WO2013125513A1 - Procédé et dispositif pour la fabrication de pièces d'aimant pour aimant à pôle de champ - Google Patents

Procédé et dispositif pour la fabrication de pièces d'aimant pour aimant à pôle de champ Download PDF

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Publication number
WO2013125513A1
WO2013125513A1 PCT/JP2013/053966 JP2013053966W WO2013125513A1 WO 2013125513 A1 WO2013125513 A1 WO 2013125513A1 JP 2013053966 W JP2013053966 W JP 2013053966W WO 2013125513 A1 WO2013125513 A1 WO 2013125513A1
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WO
WIPO (PCT)
Prior art keywords
magnet body
magnet
cleaving
longitudinal direction
punch
Prior art date
Application number
PCT/JP2013/053966
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English (en)
Japanese (ja)
Inventor
晃久 堀
西村　公男
渡辺　英樹
関川　岳
靖志 松下
一宏 高市
巧 大島
倫人 岸
国朋 石黒
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Publication of WO2013125513A1 publication Critical patent/WO2013125513A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/14—Means for treating work or cutting member to facilitate cutting by tensioning the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/002—Precutting and tensioning or breaking
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • 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
    • H02K15/03—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets

Definitions

  • the present invention relates to a method and apparatus for manufacturing a magnet piece constituting a magnetic body for a field pole.
  • JP2009-148201A discloses a method of manufacturing a permanent magnet in which the permanent magnet is cleaved and the cleaved permanent magnet is fitted to restore the permanent magnet.
  • a permanent magnet restored by the manufacturing method disclosed in JP2009-148201A for a motor or the like an eddy current generated when the motor is driven can be suppressed.
  • a permanent magnet is disposed between a curved upper punch and a curved lower punch, the distance between the lower punch and the upper punch is shortened, and bending stress is applied to the cleaving site using the principle of three-point bending. In addition, cracks are advanced from the lower surface to the upper surface of the permanent magnet to cleave the permanent magnet.
  • the present invention has been invented to solve such problems, and has an object of cleaving a permanent magnet on a plane to be cleaved.
  • a method of manufacturing a magnet piece constituting a field pole magnet body includes: a magnet constituting a field pole magnet body that cleaves the magnet body at a planned fracture plane that is set perpendicular to the longitudinal direction thereof. It is a manufacturing method of a piece.
  • the method of manufacturing the magnet pieces constituting the field pole magnet body is to crush the magnet body by applying bending stress to the magnet body while applying stress from the planned cutting surface of the magnet body toward the end in the longitudinal direction of the magnet body. To do.
  • FIG. 1A is a schematic configuration diagram of a permanent magnet embedded rotary electric machine that uses the field pole magnet body of the present embodiment.
  • 1B is a cross-sectional view taken along the line II of FIG. 1A.
  • FIG. 2 is a schematic configuration diagram of a field pole magnet body.
  • FIG. 3 is a schematic configuration diagram illustrating the magnet body cleaving apparatus according to the first embodiment.
  • FIG. 4A is a diagram illustrating a case where the magnet body is cleaved using the first embodiment.
  • FIG. 4B is a diagram illustrating a case where the magnet body is cleaved using the first embodiment.
  • FIG. 5A is a diagram illustrating a case where the magnet body is cut without using the first embodiment.
  • FIG. 5B is a diagram illustrating a case where the magnet body is cut without using the first embodiment.
  • FIG. 5C is a diagram illustrating a case where the magnet body is cleaved without using the first embodiment.
  • FIG. 6 is a schematic configuration diagram of a magnet body breaking device according to the second embodiment.
  • FIG. 7A is a diagram illustrating a case where the magnet body is cleaved using the second embodiment.
  • FIG. 7B is a diagram illustrating a case where the magnet body is cleaved using the second embodiment.
  • FIG. 8 is a schematic configuration diagram of a magnet body cleaving apparatus according to the third embodiment.
  • FIG. 9A is a diagram illustrating a case where the magnet body is cleaved using the third embodiment.
  • FIG. 9B is a diagram illustrating a case where the magnet body is cleaved using the third embodiment.
  • FIG. 10 is a schematic configuration diagram of a magnet body breaking apparatus according to the fourth embodiment.
  • FIG. 11 is a schematic configuration diagram of a magnet body breaking device according to a fifth embodiment.
  • FIG. 1A and FIG. 1B an embedded permanent magnet rotating electric machine A (hereinafter simply referred to as “rotating electric machine”) is arranged in a ring-shaped stator 10 that constitutes a part of a casing (not shown), and coaxial with the stator 10.
  • the cylindrical rotor 20 is formed.
  • FIG. 1A is a front view of the rotating electrical machine A viewed from the axis O.
  • FIG. 1B is a cross-sectional view taken along the line II of FIG. 1A.
  • the stator 10 includes a stator core 11 and a plurality of coils 12.
  • the plurality of coils 12 are accommodated in slots 13 formed at equal angular intervals on the same circumference around the axis O in the stator core 11.
  • the rotor 20 includes a rotor core 21, a rotating shaft 23 that rotates integrally with the rotor core 21, and a plurality of field pole magnet bodies 80.
  • the plurality of field pole magnet bodies 80 are centered on the axis O.
  • the slots 22 are formed at equal angular intervals on the same circumference.
  • the field pole magnet body 80 accommodated in the slot 22 of the rotor 20 has a rectangular magnet body 30 in a plan view in the thickness direction, a direction orthogonal to the longitudinal direction of the magnet body 30, That is, it is configured as an assembly of magnet pieces 31 aligned in a line by adhering a plurality of magnet pieces 31 divided by cutting along a planned cutting surface set in the width direction by resin 32 at the cut sections.
  • the resin 32 used for example, a resin having a heat resistance of about 200 ° C. is used, and the adjacent magnet pieces 31 are electrically insulated from each other.
  • FIG. 3 is a schematic configuration diagram showing a magnet body cleaving apparatus 1 which is a manufacturing apparatus for magnet pieces constituting the field pole magnet body of the present embodiment.
  • the magnet body breaking device 1 includes a pair of dies 2, a punch 3, and a chuck jig 4.
  • the die 2 is extended along the width direction of the magnet body 30 and supports the lower side of the magnet body 30.
  • the pair of dies 2 are orthogonal to the width direction of the magnet body 30 and are arranged in parallel along the direction along the magnet body 30, that is, along the longitudinal direction of the magnet body 30.
  • the magnet body 30 is bridged between the pair of dies 2 and is cleaved by the punch 3.
  • the punch 3 extends along the width direction of the magnet body 30 and is driven in the vertical direction by, for example, a servo press, a mechanical press, a hydraulic press, or the like. In the cross section orthogonal to the width direction of the magnet body 30, the punch 3 becomes thicker as it is away from the magnet body 30, that is, as it goes upward.
  • the punch 3 descends from the initial position above the magnet body 30, touches the magnet body 30 between the pair of dies 2, and further descends to press the magnet body 30, so that the punch 3 and the pair of dies 2
  • the magnet body 30 is cleaved by the principle of three-point bending.
  • the punch 3 rises after breaking the magnet body 30 and returns to the initial position.
  • the chuck jig 4 is a jig that pulls the magnet body 30 in the longitudinal direction of the magnet body 30.
  • a pair of chuck jigs 4 are arranged with the punch 3 interposed therebetween.
  • the chuck jig 4 pulls the magnet body 30 in the longitudinal direction of the magnet body 30 with the end 30a side in the longitudinal direction of the magnet body 30 interposed therebetween, and applies stress toward the end 30a in the longitudinal direction of the magnet body 30. .
  • the magnet body cleaving apparatus 1 hangs the magnet body 30 between the pair of dies 2, places the punch 3 down, and cleaves the magnet body 30 by three-point bending with the pair of dies 2 and the punch 3. .
  • the magnet body cleaving device 1 applies stress to the magnet body 30 by pulling the magnet body 30 toward the end 30a in the longitudinal direction of the magnet body 30 by the chuck jig 4.
  • the punch 3 is lowered from the initial position, and bending stress is applied to the magnet body 30 to cleave the magnet body 30.
  • the magnet cleaving apparatus 1 pulls the magnet body 30 in the longitudinal direction of the magnet body 30 by the chuck jig 4 and applies the stress from the cleaving portion toward the longitudinal end portion 30a of the magnet body 30 while punching the punch 3.
  • the magnet body 30 is cleaved by.
  • the planned cutting surface of the magnet body 40 is a flat surface that extends straight from the tip of the punch 41 toward the magnet body 40, that is, a smooth surface.
  • the planned cutting surface of the magnet body 40 is indicated by a broken line.
  • the progress direction of the crack deviates from the planned cutting surface (see FIG. 5C).
  • the cleaved surface extends straight from the tip of the punch 41 to the magnet body 40, but the cleaved surface in the vicinity of the cleaved surface on the upper surface side of the magnet body 40 is a place where compressive stress is concentrated and deviates from the cleave line when the compressive stress increases. Cracks tend to progress.
  • the magnet 30 is pulled by the chuck jig 4 in the longitudinal direction of the magnet body 30 to reduce the compressive stress on the upper surface side of the magnet body 30, thereby reducing the magnet by the punch 3. Since the body 30 is cleaved, it is possible to cleave the magnet body 30 while suppressing the progress of the crack from deviating from the cleaved planned surface, and the cut section of the magnet body 30 can be made smooth.
  • the stress for pulling the magnet body 30 by the chuck jig 4 is preferably 0.01 Mpa to 400 Mpa.
  • the relaxation degree of the compressive stress on the upper surface side of the magnet body 30 can be optimized, and the magnet body 30 can be cleaved by progressing cracks along the cleaved planned surface. Further, the bending stress due to the punch 3 can be reduced, and the magnet body 30 can be cleaved using the small magnet body cleaving apparatus 1.
  • the magnet body 30 is pulled in the longitudinal direction of the magnet body 30 by the chuck jig 4 after the cutting of the magnet body 30 by the punch 3 is started, stress is applied in the longitudinal direction of the magnet body 30 while the magnet is bent.
  • the chuck jig 4 makes it difficult to accurately apply stress. Therefore, there is a possibility that the progress of the crack may deviate from the planned cutting surface.
  • the magnet body 30 by pulling the magnet body 30 in the longitudinal direction of the magnet body 30 by the chuck jig 4 and cleaving the magnet body 30 by the punch 3 in a state where stress is applied, the progress of cracks deviates from the planned cutting surface. This can be suppressed and the fractured surface of the magnet body 30 can be made smooth.
  • FIG. 6 is a schematic configuration diagram of the magnet body breaking device 1 of the second embodiment.
  • the second embodiment is different from the first embodiment in the magnet body breaking device.
  • the magnet cleaving device 50 according to this embodiment includes a pair of dies 2, a punch 3, and a pressing portion 51.
  • the pressing portion 51 protrudes from the upper portion of the punch 3 in the longitudinal direction of the magnet body 30, and a protrusion portion 52 that moves integrally with the punch 3, and a contact disposed between the protrusion portion 52 and the magnet body 30. And a spring 54 that connects the protruding portion 52 and the contact portion 53.
  • a pair of pressing portions 51 are arranged with the punch 3 interposed therebetween.
  • the contact portion 53 includes a first flat plate portion 55 extending in the vertical direction and a second flat plate portion 56 extending from the upper end of the first flat plate portion 55 toward the punch 3.
  • the lower end surface 55 a of the first flat plate portion 55 contacts the upper surface of the magnet body 30.
  • An end surface 56 a on the punch 3 side of the second flat plate portion 56 contacts the punch 3.
  • An end surface 56 a of the second flat plate portion 56 that comes into contact with the punch 3 is formed along the tooth surface of the punch 3.
  • the pair of contact portions 53 are connected to each other by a connecting portion (not shown) at the end in the width direction of the magnet body 30.
  • the connecting portion prevents the pair of contact portions 53 from relatively shifting in the width direction of the magnet body 30, and enables the contact portions 53 to move in the longitudinal direction of the magnet body 30.
  • the magnet body breaking device 50 lowers the punch 3 from the initial position, and as shown in FIG. 7B, the punch 3 spreads between the contact portions 53 in the longitudinal direction of the magnet body 30, thereby The distance between 53 is lengthened.
  • the contact portion 53 moves to the end 30a side in the longitudinal direction of the magnet body 30, the magnet body 30 is magnetized by friction between the first flat plate portion 55 of the contact portion 53 and the magnet body 30, as shown in FIG. 7B. It is pushed toward the end 30a in the longitudinal direction of 30 and stress is applied. That is, when the punch 3 is lowered, a force that pushes the magnet body 30 in the opposite direction across the punch 3 is generated by the contact portion 53.
  • the magnet body cleaving device 50 further lowers the punch 3 and cleaves the magnet body 30 with the punch 3.
  • the magnet body cleaving device 50 applies a stress to the magnet body 30 toward the end 30 a in the longitudinal direction of the magnet body 30 by the pressing portion 51, and reduces the compressive stress on the upper surface side of the magnet body 30. Cleave.
  • the contact portion 53 When the punch 3 is lifted after the magnet body 30 is cut, the contact portion 53 is pulled toward the punch 3 by the restoring force of the spring 54, and the contact portion 53 returns to the original position.
  • the pair of contact portions 53 may be connected by another elastic member such as a spring, and the contact portions 53 may be biased toward the punch 3 by the elastic member.
  • the contact portion 53 may be divided into a plurality of portions in the width direction of the magnet body 30.
  • the punch 3 By crushing the magnet body 30 with the punch 3 while applying stress to the magnet body 30 toward the longitudinal end 30a of the magnet body 30 by the pressing portion 51, the progress of the crack is prevented from deviating from the planned cutting surface.
  • the cut section of the magnet body 30 can be smoothed.
  • the working process can be reduced by applying stress to the magnet body 30 toward the end 30a in the longitudinal direction of the magnet body 30 by the pressing portion 51 in conjunction with the lowering of the punch 3. Further, the magnet body breaking device 50 can be reduced in size.
  • FIG. 8 is a schematic configuration diagram of the magnet body cleaving apparatus according to the third embodiment.
  • the third embodiment is different from the first embodiment in the magnet cleaving device.
  • the magnet body breaking device 60 according to the present embodiment includes a pair of dies 2, a punch 3, and a pressing portion 61.
  • the pressing portion 61 includes a contact portion 62 and a spring 63 that connects the contact portion 62 and the punch 3. A pair of pressing portions 61 are arranged with the punch 3 interposed therebetween.
  • the end surface 62 b on the punch 3 side of the abutting portion 62 is connected to the punch 3 through a spring 63.
  • the spring 63 connects the tooth surface of the punch 3 and the pressing portion 61, and is inclined with respect to the vertical direction in which the punch 3 moves so that the distance from the tooth surface becomes longer toward the magnet body 30 side.
  • the pressing portion 61 is provided so as to extend obliquely from the tooth surface of the punch 3 toward the magnet body 30.
  • the magnet cleaving device 60 applies stress to the magnet body 30 toward the end 30a in the longitudinal direction of the magnet body 30 by the pressing portion 61, and cleaves the magnet in a state where the compressive stress on the upper surface side of the magnet body 30 is reduced. To do.
  • the punch 3 By crushing the magnet body 30 by the punch 3 while applying stress to the magnet body 30 toward the longitudinal end 30a of the magnet body 30 by the pressing portion 61, the progress of the crack is prevented from deviating from the planned cutting surface.
  • the cut section of the magnet body 30 can be smoothed.
  • Working steps can be reduced by applying stress to the magnet body 30 toward the end 30a in the longitudinal direction of the magnet body 30 by the pressing portion 61 in conjunction with the lowering of the punch 3.
  • the magnet body breaking device 60 can be reduced in size.
  • FIG. 10 is a schematic configuration diagram of the magnet body cleaving apparatus according to the fourth embodiment.
  • the fourth embodiment is different from the first embodiment in the magnet cleaving device 70.
  • the magnet body breaking device 70 includes a pair of dies 71 and a punch 3.
  • the die 71 is moved in the longitudinal direction of the magnet body 30 by a motor (not shown).
  • the moving direction of the pair of dies 71 is the reverse direction.
  • one die 71 moves toward the longitudinal end 30a of the magnet body 30, that is, when the distance from the punch 3 is increased in the longitudinal direction of the magnet body 30, the other die 71 is moved.
  • the die 71 also moves so that the distance from the punch 3 becomes longer in the longitudinal direction of the magnet body 30.
  • the upper surface of the die 71 is in contact with the lower surface of the magnet body 30, and when the die 71 moves so as to increase the distance from the punch 3 in the longitudinal direction of the magnet body 30, the magnet is caused by friction between the die 71 and the magnet body 30. Stress is applied to the magnet body 30 toward the end 30 a in the longitudinal direction of the body 30.
  • the magnet body cleaving device 70 cleaves the magnet body 30 in a state where stress is applied toward the end 30 a in the longitudinal direction of the magnet body 30 by the die 71.
  • the magnet body 30 By cleaving the magnet body 30 with the punch 3 in a state where stress is applied to the magnet body 30 toward the longitudinal end 30a of the magnet body 30 by the die 71, it is possible to prevent the progress of cracks from deviating from the planned cutting surface. In addition, the cut section of the magnet body 30 can be smoothed.
  • the magnet body cleaving device 70 By applying stress to the magnet body 30 toward the end 30a in the longitudinal direction of the magnet body 30 by the die 71, the magnet body cleaving device 70 can be reduced in size.
  • FIG. 11 is a schematic configuration diagram of the magnet body cleaving apparatus according to the fifth embodiment. 5th Embodiment differs in the die
  • the die 91 has a substantially cylindrical cross section perpendicular to the width direction of the magnet body 30 and is rotated around an axis extending in the width direction of the magnet body 30 by a motor (not shown).
  • the rotation direction of the pair of dies 91 is opposite. Specifically, when one die 91 rotates so as to move the magnet body 30 away from the punch 3, the other die 91 rotates in the opposite direction to the one die 91, and the magnet body 30 is moved away from the punch 3. Rotate away.
  • the magnet body cleaving device 90 cleaves the magnet body 30 in a state where stress is applied to the magnet body 30 toward the longitudinal end 30 a of the magnet body 30 by the die 91.
  • the cut section of the magnet body 30 can be smoothed.
  • the magnet body breaking device 90 By applying a stress to the magnet body 30 toward the end 30a in the longitudinal direction of the magnet body 30 by the die 91, the magnet body breaking device 90 can be reduced in size.
  • a notch groove that is a fragile portion that is a starting point of cleaving may be formed in advance in a portion of the magnet body 30 to be cleaved.
  • the notch groove to be provided is deeper from the surface and the sharpness of the tip of the notch groove is sharper, the flatness of the cut section when cleaved as the magnet piece 31 is improved.
  • a method of forming the notch groove a method of providing in the molding process of the magnet body 30 by a groove forming protrusion provided in the mold of the magnet body 30, a method of machining such as a dicer or a slicer, a method of laser beam irradiation And wire cut electric discharge machining.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

L'invention concerne un procédé de fabrication de pièces d'aimant pour un aimant à pôle de champ par découpe d'un aimant le long d'un plan de coupe planifiée positionné perpendiculairement à la direction de la longueur dudit aimant. L'aimant est coupé par l'ajout de contrainte de flexion à celui-ci tout en appliquant une contrainte à partir du plan de coupe planifiée vers les extrémités dans le sens de la longueur de l'aimant.
PCT/JP2013/053966 2012-02-21 2013-02-19 Procédé et dispositif pour la fabrication de pièces d'aimant pour aimant à pôle de champ WO2013125513A1 (fr)

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JP2012-035068 2012-02-21
JP2012035068A JP5994280B2 (ja) 2012-02-21 2012-02-21 界磁極用磁石体を構成する磁石片の製造方法および製造装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105594107A (zh) * 2013-10-09 2016-05-18 日产自动车株式会社 制造用于构成被配设于旋转电机的场磁极用磁体的磁体片的制造方法和制造装置
CN109421181A (zh) * 2017-08-29 2019-03-05 三星钻石工业股份有限公司 断裂装置

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WO2006073098A1 (fr) * 2005-01-05 2006-07-13 Thk Co., Ltd. Procede et dispositif destines a briser un ouvrage, procede destine a rainurer et briser un ouvrage et dispositif de rainurage avec fonction de bris
WO2010038748A1 (fr) * 2008-10-02 2010-04-08 日産自動車株式会社 Aimant à pole de champ, procédé de fabrication d’aimant à pôle de champ et machine rotative à aimant permanent
WO2011145433A1 (fr) * 2010-05-19 2011-11-24 日産自動車株式会社 Aimant permanent associé à une machine dynamo-électrique et son procédé de fabrication
JP2011259701A (ja) * 2007-06-29 2011-12-22 Nissan Motor Co Ltd 界磁極用磁石体、この界磁用磁石体の作製方法、及び永久磁石型回転電機

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JPS5865329U (ja) * 1981-10-27 1983-05-02 株式会社リコー 板状ガラス等の切断装置
CN102332759A (zh) * 2011-09-02 2012-01-25 中国船舶重工集团公司第七0七研究所 铁芯为无槽分割式结构的永磁电机定子及其制造方法

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WO2006073098A1 (fr) * 2005-01-05 2006-07-13 Thk Co., Ltd. Procede et dispositif destines a briser un ouvrage, procede destine a rainurer et briser un ouvrage et dispositif de rainurage avec fonction de bris
JP2011259701A (ja) * 2007-06-29 2011-12-22 Nissan Motor Co Ltd 界磁極用磁石体、この界磁用磁石体の作製方法、及び永久磁石型回転電機
WO2010038748A1 (fr) * 2008-10-02 2010-04-08 日産自動車株式会社 Aimant à pole de champ, procédé de fabrication d’aimant à pôle de champ et machine rotative à aimant permanent
WO2011145433A1 (fr) * 2010-05-19 2011-11-24 日産自動車株式会社 Aimant permanent associé à une machine dynamo-électrique et son procédé de fabrication

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105594107A (zh) * 2013-10-09 2016-05-18 日产自动车株式会社 制造用于构成被配设于旋转电机的场磁极用磁体的磁体片的制造方法和制造装置
EP3057207A4 (fr) * 2013-10-09 2016-09-14 Nissan Motor Procédé et dispositif pour fabriquer des pièces d'aimant qui configurent un aimant à pièce polaire destiné à être agencé dans une machine rotative
US10279504B2 (en) 2013-10-09 2019-05-07 Nissan Motor Co., Ltd. Manufacture method and manufacturing device for manufacturing magnet piece constituting magnet body for field pole disposed on rotating electric machine
CN109421181A (zh) * 2017-08-29 2019-03-05 三星钻石工业股份有限公司 断裂装置

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