EP3895292A1 - Verfahren zum herstellen einer elektromagnetischen komponente, insbesondere eines blechpakets, beispielsweise eines statorpakets oder eines rotorpakets, für eine elektrische maschine - Google Patents
Verfahren zum herstellen einer elektromagnetischen komponente, insbesondere eines blechpakets, beispielsweise eines statorpakets oder eines rotorpakets, für eine elektrische maschineInfo
- Publication number
- EP3895292A1 EP3895292A1 EP20701306.1A EP20701306A EP3895292A1 EP 3895292 A1 EP3895292 A1 EP 3895292A1 EP 20701306 A EP20701306 A EP 20701306A EP 3895292 A1 EP3895292 A1 EP 3895292A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamellae
- adhesive
- adhesive coating
- component
- lamella
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
Definitions
- the present invention relates to a method for producing an electromagnetic component, in particular one
- Laminated core for example as a stator or as
- Rotor package is designed for an electrical machine such as an electric motor or a generator.
- stator Components of every electric motor are a stator and a rotor, the term stator denoting a fixed part of the motor and the term rotor referring to one another
- a challenge when providing electric motors is to increase the efficiency of the electric motor, for example the provided power per volume and / or the efficiency, within the scope of an economically sensible effort.
- Electric motors are the manufacture of stators and / or rotors or parts of the stators and / or rotors as a so-called stator package or rotor package.
- the named components are composed of individual so-called lamellae as sheet metal stacks, also known as lamellar stacks.
- lamella refers to a molded part that has been removed from electrical sheet metal or electrical steel. A common method for this is punching out the lamella. The plate packs are then made from a large number of thin
- the production of such a component always includes the steps of producing lamellae and connecting the lamellae to one another.
- the connection is preferably made in such a way that the slats after the connection
- Lamellae do not have a galvanic connection to each other.
- connection of the stamped lamellas to form a laminated core can be done by a variety of known methods, for example by screwing, by applying clips, by welding or by
- baking varnishes A procedure for this known to the person skilled in the art is the use of so-called baking varnishes.
- the use of baking varnishes for bonding punched electrical sheets is described, for example, in DE 38 29 068 CI.
- One way of using baking varnish is to coat a sheet metal, in particular a sheet metal strip, and then punch out individual pieces
- the lamellae are pressed against one another during the heat treatment, for example by applying a force on the end face, preferably with a uniform surface force, in an axial direction of the laminated core that points into the interior of the laminated core.
- Typical reaction temperatures are 150 degrees Celsius to 250 degrees Celsius, a typical one
- the time required for the baking varnish to react is 30 to 150
- Gluing device depends. With this procedure, excellent electromagnetic properties of stator packs and / or rotor packs can generally be achieved.
- the object is achieved with a method with the
- sheet metal generally refers to a
- Rolled mill product made of a metallic material and, in addition to a thin sheet or a heavy plate, can in particular also denote a metal strip, for example made of a soft magnetic material, a steel strip or an electrical strip.
- Lamellae are punched out of the sheet metal.
- the punching out of step B) is preferably performed with a punching tool.
- a punching tool is a tool with which one, preferably also more than one, such as four, lamellae are punched out of the sheet metal.
- the lamellas are preferably punched with the punching tool in such a way that a number of connecting webs, for example three
- the lamellae are immediately separated from the sheet metal with the punching.
- the main inventive idea is that after the lamellae are punched out and before the lamellae are joined, the lamellae are subjected to a heat treatment.
- Heat treatment means, in particular, heating a lamella to a predetermined temperature or in a predetermined temperature corridor, maintaining this temperature for a predetermined period of time and preferably slowly cooling the lamella in an oven.
- the heat treatment can be carried out in a furnace
- Intermediate step can be carried out, which takes place in a closed oven.
- Laminated core produced according to the invention were used, during their production that is, after the punching of the lamellae and before the lamellae are joined, a heat treatment of the lamellae
- joining the lamellae for each of the lamellae of the number of lamellae sequentially comprises the steps: Dl) applying a thermally activated adhesive to a surface of the lamella to form a
- the starting material for joining the lamella is thus the already heat-treated lamella.
- the application of the adhesive can in particular as
- At least one side of the lamella is covered with adhesive.
- Formed drying section of an inline system is thermally treated to dry the adhesive.
- This variant of the method is preferably carried out in a so-called inline process in an inline system. But sequential variants are also possible, as long as the essential aspect is taken into account that the joining is carried out after the heat treatment.
- inline system refers to the fact that a number of processing stations, namely at least those mentioned above, are arranged in a predetermined order, and sheet metal, for example electrical steel, fed into the inline system is automated at the specified stations
- the activation is preferably brought about by means of
- Illuminating the adhesive coating with infrared radiation by means of a means for emitting infrared radiation.
- the means for outputting infrared radiation can be any convenient means for outputting infrared radiation.
- Illuminants designed to output electromagnetic radiation in the NIR wavelength spectrum, i.e. with wavelengths between 780 nm and 3 pm.
- the molded parts are illuminated in an NIR wavelength range, a wavelength between 0.8 micrometers and 1.2 micrometers preferably being used, and particularly preferably a maximum of the luminous power in NIR radiation with a wavelength between 0.85 micrometers and 0.9 micrometers is achieved.
- the inline system preferably has an extrusion die.
- This Auspressstempel is a stamp, which through to
- Sheet metal surface perpendicular force effect the lamellae still connected to the sheet metal, in particular sheet metal strip, with one or more bars after the adhesive has been activated
- the lamellas must be brought together and then the adhesive must be allowed to dry and solidify.
- the sheet has a surface with a short surface
- Activation time of, for example, 0.5 to 1 second and a short curing time of just a few seconds.
- the means for outputting infrared radiation are arranged behind the punching tool, are preferably arranged between the punching tool and an extrusion punch, and have:
- Punching direction is directed to a first lamella surface
- the punching direction is directed to a second lamellar surface present on the other side of the punching tool or
- the alignment of the light source on the lamella surface does not necessarily have to be at right angles, but can also be made at a different angle.
- first and / or the second lamellar surface is illuminated with the illuminant naturally depends on whether lamellae coated on one or both sides are used. In the first case and in the second case you can
- Lamellae with an adhesive coating on one side can be used; in particular in the third case, lamellae with an adhesive coating on both sides can be used with the advantage that lamellae arranged on top of one another adhere very well to one another.
- the slats are joined in a different way, namely for each of the slats of the number of slats sequentially with the following steps: Dl) applying a thermally activated adhesive to a surface of the lamella to form a
- step Dl after step Dl) and before or after
- Step D2) thermal drying of the adhesive coating takes place in a drying station.
- the applied adhesive does not take place by means of thermal activation, for example with infrared radiation, of the individual lamellae before the individual lamellae are brought together, but that instead the thermal activation takes place after the lamellae are brought together, namely by heating in an oven.
- the thermally activatable adhesive is preferably applied in that the adhesive is provided as an aqueous dispersion which is applied to the lamellae.
- the application is preferably carried out by spraying on, but application by means of a roll-to-roll method, in particular with rolls rotating in opposite directions, is also possible.
- the application of the adhesive can in particular be carried out as a complete or essentially complete application of the adhesive to the surface of the lamella.
- At least one side of the lamella is covered with adhesive.
- Formed drying section of an inline system is thermally treated to dry the adhesive.
- the predetermined period of time in step D5 is preferably between 5 minutes and 60 minutes, particularly preferably between 10 and 40 minutes.
- an electrical component, a stator packet or a part of a stator packet is produced by gluing together lamellae which have been subjected to a heat treatment after being punched out and before gluing.
- At least one electromagnetic component according to one of the previous
- the rotor is punch-packaged and therefore has at least the
- the stator on the other hand, is annealed and glued using the method described above and therefore has the lowest relevant losses here.
- an electrical machine comprising a first electromagnetic component manufactured with a
- Baking varnish will be glued without having to after punching and before the joining is a heat treatment of the lamellae analogous to step C of the method according to the invention or one of its
- the first electromagnetic component in step C) has heat-treated lamellae and the second electromagnetic component has lamellae that have not been heat-treated after punching out.
- the first electromagnetic component can be the stator of the electrical machine and the second electromagnetic component can be the rotor of the electrical machine.
- the stator has the excellent electromagnetic properties that can be achieved according to the invention, whereas in the rotor, by dispensing with annealing, a reduction in the mechanical properties, in particular strength, important for the rotor as a rotating component is avoided.
- the inspection of the adhesive coating in step D2 is preferably carried out using an optical inspection method.
- the method can be
- Laminated stacks are guaranteed.
- sample as is to be regarded as being insufficiently coated, is at the discretion of the person skilled in the art entrusted with carrying out the invention and is essential for the principle of functioning of the method described
- the lamellae When the lamellae are positioned one above the other, the lamellae are preferably introduced into a receiving device in which there is a positioning area.
- the positioning area is used for the position-oriented and / or angularly aligned positioning of the lamella introduced into the positioning area in relation to the lamellae already present there, so that
- the positioning area can be, for example, a cylindrical tube, which is designed, for example, as a cylindrical hollow tube with a jacket cross-section that essentially corresponds to the cross-section of the molded parts and with this in
- a pressure ram is provided which exerts an axial force on the end of the stack of lamellas
- the application of a pressure force pointing in the axial direction to the lamellae positioned one above the other denotes the application of a pressure force which is exerted in a direction perpendicular to the lamella surface to compress the individual lamellae against each other on an end face of the package of joined lamellae, preferably with uniform surface pressure.
- the sheet metal is preferably a circuit board made of electrical steel or an electrical steel, the sheet particularly preferably consisting of non-grain-oriented electrical steel.
- Components including unavoidable impurities add up to 100% by weight.
- the material is preferably a non-grain-oriented steel which, in addition to Fe and unavoidable impurities, contains the following elements (all data in% by weight):
- the non-grain-oriented electrical steel or the non-grain-oriented sheet has specific
- the non-grain-oriented electrical steel or the non-grain-oriented sheet has specific core losses at P1.0; 50 Hz in the range from 0.8 to 3.5 W / kg and at PI, 5; 50 Hz in the range from 1.9 to 8.0 W / kg and / or a polarization for J2500 in the range from 1.47 to 1.71 T and for J5000 in the range from 1.58 to 1.80 T, determined based on DIN EN 60404-2 .
- the non-grain-oriented electrical steel or the non-grain-oriented sheet has specific magnetic reversal losses at P1.0; 50 Hz in the range from 1.0 to 1.5 W / kg and at PI, 5; 50 Hz in the range from 2.2 to 3.3 W / kg and / or a polarization for J2500 in the range from 1.47 to 1.57 T and for J5000 in the range from 1.58 to 1.65 T, determined in Based on DIN EN 60404-2.
- the non-grain-oriented electrical steel or the non-grain-oriented sheet has specific
- Range of 1.50 and 1.95 T determined based on DIN EN 60404-2.
- the material has specific core losses at P1.0; 400 Hz in the range of 10 to 25 W / kg; at PI, 5; 400 Hz from 25 to 49 W / kg; and / or a polarization at J2500 in the range from 1.45 T to 1.75 T and at J5000 in the range from 1.45 T to 1.85 T and at J10,000 in the range from 1.50 and 1.95 T determined in
- the non-grain-oriented electrical steel or sheet metal preferably has a yield point
- the material has a yield strength in the longitudinal direction at room temperature of 310 to 600 MPa and a maximum tensile strength of 400 to 640 MPa and an elongation at break A80 of 7 to 32%, measured based on DIN EN ISO 6892-1, and a hardness Hv5 of 130-250.
- the material preferably has an anisotropy at P1.0; 400 Hz in the range from 5 to 17%.
- the starting material can also be a soft magnetic material, in addition to Fe and unavoidable impurities, consisting of (all data in% by weight):
- Metal sheets in particular electrical steel, with a thickness between 0.05 and 2.5 mm are suitable and preferably used, with
- Thicknesses between 0.1 and 1.0 mm are preferred. Depending on the application of the electrical machine, thicknesses between 0.5 and 1.0 mm are particularly preferred. According to one embodiment, heat treatment is as
- Temperature can for example be a temperature between 200 ° C and 650 ° C. The heating takes place slowly, for example with an even heating of less than 10 Kelvin per minute. Thereafter, the temperature is generally held for a longer time, for example at least 30 minutes, preferably at least 1 hour, before slow cooling, for example cooling under a protective gas atmosphere and / or in air, takes place. Stress relief annealing is the most suitable method when the sheet metal used as the starting material already has the desired grain sizes.
- the heat treatment can be as soft annealing
- the heating is slow,
- the temperature is held for a longer time, for example at least 1 minute, preferably between 1 hour and 7 hours and even more preferably between 1.4 hours and 4 hours, before a slow one
- Cooling for example cooling under a protective gas atmosphere and / or in air, takes place.
- the heat treatment can be carried out as recrystallization annealing. The heating takes place slowly, for example with a steady
- the temperature is held for a longer time, for example at least 30 minutes, preferably between 1 hour and 7 hours and even more preferably between 1.5 hours and 4 hours, before slow cooling, for example cooling below
- Temperature are preferably chosen depending on whether grain growth is desired and which target grain size is desired for which starting material (alloy, type, grain size, geometry and the like).
- the temperature and time data defined above for the annealing step relate to a heat treatment that is carried out as a sequential heat treatment step in an annealing furnace
- annealing conditions must of course be adapted, which is easily possible for a person skilled in the art.
- Both surfaces of the lamellae are particularly preferably coated with a thermally activated adhesive, so that the adhesive surface is attached when the lamellae are joined
- Adhesive surface borders one another with the advantage of very good adhesion.
- the adhesive used is preferably an adhesive that contains:
- the adhesive preferably has 1 to 10 parts by weight of the latent hardener, particularly preferably 2 to 5 parts by weight of the latent hardener.
- latent hardener denotes a substance which is used to harden the epoxy resin, but which has to be activated for hardening, in particular by supplying chemical and / or thermal energy.
- the latent hardener is added to the adhesive, for example, as a solid in powder form.
- latent accelerator refers to a substance that accelerates the hardening of the epoxy resin by the latent hardener.
- the latent attribute also refers to the Accelerator has to be activated beforehand by chemical and / or thermal energy in order to fulfill its function.
- the latent accelerator is added to the adhesive, for example, as a solid in powder form.
- composition given above relates to the mixture of the components present as solid bodies in the specified parts by weight to form an adhesive mixture which, in dispersion and / or solution with a suitable liquid, becomes the adhesive which can form an adhesive coating.
- the adhesive with the specified components is preferably present as a dispersion of the above-specified composition in a dispersion medium, in particular as an aqueous dispersion.
- Components in particular stator packs or rotor packs of very high quality, can be produced in a flexible manner. Because the adhesive must first be thermally activated, the adhesive function can be performed at a desired point in time or at a desired time after the lamellae have been removed from the sheet metal and coated with the adhesive, for example by punching
- Adhesive composition each lamella have one
- Epoxy resin comprises one or more epoxy resin components with more than one epoxy group, of which at least one epoxy resin preferably has a softening point greater than 50 ° Celsius.
- the epoxy resins can be, for example
- Aliphatic epoxy resins contain components that have both one aliphatic group and at least two
- the epoxy resin is bisphenol A epoxy resin.
- a substance or a mixture of substances is used as the latent hardener, which is preferably used at temperatures in the
- the hardener can be dicyandiamide, aziridine derivatives,
- Triazine derivatives imidazolines, imidazoles, o-tolyl biguanide, cyclic amidines, organic hexafluoroantimonate or
- Contain hexafluorophosphate compounds or BF3 amine complexes Contain hexafluorophosphate compounds or BF3 amine complexes.
- the compounds can be used individually or in combination.
- the adhesive can be 1 to 10
- Parts by weight of a latent accelerator preferably 1 to 5 parts by weight of a latent accelerator, particularly preferably 2 to 5 parts by weight of a latent accelerator, very particularly preferably 2 to 4 parts by weight of a latent accelerator
- the adhesive furthermore has 0.2 to 8 parts by weight, preferably 0.2 to 4 parts by weight, absorption additives.
- Absorption additives according to this broader idea is selected from the group of flame black and / or from the group of water-soluble dyes.
- absorption additive refers to a substance that absorbs thermal radiation.
- absorbent material is associated in particular with the advantage that the use of a method is made more efficient in which the thermal activation of the adhesive takes place by means of electromagnetic radiation, in particular by means of irradiation with light in the IR wavelength range, preferably in the NIR wavelength range.
- the adhesive preferably contains one or more of the insulation additives known to the person skilled in the art, the term insulation additives referring specifically to increasing the
- the electrical resistance of the adhesive relates to additives provided.
- the insulation additives can be contained in the adhesive in amounts of 1 to 10 parts by weight, preferably 1 to 5 parts by weight.
- the latent accelerator preferably has one
- the urea derivative is particularly preferably an N, N-dimethylurea or an N, N'-dimethylurea or a bifunctional urea derivative, preferably with two
- the latent accelerator contained in the adhesive is preferably at least 50% by weight, more preferably
- the adhesive coating is applied to the lamellae on one side or on both sides. If an adhesive coating is applied on both sides, the The thickness of the coating may be the same, but different thicknesses can also be provided.
- the preferred thickness of the adhesive coating that is, in the case of one-sided adhesive, the thickness of the coating on one side or in the case of two-sided adhesive
- Adhesive coating adding the total thickness of the adhesive coating on both sides, is between 1 micrometer and 20 micrometers, preferably between 2 and 10 micrometers, particularly preferably between 4 micrometers and 8 micrometers.
- All of the named adhesives that can be used advantageously have the advantage, not least, that they can be provided as an aqueous dispersion and are therefore suitable for application to the lamellae, for example by means of spraying.
- step C) carried out according to the invention is and remains decisive, so that largely by optimizing a single step
- Machine design the option of choosing a different sheet metal, greater freedom of construction in the lamellar design and advantages with regard to possible component tolerances and media and / or heat management. Further advantages arise in component and machine production (for example when handling compact and solid components) and mechanical
- Coating station a surface inspection system is arranged, for example a thermal imaging camera, optionally a
- Layer thickness measuring system that monitors the coating process and an additional by-product
- Light source can be integrated into the lamella holder so that the sensor detects holes in the presence of holes and automatically removes the lamella from the process.
- the positioning station can contain measuring coils for checking the electromagnetic properties of the package, in order to record influence and measured variables via sensors and store them in a database, alternatively or additionally to pass them on to another system via an interface. Furthermore, it can be provided, for example, to write an identification number of a lamella or an electrical component into the adhesive coating by means of a laser, for example.
- Eliminate laminated core side The cleaning can be done chemically and / or mechanically.
- Fig.l a schematic representation of a first
- a sheet metal 1 designed as a non-grain-oriented electrical steel strip is used as a
- a number of lamellae 2 are punched out of the sheet metal with a punching tool 4 and are collected in a stack 3 in the embodiment shown.
- the lamellas are heat-treated in an oven 5 after punching.
- the exact method of heat treatment is incumbent on the person skilled in the art and depends in particular on the starting material; in the event that grain growth is no longer desired, the heat treatment can be, in particular, a stress-relieving anneal known to the person skilled in the art, i.e. a slow one
- obtained lamellas can with the joining of the heat-treated lamellas to the laminated core or to a section of the
- Laminated core are started.
- each of the lamellas of the number of lamellas is sequentially conveyed to different processing stations by a conveyor belt.
- a first workstation 6 is by means of a
- Spray device 6 is present as an aqueous dispersion Adhesive applied over the entire surface.
- the lamellae then have a thermally activated adhesive coating.
- a drying station can optionally be provided in order to dry the adhesive coating.
- the lamellas provided are then irradiated at an activation station under an NIR lighting device 8 'with NIR radiation, preferably with an emission power between 5 kW and 20 kW, to activate the adhesive
- the lamellae having the activated adhesive are positioned and / or
- a plunger 9 acts on the end face of the stack 3 'of the lamellae with a pressure force which is directed axially compressing the laminated core.
- FIG. This differs from the embodiment shown in FIG. 1 in that no activation station 8 is provided. Instead, the number of slats coated at station 6 and inspected at station 7 is positioned and / or
- positioned angularly aligned one above the other and the lamellae are heated and held in an oven 9 for a sufficiently long period of time, for example at least 30 minutes, at a temperature between 100 ° C. and 250 ° C.
- Lamellas in the stack 3 instead, but the lamellas remain attached to one or more webs, in particular three webs, on the sheet metal in order to be transported through the process by transporting the sheet metal.
- a continuous oven can be used and after step station 8 (FIG. 1) or after station 7 (FIG. 2) the lamellas can be removed from the sheet metal by separating the webs with a so-called extrusion punch known to those skilled in the art.
- the processes are functionally equivalent as long as the boundary conditions required according to the invention or required for the further developments are implemented by a person skilled in the art.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019113290.8A DE102019113290A1 (de) | 2019-05-20 | 2019-05-20 | Verfahren zum Herstellen einer elektromagnetischen Komponente, insbesondere eines Blechpakets, beispielsweise eines Statorpakets oder eines Rotorpakets, für eine elektrische Maschine |
| PCT/EP2020/051176 WO2020233840A1 (de) | 2019-05-20 | 2020-01-17 | Verfahren zum herstellen einer elektromagnetischen komponente, insbesondere eines blechpakets, beispielsweise eines statorpakets oder eines rotorpakets, für eine elektrische maschine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3895292A1 true EP3895292A1 (de) | 2021-10-20 |
Family
ID=69182519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20701306.1A Pending EP3895292A1 (de) | 2019-05-20 | 2020-01-17 | Verfahren zum herstellen einer elektromagnetischen komponente, insbesondere eines blechpakets, beispielsweise eines statorpakets oder eines rotorpakets, für eine elektrische maschine |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US11811278B2 (de) |
| EP (1) | EP3895292A1 (de) |
| JP (1) | JP7520047B2 (de) |
| CN (2) | CN119298550A (de) |
| DE (1) | DE102019113290A1 (de) |
| WO (1) | WO2020233840A1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019213658A1 (de) * | 2019-09-09 | 2021-03-11 | Elringklinger Ag | Verfahren zur Herstellung eines Blechstapels, Blechstapel, Maschinenbauteil und Elektromotor |
| EP4029895A1 (de) | 2021-01-15 | 2022-07-20 | Rembrandtin Coatings GmbH | Zusammensetzung |
| DE102022116250A1 (de) | 2022-06-29 | 2024-01-04 | Thyssenkrupp Steel Europe Ag | Hocheffiziente Kompressor-Motoren |
| US20250364880A1 (en) * | 2022-08-23 | 2025-11-27 | Nippon Steel Corporation | Manufacturing method of laminated core, manufacturing apparatus of laminated core, laminated core, and rotary electric machine |
| DE102023206353A1 (de) * | 2023-07-05 | 2025-01-09 | Zf Friedrichshafen Ag | Kleben von Lamellenpaketen mit LIFT-Technologie |
| DE102023206351A1 (de) * | 2023-07-05 | 2025-01-23 | Zf Friedrichshafen Ag | Kleben von Lamellenpaketen mit Inkjet-Technologie |
| DE102023207705A1 (de) | 2023-08-10 | 2025-02-13 | Volkswagen Aktiengesellschaft | Blechbearbeitungsvorrichtung mit einer Zuführeinrichtung und ein Verfahren zur Anwendung bei der Blechbearbeitungsvorrichtung |
| DE102024117041A1 (de) | 2024-06-18 | 2025-12-18 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren zur Verbindung eines Mica-Bauteils mit einem weiteren Bauteil, Brandschutzeinrichtung und Elektrofahrzeug |
| DE102024120952A1 (de) * | 2024-07-23 | 2026-01-29 | Elringklinger Ag | Vorrichtung zur Herstellung eines Blechelements und Blechelement |
| KR20260042687A (ko) * | 2024-09-23 | 2026-03-31 | (주)포스코모빌리티솔루션 | 적층코어 제조방법 |
| EP4725697A1 (de) | 2024-10-10 | 2026-04-15 | ThyssenKrupp Steel Europe AG | Kontinuierlicher prozess und vorrichtung zur verklebung von elektroband im stanzprozess |
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| SE512717C2 (sv) * | 1997-10-13 | 2000-05-02 | Abb Ab | Stator för en roterande elektrisk maskin, förfarande vid tillverkning av en stator jämte en roterande elektrisk maskin innefattande en stator |
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| US20060066168A1 (en) * | 2004-09-30 | 2006-03-30 | Shoykhet Boris A | Bonded rotor laminations |
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| EP2450189A1 (de) * | 2010-11-05 | 2012-05-09 | Voestalpine Stahl GmbH | Verfahren zum Verbinden von Blechteilen zu einem Blechpaket |
| EP2612942B1 (de) * | 2012-01-05 | 2014-10-15 | ThyssenKrupp Steel Europe AG | Nicht kornorientiertes Elektroband oder -blech, daraus hergestelltes Bauteil und Verfahren zur Erzeugung eines nicht kornorientierten Elektrobands oder -blechs |
| DE102012001744A1 (de) * | 2012-01-28 | 2013-08-01 | Volkswagen Aktiengesellschaft | Verfahren, Vorrichtung und Klebstoff zur Herstellung eines Blechpakets aus mehreren aufeinander gestapelten Elektroblechen |
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| DE102015208870A1 (de) * | 2015-05-13 | 2016-11-17 | Breuckmann GmbH & Co. KG | Verfahren zur Herstellung eines Blechpakets |
| DE102015012172A1 (de) * | 2015-09-23 | 2017-03-23 | Universität Kassel | Thermisch aktivierbare, schnellhärtende Klebstoffbeschichtung |
| JP6694771B2 (ja) * | 2016-07-01 | 2020-05-20 | 株式会社三井ハイテック | 積層鉄心及びその製造方法 |
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| JP6781643B2 (ja) | 2017-02-27 | 2020-11-04 | 株式会社三井ハイテック | 積層鉄心の製造装置 |
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| DE102019113291A1 (de) * | 2019-05-20 | 2020-11-26 | Thyssenkrupp Steel Europe Ag | Blech für die Herstellung einer elektromagnetischen Komponente, insbesondere eines Statorpakets oder eines Rotorpakets, sowie Verfahren zur Herstellung einer elektromagnetischen Komponente |
-
2019
- 2019-05-20 DE DE102019113290.8A patent/DE102019113290A1/de active Pending
-
2020
- 2020-01-17 JP JP2021566574A patent/JP7520047B2/ja active Active
- 2020-01-17 WO PCT/EP2020/051176 patent/WO2020233840A1/de not_active Ceased
- 2020-01-17 US US17/612,049 patent/US11811278B2/en active Active
- 2020-01-17 CN CN202411340954.7A patent/CN119298550A/zh active Pending
- 2020-01-17 EP EP20701306.1A patent/EP3895292A1/de active Pending
- 2020-01-17 CN CN202080032103.XA patent/CN113748590B/zh active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113748590B (zh) | 2024-10-18 |
| US11811278B2 (en) | 2023-11-07 |
| CN113748590A (zh) | 2021-12-03 |
| DE102019113290A1 (de) | 2020-11-26 |
| CN119298550A (zh) | 2025-01-10 |
| US12418225B2 (en) | 2025-09-16 |
| US20240039377A1 (en) | 2024-02-01 |
| JP2022533046A (ja) | 2022-07-21 |
| JP7520047B2 (ja) | 2024-07-22 |
| WO2020233840A1 (de) | 2020-11-26 |
| US20220239203A1 (en) | 2022-07-28 |
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