (2013.01 - EP US); B60B 21/028 (2013.01 - EP US); C22C 21/02 (2013.01 - EP); C22C 21/04 (2013.01 - EP US); C22F 1/043 (2013.01 - EP US); B60B 2360/104 (2013.01 - EP US); B60B 2900/112 (2013.01 - EP); B60B 2900/113 (2013.01 - EP US); B60Y 2200/10 (2013.01 - EP); Y02T 10/86 (2013.01 - EP)
Citation (search report)
See references of WO 2021144063A1
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102020100688 A1 20210715; CN 115003831 A 20220902; EP 4090783 A1 20221123; US 2023013726 A1 20230119; WO 2021144063 A1 20210722
DOCDB simple family (application)
DE 102020100688 A 20200114; CN 202080093148 A 20201203; EP 2020084423 W 20201203; EP 20819717 A 20201203; US 202017785218 A 20201203