WO2017199703A1 - Feuilletage de tôles métalliques et son procédé de fabrication - Google Patents

Feuilletage de tôles métalliques et son procédé de fabrication Download PDF

Info

Publication number
WO2017199703A1
WO2017199703A1 PCT/JP2017/016296 JP2017016296W WO2017199703A1 WO 2017199703 A1 WO2017199703 A1 WO 2017199703A1 JP 2017016296 W JP2017016296 W JP 2017016296W WO 2017199703 A1 WO2017199703 A1 WO 2017199703A1
Authority
WO
WIPO (PCT)
Prior art keywords
laminated
metal plate
insulating sheet
plate laminate
aramid
Prior art date
Application number
PCT/JP2017/016296
Other languages
English (en)
Japanese (ja)
Inventor
孝一 浮ヶ谷
成瀬　新二
竜士 藤森
千尋 近藤
田中　康紀
Original Assignee
デュポン帝人アドバンスドペーパー株式会社
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 デュポン帝人アドバンスドペーパー株式会社 filed Critical デュポン帝人アドバンスドペーパー株式会社
Priority to KR1020187036570A priority Critical patent/KR20190007496A/ko
Priority to CN201780031210.9A priority patent/CN109155575B/zh
Publication of WO2017199703A1 publication Critical patent/WO2017199703A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/16—Stator cores with slots for windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/26—Rotor cores with slots for windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/10—Applying solid insulation to windings, stators or rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • 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 laminate in which a plurality of metal plates are laminated, and a metal plate laminate in which a skew is introduced after inserting an insulating sheet mainly made of aramid paper into a slot, and a method for manufacturing the metal plate laminate, particularly a rotor or a fixing in a motor
  • the present invention relates to a child and a manufacturing method thereof.
  • a sheet-like insulating material or resin coating is used to insulate the slot from the coil.
  • an insulating layer is formed by resin coating, a method of fixing at high temperature after spraying a thermosetting resin powder is often used.
  • a dust-proof facility considering the safety of workers and a curing furnace used for curing after spraying the resin are required.
  • energy consumption is also large.
  • an insulating layer having a uniform thickness can be formed on a smooth surface, but in the case of an intricate structure such as a slot, it has corners such as the end of the slot.
  • the insulating layer in the part tends to be thin. Therefore, although it is necessary to set the thickness at the time of powder resin spraying as a whole as a whole, when the insulating layer becomes thick, the space factor of the coil is reduced accordingly, and there is a problem that the efficiency is lowered.
  • the strip-like sheet-like insulating material is inserted into the slot of the stator or rotor in a state of being curved along the shape of the slot.
  • the motor can be made smaller and more efficient.
  • continuous insertion by an automatic insertion machine having excellent efficiency is widely used.
  • a slot subjected to skew since the shape of the slot is not linear, it is difficult to insert a sheet-like insulating material by an automatic insertion machine. Therefore, as disclosed in Japanese Patent Application Laid-Open No.
  • a resin film such as a polyethylene naphthalate film or a polyethylene terephthalate film is used for the insulating sheet.
  • these resin films are used alone, there is a problem that the corners and burrs of the slot openings are the starting points, and the resin film is likely to be torn or torn.
  • Japanese Patent Application Laid-Open No. 2006-197662 discloses a skewed stator using a laminated film of a polyethylene naphthalate (PEN) film and a polyphenylene sulfide (PPS) film as an insulating sheet.
  • PEN polyethylene naphthalate
  • PPS polyphenylene sulfide
  • the present invention provides a metal laminate in which a high heat-resistant insulating sheet composed of aramid paper and a resin film is applied to a slot of a skewed metal plate laminate, a manufacturing method thereof, and a rotor and a stator.
  • the purpose is to do.
  • the present invention includes the following aspects. 1. A step of laminating a plurality of metal plates, wherein the laminated metal plates have slots parallel to the thickness direction of the metal plates; Inserting a laminated insulating sheet formed by laminating aramid paper and a resin film into the slot; Introducing skew by rotating the stacked metal plates at different angles; The manufacturing method of the metal plate laminated body containing this. 2. The method for producing a metal plate laminate according to 1 above, wherein the laminated insulating sheet has a two-layer structure in which aramid paper is laminated on one side of a resin film. 3.
  • a laminated insulating sheet comprising at least one layer each of aramid paper and a resin film inserted into the slot;
  • a metal plate laminate comprising: 7).
  • Said (b) laminated insulating sheet is a metal plate laminated body of said 6 which is a 2 layer structure which laminated
  • FIG. 2 is a metal plate laminate model of Example 1.
  • FIG. It is a photograph of the metal plate laminated body in which skew was formed. It is sectional drawing which showed an example of the laminated insulation sheet of a 3 layer structure.
  • the laminated insulating sheet is a laminated sheet having a layer structure of at least two layers in which one or both sides of a resin film are bonded to aramid paper.
  • FIG. 3 is a cross-sectional view showing an example of a laminated insulating sheet having a three-layer structure.
  • the laminated insulating sheet 10 has a three-layer structure of aramid paper-resin film-aramid paper in which the aramid paper 11 is adhered to the front and back surfaces of the resin film 12, respectively.
  • the thickness of the insulating laminated sheet is preferably 30 ⁇ m to 2000 ⁇ m, preferably 35 ⁇ m to 600 ⁇ m, and more preferably 40 ⁇ m to 200 ⁇ m.
  • the elongation at break of the laminated insulating sheet at room temperature is preferably 15% or more, more preferably 20% or more. Since a two-layer product in which one resin film and one aramid paper are bonded together can provide a thin insulating layer, miniaturization of motors and generators can be expected. Since aramid paper is superior in long-term heat resistance as compared with general-purpose resin films, it is preferable to arrange aramid paper on the higher temperature side. A three-layer laminated insulating sheet having a structure in which one resin film is sandwiched between two sheets of aramid paper has an advantage of having a target structure in the thickness direction, and thus is less likely to warp after bonding. Therefore, it is suitable for use in an automatic insertion machine.
  • Adhesive can be used for adhesion of the aramid paper to the resin film.
  • the adhesive is not particularly limited, and a commercially available epoxy resin-based, phenol resin-based or acrylic resin-based curing type adhesive can be used.
  • the adhesive can be applied or impregnated on one or both surfaces of the resin film and the aramid paper, and the resin film and the aramid paper can be bonded and bonded.
  • aramid means a linear polymer compound in which 60% or more of amide bonds are directly bonded to an aromatic ring.
  • examples of such aramids include polymetaphenylene isophthalamide and copolymers thereof, polyparaphenylene terephthalamide and copolymers thereof, and copolyparaphenylene 3,4'-diphenyl ether terephthalamide.
  • These aramids are industrially produced by, for example, a solution polymerization method by a condensation reaction with an aromatic acid dichloride and an aromatic diamine, a two-step interfacial polymerization method, etc., and can be obtained as a commercial product.
  • the present invention is not limited to this.
  • polymetaphenylene isophthalamide is preferable in that it has good molding processability, flame retardancy, heat resistance, and the like.
  • an aramid fibrid is a film-like fine particle made of aramid and may be referred to as an aramid pulp.
  • Examples of the production method include those described in JP-B-35-11851, JP-B-37-5732, and the like.
  • aramid fibrids have paper-making properties like ordinary wood pulp, it can be formed into a sheet by a paper machine after being dispersed in water.
  • a so-called beating process can be performed for the purpose of maintaining quality suitable for papermaking. This beating process can be performed by a disk refiner, a beater, or other papermaking raw material processing equipment that exerts a mechanical cutting action.
  • the shape change of the fibrid can be monitored with the freeness as defined in JIS P8121.
  • the freeness of the aramid fibrid after the beating treatment is preferably in the range of 10 to 300 cm 3 (Canadian Standard Freeness).
  • the freeness By controlling the freeness to 300 cm 3 or less, the strength of the sheet molded therefrom is increased.
  • By setting the freeness to 10 cm 3 or more it is possible to increase the utilization efficiency of the mechanical power to be input, and to increase the throughput per unit time. Furthermore, moderate refinement
  • the aramid short fiber is obtained by cutting a fiber made of aramid into a predetermined length.
  • a fiber made of aramid examples include DuPont's “Nomex (registered trademark)”, “Kevlar ( Registered trademark), Teijin's “Conex (registered trademark)", “Technola (registered trademark)", and the like, but are not limited thereto.
  • the aramid short fibers can preferably have a fineness within a range of 0.05 dtex or more and less than 25 dtex.
  • Fibers having a fineness of 0.05 dtex or more are less likely to agglomerate during production by a wet method (described later), and fibers having a fineness of less than 25 dtex have an appropriate fiber diameter.
  • the density is 1.4 g / cm with a perfect circle shape
  • the diameter is 45 microns or more
  • the aspect ratio may be reduced, the mechanical reinforcement effect may be reduced, and the uniformity of the aramid paper may be deteriorated.
  • the length of the aramid short fibers is preferably selected from the range of 1 mm or more and less than 25 mm.
  • the length of the short fiber is 1 mm or more, the mechanical properties of the aramid paper will be sufficient, and if it is less than 25 mm, the occurrence of “entanglement” and “binding” will occur during the production of the aramid paper by the wet method described later. Can be suppressed.
  • the aramid paper is a sheet-like material mainly composed of the aramid fibrid and the aramid short fiber, and generally has a thickness of 20 ⁇ m to 1000 ⁇ m, preferably 25 ⁇ m to 500 ⁇ m, more preferably 30 ⁇ m to It has a thickness of 100 ⁇ m. Furthermore, the aramid paper generally has a basis weight of 10 g / m 2 to 1000 g / m 2 , preferably 15 g / m 2 to 400 g / m 2 , more preferably 20 g / m 2 to 100 g / m 2. Have.
  • the mixing ratio of the aramid fibrid and the aramid short fiber can be arbitrary, but the ratio (mass ratio) of the aramid fibrid / aramid short fiber is preferably 1/9 to 9/1, more Although it is preferably 2/8 to 8/2, it is not limited to this range.
  • Aramid paper is generally produced by a method of mixing the above-mentioned aramid fibrid and aramid short fibers and then forming a sheet.
  • a method of forming a sheet using an air flow after dry blending the aramid fibrid and the aramid short fiber, a method of forming a sheet using an air flow, after the aramid fibrid and the aramid short fiber are dispersed and mixed in a liquid medium, the liquid permeation is performed.
  • a so-called wet papermaking method using water as a medium is preferably selected.
  • a single or mixed aqueous slurry containing at least aramid fibrids and aramid short fibers is fed to a paper machine and dispersed, then dewatered, squeezed and dried to be wound as a sheet. Is common.
  • a long paper machine As the paper machine, a long paper machine, a circular paper machine, an inclined paper machine, and a combination paper machine combining these are used.
  • a composite sheet composed of a plurality of paper layers can be obtained by forming and combining slurry having different blending ratios.
  • Additives such as a dispersibility improver, an antifoaming agent, and a paper strength enhancer are used as necessary during papermaking.
  • the aramid paper obtained as described above can be improved in density and mechanical strength by hot pressing at high temperature and high pressure between a pair of rolls. Examples of the hot pressure conditions include, but are not limited to, when using a metal roll, a temperature of 100 to 400 ° C. and a linear pressure of 50 to 400 kg / cm.
  • a plurality of aramid papers can be laminated during hot pressing. The above hot pressing can be performed a plurality of times in an arbitrary order.
  • a polyethylene terephthalate film, a polyethylene naphthalate film, or a polyphenylene sulfide film can be used as the resin film.
  • the resin film preferably has a breaking elongation of 60% or more at normal temperature, more preferably 100% or more, and even more preferably 150% or more, and the thickness is not particularly limited.
  • the thickness is preferably 10 ⁇ m to 1000 ⁇ m, more preferably 20 ⁇ m to 600 ⁇ m, more preferably 30 ⁇ m to 200 ⁇ m, and more preferably 30 ⁇ m to 100 ⁇ m.
  • Such films include, for example, “Teflex (registered trademark)”, “Teijin (registered trademark) Tetron (registered trademark), film”, “Teonex (registered trademark)”, Toray ( “Torelina (registered trademark) film” of the company etc. can be illustrated, but is not limited to these.
  • a motor is a device that converts electrical energy into mechanical energy using magnetic repulsion between a rotor and a stator.
  • motors and small motors such as automobiles
  • a metal conductor or a magnet is used for the rotor or the stator, but a metal plate laminate in which thin steel plates are laminated is used in order to reduce eddy current loss.
  • a method of fixing the laminated metal plates there are a method of applying and bonding an adhesive to each metal plate, and a method of integrating by applying force in the axial direction of the laminated body. Further, in order to protect the coil and suppress the leakage current, it is necessary to provide an insulating layer between the coil and the stator or between the coil and the rotor. The optimum insulating layer is selected depending on the applied voltage and the amount of heat generated. In the present invention, a laminated insulating sheet containing aramid paper and a resin film is used for a plurality of metal plate laminates.
  • the coil is inserted after the skew is formed.
  • Another method of imparting skew is a method of imparting skew by shifting each laminated plate after laminating metal plates without shifting.
  • the method of shifting the laminated plates is to form irregularities on each laminated plate in advance so that it rotates by a certain angle, and then twisting the uppermost layer and the lowermost layer after lamination, or all laminated laminates
  • the coil may be inserted before or after the skew is applied.
  • a polymetaphenylene isophthalamide fibrid was produced using a pulp particle production apparatus (wet precipitation machine) composed of a combination of a stator and a rotor described in JP-A-52-15621. This was processed with a disaggregator and a beater to adjust the length weighted average fiber length to 0.9 mm. The freeness of the obtained aramid fibrid was 90 cm 3 . Meanwhile, a DuPont meta-aramid fiber (Nomex (registered trademark), single yarn fineness 2 denier) was cut into a length of 6 mm (hereinafter referred to as “aramid short fiber”).
  • aramid short fiber a DuPont meta-aramid fiber
  • Example 1 Aramid paper (basis weight: 27.2 g / m 2 , thickness: 0.042 mm, density: 0.64 g / cm 3 ) and polyethylene terephthalate film (Teijin DuPont Films Ltd.) prepared by the method described in Reference Example “Teflex (registered trademark) FT, thickness 50 ⁇ m”, elongation at break at room temperature 220%) was bonded together with an adhesive to obtain a three-layer laminate of aramid paper-polyethylene terephthalate film-aramid paper. The main characteristics of the laminate thus obtained were evaluated by the following methods.
  • Each metal plate is provided with a slot 2 at the same position on the circumference. Screw holes 7 are formed in the upper lid 4 and the lower base 6 on the upper side of the slot 2.
  • a rotation column connected to the upper lid 4 rotates each metal plate by the same angle, thereby forming a skew.
  • the strip-shaped laminated insulating sheet 8 with holes 9 was inserted along the curved surface of the slot 2 and fixed with screws and washers in accordance with the holes 9 of the laminated insulating sheet, the upper lid 4 and the holes 7 of the base 6. The presence or absence of breakage of the laminated insulating sheet 8 was investigated by rotating the handle to 60 °.
  • Example 2 Aramid paper (basis weight: 41.2 g / m 2 , thickness: 0.058 mm, density: 0.71 g / cm 3 ) and polyethylene terephthalate film (Teijin DuPont Films Ltd.) produced by the method described in Reference Example “Teflex (registered trademark) FT, thickness: 80 ⁇ m”, elongation at break at room temperature: 220%) was bonded with an adhesive to obtain a two-layer laminate of an aramid paper-polyethylene terephthalate film. The main characteristics of the laminate thus obtained were evaluated in the same manner as in Example 1.
  • the obtained three-layer insulating sheet has a structure in which aramid paper is provided on the surface, it is expected to be used for a rotor or a stator of a motor that requires high heat resistance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un feuilletage de tôles métalliques, ce procédé comprenant : une étape dans laquelle plusieurs tôles métalliques sont empilées, les tôles métalliques empilées présentant une encoche parallèle au sens de l'épaisseur des tôles métalliques; une étape dans laquelle une feuille isolante de feuilletage, formée par stratification de papier aramide et d'un film de résine est insérée dans les encoches; et une étape dans laquelle les tôles métalliques empilées sont pivotées et leur angle est modifié, permettant ainsi l'introduction d'un désalignement.
PCT/JP2017/016296 2016-05-20 2017-04-25 Feuilletage de tôles métalliques et son procédé de fabrication WO2017199703A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020187036570A KR20190007496A (ko) 2016-05-20 2017-04-25 금속판 적층체 및 그 제조 방법
CN201780031210.9A CN109155575B (zh) 2016-05-20 2017-04-25 金属板层叠体和其制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-101680 2016-05-20
JP2016101680A JP7004491B2 (ja) 2016-05-20 2016-05-20 金属板積層体及びその製造方法

Publications (1)

Publication Number Publication Date
WO2017199703A1 true WO2017199703A1 (fr) 2017-11-23

Family

ID=60324994

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/016296 WO2017199703A1 (fr) 2016-05-20 2017-04-25 Feuilletage de tôles métalliques et son procédé de fabrication

Country Status (5)

Country Link
JP (1) JP7004491B2 (fr)
KR (1) KR20190007496A (fr)
CN (1) CN109155575B (fr)
TW (1) TWI731071B (fr)
WO (1) WO2017199703A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022065227A1 (fr) * 2020-09-24 2022-03-31 東レ株式会社 Stratifié

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020116383A1 (de) * 2020-06-22 2021-12-23 Valeo Siemens Eautomotive Germany Gmbh Verfahren zur Herstellung eines geschrägten Stators
FR3125366A1 (fr) * 2021-07-13 2023-01-20 Nidec Psa Emotors Stator de machine électrique tournante et procédé de fabrication
FR3125365A1 (fr) * 2021-07-13 2023-01-20 Nidec Psa Emotors Stator de machine électrique tournante et procédé de fabrication

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006197662A (ja) * 2005-01-11 2006-07-27 Matsushita Electric Ind Co Ltd スキュー付固定子
WO2010150669A1 (fr) * 2009-06-22 2010-12-29 河村産業株式会社 Feuille isolante de moteur électrique et son procédé de fabrication
WO2013133337A1 (fr) * 2012-03-07 2013-09-12 デュポン帝人アドバンスドペーパー株式会社 Bobine de moteur

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1501371A (en) * 1973-10-30 1978-02-15 Sbw Engs Ltd Electromagnetic device and method of manufacturing same
JPS55147960A (en) * 1979-05-04 1980-11-18 Hitachi Ltd Stator for resin molded motor and manufacture the same
JP3267815B2 (ja) * 1994-09-30 2002-03-25 帝人株式会社 積層シートの製造法
JP2002369418A (ja) * 2001-06-04 2002-12-20 Nissan Motor Co Ltd 電動機のステータ構造
JP2003153472A (ja) * 2001-08-30 2003-05-23 Yukio Kinoshita 回転電機及び電磁機器
JP2006223065A (ja) * 2005-02-14 2006-08-24 Matsushita Electric Ind Co Ltd 電動機の製造方法およびその固定子
JP2008072838A (ja) * 2006-09-14 2008-03-27 Matsushita Electric Ind Co Ltd スキュー付固定子の製造方法および電動圧縮機
JP2008119999A (ja) * 2006-11-14 2008-05-29 Nitto Shinko Kk 積層シート
JP4933281B2 (ja) 2007-01-17 2012-05-16 日東シンコー株式会社 モーター用絶縁紙
US8981614B2 (en) 2009-07-28 2015-03-17 Mitsubishi Electric Corporation Stator for electrical rotating machine
JP2012034461A (ja) * 2010-07-29 2012-02-16 Shicoh Engineering Co Ltd コアレス電機子の絶縁膜形成方法、発電機及びモータ
JP5695937B2 (ja) * 2011-03-01 2015-04-08 日東シンコー株式会社 モータ用絶縁シート
DE112011105199T5 (de) * 2011-04-29 2014-01-30 Mitsubishi Electric Corporation Laminierter Eisenkern für einen Linearmotor und zugehöriges Herstellungsverfahren
JP6255227B2 (ja) 2013-12-04 2017-12-27 日東シンコー株式会社 モーター用絶縁シート
JP2015122861A (ja) 2013-12-24 2015-07-02 トヨタ自動車株式会社 ステータ用絶縁紙
JP2016059090A (ja) * 2014-09-05 2016-04-21 日立オートモティブシステムズ株式会社 回転電機のステータ、およびこれを備えた回転電機。

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006197662A (ja) * 2005-01-11 2006-07-27 Matsushita Electric Ind Co Ltd スキュー付固定子
WO2010150669A1 (fr) * 2009-06-22 2010-12-29 河村産業株式会社 Feuille isolante de moteur électrique et son procédé de fabrication
WO2013133337A1 (fr) * 2012-03-07 2013-09-12 デュポン帝人アドバンスドペーパー株式会社 Bobine de moteur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022065227A1 (fr) * 2020-09-24 2022-03-31 東レ株式会社 Stratifié
JP7088419B1 (ja) * 2020-09-24 2022-06-21 東レ株式会社 積層体

Also Published As

Publication number Publication date
TW201743543A (zh) 2017-12-16
CN109155575A (zh) 2019-01-04
JP7004491B2 (ja) 2022-01-21
TWI731071B (zh) 2021-06-21
CN109155575B (zh) 2022-08-19
KR20190007496A (ko) 2019-01-22
JP2017208984A (ja) 2017-11-24

Similar Documents

Publication Publication Date Title
WO2017199703A1 (fr) Feuilletage de tôles métalliques et son procédé de fabrication
TWI737838B (zh) 絕緣部件及其製造方法
TWI617717B (zh) Conductive aromatic polyamide paper and method of producing the same
US10050486B2 (en) Motor bobbin
US9808972B2 (en) Motor bobbin and method for manufacturing same
WO2013157538A1 (fr) Stratifié de papier d'aramide-film de résine et procédé de production associé
WO2016190163A1 (fr) Feuille de papier d'aramide et son procédé de production
JP6119076B2 (ja) モータ用ボビン
JP2000034693A (ja) 複合体シートおよびその製造方法
WO2017159131A1 (fr) Stratifié constitué d'une feuille de papier à base d'aramide et d'un film de polyimide et son procédé de fabrication
WO2013065467A1 (fr) Stratifié aramide-polyoléfine
JP2018068104A (ja) モータ用ボビン及びその製造方法
JP7183073B2 (ja) アラミド紙の製造方法

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17799133

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20187036570

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 17799133

Country of ref document: EP

Kind code of ref document: A1