EP4010968A1 - Twistvorrichtung sowie verfahren für eine hairpin-wicklung - Google Patents
Twistvorrichtung sowie verfahren für eine hairpin-wicklungInfo
- Publication number
- EP4010968A1 EP4010968A1 EP20746614.5A EP20746614A EP4010968A1 EP 4010968 A1 EP4010968 A1 EP 4010968A1 EP 20746614 A EP20746614 A EP 20746614A EP 4010968 A1 EP4010968 A1 EP 4010968A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- twist
- rings
- twist rings
- pockets
- coupling means
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 11
- 238000004804 winding Methods 0.000 title description 8
- 230000008878 coupling Effects 0.000 claims abstract description 71
- 238000010168 coupling process Methods 0.000 claims abstract description 71
- 238000005859 coupling reaction Methods 0.000 claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- H02K15/30—Manufacture of winding connections
- H02K15/33—Connecting winding sections; Forming leads; Connecting leads to terminals
- H02K15/35—Form-wound windings
- H02K15/36—Processes or apparatus for simultaneously twisting two or more open ends of hairpins after their insertion into the machine
Definitions
- the present invention relates to a device and a method for so-called twisting in the production of a coil from hairpins, in which the individual hairpin ends protruding axially from the coil body are deformed or interlaced in the circumferential direction by a certain amount to make electrical contact with further hairpin ends to allow.
- the object of the present invention is to provide a simpler device.
- a device for twisting hairpin ends of a coil formed from hairpins for an electrical machine comprising a plurality of coaxially arranged twist rings, two outer twist rings and at least two inner twist rings between them, the twist rings each on one of the hairpin ends facing, axial end has a plurality of over the circumference ver divided pockets for receiving a hairpin end each, and wherein the twist rings are rotatable in opposite directions to each other, characterized in that the twist rings have coupling means through which twist rings can be connected with the same direction of rotation.
- a hairpin winding is formed from several hairpins or shaped rods that have contact points at their ends on the winding head. At least two hairpins are electrically conductive with one another at the contact points connected to produce the coils of the hairpin winding from the hairpins. The contact points to be connected to one another are called hairpin ends and the respective individual contact points at the start and end of the respective coils are called connection pins. To control the electrical machine, the connection pins are connected to an interconnection in an electrically conductive manner. Hairpin windings are generally formed with at least four, often six or eight, and possibly more layers of hairpins per groove, depending on the design and the power of the electrical machine.
- the device has at least a number of twist rings corresponding to the number of layers, which are sleeve-shaped and are arranged coaxially nested in one another. At one axial end that faces the hairpin ends, the twist rings have pockets for receiving one hairpin end.
- a small gap is provided between the twist rings in order to allow a relative movement of the twist rings to one another, the gap being smaller, preferably smaller than half the width of a hairpin end in the radial direction, in order to prevent the hairpin ends from entering to prevent the gap.
- the gap is made as small as possible in order to prevent the hairpin end from entering or the hairpin end from being deformed.
- the inner twist rings have a width in the radial direction which corresponds to at least the width of one hairpin end in the radial direction in order to allow sufficiently large pockets to accommodate the hairpin ends.
- the maximum width of the inner twist rings is preferably less than three times, in particular less than twice the width of a hairpin end.
- the outer twist rings can be made more massive, since they are only adjacent to another twist ring on one side.
- the device is advantageously connected to a drive or receiving element of a machine tool via the outer twist rings.
- the ends of the straight hairpins or shaped rods used in the grooves protrude beyond the stator.
- the hairpin ends In order to achieve a distributed coil winding, the hairpin ends must be bent in the circumferential direction so that contact points of different hairpins to be connected can be arranged adjacent to one another and then connected to one another in an electrically conductive manner.
- the twist rings of the device are designed to be rotatable relative to one another.
- the device has coupling means with which twist rings, which are rotated in the same direction, can be connected to one another and moved together. By means of the coupling means, the number of drives can be kept low and devices for different coils can optionally be used on the same system.
- Embodiments of a device are characterized in that directly adjacent twist rings are rotatable in opposite directions.
- directly adjacent twist rings can be rotated in opposite directions in order to achieve uniform deformation of the hairpin ends.
- the hairpins can be connected to a coil with a wel len-shaped circumferential conductor.
- Apparatus according to the embodiment are characterized in that at least the inner twist rings have a passage for the coupling means of the twist rings with a different direction of rotation. So that the coupling means can establish a connection between twist rings with the same direction of rotation without possibly interfering with intervening twist rings with no or an opposite direction of rotation, at least one passage is provided in the twist rings for the coupling means in a different direction of rotation.
- Preferred embodiments of an aforementioned device are characterized in that the passage is designed as extending over part of the circumference of the elongated hole.
- a passage for the coupling means can easily be provided through an elongated hole extending over part of the circumference.
- the elongated hole extends at least over an angle of the circumference which corresponds to the sum of the angles of rotation in both directions of rotation.
- the coupling means is preferably located in the circumferential direction at one end of the elongated hole. This end of the elongated hole can serve as a stop before geous, in further preferred embodiments, whereby the device can easily be reset to a defined starting position.
- Apparatus according to the embodiments are characterized in that the twist rings each have at least two coupling means, preferably symmetrically distributed over the circumference.
- the twist rings each have at least two coupling means, preferably symmetrically distributed over the circumference.
- several coupling means are distributed over the circumference angeord net. This also reduces the force to be transmitted per coupling means.
- the at least two coupling means are preferably distributed symmetrically over the circumference, which ensures a more uniform force distribution.
- two coupling means can be provided diametrically opposite each other per direction of rotation.
- three coupling means for example offset by 120 °, four by 90 ° or more, are also possible.
- coupling means are provided for different directions of rotation, these are preferably arranged alternately in the circumferential direction.
- Embodiments of a device are characterized in that the coupling means are designed as a dowel pin which is received in corresponding receptacles on the twist strings.
- coupling means such as dowel pins or screws are advantageous due to the simple availability and assembly.
- dowel pins still have the advantage that there is a defined contact surface over the standardized outer surface of the dowel pins.
- Preferred embodiments of a device are characterized in that some of the twist rings have receptacles which have a clear width in the direction of movement compared to the dowel pin in the starting position in order to move the twist ring by a rotation angle corresponding to the clear width less than the dowel pin.
- some of the receptacles for the coupling means in particular dowel pins, can have a clear width in the direction of movement, which means that the twist ring can be carried along by one of the clear widths. speaking angle is reduced.
- Apparatus according to the embodiments are characterized in that the number of twist rings corresponds to the number of layers of the coil.
- the number of twist rings corresponds to the number of layers of the coil.
- Embodiments of a device are characterized in that the number of pockets per twisting corresponds to the number of slots in the coil.
- a number of pockets corresponding to the number of grooves are advantageously provided on one axial end of the respective twisting ring.
- Embodiments of a device are characterized in that the pockets are designed to be open on one side in the radial direction, the pockets of the outer twist rings being designed to be open in the direction of the further twist rings, and that the pockets of the inner twist rings each point to the open side of the pockets of a directly adjacent twisting ring are open.
- the pockets provided in the twist rings are open along a circumferential surface of the twist ring.
- pockets which are radially open on one side, are that during the twisting movement in which the Hairpin ends are reshaped in the circumferential direction, these also experience a Kraftwir effect in the radial direction. Due to the force acting in the radial direction, the hairpin ends either rest against the radial circumferential wall of the pocket and are thus completely held in place, or slide on the open side along the circumferential surface of the adjacent twist ring and the hairpin ends thus approach each other the hairpin ends of this adjacent layer, to which they will be connected in an electrically conductive manner in a later work step.
- Apparatus according to embodiments are characterized in that the pockets have at least one depth in the axial direction which corresponds to a non-isolated length of the hairpin ends.
- the hairpin ends preferably have end regions which are not insulated or have been freed from insulation. In order to maintain the most axial alignment possible of the non-insulated end regions, these are advantageously included in the pockets.
- the pockets can also have a depth so that isolated areas can also be accommodated.
- pockets with different axial depths can also be provided in order to be able to accommodate different long hair pin ends or, in particular, connection pins.
- Embodiments of a device are characterized in that the outer twist rings have fastening means with which the device can be connected to drives for the rotary movements.
- a connection with one or more drives is necessary to move the twist rings in the circumferential direction.
- a drive is provided per direction of rotation, which are connected to the device via fastening means, in particular detachably.
- the connection points of the drives for example as a turntable to which a twist ring is attached with fastening means such as screws, or as circumferential levers or ring segments with which a twist ring is connected, devices for differently dimensioned spools on a machine be used.
- the coupling means can also be connected directly to the drives.
- Another aspect of the invention is a method for twisting hairpin ends of a coil for an electrical machine by means of a device according to the description and figures, comprising the method steps
- twist rings in opposite directions, twisting rings connected to one another via coupling means being turned in the same direction,
- the, preferably not isolated, end regions of the hairpins are taken in the pockets of the twist rings.
- the twist rings are then rotated relative to one another, with twist rings being connected with the same direction of rotation via coupling means.
- the connection via the coupling means can be rigid, as a result of which all connected twist rings are moved by the same angle of rotation.
- the coupling means can also be designed in such a way that the twist rings are moved by different angles of rotation by the coupling means being formed, for example, by gears or the like, or by means of corresponding receptacles on the twist rings, these only come into operative connection with the coupling means later.
- Different twist angles for the different layers can be represented by different angles of rotation.
- Relative rotational movement of the twist rings in opposite directions of rotation can take place simultaneously or sequentially.
- the coil is removed from the device, the end areas of the now reshaped hairpins being pulled in the axial direction out of the pockets of the twist rings.
- the coil is then fed to the further production steps, for example welding the deformed hairpin ends.
- the twist rings are rotated back into their starting position before the next bobbin is inserted.
- an electrical machine with a coil formed from hairpins which is produced by means of a described method on a device according to the description, is an aspect of the invention.
- the machine here has at least one drive with which the fastening means of the device can be connected.
- Fig. 1 shows an embodiment of a device.
- Fig. 2 shows a further embodiment of a device.
- FIG. 3 shows a section in the radial direction of an exemplary embodiment according to FIG.
- Fig. 4 shows part of a further embodiment of a device axially cut.
- Fig. 1 an embodiment of a device (1) is shown.
- the device (1) comprises several twist rings (2.1; 2.2; 3) which are arranged coaxially.
- the inner twist rings (3) between the two outer twist rings (2.1; 2.2), wherein the outer twist rings (2.1; 2.2) can be made more massive.
- the radially inner outer twist ring (2.2) can also be designed as a solid cylinder.
- the outer twist rings (2.1; 2.2) are each connected to a separate drive (8) via fastening means (7) in order to move the twist rings (2.1; 2.2) in opposite directions to one another in the circumferential direction.
- a carrier plate for a drive (8) is shown, which is connected to the radially outer outer twist ring (2.1).
- the twist rings (2.1; 2.2; 3) with the same direction of rotation are each connected to one another via Kopplungsmit tel (4; 4.1; 4.2).
- the coupling means (4; 4.1; 4.2) apply a driving force from a driven twist ring (2.1; 2.2; 3), preferably an outer twist ring (2.1; 2.2), to the further twist rings (2.1; 2.2; 3), preferably inner twist rings (3), transferred with the same direction of rotation.
- passages (5; 5.1; 5.2) improve the guidance of the coupling means (4; 4.1; 4.2), in particular in the axial direction, as well as better power transmission to the adjacent twisting ring (3) connected to the coupling means (4; 4.1; 4.2) ) improved.
- passages (5; 5.1) can also be provided on the radially inner outer twist ring (2.2) analogously.
- 2.2 can also be formed by grooves.
- Embodiments are also possible in which no passage (5; 5.1; 5.2) is provided in the outer twist rings (2.1; 2.2), which reduces the manufacturing effort.
- the coupling means (4; 4.1; 4.2) can also be connected to the respective drive. This is particularly advantageous in embodiments in which the outer twist rings (2.1;
- twist rings (2.1; 2.2; 3) have the same direction of rotation.
- pockets (6; 6.1; 6.2) are provided, which serve to accommodate hairpin ends of a coil held at least in the circumferential direction.
- the coil is preferably only guided in the axial direction, whereby a change in the axial length due to the deformation of the hairpin ends in the circumferential direction can be compensated for or adjusted.
- positioning aids (9) are also shown, with which, for example, a starting position of the device can be marked.
- the positioning aids (9) are provided as radial markings on two adjacent twist rings (2.1; 2.2; 3). Correct positioning or alignment of the device (1), more precisely the twist rings (2.1; 2.2; 3) with respect to one another, can thus be checked and ensured.
- the outer twist rings (2.1; 2.2) have no pockets (6; 6.1; 6.2) or their pockets (6; 6.1; 6.2) are not used and the outer twist rings (2.1; 2.2) are connected to the drives and only actuate the coupling means (4) and the Hold the inner twist ring (3).
- the same outer twist rings (2.1; 2.2) can be used for different designs with different inner twist rings (3) in order to reduce the tool costs per design.
- Fig. 2 shows a further embodiment of a device (1).
- the structure largely corresponds to that of the structure described above for FIG. 1, to which reference is made.
- a difference to the embodiment in Fig. 1 is that the outer de outer twist ring (2.1) and the inner twist rings (3) rest on a radially extending section of the inner outer twist ring (2.2) on the side facing away from the pockets (6) .
- This has the advantage, among other things, that the Direction (1) can be prepared or provided separately and can be handled as a unit and installed in the machine.
- Fuses (11) are preferably provided which, in particular, secure the outer twist rings (2.1; 2.2) from being lifted off from one another, but allow a relative movement in the circumferential direction.
- fuses (11) are provided which intervene in an extension of the passages (5).
- positioning aids (9) several notches provided on the jacket surfaces of the outer twist rings (2.1; 2.2) are introduced in FIG. 2.
- positioning aids (9) provided at a defined distance from one another, different positions can be marked and, in addition to, for example, an initial position, different twist angles can also be determined for different versions of coils.
- Fig. 3 is a sectional view of an embodiment according to FIG. 2 is shown, the section along a plane perpendicular to the axis of rotation Ebe ne in the area of the passages (5).
- the outer twist rings (2.1; 2.2) are solid.
- the inner outer twist ring (2.2) is connected to a drive with fasteners (7), here screws.
- the inner, outer twisting ring (2.2) has an area which extends outward in the radial direction and on which safeguards (11) are provided.
- the fuses (11) are designed in this,sbei play as ring disks flattened on one side, which, depending on the rotational position, enables the outer twisting ring (2.1) to be lifted off or in a groove of the outer twisting ring (2.1) formed in extension of the passage (5; 5.2) ) intervenes to prevent lifting.
- the groove can be connected to the passage (5; 5.2) or can also be designed separately from it.
- the groove can also have a width and / or depth that differs from the passage (5; 5.2) and / or be provided at a different height in the axial direction. It is also possible for the groove to be formed by the passage (5; 5.2) itself is, especially when the passage (5; 5.2) comprises a larger circumferential area than the twist angle or the coupling means (4.2) arranged in the passage (5; 5.2) does not extend over the complete radial length of the outer twist ring (2.1).
- Coupling means (4.1; 4.2) are received in each of the outer twist rings (2.1; 2.2) in order to connect twist rings (2.1; 2.2; 3) with one another in the same direction of rotation.
- corresponding passages (5.1; 5.2) for the coupling means (4.1; 4.2) of the respective other direction of rotation are provided in the twist rings (2.1; 2.2; 3). Through the passages (5.1; 5.2), the twist rings (2.1; 2.2; 3) can be rotated relative to the coupling means (4.1; 4.2) passing through.
- the coupling means (4.1; 4.2) are designed as dowel pins extending in the radial direction.
- a threaded hole is provided at one end of the dowel pins in order to enable or simplify dismantling of the device.
- coupling means (4.1; 4.2) For each direction of rotation, three coupling means (4.1; 4.2) are arranged uniformly distributed over the circumference in FIG. Depending on the size of the device and the forces that occur, more or fewer coupling means (4.1; 4.2) can be provided for each direction of rotation. A different number of coupling means (4.1; 4.2) can also be provided for the different directions of rotation.
- coupling means (4.1) for a first direction of rotation are added to the outer twisting ring (2.1). These coupling means (4.1) are also connected to every second of the inner twist rings (3) in order to be able to move them in the same direction of rotation by the same twist angle. Corresponding passages (5.1) are provided in the intermediate inner twist rings (3) and the inner outer twist ring (2.2), through which the coupling means (4.1) can pass for a first direction of rotation and can thus be moved relative to one another.
- coupling means (4.2) are added for a second direction of rotation in the inner lying outer twist ring (2.2). These coupling means (4.2) connect the inner outer twist ring (2.2) with the corresponding inner ones Twist rings (3) with the same direction of rotation.
- the twist rings (2.1; 3) with a first direction of rotation similarly have corresponding passages (5.2) for the coupling means (4.2) of the second direction of rotation.
- FIG 4 shows a section along a plane of a further exemplary embodiment running in the radial and axial directions, only one half being shown.
- the twist rings (2.1; 2.2; 3) are shown in an initial position.
- pockets (6; 6.1; 6.2) for receiving the contact ends to be formed are formed in each case. It is shown here that the pockets (6; 6.1; 6.2) in this embodiment are each open to a circumferential surface of the twist rings (2.1; 2.2; 3) and the open circumferential surface of directly adjacent twist rings (2.1; 2.2; 3) each other are facing.
- the result for the inner twist rings (3) is that their closed circumferential surfaces likewise each face a closed circumferential surface of a directly adjacent inner twist ring (3).
- pockets (6; 6.1; 6.2) of a twisting ring (2.1; 2.2; 3), in particular of an inner twisting ring (3) the open and closed circumferential surfaces can be exchanged in order to provide contact pairs for a transition between the double layers.
- pockets (6.1) for contact ends which are to be connected to an interconnection and therefore not connected to another contact end, can be formed without an open circumferential surface or, at the end of the twisting movement, lie opposite a closed circumferential surface.
- the outer twist rings (2.1; 2.2) can have a number of pockets (6; 6.1; 6.2) that differs from the number of slots in the coil to be manufactured. Especially in embodiments in which a total of more twist rings are provided than layers on the spool.
- the inner twist rings (3) shown in Fig. 4 pockets (6.2) have a second depth in the axial direction in order to safely accommodate at least the, preferably non-isolated, con tact ends which are to be deformed and then connected to contact pairs can and through this second axial depth, an end region of the contacts that extends in the axial direction after the deformation is maintained.
- the outer twist rings (2.1; 2.2) shown in Fig. 4 have pockets (6.1) which have a first axial depth with a greater extent in the axial direction than the pockets (6.2) with a second depth of the inner twist rings (3) . These are provided for receiving contact ends, which are connected to a circuit and are not connected to a contact pair. The greater axial extension of the first axial depth provide space for the contact ends, which are generally longer, for the interconnection.
- Pockets (6; 6.1; 6.2) with a first and / or second axial depth can be provided on a twist ring (2.1; 2.2; 3).
- the pockets (6.1) with a first axial depth are provided at least at the positions for contact ends to be connected with an interconnection.
- all pockets (6) of a twisting ring (2.1; 2.2; 3) can be provided with pockets (6.1) of a first axial depth, since these also allow individual Contact ends that are to be connected to a contact pair can be kept for the deformation.
- the inner twist rings (3) of the embodiment shown in Fig. 4 have on their axial side facing away from the pockets (6; 6.1; 6.2) coaxially nested projections in the radial direction in order to increase the width of this end face in the radial direction.
- the coupling means (4.1; 4.2) are connected to the outer twist rings (2.1; 2.2) and initially comprise a section extending in the axial direction, with a sufficient clearance between the coupling means (4.1; 4.2) to allow the nested projections of the to accommodate inner twist rings (3) in the radial direction.
- the axial section of the coupling means (4.1; 4.2) is followed by radially extending sections which cover at least the radial projections of the inner twist rings (3) with the same direction of rotation.
- the radia len sections of the coupling means (4.1; 4.2) follow one another in the axial direction.
- connection between the coupling means (4.1; 4.2) and the inner Twistrin gene (3) takes place in the illustrated embodiment via connecting bolts (10), where in Fig. 4 the connecting bolts (10) of the coupling means (4.1) for a first direction of rotation through passages (5.1) run in the coupling means (4.2) for a second direction of rotation.
- connecting bolts (10 dowel pins or the like can also be used.
- passages (5.1) apply in terms of the circumferential length and the like analogously to the information given in the other exemplary embodiments.
- the radially extending sections of the coupling means (4.1; 4.2) can run in one plane if they each extend only over partial areas of the circumference and have a clear width sufficient for the twisting movement in the circumferential direction.
- a passage (5.1; 5.2) can be dispensed with and the coupling means (4.1; 4.2) can be used directly as a stop for limiting the twist angle.
- twist device Outer twisting ring Outer twisting ring lying radially outside Outer twisting ring lying radially inside Inner twisting ring coupling means coupling means for a first direction of rotation coupling means for a second direction of rotation passage passage for coupling means of a first direction of rotation passage for coupling means of a second direction of rotation pockets pockets with a first axial depth pockets with a second axial depth pockets Depth fasteners Drive positioning aid Connecting bolt Securing
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019211713.9A DE102019211713A1 (de) | 2019-08-05 | 2019-08-05 | Twistvorrichtung sowie Verfahren für eine Hairpin-Wicklung |
| PCT/EP2020/070924 WO2021023523A1 (de) | 2019-08-05 | 2020-07-24 | Twistvorrichtung sowie verfahren für eine hairpin-wicklung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4010968A1 true EP4010968A1 (de) | 2022-06-15 |
Family
ID=71833330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20746614.5A Withdrawn EP4010968A1 (de) | 2019-08-05 | 2020-07-24 | Twistvorrichtung sowie verfahren für eine hairpin-wicklung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20220278596A1 (de) |
| EP (1) | EP4010968A1 (de) |
| CN (1) | CN114208002A (de) |
| DE (1) | DE102019211713A1 (de) |
| WO (1) | WO2021023523A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3128075B1 (fr) | 2021-09-20 | 2025-02-21 | Nidec Psa Emotors | Procédé de fabrication et stator de machine électrique tournante avec bobinage asymétrique |
| WO2023062313A1 (fr) | 2021-10-12 | 2023-04-20 | Nidec Psa Emotors | Procédé de fabrication et stator de machine électrique tournante avec bobinage asymétrique |
| US12184131B2 (en) | 2022-02-25 | 2024-12-31 | GM Global Technology Operations LLC | Interlocking tool for forming stator winding end turns |
| DE102022212652A1 (de) * | 2022-11-28 | 2024-05-29 | Zf Friedrichshafen Ag | Twistwerkzeug und Verfahren zum Herstellen einer mehrlagigen Wicklung |
| DE102023201465A1 (de) * | 2023-02-21 | 2024-08-22 | Zf Friedrichshafen Ag | Twistvorrichtung und Verfahren zum Herstellen einer mehrlagigen Wicklung sowie Verfahren zum Herstellen einer Twistvorrichtung |
| CN116191785B (zh) * | 2023-04-28 | 2023-08-04 | 邦迪智能装备(河南)有限公司 | 一种电机定子线圈反扭装置 |
| DE102023206903A1 (de) | 2023-07-20 | 2025-01-23 | Volkswagen Aktiengesellschaft | Verfahren zum Herstellen eines Stators für eine Elektromaschine und Elektromaschine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3199068B2 (ja) * | 1999-03-31 | 2001-08-13 | 株式会社デンソー | ステータの製造装置 |
| FR2808939B1 (fr) * | 2000-05-11 | 2002-07-12 | Valeo Equip Electr Moteur | Machine pour la mise en forme de la tete de bobine d'un stator |
| JP4816356B2 (ja) * | 2006-09-19 | 2011-11-16 | 株式会社デンソー | 導体捻り装置 |
| US8215000B2 (en) * | 2007-07-20 | 2012-07-10 | Tecnomatic, S.P.A. | Methods for twisting rotor and stator ends |
| ES2524078T3 (es) * | 2011-01-04 | 2014-12-04 | Tecnomatic S.P.A. | Método y aparato para retorcer las porciones finales de conductores de barra, en particular para bobinados de barras de máquinas eléctricas |
| US20140030078A1 (en) * | 2011-04-05 | 2014-01-30 | Toyota Jidosha Kabushiki Kaisha | Stator and method of manufacturing stator |
| PT2801984T (pt) * | 2013-05-08 | 2019-01-23 | Schleuniger Holding Ag | Prendedor, cabeça de torção e dispositivo de torção |
| JP5680159B1 (ja) * | 2013-08-29 | 2015-03-04 | 本田技研工業株式会社 | 回転電機の製造方法 |
| US10804777B2 (en) * | 2015-12-18 | 2020-10-13 | Honda Motor Co., Ltd. | Stator manufacturing method and device therefor |
| DE102016109152B3 (de) * | 2016-05-18 | 2017-09-07 | Lisa Dräxlmaier GmbH | Schlagpositioniereinheit, Verdrilleinrichtung und Verfahren zum Betreiben einer Verdrilleinrichtung |
-
2019
- 2019-08-05 DE DE102019211713.9A patent/DE102019211713A1/de active Pending
-
2020
- 2020-07-24 EP EP20746614.5A patent/EP4010968A1/de not_active Withdrawn
- 2020-07-24 CN CN202080055405.9A patent/CN114208002A/zh active Pending
- 2020-07-24 US US17/632,787 patent/US20220278596A1/en not_active Abandoned
- 2020-07-24 WO PCT/EP2020/070924 patent/WO2021023523A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102019211713A1 (de) | 2021-02-11 |
| WO2021023523A1 (de) | 2021-02-11 |
| CN114208002A (zh) | 2022-03-18 |
| US20220278596A1 (en) | 2022-09-01 |
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