Abstract: Motor vehicle hybrid structural part, comprising a main structural part 2 and at least one reinforcement patch the main structural part 2 being 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.

Abstract: The present invention relates to a press-forming tool having a top die and a bottom die, which can be moved toward one another, forming a forming cavity between the top die and the bottom die when the press-forming tool is closed, wherein a die clamping plate is arranged on a press ram and/or on a press table, wherein a top die or bottom die, which can be moved relative to the die clamping plate, is supported on said plate while incorporating at least one resilient adjusting element.

Abstract: The disclosure is related to a body component or chassis component for a motor vehicle having at least one surface segment composed of a three-layer sheet-metal composite having a central layer and two outer layers, which bound the central layer on the outside and which are integrally joined to the central layer face to face. The outer layers are composed of a stainless steel alloy having a microstructure selected from the group of ferritic, austenitic, or martensitic microstructure and the central layer is composed of a heat-treatable steel alloy, and the body component or chassis component has a bending angle of greater than 80°, determined in the plate bending test according to VDA 238-100, having an Rp0.2 yield strength of greater than 900 MPa.

Abstract: The present invention relates to a longitudinal beam for a motor vehicle, having a body, of hollow cross section and extending in the longitudinal direction, with a front connection for a cross-member and a rear connection to a motor vehicle body, said longitudinal beam being characterized in that the longitudinal beam is produced from a multi-layer steel having a homogeneous wall thickness as a hot-formed and press-hardened component and has at least one reinforcement patch, wherein the multi-layer steel has a central layer and at least one outer layer made of a ferritic stainless steel alloy.

Abstract: 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.

Abstract: An electromagnetic impact drive includes two electroconductive helical springs in meshing relationship, with their fixed ends supported on an abutment and their movable ends joined to an electroconductive armature. Electric terminals connect the fixed ends to a electricity source for feeding a current to flow from one of the electric terminals via an associated one of the helical springs in a first direction towards the armature and from there in an opposite second direction via the other one of the helical springs to the other one of the electric terminals so that adjacent windings of the helical springs repel one another by an oppositely directed force pair when an electric circuit is closed. A control device is provided to open and close the electric circuit with the electricity source.

Abstract: A motor vehicle component is disclosed. The component is manufactured by hot forming die quenching a sheet metal blank made of a hardenable steel alloy, and the motor vehicle component is made of a triple-layer laminated steel and including a central layer of hardenable steel ally, and the outer layers of a stainless steel alloy.

Abstract: A hot-formed metal sheet has a tensile strength Rm>1300 megapascal (MPa) and includes an opening which is produced by high-speed punching at a speed of a punch of more than 6 m/s in the absence of a counter holder of a contour matching a contour of the punch, with a smooth cut proportion of the cutting surface of the opening amounting to more than 50%.

Abstract: A pillar for a motor vehicle bodywork is disclosed having a main element with an upper coupling section for attaching to a roof frame, and a secondary element composed of metallic alloy. The secondary element is connected in a planar fashion at least over certain sections of the main element, and the main element has a middle layer composed of a hardened steel alloy, and at least one outer layer which bounds the middle layer toward the outside.

Abstract: An automotive component is disclosed having at least two layers, a middle layer of a hardened steel material and an outer layer of a stainless steel alloy, at least two regions having mutually different wall thicknesses. The atomic hydrogen content in the middle layer one hour after completion of press-hardening is less than 0.5 ppm.

Abstract: The present invention relates to a longitudinal beam for a motor vehicle, having a body, of hollow cross section and extending in the longitudinal direction, with a front connection for a cross-member and a rear connection to a motor vehicle body, said longitudinal beam being characterized in that the longitudinal beam is produced from a multi-layer steel having a homogeneous wall thickness as a hot-formed and press-hardened component and has at least one reinforcement patch, wherein the multi-layer steel has a central layer and at least one outer layer made of a ferritic stainless steel alloy.

Abstract: A pillar for a motor vehicle bodywork is disclosed having a main element with an upper coupling section for attaching to a roof frame, and a secondary element composed of metallic alloy. The secondary element is connected in a planar fashion at least over certain sections of the main element, and the main element has a middle layer composed of a hardened steel alloy, and at least one outer layer which bounds the middle layer toward the outside.

Abstract: A motor vehicle component and a method of manufacturing thereof is disclosed having at least regionally high-strength and at the same time ductile properties, including providing a sheet metal blank composed of a hardenable steel alloy with at least 0.25% carbon fraction, at least partially heating the sheet metal blank to above austenitizing temperature, in less than 20 seconds, hot-forming and press-hardening the sheet metal blank, in the process, setting a tensile strength Rm of greater than 1800 MPa and an elongation at break A20 of greater than 6%.

Abstract: A battery holder is disclosed having a base plate and a frame that is at least partially encircling in a lateral direction, the base plate and the frame are configured as sheet-metal components, and a lid. The base plate is configured in a trough-shaped manner and is manufactured as a formed sheet-metal component from a multilayered laminated composite steel, wherein an internal exterior layer is configured from an acid-resistant steel alloy and an outboard external layer of the laminated composite steel is configured from a stainless-steel alloy.

Abstract: A heat treatment furnace and a method for heat treatment of a steel sheet blank is disclosed having at least one furnace chamber and a transport system for conveying the steel sheet blanks through the furnace chamber. A preheating chamber, a metallurgical bonding path and a cooling chamber, wherein the steel sheet blank can be heated in the preheating chamber to a temperature of above 200° C. A method for the production of a hot-formed and press-quenched motor-vehicle part is also disclosed.

Abstract: A hot-forming line and a method for operating the hot-forming line is disclosed having a temperature-control station and a hot-forming and press-hardening tool. A linear conveyor system for conveying the metal blank or the formed steel-sheet products, respectively, through the hot-forming line is provided.

Abstract: The present invention relates to a temperature adjustment station for the contact heating of a blank and to a method for operating the temperature adjustment station. According to the invention, the contact pressure exerted on the blank is regulated or controlled in the temperature adjustment station such that linear expansion of the blank does not have a negative effect on the contact plate itself.

Abstract: Motor vehicle hybrid structural part, comprising a main structural part 2 and at least one reinforcement patch the main structural part 2 being 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.

Abstract: A hot forming line for producing hot formed and press hardened sheet metal products made from metal plates includes a heating station and a forming station. The heating station has a bottom tool and an top tool between which a metal plate is received. The metal plate is heated in the heating station by indirect resistance heating. The heat is generated outside the metal plate and is transmitted by heat conduction into the metal plate itself. For this the bottom tool and/or the top tool has an electric resistance heating with at least one surface heating element. The surface heating element is a heating plate with a plate body made of an electrically conductive material, wherein the plate body is configured as heat conductor. For this the plate body is slotted and is for example provided with a slot, which extends over the thickness of the plate body.

Abstract: A two-blow heating and forming tool for the simultaneous production of two hot-formed and press-hardened motor vehicle components is provided. The tool includes a heating device and a forming device, with at least two contact heating tools and at least two hot-forming and press-hardening tools being arranged next to one another in parallel in a press such that, during a closing movement, two blanks are heated and two heated blanks are hot-formed and press-hardened to form two motor vehicle components. A method for producing hot-formed and press-hardened motor vehicle components using a two-blow heating and forming tool is also provided, the method including producing two mirror-inverted motor vehicle components simultaneously in one press cycle.