Abstract: A method for producing an electromagnetic component for an electric machine is provided. The method includes providing a metal sheet as a starting material; punching out a number of lamellae from the metal sheet; heat-treating the lamellae; and joining the heat-treated lamellae to form the component or a portion of the component. The electromagnetic component to be produced can be a laminated core, for example a stator core or a rotor core, and can be provided for use with the electric machine such as an electric motor.

Abstract: A method for producing an electromagnetic component for an electric machine is provided. The method includes providing a metal sheet as a starting material; punching out a number of lamellae from the metal sheet; heat-treating the lamellae; and joining the heat-treated lamellae to form the component or a portion of the component. The electromagnetic component to be produced can be a laminated core, for example a stator core or a rotor core, and can be provided for use with the electric machine such as an electric motor.

Abstract: An electric motor with a beveled stator and/or rotor has at least one layer of a composite material. The composite material has at least one electrical steel strip layer as carrier and at least one polymer layer. The composite material can be used for reducing acoustic emission in beveled electric motors. A method of reducing acoustic emission in these electric motors is based on the use of the composite material.

Abstract: The invention relates to a method for producing a lamination stack, e.g. a stator package or a rotor package. The method comprises the following steps: A) providing a metal sheet (1) with an adhesive coating; B) transporting the metal sheet in an in-line system comprising a cutting means (4), a separating means (6) and an activation means (5, 5a 5b); C) cutting a molded part (2) with the cutting means (4); D) activating the adhesive coating; E) separating the molded part (2); F) placing the molded part (2); G) repeating steps C) to F), wherein the adhesive coating of some molded parts (8) is provided with a treatment fluid by means of a treatment device (9) in order to allow for target breaking points for separating a molded part stack (3, 3?). In some cases a subsequent compaction can be carried out by a compaction station (7). The invention also relates to a lamination stack and an electric machine.

Abstract: A composite material, especially for use in a stator stack and/or rotor stack is disclosed. The composite material includes a first and a second electrical steel strip layer and a polymeric layer arranged in between, wherein the polymeric layer consists of a crosslinked acrylate-based copolymer of high molecular weight and has a layer thickness in the range from 3 to 20 ?m.

Abstract: The invention relates to a sheet metal having a deterministic surface structure, the surface structure being impressed into the sheet metal, the surface structure having at least one peak region and at least one valley region, the peak region and the valley region being joined by a flank region. The invention further relates to a method for producing a formed and coated sheet-metal component.

Abstract: The invention relates to a method for producing an electromagnetic component. In particular, the electromagnetic component to be produced can be a laminated core, for example a stator core or a rotor core, and can be provided for use with an electric machine such as an electric motor. The method has the following steps: A) providing a metal sheet as a starting material; B) punching out a number of lamellae from the metal sheet; C) heat-treating the lamellae; D) joining the heat-treated lamellae to form the component or a portion of the component. The invention also relates to an electric machine.

Abstract: The invention relates to a sheet metal for producing an electromagnetic component, in particular a stator core or a rotor core, wherein the sheet metal is coated with an adhesive covering of a thermally activated adhesive. Said adhesive contains: 60 wt. parts of an epoxy resin in solid resin from, 0.5-15 wt. parts of a latent curing agent, 1-15 weight parts of a latent accelerator. The invention further relates to a method for producing an electromagnetic component.

Abstract: A composite material, in particular for use in a transformer comprising a first and a second grain-oriented electric strip layer and a polymeric layer arranged therebetween is disclosed. The polymeric layer includes a crosslinked acrylate-based copolymer of high molecular weight and has a layer thickness in the range from 3 to 10 ?m.

Abstract: An electric motor with a beveled stator and/or rotor has at least one layer of a composite material. The composite material has at least one electrical steel strip layer as carrier and at least one polymer layer. The composite material can be used for reducing acoustic emission in beveled electric motors. A method of reducing acoustic emission in these electric motors is based on the use of the composite material.

Abstract: A composite material, especially for use in a stator stack and/or rotor stack is disclosed. The composite material includes a first and a second electrical steel strip layer and a polymeric layer arranged in between, wherein the polymeric layer consists of a crosslinked acrylate-based copolymer of high molecular weight and has a layer thickness in the range from 3 to 20 ?m.

Abstract: A semifinished product is disclosed and includes a high-quality, weather-resistant coating. Also disclosed is a method for manufacturing the semifinished product and the use thereof.

Abstract: A chassis component may include at least one first component part made from a structure-borne soundproofing composite material with a first metal layer, at least one second metal layer, and at least one damping layer. The damping layer may be positioned partly or entirely across a surface between the metal layers. In some cases, the first metal layer and the second metal layer may be thermally joined together in at least one place. In addition, a material thickness of the first metal layer is at least 0.2 mm. Moreover, the present disclosure relates to corresponding methods for producing such chassis components.

Abstract: The disclosure relates to a preimpregnated fibrous composite material comprising, at least, one or more plies of sheetlike textile structures in the form of wovens, meshed fabrics, knitted fabrics, braided fabrics, stitch-bonded fabrics, nonwovens or felts of organic and inorganic fibers in a polymeric matrix. A method of manufacturing a fibrous composite component part and use thereof.

Abstract: The invention relates to a flat steel product, which is intended to be formed into a component by hot press forming and has a base made of steel, onto which a metal anti-corrosion coating is applied, which is formed by Zn or a Zn alloy. This is achieved as per the invention in that a separate finishing coat is applied to at least one of the free surfaces of the flat steel product which contains at least one base metal compound (oxide, nitride, sulphide, sulphate, carbide, carbonate, fluoride, hydrate, hydroxide, or phosphate). Furthermore the invention relates to a method enabling the production of a flat steel product of this kind.

Abstract: A construction element may include two metallic covering layers and a non-metallic core layer arranged between the two metallic covering layers. The non-metallic core layer between the two metallic covering layers may be formed from a silicone-containing material that includes deoxidative elements and/or deoxidative alloys that are dispersed in an amount of between 0.1 and not more than 5% by weight based on the non-metallic core layer. Some example deoxidative elements include Ca, Mg, Al, Ti, Si, Mn, Cr, Ce, La, Nb, Ta, V, and Zn. Some example deoxidative alloys include ferrosilicon, ferrocalcium silicon, or ferromanganese. The construction element is suitable for, amongst other things, fusion welding and/or hot-soldering.

Abstract: The invention relates to a wall element, in particular for the cladding of building facades, composed of a sandwich-like material composite which is constructed from metallic skin sheets and from at least one core layer arranged between the skin sheets. So that such a wall element is harmless to health, relatively light-weight and stable and has a long useful life and can be produced relatively cost-effectively, according to the invention the core layer is formed from a fibre-containing sealing material resistant to temperatures of up to at least 600° C., the thickness of the core layer amounts to up to 2.0 mm.

Abstract: The invention relates to a roofing element (1), consisting of a sandwich-structure material composite, which is made up of metallic outer sheets and at least one core layer arranged between the outer sheets. In order that such a roofing element has a sufficiently high temperature resistance, is relatively lightweight, stable and durable and can be produced at relatively low cost, according to the invention the core layer is formed from a fibre-containing insulating material that is temperature-resistant up to at least 600° C., the thickness of the core layer being up to 2.0 mm.

Abstract: 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.

Abstract: 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.