EP4244953A1 - Procédé de création d'une pile de feuilles magnétiques pour un rotor et/ou un stator d'une machine électrique, procédé de fabrication d'une machine électrique, procédé de fabrication d'une installation et véhicule - Google Patents

Procédé de création d'une pile de feuilles magnétiques pour un rotor et/ou un stator d'une machine électrique, procédé de fabrication d'une machine électrique, procédé de fabrication d'une installation et véhicule

Info

Publication number
EP4244953A1
EP4244953A1 EP21843943.8A EP21843943A EP4244953A1 EP 4244953 A1 EP4244953 A1 EP 4244953A1 EP 21843943 A EP21843943 A EP 21843943A EP 4244953 A1 EP4244953 A1 EP 4244953A1
Authority
EP
European Patent Office
Prior art keywords
stack
magnetic sheets
magnetic
stacking
determined
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
Application number
EP21843943.8A
Other languages
German (de)
English (en)
Inventor
Carsten Schuh
Thomas Soller
Rolf Vollmer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP4244953A1 publication Critical patent/EP4244953A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2215/00—Specific aspects not provided for in other groups of this subclass relating to methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines

Definitions

  • the invention relates to a method for manufacturing a stack of magnetic laminations for a rotor and/or a stator of an electrical machine and a method for manufacturing an electrical machine and a method for manufacturing a system and for manufacturing a vehicle.
  • Screen and/or stencil printing is a new method for producing magnetic sheets for electrical machines.
  • a printing paste is first produced, which is then printed by means of screen and/or stencil printing to form a green body, d. H . a thick film .
  • the green body is then thermally treated, i. H . debinded and sintered , and thus converted into a metallic , structured magnetic sheet .
  • the object of the invention is therefore to specify an improved method for manufacturing a stack of magnetic laminations for a rotor and/or a stator of an electrical machine.
  • the method is a production of an electrical machine with improved properties than in the Prior art known allow.
  • This object of the invention is achieved with a method for manufacturing a stack of magnetic laminations for a rotor and/or a stator of an electrical machine having the features specified in claim 1 and with a method for manufacturing an electrical machine having the features specified in claim 14 and with solved a method for manufacturing a system and / or a vehicle with the features specified in claim 15.
  • Preferred developments of the invention are specified in the associated dependent claims, the following description and the drawing.
  • a plurality of magnetic sheets is used and at least one physical property of each magnetic sheet of the plurality is recorded.
  • a target value for a physical variable of the stack of magnetic sheets is determined and such a stacking sequence of magnetic sheets of the plurality is determined which shows a deviation of an actual value of the physical variable of the stack with the determined stacking sequence from at least one target value Stacking with other stacking sequences of magnetic sheets of the majority is reduced and the stack is stacked with the determined stacking sequence.
  • such a sequence of magnetic sheets can advantageously be determined which enables a stack with an actual value of the physical variable which comes particularly close to a target value for the physical variable of the stack.
  • operationally critical sizes of the stack and thus also of an electrical machine, in which such a stack as a station gate and / or rotor is installed can be achieved, although the individual magnetic sheets are subject to a manufacturing tolerance.
  • manufacturing processes for magnetic sheets are usable, which in itself, d. H . in known manufacturing processes, due to their manufacturing tolerances, could not be used in the manufacture of magnetic sheets for electrical machines.
  • the occurrence of rejects can be significantly reduced by means of the method according to the invention, since magnetic sheets subject to tolerances can be used, which would have been considered rejects in known methods.
  • the method according to the invention can be used with reduced failure costs and an increased probability of achieving a required specification compared to the prior art.
  • the term “magnetic sheet” within the meaning of the present invention also or in particular means pressure and/or sintered parts.
  • the term “magnetic sheet” could also be Replace phrase “material layer formed with magnetic material” or “material layer structure formed with magnetic material”, wherein the material layer or the material layer structure is preferably a flat part.
  • the term “magnetic sheet” in the present case does not imply a necessary manufacturing step using rolling.
  • “magnetic sheets” within the meaning of the present invention can alternatively be manufactured or have been manufactured using other manufacturing processes.
  • the plurality of magnetic sheets are expediently initially produced by means of screen and/or stencil printing. Especially in the screen and/or stencil printing of magnetic sheets for stators and/or rotors for electrical machines, production tolerances regularly occur, so that the method according to the invention can be used simply and reliably in this development.
  • the at least one physical property of a magnetic sheet preferably includes one or more geometric dimensions of the magnetic sheet, in particular an outer and/or inner diameter of the magnetic sheet, and/or one or more of the following physical properties: a density of the magnetic sheet and/or a microstructure and /or a chemical composition and/or a topography and/or a thermal conductivity and/or one or more internal mechanical stresses of the magnetic sheet and/or one or more magnetic properties of the magnetic sheet, in particular a saturation field strength and/or a coercive field strength and/or a Remanence and/or a hysteresis, preferably a course of a hysteresis curve of the magnetic sheet.
  • the target value for the physical variable preferably includes one or more geometric dimensions of the stack of magnetic sheets and/or one or more of the following physical variables: an overall density of the stack and/or a variance in geometric dimensions of the stack, preferably transverse to the Stack direction and/or one or more magnetic properties of the stack, in particular a magnetic saturation field strength and/or parameters of a hysteresis curve, preferably a coercive field strength and/or a remanence of the stack.
  • the stacking sequence is carried out for a genuine subset of the plurality of magnetic sheets. averages .
  • magnetic sheets which are generally, i. H . not only at a certain point in the candidate sequence, are not suitable for building the stack, are excluded from the production of the stack.
  • suitable magnetic sheets for example from earlier production batches, can also be used.
  • the candidate sequence can advantageously be determined in sections and the stack can be assembled in sections by stacking the sections on top of one another.
  • the stack sequence is expediently determined by first determining at least two or more candidate stack sequences for a stack sequence and comparing actual values of the candidate stack sequences with the target value and determining that candidate stack sequence as the stack sequence whose actual value deviates the least from the target value.
  • a large number of algorithms can be used here. For example, initially magnetic sheets of a candidate stack can be provided closer to one another, the more similar their physical properties are.
  • a candidate sequence can first be optimized in isolation with regard to a single physical property. Subsequently, the candidate stack can then be increasingly varied until the actual value of the physical quantity of the stack increasingly approaches the target value of the physical quantity.
  • the stack sequence is particularly preferably determined by means of artificial intelligence.
  • a neural network is preferably used for this purpose, which uses the measured, i. H . recorded, physical properties of the magnetic sheets as input data and contains the deviation of the actual value from the target value as an optimization criterion.
  • the neural network is previously simulated using a variety of physical properties of magnetic sheets or based on a variety of physical properties of actual magnetic sheets.
  • a geometric shape of the stack is preferably detected and a geometric shape of a stacking aid is determined, by means of which the magnetic sheets can be stacked in the stack sequence determined.
  • the stacking aid expediently has a shape that corresponds to the shape of the magnetic sheets.
  • the stacking aid is preferably used for stacking magnetic sheets for a stator, the magnetic sheets for the stator having a central passage into which teeth of the magnetic sheets protrude radially into the passage.
  • the stacking aid expediently has a central cylindrical base body, from which spokes extend radially, which correspond to the spaces between the teeth of the magnetic sheets. In this way, magnetic sheets can be pushed onto the stacking aid, so that the magnetic sheets can be arranged in the orientation and positioning intended to form the stator.
  • adaptation and/or exchange elements are preferably provided for adapting the actual value to the setpoint and the stacking sequence is determined taking into account the adaptation and/or exchange elements in such a way that initially a deviation of an actual value of the physical size of the stack with the determined stack is reduced sequence with the adjustment and / or replacement elements of the at least one setpoint.
  • an initial stacking sequence is expediently determined first and then the adaptation and/or replacement elements are provided.
  • a final stacking sequence for production is then subsequently determined.
  • the adaptation and/or replacement elements are preferably manufactured using additive manufacturing methods.
  • Additive manufacturing expediently includes selective laser melting and/or laser metal deposition position and/or wire arc additive manufacturing and/or fused deposition modeling and/or stereolithography and/or screen and/or stencil printing and/or spray and/or slip casting processes and/or foil drawing.
  • the matching and/or replacement elements are made with, ideally from, metal and/or materials of the magnetic sheets.
  • the stacking aid is preferably manufactured by means of additive manufacturing and the stack is stacked using the stacking aid.
  • Additive manufacturing expediently includes selective laser melting and/or laser metal deposition and/or wire arc additive manufacturing and/or fused deposition modeling and/or stereolithography and/or screen and/or stencil printing and/or spray and/or slip casting processes and/or film drawing.
  • the magnetic sheets are preferably stacked and pressed together, d. H .
  • the magnetic sheets are first all stacked or a subset of the magnetic sheets, which comprises three or more magnetic sheets, is all stacked and then pressed together with one another in the composite.
  • the magnetic sheets can be stacked alternately and pressed together, d. H . one sheet magnet at a time is added to the stack and pressed with the rest of the stack.
  • a rotor and/or a stator is or are formed with a stack of magnetic laminations, the stack of magnetic laminations being formed using a method according to the invention for manufacturing a stack of magnetic laminations for a rotor and/or stator of an electrical Machine is manufactured as previously described.
  • an electrical machine with a given speci fication by means new production techniques such as in particular screen and/or stencil printing.
  • an electrical machine is first manufactured using a method for manufacturing an electrical machine according to the preceding claim, and then the system or the vehicle is provided with the electrical machine.
  • the electric machine is expediently provided in a drive unit of the system and/or the vehicle, d. H . arranged .
  • a system and/or a vehicle can advantageously also be realized with motors manufactured using new production techniques such as, in particular, screen and/or stencil printing.
  • Fig. 1 shows a schematic cross section of a stack of magnetic laminations in an embodiment of a method according to the invention for manufacturing a stack of magnetic laminations for a rotor and/or stator of an electrical machine
  • Fig. 2 shows a schematic flow chart of the method according to the invention for manufacturing the stack of magnetic sheets according to FIG. Fig. 1 in a principle sketch
  • Fig. 3 the stack of magnetic sheets acc. Fig. 1 schematically in a top view as well
  • Fig. 4 a system manufactured according to the invention with an electrical machine using a method according to the invention.
  • Fig. 2 manufactured rotor and like with the method according to the invention.
  • Fig. 2 manufactured stator with the stack of magnetic sheets chen gem .
  • Fig. 1 schematically in a principle sketch.
  • Fig. 1 illustrated stack 10 of magnetic sheets 20 forms a stator of an electrical machine.
  • the statements in this description relating to the stator also apply in a corresponding manner to a rotor of the electrical machine.
  • the magnetic sheets 20 of the stack 10 are screen-printed parts produced using screen and/or stencil printing technology.
  • the magnetic sheets 20 of the stack 10 are produced by means of printing a metal paste and subsequent sintering.
  • the magnetic sheets 20 of the stack 10 have a significant variance in their physical properties.
  • the geometric dimensions of the magnetic sheets 20 vary as a result of sintering shrinkage that cannot be fully controlled.
  • the outer diameter of the magnetic sheets 20 varies, as shown in FIG. 1 is shown heavily exaggerated.
  • Other physical properties of the magnetic sheets 20 which vary from one manufactured magnetic sheet 20 to the next manufactured magnetic sheet 20 , are the density of the magnetic sheets 20 , a microstructure and a chemical composition and a topography and a thermal conductivity and internal mechanical stresses of the magnetic sheets 20 .
  • the magnetic properties of the magnetic sheets 20 vary from magnetic sheet 20 to magnetic sheet 20 .
  • a saturation field strength and a coercive field strength and a hysteresis for example a course of a hysteresis curve, of the magnetic sheets 20 vary.
  • the magnetic sheets 20 are stacked in a stacking direction 30 to form the stack 10 .
  • the degree of freedom for constructing the stack 10 results on the one hand in a sequence of the magnetic sheets 20 one on top of the other along the stacking direction 30 .
  • the number of magnetic sheets 20 available for stacking to form the stack 10 is a greater number of magnetic sheets 20 than the number of magnetic sheets 20 required for the construction of the stator. Magnetic sheets 20 can thus be selected from the available quantity of magnetic sheets 20 for constructing the stack 10 .
  • Fig. 2 details the method according to the invention for manufacturing the stack 10:
  • a model of a stack of ideal, i. H . simulated or modeled magnetic sheets generates 3DMOD, which forms a target structure of the stack to form the stator.
  • a physical variable of the stack is determined as the desired value from the desired structure of the stack.
  • the physical size of the stack includes an overall density of the stack 10 and a variance in geometric dimensions of the stack 10 transverse to the stacking direction 30 and magnetic properties of the stack 10, here a magnetic saturation field strength and parameters of a hysteresis curve, namely a coercive field strength and a remanence .
  • the physical quantity is therefore in the form of a vector, i . H .
  • the target quantity is a vector of several physical quantities and the target value is a vector quantity.
  • all of the magnetic sheets 20 that are available for constructing the stack 10 are measured 3DMEA.
  • the density of the individual magnetic sheets 20 is measured by the individual magnetic sheets 20 are weighed and the volume of Magnetic sheets is determined based on the geometric dimensions. Alternatively, the volume of the magnetic sheets can also be determined individually based on a liquid displacement.
  • each individual magnetic sheet 20 is measured with regard to its magnetic properties, here the magnetic saturation field strength and a coercive field strength, of the magnetic sheets 20 by exposing the magnetic sheets 20 to a magnetic field and in each case subjecting the course of a hysteresis curve of the magnetic sheet 20 to a measurement.
  • the topography of the magnetic sheets 20 and the chemical composition and the microstructure of the magnetic sheets 20 are measured using light and/or electron-optical scanning and scattering measurements.
  • the chemical composition and the microstructure of the magnetic sheets 20 can be determined and the microstructure of the magnetic sheets 20 can be determined by means of artificial intelligence by using a neural network that is trained using image data from magnetic sheets whose chemical composition and microstructure are known.
  • internal mechanical stresses of the magnetic sheets 20 are determined by means of digital image correlation, with other known methods for determining internal stresses also being able to be used alternatively or additionally.
  • Candidate stacks with a plurality of sequences of the plurality of magnetic sheets 20 actually present are now predetermined as candidate sequences.
  • the resulting physical variables of the candidate stacks are simulated as actual values using the modeling software on the basis of the measured physical properties. That candidate stack ORDET is selected whose physical variable deviates as little as possible from the target value of the target structure of the stack 10 . Since the physical variable is a vector variable, a deviation from one another is determined using a suitable distance measure of the vector variables, i.e. the target value and the actual value, approximately a square sum of the Differences of the individual values of the vector quantities or an absolute sum of the differences of the individual values of the vector quantities. After the candidate stack with the smallest deviation of the actual value from the target value ORDET is selected, the candidate stack sequence is determined as the stack sequence of the stack 10 DESTA.
  • the stacking sequence is determined for a genuine subset of the plurality of magnetic sheets.
  • the candidate sequences are determined using artificial intelligence.
  • a neural network (not shown in the drawing) is used for this purpose, which receives the measured physical properties of the magnetic sheets 20 as input data and implements the deviation of the actual value from the desired value as an optimization criterion.
  • the neural network is previously trained using a large number of simulated physical properties of magnetic sheets 20 .
  • a PROSTA stacking aid 50 is produced, by means of which the magnetic sheets 20 can be stacked to form the selected candidate stack.
  • the shape of the stacking aid 50 is adapted to the shape of the magnetic sheets 20 .
  • Stacking aids and magnetic sheets 20 are shown in FIG. 3 in more detail:
  • the magnetic sheets 20 In the plane transverse to the stacking direction 30 , the magnetic sheets 20 have the shape of a circular ring, from which teeth 60 extend radially inwards in the direction of a center point of the circular ring.
  • the teeth 60 end in the radial direction inwards on an imaginary circle which concentrically surrounds the center point of the annulus.
  • the teeth 60 thus end at a central bushing 70 in which a rotor of the electrical machine can be arranged.
  • the stacking aid 50 has a shape corresponding thereto, so that the stacking aid 50 can be passed through the passage 70 of the magnetic sheets 20 .
  • the stacking aid 50 has a cylindrical base body 80 from which spokes 90 extend radially outwards and perpendicularly to a longitudinal central axis which forms the axis of symmetry of the cylindrical base body.
  • the spokes 90 correspond to the spaces between the teeth 60 of the magnetic sheets 20 , so that the spokes 90 can be arranged between the teeth 60 .
  • the spokes 90 have such small circumferential dimensions that the spokes 90 can be arranged between the teeth 60 of each magnetic sheet despite individual deviations due to manufacturing tolerances.
  • the selected candidate stack does not include idealized magnetic sheets, but actually measured magnetic sheets 20 , the magnetic sheets 20 have geometric deviations from one another caused by manufacturing tolerances.
  • the magnetic sheets 20 provided in the candidate sequence of the selected candidate stack can now be fixed in position and alignment in the candidate stack in such a way that the stacking aid 50 is adapted to the individual shape of the magnetic sheet 20 at that section on which the magnetic sheet 20 is provided is .
  • Such formations 100 on the spokes 90 or on the cylindrical outer surface can be applied to a stacking aid by means of additive manufacturing processes. Consequently, the stacking aid 50 is tailored to the selected candidate sequence as a result of the projections 100 .
  • the projections 100 of the stacking aid 50 can be manufactured using additive manufacturing, such as selective laser melting and/or laser metal deposition and/or wire arc additive manufacturing and/or fused deposition modeling and/or stereolithography and/or screen and/or Stencil printing and/or spray and/or slip casting processes and/or foil drawing.
  • additive manufacturing such as selective laser melting and/or laser metal deposition and/or wire arc additive manufacturing and/or fused deposition modeling and/or stereolithography and/or screen and/or Stencil printing and/or spray and/or slip casting processes and/or foil drawing.
  • the projections 100 are made with, ideally from, metal and/or materials of the magnetic sheets 20 .
  • the stacking aid 50 is not newly manufactured for this purpose, but a stacking aid 50 that is already provided with moldings 100 is used, which has already been used in earlier versions of the method according to the invention has been used.
  • the adaptation is carried out in such a way that the projections 100 , insofar as they are dispensable for the current candidate sequence, are subtractively removed or reduced in their dimensions and if new projections 100 are required, these are arranged additively on the stacking aid 50 .
  • the stack 10 is now stacked with magnetic sheets 20 PROCK and then the magnetic sheets 20 of the stack 10 are pressed together by means of pressure stamps , which exert pressure on the stack 10 parallel to the stacking direction 30 and towards the stack 10, and then pressed together shed .
  • the stack 10 of magnetic sheets 20 is not easily detachably connected to form a composite of magnetic sheets 20 .
  • the stack 10 of magnetic sheets is built up without a stacking aid 50 by in each case placing a magnetic sheet 20 on the previously completed stack 10 in the stacking direction 30 and j each is pressed with the rest of the stack 10. This is how all of the magnetic sheets 20 of the stack 10 are processed until the stack 10 is completed. The stack 10 is then cast.
  • the stack 10 with magnetic sheets 20 is subjected to an INSP inspection.
  • the target size i. H . the vector of the multiple physical quantities of the assembled stack 10 measured, d. H . the overall density of the stack 10 and the variance of geometric dimensions of the stack 10 perpendicular to the stacking direction 30 and magnetic properties of the stack 10, here the magnetic saturation field strength and parameters of a hysteresis curve, namely the coercive field strength and the remanence, are measured.
  • the stack 10 is considered suitable for the assembly of a stator 510 .
  • a digital simulation is used to try out whether subsequent production of individual or fewer, e.g at most 5 percent, of the magnetic laminations 20 and the replacement of the corresponding magnetic laminations 20 of the stack 10 could lead to a smaller deviation of the stack 10. If this is the case, the magnetic sheets 20 are exchanged accordingly before they are pressed and cast and the stack 10 is stacked with the exchanged magnetic sheets 20 . Basically can the candidate stack determined in this way for the stack 10 can also be further optimized before the stack 10 is finally stacked.
  • the replaced magnetic sheets can be manufactured using additive manufacturing, for example using additive manufacturing such as in particular selective laser melting and/or laser metal deposition and/or wire arc additive manufacturing and/or screen and/or stencil printing and/or spray and/or slip casting processes and/or film drawing.
  • additive manufacturing such as in particular selective laser melting and/or laser metal deposition and/or wire arc additive manufacturing and/or screen and/or stencil printing and/or spray and/or slip casting processes and/or film drawing.
  • the exchanged magnetic sheets are manufactured with, ideally made of, metal and/or materials of the remaining magnetic sheets 20 .
  • a digital simulation is used to try out whether additive formations on individual magnetic sheets 20 lead to an improvement in the stack 10 .
  • a digital simulation is used to check whether additive formations on individual, approximately 5 percent at most, the magnetic sheets 20 lead to an approximation of the actual value of the digital simulation of the stack 10 to the target value would lead . If such an approximation is determined, then the magnetic sheets 20 are each provided with such projections by means of additive manufacturing, for example by means of laser build-up welding, and the stack 10 is then stacked.
  • the candidate sequence of the magnetic sheets 20 can be further optimized with the projections provided, so that an even better candidate sequence can be found.
  • the formations of the magnetic sheets 20 can be manufactured using additive manufacturing, such as selective laser melting and/or laser metal deposition and/or wire arc additive manufacturing and/or screen and/or stencil printing and/or spray and/or slip casting processes and/or foil drawing .
  • additive manufacturing such as selective laser melting and/or laser metal deposition and/or wire arc additive manufacturing and/or screen and/or stencil printing and/or spray and/or slip casting processes and/or foil drawing .
  • the projections are made with , ideally wise made of metal and/or materials of the magnetic sheets 20 .
  • the stack 10 is provided in a manner known per se with electrical coils (not shown explicitly in the drawing) for building up a magnetic stator field by winding these coils around the teeth 60 of the magnetic sheets 20 of the stack 10 to be wound .
  • a rotor 500 manufactured using the method according to the invention for manufacturing a stack of magnetic laminations is introduced into the stator 510 constructed in this way in a manner known per se, so that the stator 510 and rotor 500 together form an electric motor 520 .
  • the motor 520 is built into a drive device 530 of a system 540 or an electric vehicle in a manner known per se.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

Le procédé de création d'une pile de feuilles magnétiques pour un rotor et/ou un stator d'une machine électrique utilise une pluralité de feuilles magnétiques, détecte dans chaque cas au moins une propriété physique de chaque feuille magnétique parmi la pluralité de feuilles magnétiques, détermine une valeur de consigne pour une grandeur physique de la pile de feuilles magnétiques et détermine une telle séquence d'empilement des feuilles magnétiques de la pluralité de feuilles magnétiques qui réduit un écart d'une valeur réelle de la grandeur physique de la pile avec la séquence d'empilement déterminée à partir de la ou des valeurs de consigne par comparaison avec des piles ayant d'autres séquences d'empilement de feuilles magnétiques parmi la pluralité de feuilles magnétiques et empile la pile avec la séquence d'empilement déterminée. Le procédé de fabrication d'une machine électrique permet de former un rotor et/ou un stator avec une pile de feuilles magnétiques, la pile de feuilles magnétiques étant créée par un tel procédé de création d'une pile de feuilles magnétiques. Le procédé de fabrication d'une installation et/ou d'un véhicule produit d'abord une machine électrique au moyen d'un procédé de fabrication d'une machine électrique telle que décrite ci-dessus et équipe ensuite l'installation ou le véhicule de la machine électrique.
EP21843943.8A 2020-12-30 2021-12-21 Procédé de création d'une pile de feuilles magnétiques pour un rotor et/ou un stator d'une machine électrique, procédé de fabrication d'une machine électrique, procédé de fabrication d'une installation et véhicule Pending EP4244953A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20217889.3A EP4024681A1 (fr) 2020-12-30 2020-12-30 Procédé de production d'un empilement de tôles magnétiques pour un rotor et/ou un stator d'une machine électrique ainsi que procédé de production d'une machine électrique et procédé de production d'une installation et d'un véhicule
PCT/EP2021/086962 WO2022144227A1 (fr) 2020-12-30 2021-12-21 Procédé de création d'une pile de feuilles magnétiques pour un rotor et/ou un stator d'une machine électrique, procédé de fabrication d'une machine électrique, procédé de fabrication d'une installation et véhicule

Publications (1)

Publication Number Publication Date
EP4244953A1 true EP4244953A1 (fr) 2023-09-20

Family

ID=74004079

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20217889.3A Withdrawn EP4024681A1 (fr) 2020-12-30 2020-12-30 Procédé de production d'un empilement de tôles magnétiques pour un rotor et/ou un stator d'une machine électrique ainsi que procédé de production d'une machine électrique et procédé de production d'une installation et d'un véhicule
EP21843943.8A Pending EP4244953A1 (fr) 2020-12-30 2021-12-21 Procédé de création d'une pile de feuilles magnétiques pour un rotor et/ou un stator d'une machine électrique, procédé de fabrication d'une machine électrique, procédé de fabrication d'une installation et véhicule

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20217889.3A Withdrawn EP4024681A1 (fr) 2020-12-30 2020-12-30 Procédé de production d'un empilement de tôles magnétiques pour un rotor et/ou un stator d'une machine électrique ainsi que procédé de production d'une machine électrique et procédé de production d'une installation et d'un véhicule

Country Status (4)

Country Link
US (1) US20240063696A1 (fr)
EP (2) EP4024681A1 (fr)
CN (1) CN116686196A (fr)
WO (1) WO2022144227A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619028A (en) * 1983-03-25 1986-10-28 L H Carbide Corporation Apparatus for manufacture of laminated parts
US4854034A (en) * 1988-05-27 1989-08-08 General Electric Company Method for producing a stack of laminations with skewed conductor slots
GB2550593A (en) * 2016-05-24 2017-11-29 Vacuumschmelze Gmbh & Co Kg Soft magnetic laminated core, method of producing a laminated core for a stator and/or rotor of an electric machine
EP3723249A1 (fr) * 2019-04-09 2020-10-14 Siemens Aktiengesellschaft Procédé de fabrication d'une tôle magnétique et d'un empilement de tôles magnétiques ainsi que machine électrique et véhicule électrique

Also Published As

Publication number Publication date
CN116686196A (zh) 2023-09-01
EP4024681A1 (fr) 2022-07-06
US20240063696A1 (en) 2024-02-22
WO2022144227A1 (fr) 2022-07-07

Similar Documents

Publication Publication Date Title
DE112009005388B4 (de) Verfahren zum Herstellen eines geformten Stators einer rotationselektrischen Maschine
DE112007001512B4 (de) Verfahren zum Herstellen einer Brennstoffzellen-Elektrolytmembran und Verfahren zum Herstellen einer Membran-Elektroden-Einheit
EP2946462B1 (fr) Bobine et/ou enroulement electrotechnique, procede de fabrication associe et appareil electrique
WO2005069029A1 (fr) Systeme de bobines a gradients et son procede de production
EP2357704A1 (fr) Procédé de fabrication d'une cellule de combustible SOFC
DE102009056647A1 (de) Stator für einen Elektromotor sowie Verfahren zu dessen Herstellung
WO2020212140A1 (fr) Fabrication d'un objet métallique
DE112017002458T5 (de) Verfahren zum herstellen eines läufers, verfahren zum herstellen einer dynamo-elektrischen maschine, läufer, dynamo-elektrische maschine und vorrichtung zum herstellen eines läufers
DE102019123744A1 (de) Elektrische maschine mit lokal abgestimmten eigenschaften
DE102005017517B4 (de) Statoranordnung für eine elektrische Maschine und Verfahren zum Herstellen einer Statoranordnung
DE102019119745A1 (de) Verfahren zur Herstellung einer Basiswicklungsbaugruppe und eines Stators für eine elektrische Maschine
WO2017194274A1 (fr) Dispositif présentant une trémie pour la fabrication additive
EP3602584B1 (fr) Bobine électrotechnique, procédé pour la fabrication de celle-ci ainsi qu'électroaimant ou machine électrique comprenant au moins une telle bobine
WO2022144227A1 (fr) Procédé de création d'une pile de feuilles magnétiques pour un rotor et/ou un stator d'une machine électrique, procédé de fabrication d'une machine électrique, procédé de fabrication d'une installation et véhicule
EP2626988B1 (fr) Procédé de fabrication d'un rotor et rotor
DE102010005295A1 (de) Verfahren zum Herstellen von Komponentenformen mit nicht runden äusseren Formen
DE102017102629A1 (de) Stator für einen Linearschrittmotor und Verfahren zu seiner Herstellung
EP3469196B1 (fr) Procédé de production d'une structure en nid d'abeille
DE102018205774A1 (de) Stator für eine elektrische Maschine mit Polschuhen aus Kompositwerkstoff sowie Herstellungsverfahren
DE102020130987A1 (de) Verfahren zur Herstellung eines Bauteils eines Elektromotors, Elektromotorbauteil und Elektromotor
WO2023134808A1 (fr) Dispositif d'alignement des segments d'un anneau de stator, procédé d'alignement des segments d'un anneau de stator et procédé d'installation d'un anneau de stator
DE102020113047A1 (de) Elektromotorbauteil und Verfahren zur Herstellung eines Elektromotorbauteils eines Axialflussmotors
EP4183027A1 (fr) Machine électrique et installation
DE102015201960A1 (de) Stator für eine elektrische Maschine und Verfahren für dessen Herstellung
DE102022206113A1 (de) Verfahren zum Bestimmen eines Bauteilverzugs sowie zum Verbessern einer Maßgenauigkeit eines additiv hergestellten Bauteils

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230615

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)