Benteler-automobiltechnik Gmbh

Jochem Grewe

Friedrich Bohner

Joern Toelle

Christian Hielscher

Jochen Doerr

Boris Rauscher

Christian Handing

Elmar Grussmann

Georg Frost

Stefan Schmitz

Jochen Dörr

Gero Muellers

Vijay Michael

Gaurav Ahuja

Ulrich Huschen

Andreas Hitz

Michael Roll

Hans-Jürgen Knaup

Ulrich Rusche

Feng Jiao

Per Ivar Stemnes

Max Boehnke

Dariusz Straznikiewicz

Konstantin Tatarinov

Martin Schroeter

Stefan Grottke

Edwin List Clausen

Kegham Arzoumanian

Holger Diersmann

Andreas Stosch

Stefan Hilgenberg

Roman Bierkamp

Radovan Kout

Jörn Tölle

Nikolay Soritov

Borek Dvorak

Evin List Clausen

Martin Steffens

Max Böhnke

Elmar Grußmann

Gero Müllers

Raphael Garcia Gomez

A method for manufacturing a motor vehicle structural component from an extruded multichamber hollow profile. The method includes providing an extruded profile with at least two precursor hollow chambers which are separated from one another by an inner wall, wherein in at least one outer wall of at least one precursor hollow chamber in cross-section perpendicularly to a longitudinal extent of the extruded profile has a region with non-linear course. The extruded profile is formed in at least one of its end regions into the motor vehicle structural component, wherein at least the region with non-linear course of the at least one outer wall of the at least one precursor hollow chamber, with non-linear course in cross-section, is at least partially straightened, with a change in cross-section of the respective precursor hollow chamber into the cross-section of the corresponding hollow chamber of the motor vehicle structural component.

Method for manufacturing a motor vehicle structural component from an extruded multichamber hollow profile

The invention concerns a method for manufacturing a motor vehicle structural component () from an extruded multichamber hollow profile, with the following steps:

The present disclosure relates to a method for producing a motor vehicle component from a 6000-series aluminum alloy having the following method steps: providing a blank made of a 6000-series aluminum alloy, rapid heating of the blank by means of contact plates to a temperature between 450&#xb0; C. and 600&#xb0; C. in a time less than 20 seconds, ending of the heating procedure and optional homogenizing when a grain size between 20 and 50 &#x3bc;m has resulted, quenching the blank thus tempered to a temperature less than or equal to 100&#xb0; C., in a time less than 20 seconds, wherein the rapid heating and quenching of the blank is carried out in a total time of less than 50 seconds, applying a lubricant, at 20&#xb0; C. to 100&#xb0; C., forming the cooled blank in a forming tool, wherein the time between beginning the rapid heating and beginning the forming is less than 45 seconds, aging.

Method for producing a motor vehicle component from a 6000-series aluminum alloy

A method for producing a motor vehicle component from a 6000 series aluminum alloy including providing a blank made of a 6000 series aluminum alloy, rapid heating of the blank to a temperature between 450 deg. C. and 600 deg. C. at a heating rate of more than 15 K/s in a period of less than 20 seconds, ending the heating process and optionally homogenizing, if a grain size between 20 and 50 &#x3bc;m has been produced, quenching the blank thus tempered, applying a lubricant, preferably at 20 deg. C. to 100 deg. C., forming the cooled blank in a forming tool, wherein the time between completion of the heating process and the start of the forming is less than 30 seconds, and aging.

Method for producing a motor vehicle component from a 6000 series aluminum alloy

A plate heat exchanger has two metal plates brought into abutment, with a solder material between the plates. The plates are heated up to a first temperature. The plates are placed into a mold, the mold surfaces of which have cavities for envisaged channel structures. Channel structures are formed by local internal pressure forming of at least one plate under pressurization by the tool. The plates are heated up to a second temperature. The plates are solder bonded at the abuted surfaces. A plate heat exchanger has two metal plates, wherein channel structures have been formed in at least one plate and the plates are bonded to one another by soldering away from the channel structures. Eutectic microstructures having a longest extent of less than 50 micrometers are formed in the solder layer.

Process for producing a plate heat exchanger and plate heat exchanger

The disclosure relates to a coupling element for connecting vehicle components of an underfloor arrangement of a battery-powered motor vehicle, wherein the underfloor arrangement having a battery holder and at least one axle arrangement, the coupling element having at least one first connecting portion for fastening on the axle arrangement, and having at least one planar attachment surface for fastening on the battery holder, wherein the coupling element is designed in the form of an extruded multichamber profile. The disclosure also relates to an underfloor arrangement, for a motor vehicle, having two axle arrangements and a battery holder, arranged between the axle arrangements, wherein the battery holder has a side wall which delimits the battery holder in the outward direction, wherein at least one coupling element according to one of the preceding claims is provided, and connects at least one axle arrangement and the battery holder in a load-directing manner.

Coupling element for connecting vehicle components of an underfloor arrangement and underfloor arrangement of a battery-operated motor vehicle

The present invention relates to a sill of a vehicle body (). The sill is characterized in that the sill () comprises at least a first sill profile () and a second sill profile (), in that the sill profiles () extend in the longitudinal direction of the sill () and each comprise a connecting surface () which faces the further sill profile (), in that the connecting surfaces () at least partially run vertically, in that the at least two sill profiles () over at least one area of the connecting surfaces () of the sill profiles () are adhesively connected to one another, and in that at least on one of the sill profiles (), adjacent to the connecting surface (), at least one snap-in protrusion () is formed onto it which interlocks with at least one snap-in receiving section () of another one of the sill profiles (). Furthermore, the invention relates to a vehicle frame () with such a sill () and a method of manufacturing such a sill ().

Sill and vehicle frame of a vehicle body and method of manufacturing a sill

A method for producing a structural sheet metal component formed from an aluminum alloy for a motor vehicle includes providing an aluminum sheet blank in a state Tor Tor Tor T, heating the aluminum sheet blank to a heating temperature between 100&#xb0; C. and 450&#xb0; C., forming the aluminum sheet blank to a structural sheet metal component, and heat post-treatment of the formed structural sheet metal component.

Method for producing a structural sheet metal component, and a structural sheet metal component

A method for producing a motor vehicle component from a lightweight metal alloy is disclosed including extruding a profile having at least two wall thicknesses that are mutually dissimilar in the cross section, rolling the extruded profile in portions in the extrusion direction. The rollers in the roller spacing thereof are variable. Cutting-to-length the extruded and in portions rolled profile so as to form a semi-finished product, and forming the semi-finished product so as to form the motor vehicle component.

Method for producing a motor vehicle component

Motor vehicle hybrid structural part, comprising a main structural partand at least one reinforcement patch the main structural partbeing embodied as a sheet-metal structural part made of a steel alloy or light metal alloy and the reinforcement patch being made of light metal, which is characterized in that the reinforcement patch is an extruded structural part with at least two wall thicknesses differing from one another in cross section.

Motor vehicle hybrid structural part

A motor vehicle sheet metal molding of the invention is produced by hot forming from a metal sheet composed of an aluminum alloy which cannot be precipitation hardened, which contains at least magnesium and optionally manganese in addition to aluminum as alloy component. The motor vehicle sheet metal molding after forming has, at least locally, degrees of deformation which are above the forming limit curve of the aluminum alloy at room temperature. To produce the motor vehicle sheet metal molding, the metal sheet is heated at least locally to a temperature in the range from 200&#xb0; C. to 400&#xb0; C. over a period of from 1 to 60 seconds. The heated metal sheet is subsequently placed in a forming tool of a forming press and formed to produce the motor vehicle sheet metal molding.

Sheet metal molding for motor vehicles and process for producing a sheet metal molding for motor vehicles

A motor vehicle door and a method for producing the motor vehicle door is disclosed having a frame plate coupled to reinforcement components and at least half of all of the reinforcement components are produced as extruded profiles which are subsequently press-formed three-dimensionally. The extruded profiles have different wall thicknesses.

Vehicle door and method for the production thereof

A method for producing a motor vehicle component is disclosed having the steps of providing a strain-hardened blank composed of a 5000 grade aluminum alloy, partially heating the blank in a first region to a temperature higher than 350&#xb0; C., in particular to 400&#xb0; C., the blank being kept at a temperature between 15&#xb0; C. and 30&#xb0; C., preferably at 20&#xb0; C., in a second region, and the partial heating being performed in less than 20 s, preferably less than 10 s and in particular in 2 to 5 s, adjusting the temperature of the blank as a whole to between 150 and 350&#xb0; C. in less than 20 s, preferably less than 10 s and in particular in 2 to 5 s, and deforming the blank to form the motor vehicle component in less than 20 s, preferably less than 10 s and in particular in 2 to 5 s, and cooling the motor vehicle component.

Method for producing a motor vehicle component from aluminum

A method for producing a motor vehicle component, is disclosed having the steps of&#x2014;providing a blank composed of a 5000 grade naturally hard aluminum alloy with an initial yield strength, completely heating the blank to a forming temperature between 150&#xb0; C. and 350&#xb0; C., preferably between 200&#xb0; C. and 300&#xb0; C. in less than 20 s, preferably less than 10 s and in particular in 2 to 5 s, and performing forming in a forming tool in less than 20 s, preferably less than 10 s and in particular between 2 and 5 s, the temperature being held between 150&#xb0; C. and 350&#xb0; C. in at least one first region of the blank, and cooling to a temperature lower than 250&#xb0; C., in particular lower than 200&#xb0; C., being performed in a second region during or after the deformation.

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Salzkotten, Germany

Jochem Grewe