EP3782268A1 - Dispositif et procédé d'orientation d'un enroulement en épingle à cheveux - Google Patents

Dispositif et procédé d'orientation d'un enroulement en épingle à cheveux

Info

Publication number
EP3782268A1
EP3782268A1 EP19718121.7A EP19718121A EP3782268A1 EP 3782268 A1 EP3782268 A1 EP 3782268A1 EP 19718121 A EP19718121 A EP 19718121A EP 3782268 A1 EP3782268 A1 EP 3782268A1
Authority
EP
European Patent Office
Prior art keywords
contact ends
contact
wedge
spreader
elements
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
EP19718121.7A
Other languages
German (de)
English (en)
Inventor
Matthias Ebert
Bernhard BYZIO
Erhard WEHNER
Jürgen Tröster
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen 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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP3782268A1 publication Critical patent/EP3782268A1/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
    • H02K15/0056—Manufacturing winding connections
    • H02K15/0068—Connecting winding sections; Forming leads; Connecting leads to terminals
    • H02K15/0081—Connecting winding sections; Forming leads; Connecting leads to terminals for form-wound windings
    • H02K15/0087—Connecting winding sections; Forming leads; Connecting leads to terminals for form-wound windings characterised by the method or apparatus for simultaneously twisting a plurality of hairpins open ends after insertion into the machine
    • 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
    • H02K15/0056—Manufacturing winding connections
    • 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
    • H02K15/0056—Manufacturing winding connections
    • H02K15/0068—Connecting winding sections; Forming leads; Connecting leads to terminals
    • H02K15/0081—Connecting winding sections; Forming leads; Connecting leads to terminals for form-wound windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

Definitions

  • the present invention relates to a device and a method for Ausrich device, in particular the guarantee of a radial distance, the hairpin ends to be joined together in the production of Hairpinwicklept for an electrical cal machine.
  • Object of the present invention is to provide a device which also allows accurate positioning of the contact ends, is easy to put down and provides a high process reliability.
  • a device for aligning the contact ends of Hair pins a Hairpinwicklung wherein the contact ends of Hairpinwicklung in the circumferential direction extending double layers and a number of slots corresponding number radially extending rows are arranged, wherein at least two double layers are IN ANY, and wherein two in a double layer of a Form row adjacent contact ends form a contact pair, characterized in that a spreader is provided, with which at least a portion of the contact ends can be covered, that the Spreader has at least one wedge element which in the tangential direction he stretches that the wedge element at its contact ends facing the axial end having a tip, wherein the tip in the radial direction has a width which is smaller than half the width of a contact end, that the width of the Wedge element in the radial direction increases from the tip, and that the wedge member at least over a length of a non-insulated portion of the Kunststoffendens corresponding length in the axial direction has a width of 3mm to 6mm, and that the spread
  • U-shaped bent conductor elements are used, which are inserted in the slots of a stator or rotor of an electrical machine, that their open ends, which represent the contact ends, arranged at one axial end, and all closed turning portions at the other axial end are.
  • the hairpins are arranged in several layers, wherein the two legs of a U-shaped conductor element are each arranged in different positions.
  • the contact ends are substantially formed per ply in different tangential directions per layer, so-called twisting, to approximate con tact of circumferentially spaced hairpins, thereby enabling electrically conductive bonding and thus formation of a coil of a plurality of hairpins.
  • connection takes place in each case between two adjacent contact ends of different layers, which thus form a contact pair and are combined to form double layers.
  • the double layers are preferably arranged in one of the number of slots corresponding number of radial rows, wherein the number of slots corresponds to the number of slots for receiving the conductor elements in the stator or rotor.
  • the contact ends of a pair of contacts In order to produce a usually made by welding electrically conductive connec tion between contact ends of a double layer or a pair of contacts, the contact ends of a pair of contacts must be aligned with each other. In particular, the pairs of contacts must have a stand from each other to have an insulation against each other and to allow better accessibility for further manufacturing steps, such as welding. A distance in the tangential direction is given by the grooves and the BE BEING through these grooves intervals. In the radial direction, however, in a preferred use of similar hairpins, the contact ends are block-shaped, whereby no sufficient distance is given. For this purpose, the device has a spreader, which is designed to be at least axially movable.
  • the spreader comprises at least one wedge element, which runs in the tangential direction, that is, the wedge element in the tangential direction an extension which can ensure a deformation of the contact ends in the radial direction in contact with contact ends, therefore, the wedge member preferably extends at least over one of the dimension of a contact end in the tangential direction of appropriate length.
  • the wedge element has a tip.
  • the tip is designed with a small extent in the radial direction, which is preferably smaller than half the width of a contact end.
  • the contact ends on at least one side from a bevel on to facilitate insertion of the wedge element and insbesonde re to avoid at very sharp peaks formed damage to the contact ends.
  • At least the radial extension of the wedge element increases starting from the tip in the axial direction, which ends when inserted between contact these are deformed in the radial direction.
  • the magnification is preferably continuously before to achieve a uniform deformation and to avoid kinking due to wedging of the contact ends with steps of a sudden increase. Due to the width of the wedge element in the radial direction and the radial distance of the contact ends, among other things, for the insulation he testifies, which is why the width of the wedge element increases to a width between 3mm to 6mm, which is about a benchmark of the VDE (VDE Association of Electro Technology Electronics Information Technology eV) for an insulating air gap ent speaks.
  • VDE VDE Association of Electro Technology Electronics Information Technology eV
  • the wedge element should therefore have a width in this area at least over a length which corresponds to the length of the non-insulated areas of the contact ends.
  • the spreader is movable at least in the axial direction, whereby an insertion of the wedge element between the contact ends is made possible.
  • Embodiments of a device according to the invention are characterized in that a plurality of wedge elements are arranged in the circumferential direction and / or radial direction, and that the several wedge elements are provided by a base body. are bound.
  • Hairpin windings often has a plurality of double layers, for example, three or four double layers, which is why for preferably a plurality of wedge elements are arranged in radia ler direction to deform all double layers simultaneously with spaced contact ends or contact pairs.
  • the wedge elements may in this case have a same cross section or different cross sections, according to the deformation of the contacts to be reached.
  • a plurality of wedge elements may be adjacent in the tangential direction to simultaneously deform a plurality of rows or a whole double layer, thereby reducing the processing time.
  • the wedge elements are connected to each other via a base body, by which the positioning of the wedge elements is ensured to each other and a common movement of the wedge elements is achieved.
  • Device of preferred embodiments are characterized in that the base body and the wedge elements are made in one or more parts.
  • the wedge elements can be made in one piece with the body, which reduces the number of components and low assembly costs.
  • a one-piece design optionally increases the production cost, which is why this is especially interesting for spreaders, which cover only individual rows or a small part of the circumference or, for example, have only one or two wedge elements in the radial direction.
  • Inventive embodiments of the device are characterized in net that extends the wedge element in the tangential direction over several rows of contact ends. In the tangential direction, a wedge member is preferably carried out over several rows to reduce the time required to process a Hairpinwick development. This can be carried out with a continuous annular or ringseg mentförmiges wedge element with kontantem cross-section or preferably a plurality of tangentially adjacent, preferably integrally formed wedge elements with there intervening interruptions.
  • FIG. 1 For this purpose, at least two radially adjacent wedge elements, for example, a hairpin winding with three double layers, the tips of the wedge elements with an ent speaking distance from each other arranged.
  • the distance is mainly dependent on whether a single contact end or a pair of contacts is taken between the tips when inserting, so theoretically a distance corresponding to the single or double width of a con tact element would be sufficient between the tips.
  • a greater distance of 1, 1 to 2.5 times the width of a contact end is preferred.
  • the wedge elements in the further axial Ver running each other at least a clear width with this distance of 1, 1 times to 2.5 times the width of a contact end. Particularly preferred extends the distance to a range of 1, 5 times to 3 times the width of a Kon clocked to ensure appropriate range of motion.
  • Preferred embodiments of a device according to the invention are characterized in that the wedge elements are arranged symmetrically.
  • the forces occurring in the deformation are distributed more evenly and the maximum order degree of formation, in particular the radially outer contact ends, can reduce the who.
  • the spreader has at least one boundary which extends in axi aler direction parallel to the wedge element, and forms an accommodation space for contact ends with an adjacent wedge element.
  • the generally uninsulated regions of the contact ends are preferably arranged parallel in the axial direction.
  • Limitations may also be provided which are tangential to the wedge elements and, in particular, lie in the radial direction between the wedge elements in order to avoid deformation of the contact ends in the tangential direction.
  • Devices are characterized in that the device comprises a guide element, wel Ches is arranged in the axial direction below the tip of the wedge element, wherein the guide element is disc-shaped and recesses for fürstr. occurs the contact ends, wherein the recesses radial side walls for tangentially guiding the contact ends and at least one tangential end wall, and wherein the length of the recess in the radial direction at least equal to the sum of the extension of the contact ends in the radial direction and the addi th width of the wedge elements ,
  • the guide element can be carried out separately from the spreader and moved independently of this or moved together and possibly also be firmly connected to the spreader.
  • the guide element is arranged below the tip of the wedge element, ie between the spreader and the stator or ro tor, which carries the Flairpinwicklung.
  • the guide element has a disc shape with recesses.
  • the recesses may lie within the guide element and thus be completely enclosed by it, or be open to a circumferential surface of the guide element. Accordingly, the recess in the radial direction on one or two end walls and in the tangential direction radially extending side walls.
  • the side walls are parallel to the corresponding row of contact ends and guides them in a tangential direction in order to avoid undesired deformation in the tangential direction during the radial expansion.
  • the or the end walls are accordingly widely spaced from one another, which also corresponds to the length of the side walls.
  • the side walls have at least one length which corresponds to the length of all contact ends in the radial direction plus the sum of the width of the Keilele elements, since this corresponds to the radial extent of the deformed contact ends ent.
  • the device comprises a plurality of guide elements which are angeord net in the axial direction below the tip of the wedge element, wherein the guide elements are wedge-shaped or pin-shaped, wherein the guide elements for tangential guidance of the contact ends between the rows of contact ends are insertable.
  • the researchersselemen te are arranged below the tip of the wedge element, ie between the spreader and the stator or rotor which carries the Hairpinwicklung.
  • a plurality of separate guide elements are provided which are pin-shaped or wedge-shaped and are pushed radially between the rows. Again, the guide elements serve to guide the contact ends tangentially.
  • Preferred wedge-shaped guide elements whose tangential width changes over the radial course, in this case can each two adjacent rows of Kon clocking lead in the opposite tangential direction. This is an advantage over pin-shaped guide elements with a relatively constant width, since fewer guide elements are required. Dabirend pin-shaped Füh guiding elements can be used more flexibly for different sized Hairpinwicklept ver.
  • Embodiments of devices according to the invention are characterized in that the device comprises at least one holding element which is designed to hold and position the hairpin winding to the spreader.
  • the device has at least one retaining element.
  • the holding element engages from the inside and / or outside of the rotor or stator, in particular on ent speaking the diameter-changing jaw chuck. Due to the defined Hal teposition by the holding elements, a circumferentially extending spreader can be positioned coaxially to Hairpinwicklung. In embodiments with a spreader, which covers only part of the circumference, a corresponding axially parallel positioning of the spreader can take place by the device before.
  • the spreader and the holding elements are preferably provided so as to be rotatable relative to each other about the axis of rotation of the rotor or stator, wherein at least the spreader or the holding elements are rotatable.
  • these guide elements can be coupled to the holding elements and moved together with them.
  • a further aspect of the invention is a method for aligning the contact ends of hairpins of a hairpin winding, wherein the contact ends of the hairpin winding are arranged circumferentially extending double layers and a number corresponding to number of radially extending rows, wherein at least two Doppella conditions are present, and wherein two in a double layer of a series of adjacent contact ends form a contact pair, with a device in which a spreader is provided, with which at least a part of the contact ends is covered, wherein the spreader has at least one wedge element which extends in the tangential direction and at its contact ends facing axial end having a tip, comprising the steps that the spreader is positioned adjacent to the con tact ends, that the spreader is moved axially in the direction of the contact ends to push the wedge member between contact ends, in particular between contact pairs , whereby the contact ends are deformed in the radial direction.
  • the spreader is positioned to the contact ends, so that the tip of the Keilele element or the wedge elements are positioned at a distance in the axial direction between rule contact ends. Subsequently, the spreader is moved in the axial direction Rich on the contact ends, whereby at first the tips of the directly adjacent be wedge elements come into contact with the contact ends. Due to the positioning between the contact ends and the tip of the wedge element, the wedge element dips between the contact ends and generates a force effect in the radial direction due to the widening in the axial direction width of the wedge element in the radial direction. The voltage applied to the wedge element contact ends, which are acted upon by the force, deform accordingly in radial direction, resulting in a spacing of the contact ends in the radial direction.
  • the contact ends are guided between two wedge elements in the free receiving space formed between them. This can lead to a corresponding deformation insbesonde the upper, preferably non-insulated, part of the contact ends in Chryslerge translated radial direction, whereby the upper portions of the contact ends are pa rallel aligned in particular in the axial direction.
  • this can be achieved by appropriate provided on the spreader limitations.
  • the aforementioned contact ends deformed by the wedge elements can each be either individual contact ends or contact pairs.
  • a separation of individual contact ends or pairs of contacts can be advantageous.
  • Embodiments of inventive method are characterized in that the wedge element is then moved in the tangential direction between the rows and is then removed in the axial direction of the contact ends.
  • the wedge element is then moved in the tangential direction between the rows and is then removed in the axial direction of the contact ends.
  • the wedge element is then moved in the tangential direction between the rows and is then removed in the axial direction of the contact ends.
  • the wedge element is then moved in the tangential direction between the rows and is then removed in the axial direction of the contact ends.
  • spreader and Hairpinwicklung are mutually rotatable and the spreader is moved after reaching the lowered position in which the contact ends are deformed in the tangential direction, so that the wedge elements between the rows of contact ends occurs. Due to the tangential movement, which can be done by the hairpin winding instead of the spreader If the contact end occurs laterally from the receiving space, whereby an unwanted Wei tere deformation of the contact end is avoided. After the wedge member has been moved in a tangential direction to a free position between the rows, the spreader is removed in the axial direction from the contact ends.
  • Embodiments of the invention are characterized in embodiments in that first the hairpin winding is fixed by at least one holding element. In an upstream process step, the hairpin winding or the stator or rotor is taken up with the Hairpinwicklung by holding elements of the device and fixed spatially. By a corresponding constructive interpretation of the device device can be done at the same time positioning the spreader to the contact ends, whereby the components are spatially fixed and the loading processing time can be shortened.
  • the invention relates to an electric machine having a hairpin winding, characterized in that the contact pairs are arranged spaced from one another in the radial direction by a method according to the invention.
  • advantageous hairpin windings can be steeped relative to one another with respect to an alignment of the contact ends by means of a described method.
  • Embodiments of inventive electrical machines are characterized in that the contact ends each have at least on one side an inlet oblique.
  • an inlet slope for example by Anphasen, the contact ends can provide an advantageous gap between the radial directly adjacent contact ends at their upper end. This gap facilitates the positioning as well as the immersion of the tips or the wedge elements between the contact ends, whereby the process reliability is increased.
  • the embodiments are not limited to the above examples and can be achieved by further corresponding embodiments. The features of the embodiments may be combined as desired.
  • Fig. 1 shows a partial section through elements of an inventive device before.
  • Fig. 2 shows a partial section through elements of an inventive device before.
  • Fig. 3A shows a schematic embodiment of a guide element.
  • 3B, 3C show partial sections of a guide element according to FIG. 3A.
  • Fig. 4 shows schematic parts of a device according to the invention.
  • Fig. 1 shows a part of the elements of an embodiment according to the invention, where are shown in sections cut.
  • the device comprises a spreader (1), which covers at least the contact ends (4) of a row (KR) in the tangential direction or extends over an area, in particular a circular ring over the entire circumference.
  • KR a row
  • FIG. 1 Shown is only one edge region of a stator (5), which is provided with a Hairpinwick- ment and the introduced hairpins stand with their contact ends (4) on the laminated core of the stator (5).
  • the upper areas (4.1) of the contact ends (4) in the illustration are not insulated, which is why they have a somewhat lower dimension.
  • the provision of the non-isolated areas (4.1) takes place before preferably already with the production of Flairpins before insertion into the stator (5), because at this time the areas (4.1) are even more accessible and at the same time in the non-isolated area (4.1) of the directly adjacent contact ends (4) creates a corresponding distance, which facilitates the expansion. It is a Vari ante with six layers of contact ends (4), wherein here two layers in a Dop pellage together by the spreader (1) are to be reshaped.
  • the spreader (1) comprises two wedge elements (2) which each have a tip (3) facing the contact ends (4).
  • the wedge elements are connected to one another via a base body (7) and spaced apart such that there is a clearance between the tips (3), which are receptive to a contact pair, ie two contact ends to be electrically conductively connected to one another in later manufacturing steps ), suitable is.
  • a receiving space (A) is defined which has at least one clear width, as between the tips (3), to accommodate the contact ends (4).
  • the spreader has additional boundaries (6) which extend in the axial direction with a corre sponding distance from the wedge elements (2).
  • the base body (7), the wedge elements (2) and the boundaries (6) are integrally formed.
  • the wedge elements (2) have a relatively simple geometry and are symmetrical, whereby a relatively simple one-piece production is possible.
  • the two middle contact ends (4) are not deformed and taken straight into the receiving space (A) between the wedge elements (2).
  • the outer contact ends (4) come into contact with and slide along the wedge elements (2). Due to the increasing width of the wedge elements (2) in the axial direction, the contact ends (2) are deflected in the radial direction and deformed in the direction accordingly. The deeper the wedge elements (2) dip between the contact ends (4), the farther the contact ends will become
  • Fig. 2 shows a spreader (1) similar to Fig. 1, which is why the above description is analogously applicable.
  • the spreader (1) in FIG. 2 is designed in several parts.
  • the wedge elements (2) are each carried out individually and are arranged adjacent in the radial direction and connected to the base body (7).
  • the Be boundaries (6) are designed separately and connected to the base body (7).
  • the distance between the Keilelemen th (2) or between wedge element (2) and boundary (6) on the United bond with the base body (7) and / or on at the wedge elements (2) vorgese Henen paragraphs, as shown done.
  • wedge elements (2) There are five wedge elements (2) are provided to expand in this embodiment, the contact ends (4) each individually.
  • the tips (3) are arranged in comparison to Fig.1 corresponding closer to each other.
  • the wedge elements (2) are not symmetrical, whereby a greater deformation in the radially outward direction takes place, whereby optionally the existing space can be used better.
  • FIG. 2 Another difference in Fig. 2 are the inlet slopes (4.2) which are provided on the non-iso profiled areas (4.1) of the contact ends (4).
  • the inlet slopes (4.2) By the inlet slopes (4.2), the distance between the upper ends of the contact ends (2) is increased, whereby the positioning and immersion of the tips (3) in the lowering of the wedge elements (2) is facilitated.
  • FIG. 3A shows an embodiment of a guide element (10) for a inven tion proper device.
  • the guide element (10) is designed disc-shaped and has distributed over its circumference recesses (1 1) through which each of the corresponding rows (KR) of the contact ends (4) can pass.
  • 3B and 3C each show a partial section of a guide element (10) according to FIG. 3A in the region of a recess (11) in various views.
  • the inside diameter of the recess (1 1) and thus the distance between the side walls (1 1 .1) is not much larger than the tangential measurement from the contact ends (4) , preferably not larger than twice the width of the contact ends (4) formed.
  • the clear width between the end walls (1 1 .2) is formed significantly larger than the radial extent of the row (KR) of the directly adjacent contact ends (4), after the radial deformation of the contact ends (4) still a passage through the recess (1 1) and thus to allow lifting of Füh guiding element (10).
  • the clear width between the end walls (1, 2) should in this case be greater, at least by the sum of the maximum widths of the wedge elements (2) delimiting the receiving spaces (A) in the radial direction. It is also possible to provide the recess (1 1) only with an end wall (1 1 .2) and run on the opposite side radially inwardly or outwardly open.
  • FIG. 1 A schematic view of parts of an embodiment of a device according to the invention are shown in FIG.
  • the stator (5) on the one hand by an inner retaining element (8) prepositioned and additionally by, in this example, two outer Garele elements (8), which are movable from the center or the axis of rotation (Z) of the stator (5) in the radial direction.
  • the holding elements (8) are connected to a frame (9).
  • the stator (5) is first pushed onto the inner holding element (8), wherein the outer holding elements (8) are in an open position. Subsequently, the outer holding elements (8) in the radial direction aufeinan to be moved to clamp the stator (5) between them and thus to hold.
  • the principle can also be executed to swept with inner movable holding jaws. In the same way, a device without a fixed holding element can only be designed with inner and / or outer movable holding jaws as holding elements (8), as a result of which the device can be used more flexibly for components of different dimensions.
  • the holding elements (8) can also engage in later mounting means, with de nen the stator (5) housing during assembly with an electric machine or a Ge or the like is connected.

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

Abstract

La présente invention concerne un dispositif pour orienter les extrémités de contact (4) d'épingles à cheveux d'un enroulement en épingle à cheveux, les extrémités de contact (4) de l'enroulement en épingle à cheveux étant disposées dans des couches doubles dans la direction circonférentielle et selon un nombre correspondant au nombre utile de rangées disposées radialement (KR), au moins deux couches doubles étant présentes et deux extrémités de contact (4) voisines dans une couche double d'une rangée (KR) formant une paire de contacts. Le dispositif est caractérisé en ce qu'il comprend un écarteur (1) avec lequel au moins une partie des extrémités de contact (4) peut être recouverte, en ce que l'écarteur (1) comprend au moins un élément conique (2) qui s'étend dans une direction tangentielle, en ce que l'élément conique (2) comprend une pointe (3) à son extrémité axiale tournée vers les extrémités de contact (4), la pointe (3) présentant dans la direction radiale une largeur qui est plus petite que la demi-largeur d'une extrémité de contact (4), en ce que la largeur de l'élément conique (2) s'agrandit dans la direction radiale à partir de la pointe (3), en ce que l'élément conique (2) présente, au moins sur une longueur correspondant à la longueur d'un secteur non isolé (4.1) de l'extrémité de contact (4), une largeur de 3 mm à 6 mm dans la direction axiale, et en ce que l'écarteur (1) peut être déplacé dans la direction axiale. D'autres aspects de l'invention concernent un procédé correspondant et une machine électrique fabriquée avec ledit procédé.
EP19718121.7A 2018-04-19 2019-04-11 Dispositif et procédé d'orientation d'un enroulement en épingle à cheveux Pending EP3782268A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018206003.7A DE102018206003A1 (de) 2018-04-19 2018-04-19 Vorrichtung und Verfahren zur Ausrichtung einer Hairpinwicklung
PCT/EP2019/059229 WO2019201731A1 (fr) 2018-04-19 2019-04-11 Dispositif et procédé d'orientation d'un enroulement en épingle à cheveux

Publications (1)

Publication Number Publication Date
EP3782268A1 true EP3782268A1 (fr) 2021-02-24

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EP19718121.7A Pending EP3782268A1 (fr) 2018-04-19 2019-04-11 Dispositif et procédé d'orientation d'un enroulement en épingle à cheveux

Country Status (3)

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EP (1) EP3782268A1 (fr)
DE (1) DE102018206003A1 (fr)
WO (1) WO2019201731A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3907864A1 (fr) 2020-05-07 2021-11-10 Grob-Werke GmbH & Co. KG Système et dispositifs ainsi que procédé de pliage radial d'extrémités de fil
DE102020117153B3 (de) 2020-06-30 2021-11-04 Audi Aktiengesellschaft Stator für eine elektrische Maschine und Verfahren zum Aufbringen einer Hairpin-Wicklung auf einen Statorkörper
DE102021202035A1 (de) 2021-03-03 2022-09-08 Robert Bosch Gesellschaft mit beschränkter Haftung Werkzeug und Verfahren zum Separieren von Drähten

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Publication number Priority date Publication date Assignee Title
JP5573327B2 (ja) 2010-04-21 2014-08-20 株式会社デンソー 回転電機の固定子及びその製造方法
JP2015104249A (ja) * 2013-11-26 2015-06-04 株式会社豊田自動織機 回転電機のコイル接合方法および回転電機のコイル
DE102014206105B4 (de) * 2014-04-01 2015-11-12 Continental Automotive Gmbh Vorrichtung und Verfahren zum Biegen von Wicklungssegmenten zur Bildung einer Wicklung, Wicklungsträger, elektrische Maschine
JP6269514B2 (ja) * 2015-01-13 2018-01-31 トヨタ自動車株式会社 動力線の曲げ加工方法
JP6332044B2 (ja) * 2015-01-13 2018-05-30 トヨタ自動車株式会社 固定子製造装置
DE102015217922A1 (de) * 2015-09-18 2017-03-23 Continental Automotive Gmbh Verfahren und zweiteilige Werkzeuganordnung zum Herstellen eines Stators für eine elektrische Maschine

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WO2019201731A1 (fr) 2019-10-24

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