Abstract: 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.

Abstract: The problem of achieving great collar lengths with good quality and even when using high-strength metals, in particular high-strength steels, in a simple manner is solved by the disclosed methods and devices. One such method for producing a collar on a workpiece may involve preforming a region of the workpiece to form a material reserve for a collar drawing operation and drawing the workpiece to form a collar such that the drawn workpiece comprises a flange region and a drawn region adjoining the flange region, with the drawn region including a wall region and an adjoining drawn base. At least some material from a region of the material reserve may be used to form the wall region. The method may further involve punching the drawn base such that an opening is made in the drawn base and the wall region is adjoined by a drawn base sub-region, as well as widening the drawn base sub-region.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A hardening tool is disclosed for producing hardened profiled shaped articles from a sheet steel material, which hardening tool has at least two tool parts which are movable relative to one another and between which a heated sheet steel material which has been preformed into a profiled shaped article and is optionally finally formed and is cooled in a hardening process, wherein the hardening tool has a mold core which, during the hardening process, is arranged in a recess of the profiled shaped article, and wherein the mold core has at least one outlet opening for the pressurization of cooling medium from a cooling medium duct on the profiled shaped article.

Abstract: Disclosed herein is a method and tool for hardening a hollow profile of a steel workpiece having an interior space. The method includes the steps of providing a workpiece having a hollow profile, heating the hollow profile, placing the hollow profile of the steel workpiece in a hardening tool, and cooling the hollow profile from the inside by way of a cooling core having an exterior shape that is complimentary to that of the structural shape of the interior space of the hollow profile.

Abstract: The invention relates to a device for forming an at least in part closed hollow profile from a board a with a tool comprising a first half having an at least a U-stamp and at least an upper cavity and a second half having two identical at least in part U-shaped die cavities. 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.

Abstract: 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.

Abstract: The present disclosure proposes a tool for shear cutting, wherein the tool has a lower blade, a hold-down device and an upper blade, wherein the lower blade has a pressure-loaded surface and a cutting surface, wherein it is possible for a workpiece to be arranged between the hold-down device and the contact surface, wherein the upper blade is movable in relation to the lower blade along a cutting direction predetermined by the cutting surface, wherein a contour profile of the lower blade has a jagged elevation at the transition from the cutting surface to the pressure-loaded surface.

Abstract: 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.

Abstract: The problem of achieving great collar lengths with good quality and even when using high-strength metals, in particular high-strength steels, in a simple manner is solved by the disclosed methods and devices. One such method for producing a collar on a workpiece may involve preforming a region of the workpiece to form a material reserve for a collar drawing operation and drawing the workpiece to form a collar such that the drawn workpiece comprises a flange region and a drawn region adjoining the flange region, with the drawn region including a wall region and an adjoining drawn base. At least some material from a region of the material reserve may be used to form the wall region. The method may further involve punching the drawn base such that an opening is made in the drawn base and the wall region is adjoined by a drawn base sub-region, as well as widening the drawn base sub-region.

Abstract: 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.

Abstract: 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.

Abstract: The invention relates to a device for drawing components from a blank (1) made of metal using a drawing punch (2) and a die (3), the drawing punch (2) having a cutting edge (4) for trimming the blank (1) during the drawing procedure and a run-in contour (5) being provided in the die (3). The invention also relates to a method for drawing a blank using the device according to the invention and to a use according to the invention of the method. The run-in contour (5) of the die (3) is configured such that the cutting edge (4) and the run-in contour (5) are only in cutting engagement in certain regions in the drawing punch position at the start of the cutting procedure along the cutting line (7).

Abstract: 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 p

Abstract: 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.

Abstract: A method for the production of a closed hollow profile for a vehicle axle including the following steps: a) provision of a board made out of a sheet of metal, wherein the board has at least a length in a longitudinal direction and at least a width in a transverse direction, b) forming of the board, creating an open profile with a channel running in a longitudinal direction of the board, c) forming the lateral surfaces of the board, creating a hollow profile with a circumference and a longitudinal gap and d) joining together the longitudinal gap.

Abstract: 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 having 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.

Abstract: Quality collars with long collar lengths, homogeneous wall thickness distributions, and high loadability even in high-strength materials such as steel can be achieved on workpieces according to the disclosed methods and devices. One example method involves drawing the workpiece such that the drawn workpiece has a flange region and a drawn region adjoining the flange region, wherein the drawn region has a wall region and a drawn base adjoining the wall region, with the wall region forming a part of the collar; punching the drawn base located in the drawn region of the workpiece such that a drawn-base subregion adjoins the wall region; expanding the drawn-base subregion such that the expanded drawn-base subregion forms a part of the collar; and at least partially ironing and/or expanding the collar.