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WO2018150020A1 - Procédé de fabrication d'un composant - Google Patents

Procédé de fabrication d'un composant Download PDF

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Publication number
WO2018150020A1
WO2018150020A1 PCT/EP2018/054011 EP2018054011W WO2018150020A1 WO 2018150020 A1 WO2018150020 A1 WO 2018150020A1 EP 2018054011 W EP2018054011 W EP 2018054011W WO 2018150020 A1 WO2018150020 A1 WO 2018150020A1
Authority
WO
WIPO (PCT)
Prior art keywords
band
manufacturing process
cutting
winding tool
time
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.)
Ceased
Application number
PCT/EP2018/054011
Other languages
German (de)
English (en)
Inventor
Dávid MACZKO
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.)
Audi Hungaria Kft
Original Assignee
Audi Hungaria Kft
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 Audi Hungaria Kft filed Critical Audi Hungaria Kft
Publication of WO2018150020A1 publication Critical patent/WO2018150020A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H02K15/021—Magnetic cores
    • H02K15/026—Wound cores

Definitions

  • the invention relates to a method for producing an axisymmetric component for an electrical machine and to a system for producing an axisymmetric component for an electrical machine.
  • An electric machine includes as components a rotor and a stator which rotate relative to each other during operation of the electric machine.
  • the electric machine is to operate either as a motor or as a generator.
  • the electromagnets comprise teeth made of metal around which the wire, for example of copper, is wound.
  • a method for producing a wall of a tank and thus a container for a liquid is known from the document US 7 866 196 B2.
  • an elongated piece of metal is wound in a cylindrical shape, wherein the wall is provided.
  • the inventive method is for producing a
  • the at least one band along its longitudinal axis in several juxtaposed
  • Each band section is through two
  • the at least one strip is repeatedly stacked on a cylindrical outer wall of a winding tool usually radially wound and radially stratified, each one
  • Band section is bent. From a respective band section of the at least one band is when dividing a
  • Tooth elements are connected to each other via at least one edge strip or are. In this case, for each band section from or to or at a first time at least one of the two
  • the axisymmetric component is made when both manufacturing processes are completed for each band section.
  • the respective band section at the first time only one of the two manufacturing processes begins.
  • the other of the two manufacturing processes begins at a later time when the previously started manufacturing process is already completed or is still being carried out.
  • both manufacturing methods start at the same time at the first time.
  • both manufacturing processes are completed. It is possible that both manufacturing processes are terminated at the same time at the same time. It is also possible that one of the two manufacturing processes is completed before the second time and the other of the two manufacturing processes at the second time.
  • the two manufacturing processes to be carried out for each band section can be carried out successively and / or at least partially overlapping one another in a respectively definable sequence. In the presented method, the two production methods for each band section are combined, linked and / or connected.
  • Manufacturing processes are carried out simultaneously and / or temporally overlapping.
  • a sequence or order according to which the two production methods are carried out or are to be carried out for each band section is freely selectable.
  • a plurality of tooth elements formed and / or formed by cutting are stacked on each other by bending or punching and bending a plurality of band portions, wherein a tooth or a tooth package is formed from a plurality of toothed elements or tooth packages of a plurality of tooth elements stacked one above the other .
  • the at least one band is divided along its longitudinal axis into a cutting section and at least one marginal ridge portion, wherein along the longitudinal axis of the cutting portion of the band a plurality of juxtaposed band sections are defined and / or provided.
  • each band section is wound onto the winding tool and then cut or punched.
  • the toothed elements are formed from wound and / or bent band sections after cutting, which are, for example, radially stacked and / or wound, with a plurality of superimposed, radially stacked toothed elements forming a tooth or tooth package, respectively which is provided as a metallic core for an electromagnet of the component. If the dividing and then the shaping manufacturing process is carried out first, the hole is cut from each band section, wherein a plurality of
  • Winding tool wound wherein a tooth is formed from a plurality of wound and / or bent and, for example, radially superimposed band sections or tooth elements.
  • the hole in the respective band section it is possible for the hole in the respective band section to be cut, for example, by milling or broaching.
  • Band section first a hole to be drilled or milled. From this, the hole in the band section can be cleared.
  • the component produced in the process comprises several teeth.
  • a shape and / or a structural structure of a tooth is to be influenced independently or possibly in detail by an order of the two manufacturing processes that are carried out for each band section.
  • the same component is to be manufactured independently of the sequence of manufacturing processes. It is thus possible to adapt a shape of the cutting punch and / or its penetration depth into the strip section during cutting as a function of the sequence of the production methods. So it is possible, for example, for the shape of the hole and its edge after completion of both
  • a plurality of band sections or at least the toothed elements formed from the band sections for example. Radially superimposed, these toothed elements form a tooth packet of the component to which further wire can be wound, wherein an electromagnet is formed, whose core consists of the tooth.
  • the tooth elements are usually on a single sidebar
  • toothed elements are arranged on this one edge strip.
  • the tooth elements are connected to each other via two edge strips or, wherein the tooth elements in this case between two parallel
  • Edge strips are arranged, wherein the tooth elements, the two
  • a width of the band portions and / or the holes and thus the tooth elements is varied, wherein a width of the band portions and / or holes with increasing distance of the band portion to be bent and / or the edge strip to be bent with increasing distance from the outer wall or a rotation axis of the winding tool is increased.
  • the variation of the width can be adjusted by selecting the cutting punch and / or its penetration depth.
  • the axisymmetric component is produced from only one band, wherein the teeth are formed from tooth elements stacked on one another and cut from the band portions of the one band.
  • the axisymmetric component is made of a plurality of bands, wherein the bands in carrying out the
  • the at least one band is processed twice and thereby each changed in shape. If at first the tape on the
  • Winding tool is wound, the holes or openings to be made to be provided from the band sections
  • Toothed elements that are already wound, punched If the tape is first cut or punched, wherein the tooth elements are formed by cutting the holes, the tooth elements, which are connected to each other via the at least one edge strip, wound with the edge strip on the winding tool, wherein a plurality of tooth elements are stacked one above the other, in turn, a tooth is formed from these superposed toothed elements.
  • the system according to the invention is designed for producing an axisymmetric component for an electrical machine from at least one metallic band and comprises a winding tool and at least one cutting punch or punch.
  • the at least one band is arranged along its longitudinal axis in a plurality of juxtaposed
  • each band section is to be processed by two manufacturing processes.
  • the at least one strip is, for example, to be wound and stacked several times one above the other onto a cylindrical outer wall of the winding tool, wherein the winding tool is designed to bend each band section.
  • Cutting punch is adapted to each of a band portion of the at least one band when performing a dividing
  • the system is designed to start or start for each band section from a first point in time at least one of the two manufacturing methods and for the respective band section to a second
  • Point in time to complete both manufacturing processes which is to be terminated at exactly the second time at least one of the two manufacturing processes.
  • the axisymmetric component is manufactured with the system if, for each band section, both manufacturing processes are completed by the second time at the latest.
  • the fact that at least one of the two production processes is started for each band section from a first point in time comprises the
  • both manufacturing processes are completed for the respective band section up to a second time, wherein at the second time at least one of the two manufacturing processes is terminated. It is possible that at the second time the shaping manufacturing process is terminated, the dividing
  • Production process is terminated before the second time.
  • the dividing manufacturing process is terminated at the second time, wherein the shaping manufacturing process is terminated before the second time.
  • both manufacturing processes are terminated at the same time at the same time.
  • the system has at least one cutting tool that supports the
  • the at least one band is first to be processed by the cutting tool, wherein the holes cut from the band sections and the interconnected tooth elements are formed.
  • the already processed band sections or tooth elements are then to be wound on the winding tool.
  • a plurality of cutting plates of the at least one cutting tool are integrated, wherein the at least one cutting punch, for example, in the radial direction to a central axis of rotation of the winding tool back and forth. Accordingly, the at least one cutting tool and the winding tool complement each other.
  • the dividing production process should at the earliest be carried out or feasible with the system as soon as the shaping production process has begun.
  • the same component can be produced after completion of both manufacturing processes, the structural form and / or configuration of the temporal sequence and / or coordination of the two Manufacturing process is independent or only slightly influenced.
  • This component comprises several teeth or tooth packages
  • each of these tooth packets of the component is further used as a core for an electromagnet around which further a usually wire-shaped electrical conductor is wound.
  • This component produced in the context of the method is to move during operation of the electric machine relative to a second component, usually to rotate, wherein the second component may comprise a plurality of permanent magnets in a possible embodiment as components. However, it is also possible that the second component has other components. These two components of the electric machine are further arranged coaxially or axially to each other.
  • one of the two components is designed as a stator and / or to designate, whereas the other of the two components is designed and / or designated as a rotor, wherein in the operation of the electric machine, the rotor rotates relative to the stator , With the electrical machine is either electrical energy to mechanical energy or mechanical energy to convert into electrical energy.
  • the electric machine If electrical energy is converted into mechanical energy, the electric machine is operated as a motor. Conversely, if mechanical energy is converted into electrical energy, the electric
  • Machine used as a generator.
  • Figure 1 shows a schematic representation of a first embodiment of the system according to the invention when performing a first
  • Figure 2 shows a schematic representation of a second embodiment of the system according to the invention when performing a second
  • Figure 3 shows a schematic representation of a third embodiment of the system according to the invention when performing a third
  • Figure 4 shows a schematic representation of a fourth embodiment of the system according to the invention when performing a fourth
  • FIG. 5 shows, in a schematic representation, a cutting tool as part of the second embodiment of the system according to the invention from FIG. 2 in a schematic representation.
  • first embodiment of the system 2 according to the invention comprises as
  • Components a winding tool 4 with a cylindrical outer wall, in which a plurality of cutting plates 6 are integrated.
  • the system 2 comprises a cutting punch 8, which, as indicated by a double arrow 10 in Figure 1 a, relative to the cylindrical winding tool 4, for example. Radially back and forth can be moved.
  • the winding tool 4 is also, as indicated by a curved arrow 1 1, to rotate in the illustration of Figure 1 in the counterclockwise direction.
  • the cutting punch 8 and the at least one cutting plate 6 in this case form a cutting tool of the system 2, wherein the cutting plates 6 are formed depending on the definition here both as components of the winding tool 4 and as components of the cutting tool.
  • a component for an electrical machine is to be produced from at least one metallic strip 12.
  • two production processes namely a shaping and a dividing production process, are carried out at a first time, wherein in the embodiment presented here the dividing production process is carried out at the earliest when the shaping manufacturing process has begun at a first point in time.
  • both manufacturing processes can be performed at least partially overlapping, possibly simultaneously. It is also possible that the dividing manufacturing process only after the beginning of the shaping manufacturing process at the first time, but during the shaping manufacturing process, d. H. even before this
  • the dividing manufacturing process is performed only after completion of the shaping manufacturing process.
  • the tape 12 is wound on the cylindrical outer wall of the winding tool 4, wherein it is provided here that the winding tool 4 rotates about its axis of rotation. As soon as a band section of the band 12 is wound on the winding tool 4 from the first time, it becomes a hole 14
  • toothed element 16 is formed between two such holes 14. It is provided that a plurality of tooth elements 16 are connected to each other via a skirt.
  • a number of holes can be individually set or selected depending on the requirement. In the presented embodiment is, for example.
  • the tape 12 is alternately rotated 360n, and then punched, punching four holes 14 per one complete revolution of the winding tool.
  • the component to be manufactured which can be designed and / or designated as a laminated core, is 30 mm high and the band 12 has a thickness of 0.2 mm, 150 revolutions and 1800 become
  • the two manufacturing processes are repeated several times
  • Manufacturing process is done once completely. After several times Winding and punching of the band 12, a plurality of layers of tooth elements are formed radially superposed layers. In this case, a plurality of tooth elements stacked one above the other form a tooth 18 or
  • a plurality of teeth 18 of the laminated core of the component to be manufactured which is or are still provided as a core for an electromagnet or are.
  • a groove is formed between two adjacent teeth 18 of holes, which are cut between the tooth elements.
  • a groove is formed between two adjacent teeth 18 of holes, which are cut between the tooth elements.
  • the component between the teeth straight grooves or oblique or oblique grooves and thus a
  • the tooth elements are stacked one above the other straight.
  • the tooth elements are stacked one above the other layered.
  • second embodiment of the system 20 as components also comprises a winding tool 22 with a cylindrical outer wall closed here and a cutting tool 24, which in turn has a cutting punch 26 and a component
  • Cutting plate 28 has.
  • a second embodiment of the method according to the invention is carried out, in which for each band portion of the belt 12 from a first time first with the cutting tool 24, the dividing manufacturing process and then with the winding tool 22 the
  • a plurality of holes 14 are first cut into the belt 12 with the cutting tool 24 along a longitudinal axis of the belt 12.
  • a toothed element 16 is formed between each two immediately adjacent holes 14.
  • the band 12 becomes a dividing manufacturing process provided modified band 12, which here comprises a skirt, on which a plurality of tooth elements 16 are arranged.
  • Winding tool 22 wound Also in this case will be several
  • the illustrated in Figure 3 third embodiment of the system 3 according to the invention comprises as components a winding tool 4 with a cylindrical outer wall, in which a plurality of cutting plates 6 are integrated.
  • the system 3 comprises a plurality of, here for example four cutting punches 8a, 8b, 8c, 8d, which can be moved radially relative to the cylindrical winding tool 4 back and forth.
  • the cutting punches 8a, 8b, 8c, 8d and the cutting plates 6 in this case form cutting tools of the system 3, the cutting plates 6 here both as components of the
  • Cutting tool are formed. All cutting punches 8a, 8b, 8c, 8d point here to the axis of rotation of the winding tool 4 and are arranged on a common circle. Between two directly adjacent cutting punches 8a, 8b, 8c, 8d extends in each case an arc which covers here, for example, 90 ° of the circle. A number of cutting dies 8a, 8b, 8c, 8d depend on the number of ribbons 12a, 12b, 12c, 12d.
  • Band section the dividing manufacturing process only after the beginning of the shaping manufacturing process, but during the forming manufacturing process, d. H. before this is completed, is performed. However, it is also possible that the dividing manufacturing process is performed only after completion of the shaping manufacturing process.
  • the bands 12a, 12b, 12c, 12d are wound synchronously on the cylindrical outer wall of the winding tool 4, wherein it is provided here that the winding tool 4 rotates about its axis of rotation.
  • a hole 14 is punched out of this.
  • a toothed element 16 is formed between two such holes 14. It is provided that a plurality of tooth elements 16 are connected to each other via a skirt. The two manufacturing processes are repeated several times
  • each manufacturing process is performed once completely. After several rewinding and punching of each tape 12a, 12b, 12c, 12d, a plurality of layers stacked radially one above the other are formed
  • Tooth elements formed are formed from different bands 12a, 12b, 12c, 12d, a laminated core and / or a plurality of teeth 18 of the component to be produced.
  • the presented with reference to Figure 4 fourth embodiment of the system 21 comprises as components a winding tool 22 with a here
  • Embodiment are in the respective band 12e, 12f, 12g, 12h first with the cutting tool 24a, 24b, 24c, 24d along a longitudinal axis of the belt 12e, 12f, 12g, 12h a plurality of holes 14 cut. In this case, between each two immediately adjacent holes 14 a
  • Tooth element 16 formed from each band 12e, 12f, 12g, 12h, a band 12e, 12f, 12g, 12h modified by the dividing manufacturing method is provided, which here comprises a skirt, at which several
  • Tooth elements 16 are originally arranged a plurality of, here, for example, four bands 12e, 12f, 12g, 12h. This überabeiteten tapes 12e, 12f, 12g, 12h, ie the respective band portion and the tooth elements 16, is or are subsequently wound on the cylindrical outer wall of the winding tool 22.
  • a plurality of toothed elements 16 are stacked on top of one another in the radial direction, wherein in each case a plurality of toothed elements 16 a tooth 18 for a component of an electrical machine is produced.
  • To this tooth 18 can continue a metal, For example, aluminum or copper, cast and / or wire wound, wherein an electromagnet is formed, whose metallic core consists of the tooth 18.
  • a cutting tool 24, 24a, 24b, 24c, 24d from FIG. 2 or 4 is shown schematically in detail in FIG.
  • This cutting tool 24 comprises as components the cutting punch 26 and the cutting plate 28, which are to be moved relative to each other, wherein from a band 12 here several juxtaposed holes to cut and thus to be punched.
  • the cutting tool 24 comprises a
  • Stamp holder plate 36 which are all connected to the cutting punch 26.
  • the cutting tool 24 includes a guide plate 38, a guide rail 40, a suspension rod 42, a base plate 44 and a support plate 48, which are all connected to the cutting plate 28 here.

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

Abstract

L'invention concerne un procédé pour la fabrication d'un composant axisymétrique pour une machine électrique à partir d'au moins une bande métallique (12), l'au moins une bande métallique (12) étant divisée le long de son axe longitudinal en plusieurs sections de bande disposées les unes à côté des autres, chaque section de bande devant être traitée par deux procédés de fabrication, l'au moins une bande (12) étant enroulée autour d'une paroi extérieure cylindrique d'un outil de bobinage (4) et stratifiée lors de l'exécution d'un procédé de fabrication de façonnage, chaque section de bande étant courbée, un trou (14) étant découpé au moyen d'un poinçon (8) dans chaque section de bande respective de l'au moins une bande (12) lors de l'exécution d'un procédé de fabrication de division, un élément denté (6) étant formé entre deux trous (14) de deux sections de bande immédiatement adjacentes, tous les éléments dentés (16) étant connectés entre eux par au moins un rebord, au moins un des deux procédés de fabrication étant commencé à partir d'un premier moment pour une section de bande respective, les deux procédés de fabrication étant terminés avant un second moment pour la section de bande respective, au moins un des deux procédés de fabrication étant complété au second moment.
PCT/EP2018/054011 2017-02-20 2018-02-19 Procédé de fabrication d'un composant Ceased WO2018150020A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017202655.3 2017-02-20
DE102017202655.3A DE102017202655B4 (de) 2017-02-20 2017-02-20 Verfahren zum Herstellen eines Bauteils

Publications (1)

Publication Number Publication Date
WO2018150020A1 true WO2018150020A1 (fr) 2018-08-23

Family

ID=61274239

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/054011 Ceased WO2018150020A1 (fr) 2017-02-20 2018-02-19 Procédé de fabrication d'un composant

Country Status (2)

Country Link
DE (1) DE102017202655B4 (fr)
WO (1) WO2018150020A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5749350A (en) * 1980-09-08 1982-03-23 Toshiba Corp Manufacture of core for rotary electric machine
EP0194402A2 (fr) * 1985-03-11 1986-09-17 Louis Stanley Machine électrique avec un noyau comportant des enroulements ainsi que des dispositifs pour la fabrication de tels noyaux
US7866196B2 (en) 2004-04-12 2011-01-11 Cobra Tanks, Inc. Tank wall and method and system for making
CN105490400A (zh) * 2015-12-21 2016-04-13 安泰科技股份有限公司 轴向磁场非晶、纳米晶电机定子铁芯及其制造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2356972A (en) 1941-03-14 1944-08-29 Ford Motor Co Electrical apparatus
AT192494B (de) 1955-05-27 1957-10-25 Otto Welter Verfahren zur Herstellung eines ringförmigen und mit Nuten versehenen Körpers aus Bandmaterial
EP2787610B1 (fr) 2013-04-05 2015-07-22 F. Boccadoro SA Procédé et dispositif de fabrication de stators et de rotors pour des moteurs axiaux

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5749350A (en) * 1980-09-08 1982-03-23 Toshiba Corp Manufacture of core for rotary electric machine
EP0194402A2 (fr) * 1985-03-11 1986-09-17 Louis Stanley Machine électrique avec un noyau comportant des enroulements ainsi que des dispositifs pour la fabrication de tels noyaux
US7866196B2 (en) 2004-04-12 2011-01-11 Cobra Tanks, Inc. Tank wall and method and system for making
CN105490400A (zh) * 2015-12-21 2016-04-13 安泰科技股份有限公司 轴向磁场非晶、纳米晶电机定子铁芯及其制造方法

Also Published As

Publication number Publication date
DE102017202655B4 (de) 2019-07-25
DE102017202655A1 (de) 2018-08-23

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