THYSSENKRUPP STEEL EUROPE AG Patent applications |
Patent application number | Title | Published |
20160129946 | SPRING STRUT DOME AND METHOD FOR PRODUCING SAME - Spring strut domes for use with vehicle bodies can be formed by reshaping a semifinished product into a dome element by way of massive forming. In particular, the semifinished product may be reshaped by rolling, forging, upset-forging, and/or pressing. In this process, structures may be introduced into the dome element that increase the stiffness of the dome element and hence the spring strut dome. Two example structures include ribs and webs, and the dome element may be formed of steel or a steel alloy. In some cases, the semifinished product may be heated before being reshaped into the dome element. Further, the spring strut dome may also include an attaching region coupled to the dome element, which may be used to secure the spring strut dome to a vehicle body. A wall thickness of the attaching region may be equal to or less than 1.5 mm in some examples. | 05-12-2016 |
20160129940 | PROTECTIVE APPARATUS FOR ARRANGING IN THE FRONT OR REAR REGION OF A MOTOR VEHICLE, HAVING AN UNDERBODY MADE FROM FIBER-REINFORCED PLASTIC - The present disclosure relates to a protective apparatus that can be positioned along an underside of a motor vehicle and, in many cases, near a front or rear region of the motor vehicle. The protective apparatus may include an underbody made from fiber-reinforced plastic for protecting assemblies or components arranged above it against damage as a consequence of stone chipping or ground contact. Further, the underbody may have three-dimensionally structured regions for increasing its rigidity, and the underbody may be designed to absorb chassis and/or crash loads and may include integrated holders for movably attaching chassis links.” | 05-12-2016 |
20160121383 | DEVICE FOR PRODUCING AT LEAST ONE UNDERCUT IN A SLOTTED OR CLOSED PROFILED SHEET SECTION - A device for manufacturing at least one undercut in a sheet-metal profile that is slotted or closed may include an inner core portion and an outer core portion, which together can be inserted within the sheet-metal profile and/or may support a semi-finished sheet-metal product from which the sheet-metal profile is formed. The inner core portion and the outer core portion may have faces that mate with one another such that when the inner core portion rotates or translates relative to the outer core portion, the outer core portion is forced away from the inner core portion. To cause this behavior, the faces may be undulating, inclined, or cam-like, for example. In effect, a cross-sectional profile of the device may be reduced at least for purposes of extracting the device from the sheet-metal profile after the undercuts have been formed. | 05-05-2016 |
20160114421 | METHOD AND DEVICE FOR THE OPTIMIZED RESISTANCE WELDING OF METAL SHEETS - The invention relates to a method for the resistance welding of a metal sheet to a further metallic component, wherein the metal sheet is welded to the further component by a flow of electric current for welding in a circuit comprising the metal sheet, the further component, a first welding electrode and a second welding electrode, wherein the first welding electrode is in contact with the metal sheet and the second welding electrode, lying opposite the first welding electrode, is in contact with the further component on the side of the further component that is facing away from the metal sheet, wherein, in a first phase, the metal sheet is subjected at least for a time to a first force at least by the first welding electrode and, in a second phase, the metal sheet is subjected at least for a time to a second force at least by the first welding electrode during the flow of electric current for welding, the second force being lower than the first force. | 04-28-2016 |
20160114366 | APPARATUS AND METHOD FOR THE CONTINUOUS AND PROGRESSIVE SHAPING OF METAL STRIPS TO GIVE A PROFILE WITH LONGITUDINALLY VARYING CROSS SECTION - Disclosed herein is an apparatus for the continuous and progressive shaping of metal strips to produce a formed metal strip whose cross sectional dimensions vary along a longitudinal axis thereof. The apparatus includes a device for shaping the metal strips, wherein the device has at least one tool set with at least two rotatably mounted and mutually associated tools, wherein the tools each have a pressure face disposed along an outer circumference thereof with a contour configured to shape the workpieces. The contour of the pressure face of at least one tool is not axially symmetric. In order to be able to cost-effectively produce workpieces or profiles with a variable cross section, in particular profiles with a closed cross section, it is proposed that the contours of the pressure faces of all tools, but at least of one tool set, are concave in order to generate a profile having a closed cross section. | 04-28-2016 |
20160108489 | TRANSPORT DEVICE AND METHOD FOR TRANSPORTING HOT AND THIN-WALLED STEEL PARTS - Disclosed is a transporting device for transporting steel parts for hot forming and/or hardening, having transporting receptacles in which the steel parts are disposed and which are specified for transporting steel parts having temperatures of more than 650° C. The invention moreover relates to a method for transporting steel parts from a device for heating the steel parts to a device for hardening, hot forming, or press hardening the steel parts, wherein the steel part in a first step in a device for heating is heated to a predetermined first temperature which is above room temperature. | 04-21-2016 |
20160108485 | METHOD AND APPARATUS FOR HARDENING A COMPONENT OR SEMI-FINISHED PRODUCT - Example methods and apparatus for hardening a component or any semi-finished product formed from a steel workpiece that has been shaped in a shaping tool may involve introducing the component into a receiving region of a hardening tool. The hardening tool may then be closed around the component in a form-fitting manner so as to surround the component and maintain a substantially constant distance between the component and at least one induction coil integrated into the hardening tool. The induction coil of the hardening tool may then be used to heat the component. The component may then be cooled within the receiving region or by removing the component from the receiving region and exposing the component to air external to the receiving region. | 04-21-2016 |
20160102393 | APPARATUS FOR THE CONTINUOUS HOT-DIP COATING OF METAL STRIP - The invention relates to an apparatus for the continuous hot-dip coating of metal strip, preferably steel strip, comprising a melting bath vessel, a snout, which opens in the melting bath vessel, for introducing a metal strip, which is heated in a continuous furnace, into the melting bath in protective gas, and a deflecting roller, which is arranged in the melting bath vessel, for deflecting the metal strip, which is entering the melting bath, in a direction pointing out of the melting bath, wherein that end of the snout which is dipped into the melting bath has at least one runoff chamber which is bounded inward by an overflow wall, downward by a floor and outward by the wall of the snout, wherein the overflow edge of the overflow wall lies at least in sections below the melting bath surface, and wherein a suction line with a pump is connected to the runoff chamber, characterized in that the runoff chamber is provided with at least one through opening through which liquid molten metal can flow out of the melting bath into the runoff chamber, wherein the at least one through opening is arranged lower than the overflow edge. | 04-14-2016 |
20160101456 | METHOD AND DEVICE FOR PRODUCING A SHAPED COMPONENT - Example methods and devices for producing a shaped component may involve positioning a workpiece having a hollow region and consisting at least partially of steel in a mold of a device. One or more docking punches may secure the workpiece within the mold and serve to introduce a pressurized fluid into the hollow region of the workpiece within the mold. The workpiece may be hot-formed in this process. The present disclosure concerns a variety of methods and devices that may be utilized to counteract a cooling of the workpiece in a region of the docking punch and reduce a temperature difference that may exist between the workpiece and the device. | 04-14-2016 |
20160067757 | METHOD AND UPSETTING TOOL FOR PRODUCING HIGHLY DIMENSIONALLY ACCURATE HALF SHELLS - The invention relates to a method for producing highly dimensionally accurate, deep-drawn half shells having a bottom region, a jacket and optionally having a flange, wherein a half shell pre-formed from a blank is formed into a finished half shell, wherein the pre-formed half shell has excess blank material on account of its geometrical shape, and the half shell being upset by way of at least one pressing operation in an upsetting tool to form the finished half shell during the forming of the pre-formed half shell into its finished shape on account of the excess blank material. The object of specifying a method and an apparatus, by way of which the process reliability can be increased during the production of a half shell, is achieved by way of the abovementioned method by virtue of the fact that the size of the upset gap is reduced during the closing of the upsetting tool to the actual wall thickness of the jacket of the pre-formed half shell. In addition, the object is achieved by way of an upsetting tool according to the invention by virtue of the fact that two side walls are provided which, together with the bottom region of the die of the second tool half, form a corresponding die, and the side walls can be displaced perpendicularly or obliquely with respect to the movement direction of the die. | 03-10-2016 |
20160052037 | METHOD FOR PRODUCING HIGHLY DIMENSIONALLY ACCURATE HALF-SHELLS AND APPARATUS FOR PRODUCING A HALF-SHELL - The invention relates to a method for producing highly dimensionally accurate half-shells from a tailored blank, wherein, in a first die, with optional use of at least one hold-down means, the half-shell is subjected to pre-shaping by deep drawing, wherein the first die has at least one punch, a die base, a die rest surface and a jacket region, and wherein the pre-shaped half-shell is subsequently subjected to final shaping in a second die, in particular in a calibration tool. The object of specifying a method which simplifies the production of highly dimensionally accurate half-shells is achieved in that, before the deep drawing, the blank is tailored by cutting, taking into consideration the desired final shape of the pre-shaped and/or finally shaped half-shell, with a positive dimensional deviation in the predefined tolerance range, the die base of the first die is moved relative to the die rest surface, the blank is clamped between the die base and the punch of the first die, and the blank is deep-drawn in a guided manner. | 02-25-2016 |
20160047010 | HOT-FORMING APPARATUS AND METHOD FOR PRODUCING PRESS-HARDENED SHAPED COMPONENTS FROM STEEL SHEET - The present disclosure relates to a hot-forming apparatus for producing a press-hardened shaped component from a blank, with a furnace for heating the blank and a pressing device for forming and cooling the blank heated in the furnace, wherein the hot-forming apparatus has, arranged upstream of the furnace, a preheating roll truing device with a temperature-controllable roller for straightening and preheating the blank. The invention further relates to a method for producing a press-hardened shaped component from a blank, wherein the blank is heated in a furnace and the heated blank is then formed and cooled in a pressing device, and wherein, prior to heating in the furnace, the blank is straightened and preheated by means of a temperature-controllable roller of a preheating roll truing device. | 02-18-2016 |
20160045977 | INTEGRATED RESISTANCE WELDING OF FUNCTIONAL ELEMENT AND AUXILIARY ELEMENT - The invention relates to a method for joining at least one sandwich sheet to at least one functional element made of metal, wherein the at least one sandwich sheet has two metallic outer layers and a thermoplastic layer arranged between the metallic outer layers, wherein at least the region to be joined of the at least one sandwich sheet is heated in such a manner that the thermoplastic layer softens, the plastic layer is pushed out of the joining region by the outer layers being pressed together, and the outer layers of the at least one sandwich sheet are joined, in particular welded, to the functional element by an electric current flow between a first and a second electrode. | 02-18-2016 |
20160024609 | ROLLER HEARTH FURNACE AND METHOD FOR THE HEAT TREATMENT OF METAL SHEETS - The invention relates to a roller hearth furnace for the heat treatment of coated metal sheets as well as to a corresponding method. The objective of the invention is to put forward a roller hearth furnace that allows the alternating processing of AlSi-coated metal sheets and metal sheets with zinc alloy coatings for hot-working, whereby considerably less effort is involved for the alternating procedure than is the case in the state of the art. The roller hearth furnace according to the invention for the heat treatment of coated metal parts is characterized in that it has at least a first zone and a second zone, whereby in the first zone, a temperature below the melting temperature of the AlSi deposits or a temperature of more than approximately 900° C. [1652° F.] can be maintained, whereas in the second zone, a temperature of more than approximately 870° C. [1598° F.] can be reached. | 01-28-2016 |
20150368776 | Apparatus for Hot Dip Coating Metal Strip - An apparatus for hot dip coating metal strip is disclosed having a dip bath vessel ( | 12-24-2015 |
20150367677 | WHEEL HAVING COVERING PARTS - Disclosed herein is a wheel, in particular for vehicles, such as motor vehicles, with a rim ring having an opening defined there through, and with a main support at least partially arranged in the opening in the rim ring. The wheel, despite having a low weight, provides adequate rigidity and strength and can be produced in a simple manner, while maintaining design flexibility. The main support of the wheel has a plurality of spokes, and a plurality of covering parts for at least partially covering the spokes, wherein the main support and the covering parts support the rim ring. | 12-24-2015 |
20150292565 | LIGHTWEIGHT JOINT FOR TRANSMITTING ROTATIONAL MOVEMENTS - The invention relates to a connecting joint for transmitting a rotation movement from a first to a second rotating shaft, having a joint outer part, a joint central part, and a joint inner part, wherein for transmitting the rotation movement, the joint outer part is connected to the first rotating shaft and the joint inner part is connected to the second rotating shaft. A plurality of balls are provided in ball tracks, which balls in the ball tracks may change their position in relation to the joint outer part, joint central part, and joint inner part. Rotational movement of the connecting joint, by way of the balls in the ball tracks, is transmittable from the joint outer part via the joint central part to the joint inner part and vice versa. | 10-15-2015 |
20150290695 | DEVICE FOR PUNCHING AN OPENING INTO A LIGHTWEIGHT METAL SHEET AND A METHOD FOR PERFORMING THE SAME - The present invention proposes a device, robot with such a device, punch for such a device and method for punching an opening into a lightweight metal sheet that has at least two metallic outer layers and at least one non-metallic core layer arranged between the metallic outer layers, the device having means for carrying out a relative movement of a punch with respect to the lightweight metal sheet and a quill with an integrated heat source, the punch being able to be heated up by the heat source. | 10-15-2015 |
20150284029 | SPRING STRUT TOP MOUNTING - The invention relates to a spring strut top mounting, comprising at least one shaping base body, wherein the at least one shaping base body has a dome-shaped section in the region connecting to the spring strut and at least one separate, local reinforcement element which is connected to the base body. The object of making available a spring strut top mounting which has improved rigidity, in particular improved local rigidity, is achieved according to the invention in that the base body has at least one stamped region in the region connecting to the spring strut, and the at least one reinforcement element lays against the base body at least in the vicinity of the at least one stamped region. | 10-08-2015 |
20150239053 | DEVICE AND METHOD FOR PARTIAL DECOATING AND/OR MACHINING OF MATERIAL FROM A WORKPIECE - The present invention relates to a device for partial decoating and/or machining removal of a steel sheet coated with a metal coating and/or provided with a parasitic layer, wherein the device has a machining tool in the form of a scraping roller and wherein the scraping roller comprises a cutting edge for scraping the metal coating and/or parasitic layer off the steel-sheet surface, and wherein furthermore the scraping roller is rotatable about a rotation axis perpendicular to a main plane of extent of the steel sheet, the scraping roller has a circumferential face which is concentric with the rotation axis and in which at least one circumferential groove is formed, the groove has two lateral groove boundary faces that originate from the groove bottom face, wherein at least one of the two groove boundary faces has the cutting edge and the device is configured such that during decoating and/or machining removal, the at least one cutting edge scrapes over the steel-sheet edge in a manner parallel to the main plane of extent of the steel sheet. | 08-27-2015 |
20150231684 | METHOD FOR PRODUCING A SEAMLESS PRESSURE VESSEL FOR STORING HYDROGEN - The invention relates to a method for producing a seamless pressure vessel for storing hydrogen and also to such a pressure vessel produced by the method. In order that such a pressure vessel withstands both very high internal pressures and pressure fluctuations as well as (low) temperatures and temperature fluctuations and also high mechanical loading from the outside, is resistant to embrittlement and is comparatively lightweight and can be produced cost-effectively, the invention proposes forming a round or tubular workpiece consisting of a multi-layer composite sheet metal material comprising a carrier layer made of steel material, preferably carbon steel, and a shielding layer resistant to hydrogen embrittlement by a flow forming process into a seamless hollow body, which serves as a semifinished product to be further processed into the seamless pressure vessel, wherein the workpiece is formed in such a manner that the shielding layer represents an inner layer of the pressure vessel, and in which the multi-layer composite sheet metal material or the workpiece is selected or produced with respect to the thickness of the shielding layer in such a way that, during the flow forming of the workpiece, the shielding layer is retained as a whole-area, uninterrupted layer. | 08-20-2015 |
20150218840 | MODULAR TOWER FOR A WIND POWER PLANT - The invention relates to a tower of a wind power plant, having a lower part in the form of a lattice tower or truss tower with at least two corner bars, and an upper part in the form of a cross-sectionally substantially round tubular tower, wherein each particular corner bar is put together from a plurality of steel tube profiles that are connected together in the longitudinal direction. In order to achieve good transportability and easier assembly of the components of such a tower, the invention proposes a modular tower concept. According to the invention, each particular corner bar is in this case put together from at least three steel tube profiles which are provided with perforated flanges for holding screws, wherein the corner bars are connected together by cross struts and/or tension struts attached to the flanges, and wherein the steel tube profiles of each particular corner bar are spirally welded steel tube profiles. | 08-06-2015 |
20150211233 | ROOF COVERING ELEMENT - The invention relates to a roofing element ( | 07-30-2015 |
20150209840 | METHOD FOR THE SURFACE TREATMENT OF A WORKPIECE - Shown and described herein is a method for the surface treatment of workpieces, in particular of coated metal workpieces, for hot forming. In order to achieve an improved surface treatment of the workpieces, the following steps are proposed: b) partially or completely heating the workpieces to a temperature of at least Ac1, c) cleaning the workpiece surfaces of the heated workpieces with at least one pressurized air jet, d) forming the heated and cleaned workpieces, and e) cooling down the formed workpieces. | 07-30-2015 |
20150202844 | SANDWICH SHEET AND PROCESS FOR PRODUCTION THEREOF - The invention relates to a sandwich sheet, in particular for the production of construction components or of vehicle body parts, with metallic cover sheets and with, arranged between the cover sheets, at least one core layer made of polymer and is integrally joined to the cover sheets. The core layer of the sandwich sheet comprises according to the invention a fibre-containing carrier, the fibres of the carrier are surrounded by a polyurethane matrix, in which the polyurethane matrix has been formed from an aqueous, solvent-free polyurethane dispersion, in which the fibres have the form of relatively short fibre pieces with a total fibre length of maximum 50 mm in the polyurethane matrix. The fibres of the carrier are preferably composed of mineral fibres, in particular of ceramic fibres. The sandwich sheet of the invention features an inexpensive, lightweight core layer which extends the range of possible uses of the sandwich sheet. A process is moreover disclosed for the production of this sandwich sheet. | 07-23-2015 |
20150184698 | METHOD FOR PRODUCING A CONNECTING ELEMENT FOR TRANSMITTING ROTATIONAL MOVEMENTS - The invention relates to a method for producing a connecting element for transmitting rotational movements, wherein the connecting element has a joint outer part or flange and a connecting pin. The object of providing a method for producing a connecting element with a joint outer part or flange and a connecting pin, with which method weight-optimized connecting elements can be produced in a simple manner, is achieved in that a round-plate-like or tubular blank is deformed by flow forming or flow turning to form the connecting element. | 07-02-2015 |
20150151379 | Method for producing a composite component - A method for producing a composite component for a vehicle is proposed, wherein, in a first method step, a formed first component is provided, wherein, in a second method step, a formed second component is provided, and wherein, in a third method step, the first component and the second component are connected to one another, wherein furthermore, in the third method step, the first component and the second component are connected to one another by friction stir welding, wherein, in the first method step, a first component of a first specification is provided, and wherein, in the second method step, a second component of a second specification that differs from the first specification is provided. | 06-04-2015 |
20150129556 | Device and Method for Producing at least Partially Closed Profiles or Tubular Components from Metal Sheet - The invention relates to a device and method for producing at least partially closed profiles from metal sheet, having a first tool part, a second tool part, and at least one supporting core. The insertion movement of the supporting core between the bending jaws is limited by a stop and, in its insertion position limited by the stop, protrudes with respect to the bending jaws in the direction of the die, in that the supporting core is arranged on a carrier that is movable relative to the die, and in that the bending jaws are assigned at least one displacement element connected rigidly thereto, the displacement element coming into contact with the carrier when the bent metal sheet portion engages around the supporting core. | 05-14-2015 |
20150082636 | Method and Device for Producing Shaped Sheet Metal Parts at a Low Temperature - The invention relates to a method for producing a shaped sheet-metal part from a panel or a semifinished part made of a material consisting of steel with at least 60 wt. % Fe and a residual austenite content of at least 5%, in which the panel or the semifinished part is at least partially cooled to a temperature below −20° C. before the shaping and is shaped at a temperature below −20° C. in a forming tool. The object of providing a method for producing load-compliantly configured components, which on the one hand permits industrial-scale use of low-temperature forming and is configured particularly simply, is achieved by reducing the material temperature of the panel or semifinished part to below −20° C. is carried out in a thermally regulated cooling apparatus. | 03-26-2015 |
20150037534 | METHOD FOR BENDING A COMPOSITE SHEET AND SUCH A BENT COMPOSITE SHEET - The invention relates to a method for bending at least one edge of a composite sheet, which has at least two outer metallic layers and an inner plastic layer, in which the edge of the composite sheet is edge-bent in a first step and is bent into the finished form in at least one further method step. In addition, the invention relates to a correspondingly bent composite sheet. The object of making a method for bending a composite sheet available, in which cracks in the metallic layers of the composite sheet can be prevented and, at the same time, in which a seam can easily be provided, is achieved by using an edge-bending punch, a holding-down device and an edge-bending jaw during the edge-bending operation and by the edge-bending punch having a notch running in the bending direction below the bending edge of the edge-bending punch. | 02-05-2015 |
20140341493 | DEVICE FOR REDUCING PRESSURE IN HOLLOW BODIES IN MEDIA AT HIGHER TEMPERATURES - The invention relates to the field of materials science and to a device for reducing pressure in cavities in media at higher temperatures, such as those devices which can be used for devices for hot-dip coating metal materials in the metal processing industry for example. The aim of the invention is to provide a device by means of which pressure can be reduced in the cavity of the hollow bodies in a reliable and controlled manner and simultaneously the penetration of the media can be delayed or completely prevented at the higher temperatures. This is achieved by a device for reducing pressure in hollow bodies in media at higher temperatures, wherein at least one opening to the cavity of the hollow body is provided in hollow body regions which are not used for the intended application, said opening being closed from the medium surrounding the hollow body by at least one component made of a gas-permeable metal or ceramic material. | 11-20-2014 |
20140331731 | Device and method for the deep drawing of shell parts with integrated head and frame trimming - The invention relates to a device for producing shell components having at least a lower region, a frame region and optionally a flange region from a planar or preformed plate with a drawing die and a drawing punch, the drawing die having a shaping region and at least one cutting region, the shaping region of the drawing die having at the end of the drawing operation the outer shape of the shell component to be drawn and to be cut in the lower region, frame region and optionally in the flange region, the drawing punch having a shaping region and at least one cutting region, the shaping region of the drawing punch having, at the end of the drawing operation, the inner shape of the shell component to be drawn and to be cut with a lower region, frame region and optionally a flange region. | 11-13-2014 |
20140322559 | High-Strength Flat Steel Product and Method for Producing Same - A flat steel product having a tensile strength of at least 1200 MPa and consists of steel containing (wt %) C: 0.10-0.50%, Si: 0.1-2.5%, Mn: 1.0-3.5%, Al: up to 2.5%, P: up to 0.020%, S: up to 0.003%, N: up to 0.02%, and optionally one or more of the elements “Cr, Mo, V, Ti, Nb, B and Ca” in the quantities: Cr: 0.1-0.5%, Mo: 0.1-0.3%, V: 0.01-0.1%, Ti: 0.001-0.15%, Nb: 0.02-0.05%, wherein Σ(V, Ti, Nb)≦0.2% for the sum of the quantities of V, Ti and Nb, B: 0.0005-0.005%, and Ca: up to 0.01% in addition to Fe and unavoidable impurities. The flat steel product has a microstructure with (in surface percent) less than 5% ferrite, less than 10% bainite, 5-70% untempered martensite, 5-30% residual austenite, and 25-80% tempered martensite, at least 99% of the iron carbide contained in the tempered martensite having a size of less than 500 nm. | 10-30-2014 |
20140298875 | Method and Device for Producing a Composite Sheet-Metal Part with a Metal Edge Region - The invention relates to a method for producing a composite sheet metal part with a metal edge region comprising two outer covering sheets of metal and at least one layer consisting of a plastic arranged between the covering sheets. The method is characterised in that a selected edge region of the composite sheet metal part is heated in such a way that the plastic layer arranged between the outer covering sheets softens, by applying a force to at least one outer covering sheet in the edge region the covering sheets are pressed against one another at some points or regions, so that the plastic layer in the edge region subjected to the force is expelled, and subsequently or at the same time as the application of the force both covering sheets in the compressed edge region are joined to one another at least over some regions or points. | 10-09-2014 |
20140251531 | Method for producing a composite sheet metal part having a metallic region, and corresponding molding tool - The invention relates to a method for producing a composite sheet metal part having at least one metallic region from a composite sheet metal blank which has two outer cover sheets of metal and at least one layer which is arranged between the cover sheets and consists of plastics material. The invention provides an apparatus and method by which complex formed composite sheet metal parts can easily be produced in a few steps and which still have metallic regions which can be used for joining to further parts. | 09-11-2014 |
20140251505 | Method for Producing a Flat Steel Product Provided with a Metal Protective Layer by Way of Hot Dip Coating - Optimal wetting and adhesion of the hot-dip coating by way of pre-oxidation in a DFF pre-heating furnace and humidification of the annealing atmosphere in a holding zone is achieved in a hot dip galvanised flat steel product. | 09-11-2014 |
20140203482 | Apparatus and Method for the Treatment of a Flat Steel Product, Taking Place in Throughput - An apparatus and a method for the treatment of a flat steel product, taking place in throughput. The apparatus includes an indirectly heated annealing furnace chamber, a conveyor device for continuously conveying the flat steel product over a conveyor path leading from an entry to an exit of the annealing furnace chamber, and nozzle arrangements for feeding atmosphere gas, which is reactive in relation to the flat steel product, into the annealing furnace chamber. A controlled treatment of the flat steel product includes a first nozzle arrangement, from which a gas jet induces a first gas flow towards the entry of the annealing furnace chamber and sweeping over the surface of flat steel product to be treated. A second nozzle arrangement includes a gas jet which induces a second gas flow directed towards the exit of the annealing furnace chamber and sweeping over the surface of flat steel product. | 07-24-2014 |
20140178633 | Composite Material and Structural Components of a Motor Vehicle - A composite material is shown and described in the form of a laminated material made of flat superimposed layers for production of a structural component, in particular for structural components of a motor vehicle, comprising at least one metal layer and at least one fibre-reinforced plastic layer. In order to achieve firstly a reduction in weight and secondly an increase in strength of a structural component made from the composite material, with a reduction in component costs, it is provided that the fibre-reinforced plastic layer has a matrix based on polypropylene, polyethylene, polyamide and/or mixtures thereof. | 06-26-2014 |
20140144550 | Method for Hot Dip Coating of a Flat Steel Product - A method for hot dip coating a flat stainless steel product with more than 5 wt. % Cr with a protective metallic coating by: heating the flat steel product under an oxygen-free heating atmosphere to 100° C.-600° C. within 1-30 seconds; continuing heating to a holding temperature of 750° C.-950° C., by heating to 550° C.-800° C. under an inert or reducing atmosphere, holding within this temperature window for 1 to 15 seconds under an oxidising atmosphere, and continuing heating under an inert or reducing atmosphere, until the holding temperature is reached; holding at the holding temperature for 10-120 seconds under a reducing atmosphere; and passing the flat steel product through a nozzle area under an inert or reducing atmosphere at 430°-780° C. and into a molten bath in which the flat steel product is coated with the metallic coating. | 05-29-2014 |
20140117716 | Understructure for a vehicle - The present invention relates to a floor structure for a motor vehicle with accommodating means for at least two energy storage modules, wherein the accommodating means comprise at least two longitudinal members and at least two cross members. In addition the present invention relates to the use of such a floor structure in a vehicle with an electric and/or internal combustion engine. The technical problem of providing a floor structure that in the event of accidents, in particular side impacts, improves the protection of the batteries in floor structures of vehicles without adversely affecting the weight or the costs, is solved in that the accommodating means have at least one deformation zone with defined deformation behaviour between the energy storage modules. | 05-01-2014 |
20140096579 | Method For Producing Slit Hollow Profiles - A method for producing slit hollow profiles from a cut blank is provided, in which the hollow profile is produced from the essentially flat blank using rolling-up technology or using U-O-forming, so that the hollow profile has a slit in the axial direction along the abutting edges of the formed blank. Highly dimensionally stable, slit hollow profiles can be produced which can be easily joined to form closed hollow profiles, is achieved by the cut blank providing a circumferential length in the locally provided cross-sectional areas which is greater than the required forming length, so that when the cut blank is formed into a closed hollow profile the opposite edges of the formed cut blank abut on one another and when it is formed into the final shape at least the areas of the hollow profile abutting on the edge joint are at least partly compressed in the circumferential direction. | 04-10-2014 |
20140077527 | Vehicle Body and Use Thereof - The invention concerns a vehicle body, in particular for electric motor vehicles, having a left-hand and a right-hand front region and at least one first longitudinal member extending in one of the front regions in the longitudinal direction, wherein in the front region at least one second longitudinal member is provided, which is arranged outside the horizontal plane of the first longitudinal member and the direction of extension of which extends angularly to the direction of extension of the first longitudinal member at least in horizontal projection. The invention also concerns the use of such a vehicle body for producing a motor vehicle without a combustion engine, in particular an electric motor vehicle. | 03-20-2014 |
20140060281 | METHOD AND DEVICE FOR MECHANICALLY REMOVING COATINGS FROM COATED BLANKS USING A PRESS AND SCRAPING KNIFE - The invention relates to a method for the decoating at least in part of blanks made of metal which are coated on one or both sides in regions, which have a main extension direction, wherein the regions to be decoated can extend in both a straight or curved manner in the main extension direction. The invention further relates to a device for the decoating at least in part of a coated blank in order to carry out the method according to the invention. A method is provided in which the blank is placed on a blank support of a press and during the closing movement of the press at least one scraping knife preferably completely removes the coating of the blank by scraping substantially perpendicular to the main extension direction of the region of the blank to be decoated. | 03-06-2014 |
20140057130 | Flat Steel Product, Method for Production of a Flat Steel Product and Method for Production of a Component - A flat steel product which is provided for forming into a component by hot pressing and which has a base layer of steel on which is applied a Zn or a Zn alloy metallic protective coating for protecting against corrosion. On at least one of the free surfaces of the flat steel product, a separate cover layer is applied which contains an oxide, nitride, sulphide, carbide, hydrate or phosphate compound of a base metal. In addition, a method which allows the production of such a flat steel product, and a method which allows the production of a component from such a flat steel product. | 02-27-2014 |
20140048181 | Flat Steel Product and Method for Producing a Flat Steel Product - A flat steel product, intended to be formed into a component by hot press forming and having a base made of steel, onto which a metal anti-corrosion coating of a Zn or a Zn alloy is applied. A separate finishing coat is applied to at least one of the free surfaces of the flat steel product. The finishing coat includes at least one base metal compound (oxide, nitride, sulphide, sulphate, carbide, carbonate, fluoride, hydrate, hydroxide, or phosphate). Also, a method enabling the production of a flat steel product of this kind. | 02-20-2014 |
20140047891 | Method and Device for Producing Flangeless Drawn Parts - The invention relates to a method for producing flangeless drawn parts from a flat and/or preformed metal blank using a drawing punch, a blank holder and a drawing die, wherein the drawing die has at least one supporting region and at least one wall region, between which rounded run-in portions are provided, and the blank is trimmed during the drawing operation. In addition, the invention relates to a method for producing flangeless drawn parts from a flat and/or preformed metal blank comprising a drawing punch, a blank holder, a drawing die with at least one supporting region, at least one wall region and rounded run-in portions, which are provided between the supporting region and the wall region. | 02-20-2014 |
20140047890 | Method and Device for Producing Flanged Drawn Parts with Simultaneous Trimming - The invention relates to a device and method for producing flanged drawn members from a planar and/or pre-shaped plate of metal using a drawing punch having at least one cutting edge or rounded portion, a retention member and a drawing die, wherein the drawing die has a rib region, a flange region and a support region for the plate, the plate being placed on the support region of the drawing die and being shaped into the drawn member by the drawing punch being introduced into the drawing die and at the same time being cut at the flange region. | 02-20-2014 |
20140041767 | Hot-Rolled Flat Steel Product Produced from a Complex Phase Steel and Method for the Production Thereof - A hot-rolled flat steel product having a tensile strength of at least 1100 MPa, good elongation properties, and good deformation properties. The flat steel product is produced from a complex phase steel, which contains, in addition to iron and inevitable impurities (in % by weight), C: 0.13-0.2%, Mn: 1.8-2.5%, Si: 0.70-1.3%, Al: 0.01 to 0.1%, P: up to 0.1%, S: up to 0.01%, Cr: 0.25-0.70%, optionally Mo, the total of the Cr and Mo contents being 0.25-0.7%, Ti: 0.08-0.2%, B: 0.0005-0.005%, and a structure which consists of at the most 10% by volume of residual austenite, 10-60% by volume of martensite, at the most 30% by volume of ferrite and at least 10% by volume of bainite. Also, a method for producing such a flat steel product. | 02-13-2014 |
20140021177 | Method and Apparatus for Machining a Workpiece by Means of a Laser Beam - The invention relates to a method for machining a workpiece by means of a laser beam, in particular a part of a motor vehicle, wherein a laser beam is applied to the workpiece by means of a scanner, material of the workpiece is ablated, the radiation produced by the plasma during the process in the work area and/or reflected laser radiation is detected, and a signal is generated depending on the detected plasma and/or laser radiation. In addition the invention also relates to an apparatus for the laser beam machining of a workpiece, in particular for carrying out a method according to the invention. A greater process reliability can be ensured in laser beam machining in that the position of the laser beam in relation to the workpiece and/or the ablation depth is regulated and/or controlled depending on the signal. | 01-23-2014 |
20140007992 | Method for Producing a Hot-Rolled Flat Steel Product - A method for generating a flat steel product comprising the steps of: melting a steel melt, comprising, in addition to Fe and unavoidable impurities (in wt %) C: 0.5-1.3%, Mn: 18-26%, Al: 5.9-11.5%, Si: <1%, Cr: <8%, Ni: <3%, Mo: <2%, N: <0.1%, B: <0.1%, Cu: <5%, Nb: <1%, Ti: <1%, V: <1%, Ca: <0.05%, Zr: <0.1%, P: <0.04%, S: <0.04%; casting the steel melt into a cast strip; heating the cast strip to an initial hot-rolling temperature of 1100-1300° C. at a heating rate of at least 20 K/s; hot rolling the cast strip into a hot strip; cooling the hot strip within 10 seconds after the hot rolling at a cooling rate of at least 100 K/s to <400° C.; and winding the cooled hot strip into a coil at a coiling temperature of up to 400° C. | 01-09-2014 |
20130284321 | Multi-Phase Steel, Cold-Rolled Flat Product Produced from Such a Multi-Phase Steel and Method for Producing It - A multi-phase steel including in % wt. C: 0.14-0.25%, Mn: 1.7-2.5%, Si: 0.2-0.7%, Al: 0.5-1.5%, Cr: <0.1%, Mo: <0.05%, Nb: 0.02-0.06%, S: up to 0.01%, P: up to 0.02%, N: up to 0.01% and optionally at least one of Ti, B, and V according to the following stipulation: Ti: up to 0.1%, B: up to 0.002%, V: up to 0.15%, with the remainder iron and unavoidable impurities, wherein the microstructure has at least 10% vol. ferrite and at least 6% vol. residual austenite and the steel has a tensile strength R | 10-31-2013 |
20130283882 | Process and Installation for Producing a Component from Sheet Magnesium - The invention relates to a method and an installation for producing a component from sheet magnesium, comprising a forming tool, which comprises a punch and a die, for forming a semi-finished product made of sheet magnesium, in particular a semi-finished product in the form of a sheet magnesium blank, and a device for heating the semi-finished product to an elevated temperature, preferably to a temperature of at least 200° C., prior to the forming. In order to reduce the component costs, the invention proposes that the forming tool is designed without an internal heat source, is provided with a semi-finished product holder on which the heated semi-finished product can be placed in the forming tool without direct contact with the punch and the die, and comprises a drive which brings about a closing speed of the punch and the die in the range of 15 mm/s to 500 mm/s. | 10-31-2013 |
20130273387 | High-Frequency Welding of Sandwich Metal Sheets - The invention relates to a method for welding a first composite sheet metal part comprising at least two metal sheets and a sheet arranged between both metal sheets that consists of a material with a different chemical composition than the two metal sheets, to a second sheet metal part consisting of a solid metallic material or a further composite material with at least two metal sheets and a sheet arranged between the metal sheets that consists of a material with a different chemical composition than the two metal sheets. The object of providing a method for welding composite sheet metal parts is achieved by welding the sheet metal parts using a high-frequency welding method. | 10-17-2013 |
20130248055 | Multi-Phase Steel, Cold-Rolled Flat Product Produced from Such a Multi-Phase Steel and Method for Producing It - A multi-phase steel which in addition to iron and unavoidable impurities includes (in % wt.) C: 0.14-0.25%, Mn: 1.7-2.5%, Si: 1.4-2.0%, Al: <0.1%, Cr: <0.1%, Mo: <0.05%, Nb: 0.02-0.06%, S: up to 0.01%, P: up to 0.02%, N: up to 0.01% and optionally one of Ti, B, and V according to the following stipulation: Ti: ≦0.1%, B: ≦0.002%, V: ≦0.15%. A cast semi-finished product, is hot rolled starting at an initial temperature of 1100-1300° C. and ending at a final temperature of 820-950° C., coiled at 400-750° C., cold rolled into the cold flat product at degrees of 30-80%, and subjected to a heat treatment including continuous annealing at 20° C.+A | 09-26-2013 |
20130244014 | Structural or Chassis Part of a Motor Vehicle - The invention relates to a structural or chassis component of a motor vehicle, said structural or chassis component consisting of a composite material comprising an outer metallic layer, a middle plastics or plastics foam layer and an outer fibre-reinforced plastics layer. The object of providing a structural or chassis component which allows a further reduction in weight to be made without adversely affecting the load bearing capacity characteristics is achieved in that the thickness of the middle plastics layer is at least 0.2 mm. | 09-19-2013 |
20130229723 | Supporting Device for a Curved Mirror - The invention relates to a support device for a curved mirror having support elements and a curved mirror. The objective of providing a support device for a curved mirror which is constructed in a particularly simple manner and which enables particularly low production costs is achieved by a support device in that the support device has at least one bent metal carrier profile-member, the bent carrier profile-member having in the longitudinal direction an at least similar curvature to the curved mirror and being substantially mirror-symmetrical in the longitudinal direction. | 09-05-2013 |
20130209831 | High-Strength, Cold-Formable Steel and Flat Steel Product Made from Such a Steel - High-strength, cold-formable steel and a flat steel product produced from such a steel, in which an optimal combination of weldability and a low tendency towards delayed cracking is ensured along with good strength and hot and cold deformability. In order to achieve this, a steel according to the invention contains (in % by weight) C: 0.1-1.0%, Mn: 10-25%, Si: up to 0.5%, Al: 0.3-2%, Cr: 1.5-3.5%, S: <0.03%, P: <0.08%, N: <0.1%, Mo: <2%, B: <0.01%, Ni: <8%, Cu: <5%, Ca: up to 0.015%, at least one element from the group “V, Nb” with the following proviso: Nb: 0.01-0.5%, V: 0.01-0.5% and optionally Ti: 0.01-0.5% and iron and unavoidable, production-related impurities as the remainder. | 08-15-2013 |
20130206284 | Method for Producing a Hot-Formed and Hardened Steel Component Coated with a Metallic Anti-Corrosion Coating from a Sheet Steel Product - A method for producing a steel component with a metallic anti-corrosion coating from a sheet steel product comprising at least 0.4% by weight Mn is disclosed. The sheet steel product is annealed in a continuous furnace under an annealing atmosphere containing up to 25% by volume H | 08-15-2013 |
20130193181 | Device and Method for Guiding Bands to be Joined to one Another Along Their Longitudinal Edges - The invention relates to a method and a device for guiding bands to be joined to one another along their longitudinal edges, comprising guide elements which form tracks for guiding the bands that are configured such that the bands approach one another in the transport direction and the longitudinal edges thereof rest on one another at a non-overlapping contact point. At least one of the tracks may be configured to undulate with a wavelength of ¼≦λ≦2, such that transverse displacement of the band guided thereon occurs. The axes of rotation and/or longitudinal central axes of the guide elements may also be inclined towards one another at different angles of inclination in relation to a horizontal plane of reference, such that the band guided on said track is rotated about its longitudinal axis in the transport direction. | 08-01-2013 |
20130186165 | Device and Method for Producing at Least Partially closed Hollow Profiles with Rotatable Die Halves and Low Cycle Time - The invention relates to a device to produce an at least in part closed hollow profile from a board by means of a U-O-forming with a tool comprising at least a U-stamp and at least an upper cavity in a first tool half. At least two identical at least in part U-shaped die cavities are provided in a second tool half. The U-stamp and the upper cavity of the first tool half are each meshed with an at least in part U-shaped cavity when the tool is shut. The at least one U-stamp and the at least one upper cavity of the first tool half and the at least two at least in part U-shaped die cavities of the second tool half are arranged in a rotationally symmetrical manner to the rotational axis running in the closing direction of the tool. | 07-25-2013 |
20130186164 | Apparatus and Method for Producing at Least Partially Closed Hollow Profiles with a Short Cycle Time - The invention relates to a device and a method for producing at least partially closed hollow profiles from a sheet by a U-O-forming with a tool set comprising a U-punch in a first tool half for producing an at least partially U-shaped sheet and an upper die in a second tool half for forming an at least partially U-shaped sheet into an at least partially closed hollow profile. Parts of the tool set run parallel to one another in the axial direction of the at least partially closed hollow profile to be produced and are arranged above one another in the closing direction of the tool halves, wherein a common matrix receiver is provided between the tool halves of the tool set, which receiver comprises at least two identical, partially U-shaped dies for the tool set and can rotate about its axial axis. | 07-25-2013 |
20130180305 | Method for Producing a Flat Steel Product which can be Readily Formed, Flat Steel Product and Method for Producing a Component from such a Flat Steel Product - A readily formable flat steel product has a ductile edge layer that is from 10 to 200 μm thick and has a ductility greater than a ductility of an inner core layer of the flat steel product. The readily formable flat steel product is produced by annealing a flat steel product having a C content of from 0.1 to 0.4% by weight in a continuous furnace. The annealing is carried out under an annealing atmosphere that contains from 0.1 to 25% by vol. of H | 07-18-2013 |
20130140851 | B-Pillar Reinforcement of a Motor Vehicle - The invention relates to a B-pillar reinforcement of a motor vehicle having an upper region for joining the B-pillar reinforcement to the roof region of the motor vehicle and a lower region for joining the B-pillar reinforcement to a floor support of the motor vehicle, which B-pillar reinforcement comprises at least one hollow profile made of metal, in particular steel, and the hollow profile forms the upper and lower regions of the B-pillar reinforcement. The object of providing an improved B-pillar reinforcement which, on the one hand, is optimised in respect of a load-appropriate configuration with a minimum weight, allows a very good integration of additional components of the B-pillar, is achieved in that the hollow profile has at least to some extent a substantially trapezoidal cross-sectional surface in one of the regions and has an at least partly U-shaped cross-sectional surface in the other region. | 06-06-2013 |
20130125992 | Product for Fluidic Applications, Method for its Production and Use of Such a Product - The present invention relates to a product for fluidic applications, with at least one surface segment having a plurality of ribs in contact with a fluid flowing in a flow direction and adjacent ribs delimit between them in each case a valley and a method for production and a use of such a product. The product according to the invention can be produced economically with further improved flow properties; in that at least two ribs with the valley they respectively delimit are combined in a group, that at least two groups are present, and separated from each group arranged adjacent to it, viewed transverse to the flow direction S of the fluid, by a valley, and that the height profile of the valley differs in each case from the height profile of the valleys delimited by those ribs of the groups which are adjacent to the valley separating the groups. | 05-23-2013 |
20130062912 | Carrier Element for a Motor Vehicle - The invention relates to a carrier element for a motor vehicle made of steel, which comprises at least one closed cross-sectional area and at least one rolled profile produced from a tailored strip, which extends in longitudinal direction of the carrier element. In addition to this, the invention relates to a body of a motor vehicle. The object of making available a carrier element for a motor vehicle that cannot only be produced in a simple manner and can provide high strengths with same manufacturing costs is solved in that through the rolled profile a carrier element having at least one at least partially closed cross-sectional area is formed. | 03-14-2013 |
20130019648 | METHOD AND DEVICE FOR DRAWING AND TRIMMING BLANKS - The invention relates to a device for drawing components from a blank ( | 01-24-2013 |
20120328899 | Metal Strip Having a Constant Thickness and Varying Mechanical Properties - The invention relates to a metal strip which is produced from steel by hot rolling and by cold rolling of the metal strip. The invention also relates to a blank produced from the metal strip, the use of the metal strip, and to a method of producing it. The object of providing metal strip from which components of minimum weight which are adapted to specific loads can be produced with little cost or complication is achieved by metal strip of the generic kind which, after the cold rolling, is of constant thickness and has, section by section, regions whose mechanical properties vary. What “after the cold rolling” means, for the purposes of the present invention, is that, immediately on completion of the cold rolling, i.e. without any further treatment such as heat treatment, regions whose mechanical properties vary are present in the metal strip. | 12-27-2012 |
20120282482 | Method and Device for Producing a Half-Shell Part - The invention relates to a method for producing a half-shell part with a drawing punch and a drawing die. The object of providing a method for the process-reliable and cost-effective production of highly dimensionally stable half-shell parts is achieved in that, in a single work step, the drawing punch is advanced into the drawing die, a sheet metal blank is preformed into a sheet metal raw part with at least one base section, at least one frame section and optionally a flange section, wherein during the preforming with the drawing punch a material excess is introduced either into the base section and the frame section or into the optional flange section of the sheet metal raw part, and the sheet metal raw part is finished to form a half-shell part and calibrated. | 11-08-2012 |
20120279621 | STEEL, STEEL FLAT PRODUCT, STEEL PART AND METHOD FOR PRODUCING A STEEL PART - Disclosed is a steel, a steel flat product, a steel part produced from it by hot forming with subsequent hardening, and a method for producing a steel part. In order to guarantee to a high degree of reliability that a part possesses high strength values and an increased elongation at break, the steel contains (in % wt.) C: 0.15-0.40%, Mn: 1.0-2.0%, Al: 0.2-1.6%, Si: 0-1.4%, total of the contents of Si and Al: 0.25-1.6%, P: 0-0.10%, S: 0-0.03%, Cr: 0-0.5%, Mo: 0-1.0%, N: 0-0.01%, Ni: 0-2.0%, Nb: 0.012-0.04%, Ti 0-0.40%, B: 0.0010-0.0050%, Ca: 0-0.0050%, remainder iron and unavoidable impurities. | 11-08-2012 |
20120211962 | Vehicle Chassis having Modular Rear Axle Construction - The invention relates to a bodywork of a motor vehicle comprising side members and a rear axle construction which is connected to the bodywork, the rear axle construction having means for attaching the rear axle construction to the bodywork and having a suspension, and the rear axle construction being configured as a torsion-beam axle or as a multi-link axle. The object to provide a generic bodywork of a motor vehicle with a rear axle construction which allows, in a financially favourable manner, a modular rear axle concept, i.e. the selective use of a torsion-beam axle or of a multi-link axle is achieved in that the bodywork has means for receiving the attachment means of a torsion-beam axle and of a multi-link axle and has means for receiving the attachment means and the suspension of a torsion-beam axle and of a multi-link axle. | 08-23-2012 |
20120186705 | Method and Device for Producing a Metal Component - The invention relates to a method for producing a metal structural component, in particular a vehicle structural component, in which a steel part is hot formed and is hardened at least over sections by contact with a tool surface, in which the steel part is during the hardening cooled in at least two partial regions at different cooling rates, so that the partial regions after the hardening differ in their microstructure, wherein the cooling rates differing from one another are produced by sections of the tool surface corresponding to the partial regions of the steel part, which differ from one another as regards their thermal conductivities. The invention also relates to a further method for producing a metal structural component, as well as a tool and a batch furnace. | 07-26-2012 |
20120164472 | Method of Producing a Steel Component Provided with a Metallic Coating Giving Protection Against Corrosion, and a Steel Component - A method by which a steel component can be produced, which is provided with a metallic coating which adheres well and which provides protection against corrosion, from a flat steel product produced from a steel material containing 0.3-3 wt.-% manganese and having a yield point of 150-1100 MPa and a tensile strength of 300-1200 MPa coated with an anti-corrosion coating which comprises a coating of ZnNi alloy which is electrolytically deposited on the flat steel product, which coating is composed in a single phase of γ-ZnNi phase and which contains, as well as zinc and unavoidable impurities, 7-15 wt.-% nickel. | 06-28-2012 |
20120152410 | Method And Device for Energy-Efficient Hot Forming - The invention relates to a method for hot forming of steel parts, in particular blanks or semi-finished products of steel, in which the steel parts are heated in a furnace for at least partial austenitisation to a temperature above the Ac1 temperature and hot formed in a forming tool. The object of providing a method for hot forming of steel parts which allows an energy-efficient performance of the hot forming while at the same time reducing the cycle times for producing a hot formed component, is achieved in that the waste heat from the furnace is used for further heat treatment steps of the steel part before and/or after the at least partial austenitisation of the steel part. | 06-21-2012 |
20120137498 | Hot Forming with Inlay Material - The invention relates to a method for hot forming a blank consisting of an aluminium or steel alloy, in which the blank is heated before forming and subsequently formed in a forming tool at a temperature of at least 150° C., and to a device for carrying out the hot forming, having a forming tool which has a punch and a die. The object of proposing an economic method for hot forming is achieved for hot forming an aluminium or steel blank by placing an insulating material onto at least one surface of the blank before forming, wherein the insulating material has a lower thermal conductivity than the blank and the forming takes place with the applied insulating material. | 06-07-2012 |
20120129001 | METHOD FOR THE PRODUCTION OF A FLAT STEEL PRODUCT AND FLAT STEEL PRODUCT - A flat steel product, comprising a base layer consisting of a steel material, and a multilayer coating applied thereto, and a method for producing the flat steel product. | 05-24-2012 |
20120125491 | Method for the Hot-Dip Coating of a Flat Steel Product Containing 2 - 35 wt.% of Mn, and a Flat Steel Product - A method by which a flat steel product containing 2-35 wt. % of Mn can be provided with a coating of Zn which adheres well by annealing at an annealing temperature T | 05-24-2012 |
20120085466 | Method For Producing A Steel Component By Hot Forming And Steel Component Produced By Hot Forming - A method for producing a steel component provided with a metallic coating which protects against corrosion, in which a steel flat product, produced from an alloyed heat-treated steel, is coated with an Al coating which contains ≧85% wt. Al and optionally ≦15% wt. Si, a Zn coating with ≧90% wt. Zn, and a top layer, the main constituent of which is at least one metal salt of phosphoric acid or diphosphoric acid and which additionally can contain contents of up to 45% of an Al:Zn ratio as well as optionally metal oxides, metal hydroxides and/or sulphur compounds, the steel flat product is heat treated at ≧750° C., and the steel component is hot-formed from the heated steel flat product. The hot-formed steel component is cooled at a cooling rate sufficient to form a tempered or martensitic structure. | 04-12-2012 |
20120074755 | Backrest Frame for a Vehicle Seat - The invention relates to a seat-back frame for a vehicle seat, which seat-back frame has a frame region extending transversely and two frame regions extending vertically and is of a U-shaped form. The object to provide a seat-back frame of the generic kind which has a minimum of components and at the same time allows a seat-back frame for belt-integrated vehicle seats to be provided easily is met in that there is provided a first half-shell made of a metal, which first half-shell forms a sub-region of each of the vertically extending frame regions of the seat-back frame and forms a sub-region of the transversely extending frame region of the seat-back frame, and there is provided a second sheet-metal half-shell which is connected to the first half-shell by bonding and which reinforces at least the transversely extending frame region of the seat-back frame. | 03-29-2012 |
20120074733 | Method for Producing a Metal Component From A Hot-Stamped Raw Material - The invention relates to a method for producing a metal component, wherein a raw material ( | 03-29-2012 |
20120040205 | METHOD FOR PRODUCING A PRESS-QUENCHED METAL COMPONENT - The invention relates to a method for producing a press-hardened metal component, in which a blank ( | 02-16-2012 |
20110266837 | Body for a Motor Vehicle and Method for Producing a Motor Vehicle Body - The invention relates to a body for a motor vehicle and to a method for producing a motor vehicle body. Such a body comprises two roof frame longitudinal profiles ( | 11-03-2011 |
20110240179 | Method for Producing a Component Having Improved Elongation at Break Properties - The invention relates to a process for producing a component having improved elongation at break properties, in which a component ( | 10-06-2011 |
20110227400 | Wheel Rim for a Motor Vehicle - The invention relates to a wheel rim for a motor vehicle which can be economically manufactured, with a wheel disc made of steel sheet and a rim flap running around the circumference of the wheel disc. Due to the fact that the steel sheet of the wheel disc is formed from at least three superimposed steel layers, joined to one another by roll-bonding in a non-detachable manner, of which the inner core layer has a lower strength than the outer layers it is thereby guaranteed that the wheel rim according to the invention, with a low weight, can safely accommodate the forces arising in practical operation. | 09-22-2011 |
20110219836 | METHOD FOR DETERMINING SHAPE CHANGES OF A WORKPIECE - The invention relates to a method for determining shape changes of a workpiece made of steel or a steel alloy due to forming, in which a varnish is applied to the workpiece, the workpiece is formed and then an optical shape change analysis is carried out by measuring the applied varnish. The object of providing a method for determining shape changes of a workpiece made of steel or a steel alloy, said method also being suitable for analyzing the shape change of a workpiece after hot forming, is solved according to the teaching of the present invention in that before the forming of the workpiece a varnish with an Al proportion of more than 30% by weight is applied to the workpiece, the workpiece is heated for forming to a hot forming temperature and the workpiece is cooled after or during the forming. | 09-15-2011 |
20110200766 | Method for Manufacturing a Hollow Profile, a Hollow Profile and a Vehicle Body - A hollow profile that has improved handling ability and a good ability to be attached to other components and a method for producing the hollow profile. In the method for producing a hollow profile having at least two half shell sheets, a first half shell sheet is applied to a first side of web plate along two axially running joint edges of the first half shell sheet, a second half shell sheet is applied to a second side of the web plate along two axially running joint edges of the second half shell sheet, and then the joint edges of the half shell sheets are subsequently joined to the web plate. An edge section of the web plate projects beyond the contact area of at least one joint edge so that at least one flange is formed for attaching other components. The hollow profile formed has two half shell sheets and a web plate disposed between the half shell sheets, which can form part of a vehicle body. | 08-18-2011 |
20110187154 | COCKPIT CROSS BEAM WITH VARIABLE STEERING COLUMN ANGLE OF INCLINATION - A cockpit cross beam for a motor vehicle includes at least one structured metal section arranged on the driver's side, wherein the metal section exhibits cross-sectional areas varying in the axial direction and has connection elements for connecting the metal section to other structural parts of a motor vehicle body. A cockpit cross beam that permits variable steering column angles of inclination with identical steering column connection is achieved in that the metal section arranged on the driver's side in each case has rotationally symmetric cross-sectional areas as connection elements at its ends and the cross-sectional areas of the ends have a common rotational axis. | 08-04-2011 |
20110132502 | Method for Producing a Formed Steel Part Having a Predominantly Ferritic-Bainitic Structure - In a method to produce formed steel parts a primary steel material is provided, which (in % by weight) comprises C: 0.02-0.6%, Mn: 0.5-2.0%, Al: 0.01-0.06%, Si: max. 0.4%, Cr: max. 1.2%, P: max. 0.035%, S: max. 0.035%, and optionally one or more of the elements of the “Ti, Cu, B, Mo, Ni, N” group, with the proviso that Ti: max. 0.05%, Cu: max. 0.01%, B: 0.0008-0.005%, Mo: max. 0.3%, Ni: max. 0.4%, N: max. 0.01%, and the remainder as iron and unavoidable impurities. The primary material is heated through at a heating temperature (TA) lying between the Ac1 and the Ac3 temperature, such that at best incomplete austenitising of the primary material takes place, is placed into a press-form tool and formed therein into the formed steel part. The formed steel part is then heated to a bainite forming temperature (TB), which is above the martensite starting temperature (MS), however below the pearlite transformation temperature of the steel. After cooling, it is maintained for an austernpering period (tB) at the bainite forming temperature (TB) in a substantially isothermic manner, until the formed steel part has produced a structure consisting predominantly of ferrite and bainite, the martensite content thereof being <5%, wherein residual austenite contents of <10% may be present. The formed part is then cooled to room temperature. | 06-09-2011 |
20110123780 | Method for Forming a Crimping Fold in a Multi-Layer Composite Material and Multi-Layer Composite Material Having at Least One Crimping Fold - A method for forming a beading fold in a multi-layer composite material, which has at least one core layer made of a plastics material and at least two cover layers made of a metallic material, provides high process reliability and optimal integrity of the formed multi-layer composite material. In particular, the method provides that, in the region of the beading fold to be formed, the core layer of the composite material is heated at least in portions to a temperature of 180° C. to 300° C. Also described herein is a multi-layer composite material having at least one beading fold, said material comprising at least one core layer made of a plastics material and at least two cover layers made of a metallic material. | 05-26-2011 |
20110111252 | Use of a Metal Composite Material in a Vehicle Structure - A use of a coilable multi-layer metallic composite material produced by means of roll-cladding in a vehicle structure, in particular a body structure, provides an alternative to monolithic materials. The composite material used in a vehicle structure is a lightweight composite material and comprises three layers of a steel alloy, wherein at least one of the layers is formed from a high-strength or very high-strength steel alloy. | 05-12-2011 |
20110094283 | Method for Controlling the Flow of Material When Deep-Drawing a Workpiece, and Deep-Drawing Device - The aim of the invention is to provide a method for controlling the flow of material when deep-drawing a workpiece, which better utilizes the drawing capacity of a workpiece and produces a better shape accuracy, particularly of the bottom of the drawn part. The aim is achieved by a method in which the deep-drawing process is performed incrementally and in which at least one bead is incorporated into the flange region of the workpiece prior to each increment of the deep-drawing process. Due to this, the shape accuracy of the bottom can be improved and material accumulations in the flange zone can be prevented. | 04-28-2011 |
20110056594 | PROCESS FOR PRODUCING A COMPONENT FROM A STEEL PRODUCT PROVIDED WITH AN AL-SI COATING AND INTERMEDIATE PRODUCT OF SUCH A PROCESS - A process for producing a component from a steel product coated with a protective Al—Si coating, and an intermediate product that arises during the course of such a process and that can be used to produce components of the type concerned here. The steel product coated with the Al—Si coating, undergoes a first heating stage in which the temperature and the duration of the heat treatment are set such that the Al—Si coating is only partially pre-alloyed with Fe from the steel product. Then, the steel product, in a second heating stage, is heated to a heating temperature, above the Ac1 temperature, at which the steel product has an at least partially austenitic structure, wherein the temperature and the duration of the second heating stage are set such that the Al—Si coating is fully alloyed with Fe from the steel product. After the steel product is heated to the heating temperature, it is shaped to form the component and the component obtained is cooled in a controlled manner, in order to obtain a martensitic structure. | 03-10-2011 |
20110017362 | STEEL FLAT PRODUCT HAVING A METALLIC COATING WHICH PROTECTS AGAINST CORROSION AND METHOD FOR PRODUCING A METALLIC ZN-MG COATING, WHICH PROTECTS AGAINST CORROSION, ON A STEEL FLAT PRODUCT - A steel flat product having a Zn—Mg—Al coating. The coating, which in addition to zinc and unavoidable impurities, comprises in wt. %: Mg: 4-8%, Al: 0.5-1.8% and optionally one or more of the following: Si: <2%, Pb: <0.1%, Ti: <0.2%, Ni: <1%, Cu: <1%, Co: <0.3%, Mn: <0.5%, Cr: <0.2%, Sr: <0.5%, Fe: <3%, B: <0.1%, Bi: <0.1%, Cd: <0.1%, REM<0.2%, and Sn<0.5%. The steel flat product according to the invention is not only outstandingly protected against corrosion, but also welds well and coats well with an organic layer applied subsequently. The invention also relates to a method for producing a steel flat product having a Zn—Mg—Al coating. | 01-27-2011 |
20110017361 | Method for Coating a Hot-Rolled or Cold-Rolled Steel Flat Product, Containing 6-30% wt. Mn, with a Metallic Protective Layer - A method for coating a hot-rolled or cold-rolled steel flat product, containing 6-30% wt. Mn, with a metallic protective layer by hot-clip coating in a melt bath. The coating, achieved with increased production reliability, is optimised by the steel flat product being subjected to a pickling treatment in which the manganese oxide adhering to the steel flat product is essentially fully removed in the pickling bath before the steel flat product enters the melt bath. | 01-27-2011 |
20100323216 | Multi-layered composite part made of steel having optimized paint adhesion - A multilayered composite part includes a plurality of steel alloy layers connected to one another, with at least one core layer consisting of a soft, well deformable steel alloy and at least one steel alloy layer of a very high strength steel alloy, arranged on the core layer. A multilayered composite part which is characterized simultaneously by a high strength paired with very good outer skin quality and very good paint adherence, is achieved in that at least one outer steel alloy layer of a soft, well deformable steel alloy is provided on the very high strength steel alloy layer. | 12-23-2010 |
20100319812 | METHOD FOR PRODUCING A SURFACE-DECARBURISED HOT-ROLLED STRIP - Disclosed is a method which allows steel strip to be produced in which high hardness and good formability are combined. The following steps of operation are followed.
| 12-23-2010 |
20100294400 | METHOD FOR PRODUCING A STEEL COMPONENT BY HOT FORMING AND STEEL COMPONENT PRODUCED BY HOT FORMING - A method for producing a steel component provided with a metallic coating which protects against corrosion, comprising the following steps: | 11-25-2010 |
20100294014 | Process and apparatus for producing a hollow body, and hollow body - A process for producing a metal hollow body comprising a first axial portion with a first cross-sectional area and a second axial portion with a second cross-sectional area, and in which the two axial portions are connected to one another by means of a shape transition running in the axial direction, the method includes producing a preform body having at least one transition region which extends in the axial direction and is arranged between the first and second axial portions, wherein, in the transition region, the cross-sectional area of the preform body continuously changes from the cross-sectional area of the first axial portion into the cross-sectional area of the second axial portion, accommodating the preform body in a die, a shaping mandrel into the preform body, and axially moving the shaping mandrel to upset the preform body in the die into the final shape of the hollow body. | 11-25-2010 |
20100273024 | DUAL-PHASE STEEL, FLAT PRODUCT MADE OF A DUAL-PHASE STEEL OF THIS TYPE AND PROCESSES FOR THE PRODUCTION OF A FLAT PRODUCT - A dual-phase steel, a flat product produced therefrom and a process for the production thereof. The dual-phase steel has, in addition to a strength of at least 950 MPa and good deformability, a surface finish which, when a simple production process is used, makes it possible for the flat product produced from this steel to be formed into a complexly formed component, such as a part of a car bodywork, in an uncoated state or in a state provided with an anti-corrosion coating. The steel according to the invention comprises 20-70% martensite, up to 8% retained austenite and the remainder ferrite and/or bainite and comprises (in % by weight): C: 0.10-0.20%, Si: 0.10-0.60%, Mn: 1.50-2.50%, Cr: 0.20-0.80%, Ti: 0.02-0.08%, B: <0.0020%, Mo: <0.25%, Al: <0.10%, P: ≦0.2%, S: ≦0.01%, N: ≦0.012%, the remainder iron and unavoidable impurities. | 10-28-2010 |
20100259073 | Roof construction of a vehicle body - A body of a motor vehicle includes a lateral roof region that has an outer skin, an outer roof frame, and an inner roof frame, wherein the outer roof frame is arranged under the outer skin and the inner roof frame is arranged under the outer roof frame, and the outer skin, the outer roof frame, and the inner roof frame have a common welded flange, by means of which the outer skin and the outer and inner roof frames are connected to one another, and which is configured to receive an adhesive layer for a roof module having a roof module frame. An aspect of the invention is to provide an accident-optimized vehicle body at little expense that prevents a tearing off of the roof module, and is achieved in that the outer roof frame of the body is configured as a locking element for the roof module frame. | 10-14-2010 |
20100251795 | Device for Manufacturing Profiles - A device for manufacturing profiles from a sheet includes at least one work station with a base plate and two die halves, wherein the die halves and the base plate extend in the longitudinal direction of the profile to be manufactured, and the die halves are arranged on the base plate movable relative to one another perpendicular to the longitudinal direction of the profile. A generic device and method for manufacturing profiles with which even heavily structured profiles can be economically produced with high flexibility, is provided by a punch for forming the sheet. The punch is movable perpendicular to the relative movement of the die halves and perpendicular to the longitudinal extension of the profile to be manufactured. The base plate has a die adapted to the punch, in which the sheet is formed, and the die of the base plate and the punch pertaining to it are exchangeable. | 10-07-2010 |
20100242565 | Method and device for producing closed profiles - A device for producing at least partly closed profiles from a blank includes at least one first die and at least one second die which can be positioned opposite the first die. The first die has a cavity and two side walls, wherein the side walls and the cavity of the first die can be raised and lowered relative to one another. A U-punch is provided to produce a U-shaped cross-sectional shape of the blank with the first die. The second die of the device has a cavity for producing an at least partly closed cross-sectional shape from a U-shaped blank. The device also has at least one supporting core. The cavity of the second die has elongated side walls in the direction of the first die, with which, the side walls of the first die can be lowered relative to the cavity of the first die. | 09-30-2010 |
20100236316 | Sheet Metal Blank Having a Homogeneous Thickness Transition - A method for manufacturing a sheet metal blank, in particular a tailored blank, in which at least two metal sheets are connected to one another at their respective connecting edges, the two metal sheets displaying differing thickness is provided herein and allows in a simple manner an application-specific configuration of the region of transition from one metal sheet thickness to another metal sheet thickness. The method includes a step in which, prior to the connecting of the two metal sheets, at least the region of the connecting edge of the thicker of the two metal sheets is pressed to a predefinable thickness in a forming tool in such a way that the connecting edges of the metal sheets display substantially the same thickness. | 09-23-2010 |
20100233505 | Method for Production of Thin Sheet Metal - A composite component comprising at least one first and one second sheet metal plate with at least one layer of a polymer arranged between the first and the second sheet metal plates provides for a component optimized with respect to the weight thereof, and which is at the same time simple to manufacture. The polymer layer of the composite component according to the invention comprises at least one foamed polymer layer of a thermoplastic polymer, wherein the foamed polymer layer comprises gas bubbles with a volume percentage of 1% to 80%, in particular 5% to 70%. | 09-16-2010 |
20100196736 | Vibration-damping composite component - A composite component comprising at least one base plate and at least one sandwich component which is arranged on the base plate provides the composite component with very satisfactory vibration-damping properties which can additionally be produced in a simple way and at the same time is suitable for lightweight design concepts. The vibration damping properties of the composite component are achieved by the fact that the sandwich component has at least two outer plates and at least one plastic layer which is arranged between the two outer plates. | 08-05-2010 |
20100178579 | Bipolar Plate for a Fuel Cell and Fuel Cell Stack - A bipolar plate which can be produced particularly economically for a fuel cell, with which a high degree of efficiency is guaranteed over a long service life. The bipolar plate has a core layer consisting of a steel material, the surfaces of said core layer, which are associated with the respective electrolyte carriers of the fuel cell, having a corrosion protection layer, protecting the core layer against corrosion. The corrosion protection layers consist of a metal material and extend on both sides over the whole surface of the core layer. At the same time the corrosion protection layers are in turn coated over the whole surface with an electrically conductive functional coating, which is essentially entirely impermeable for the metal ions emerging from the core layer and/or the corrosion protection layers. The invention likewise relates to at least one fuel cell comprising a bipolar plate according to the invention. | 07-15-2010 |
20100133724 | Method and device for producing highly dimensionally accurate flanged half shells - A method for producing highly dimensionally accurate, deep-drawn half shells with a base region, a body region and a flange region, includes firstly forming a pre-formed half shell from a blank and then shaping the pre-formed half shell into a finally formed half shell, wherein the pre-formed half shell has excess blank material due to its geometric shape and wherein, owing to the excess material during the shaping of the pre-formed half shell into its final shape the half shell is compressed into the finally formed half shell by at least one further pressing process. The method requires that the pre-formed half shell has excess blank material in a transition region between the body region and flange region. | 06-03-2010 |