Bridge for carrying transmission unit of vehicle, made of steel suitable for thermoforming

The bridge (1) is positioned inside a housing and used for carrying the transmission unit of a vehicle. It is made of a high strength steel bar (5) turned into a blank (4) of almost the required shape by cold forming. Some areas cannot be precisely shaped using this method and are therefore processe...

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Bibliographische Detailangaben
1. Verfasser:	DREHER, BERND
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL MOTOR VEHICLES PERFORMING OPERATIONS PUNCHING METAL TRAILERS TRANSPORTING VEHICLES IN GENERAL WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The bridge (1) is positioned inside a housing and used for carrying the transmission unit of a vehicle. It is made of a high strength steel bar (5) turned into a blank (4) of almost the required shape by cold forming. Some areas cannot be precisely shaped using this method and are therefore processed by thermoforming, utilizing the special characteristic of steel sheets. A cover (3) creating hollow profiles (7) in combination with the existing structure (1) can be added for reinforcement. Die Erfindung betrifft eine Getriebebrücke (1) aus Stahlblech zur Lagerung eines Getriebes in einem Kraftfahrzeug. Erfindungsgemäß wird die Getriebebrücke durch Warmumformung einer Platine (5) bzw. eines Rohlings (4) aus warmumformbarem Stahlblech hergestellt. In einer vorteilhaften Ausgestaltung der Erfindung wird die Platine (5) bzw. der Rohling (4) während des Warmumformens auf eine Temperatur oberhalb der Gefügeumwandlungstemperatur des Stahlwerkstoffs erwärmt.