WO2012137235A1 - Rotor pour moteur à induction et procédé de fabrication d'un rotor pour moteur à induction - Google Patents

Rotor pour moteur à induction et procédé de fabrication d'un rotor pour moteur à induction Download PDF

Info

Publication number
WO2012137235A1
WO2012137235A1 PCT/JP2011/001983 JP2011001983W WO2012137235A1 WO 2012137235 A1 WO2012137235 A1 WO 2012137235A1 JP 2011001983 W JP2011001983 W JP 2011001983W WO 2012137235 A1 WO2012137235 A1 WO 2012137235A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
induction motor
protective ring
ring
manufacturing
Prior art date
Application number
PCT/JP2011/001983
Other languages
English (en)
Japanese (ja)
Inventor
秀理 城野
小川　徹
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2013508615A priority Critical patent/JP5484633B2/ja
Priority to PCT/JP2011/001983 priority patent/WO2012137235A1/fr
Publication of WO2012137235A1 publication Critical patent/WO2012137235A1/fr

Links

Images

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
    • H02K15/0012—Manufacturing cage rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
    • H02K17/20—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having deep-bar rotors

Definitions

  • the present invention relates to a rotor structure for an induction motor and a method for manufacturing a rotor for an induction motor.
  • a conventional induction motor rotor electrically connects (short-circuits) a rotor core in which electromagnetic steel plates having a plurality of slot grooves are laminated, a rotor conductor provided in each slot groove, and each rotor conductor. It is comprised by the end ring, and a rotor and a rotating shaft rotate integrally (for example, refer patent document 1).
  • induction motors particularly induction motors used in machine tools, have been used for high-speed rotation, and when the induction motor is used in a high-speed rotation range, excessive stress due to centrifugal force is generated in the rotor itself.
  • an end ring made of an aluminum-based metal is weak in mechanical strength, and therefore, deformation and destruction of the end ring occur due to stress due to centrifugal force. Therefore, in the rotor of an induction motor used for high-speed rotation applications, a structure for protecting an end ring using a protective ring made of a material having high mechanical strength such as iron or stainless steel is required (for example, see Patent Document 2). ).
  • the protective ring protects the end ring from deformation and breakage during high-speed rotation by pressing the end ring from one direction in the outer diameter direction.
  • a high-rigidity material such as expensive iron or stainless steel is required to manufacture the protective ring, and high positioning accuracy and work accuracy enabling it are required when the protective ring is attached. For this reason, there are problems such as an increase in manufacturing cost, an increase in the number of parts, and a complicated manufacturing process in the rotor.
  • the present invention has been made to solve the above-described problems, and its object is to provide an end ring protection structure capable of solving an increase in the manufacturing cost, the number of parts, and the complexity of the manufacturing process that occur when a rotor is manufactured. Is to obtain a rotor of an induction motor equipped with
  • a rotating shaft In the rotor of the induction motor according to the present invention, a rotating shaft, a rotor core composed of a plurality of laminated plates, a plurality of slot grooves formed so as to penetrate the rotor core, and the inside of each slot groove Protects the outer periphery of the rotor conduction part and the rotor conduction part provided on the end surface in the axial end direction of the rotor core so as to be electrically connected to each rotor conductor part.
  • a protective ring comprising a second protective ring for preventing contact between the first protective ring and the inner periphery of the rotor conducting portion and the rotation shaft, and an end plate provided on an end surface in the axial end portion direction of the protective ring;
  • the protection ring is composed of a plurality of laminated plates.
  • the protective ring can be manufactured using the same laminated material as that of the rotor core, no separate processing from a metal lump is required for manufacturing the protective ring. Therefore, it is possible to manufacture a protection ring at a low cost.
  • BRIEF DESCRIPTION OF THE DRAWINGS It is a cross-sectional view of the rotor of the induction motor which shows Example 1 of this invention. It is a side view of the rotor of the induction motor which shows Example 1 of this invention. It is sectional drawing of the rotor of the induction motor which shows Example 1 of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a cross-sectional view of the rotor of the induction motor which shows Example 1 of this invention. It is a cross-sectional view of the rotor of the induction motor which shows Example 2 of this invention. It is a side view of the rotor of the induction motor which shows Example 2 of this invention.
  • FIG. 10 is a structural diagram of a rotor caulking of an induction motor showing Embodiment 5 of the present invention.
  • FIG. 10 is a structural diagram of a rotor caulking of an induction motor showing Embodiment 5 of the present invention. It is a cross-sectional view of the rotor of the induction motor which shows Example 6 of this invention. It is a cross-sectional view of the rotor of the induction motor which shows Example 6 of this invention.
  • Example 1 is a cross-sectional view of a rotor of an induction motor showing Embodiment 1 of the present invention
  • FIG. 2 is a side view of the rotor of the induction motor showing Embodiment 1 of the present invention.
  • FIG. 3 is a cross-sectional view taken along a cross-section CC ′ (end ring—rotor core boundary surface) in the cross-sectional view of the rotor of the induction motor shown in FIG.
  • reference numeral 1 denotes a rotor core in which a plurality of electromagnetic steel sheets having a plurality of slot grooves are laminated
  • 2 denotes a plurality of slot grooves formed so as to penetrate the rotor core 1
  • 3 denotes a plurality of rotations.
  • a plurality of rotor conductors made of aluminum-based metal that pass through the inside of each slot groove 2, 4 is a rotor conduction portion, and each rotor conductor 3 is turned on in order to conduct (short-circuit).
  • An annular end ring 5 made of an aluminum-based metal formed so as to be in contact with the end surface of the child conductor 3 in the axial end portion direction is a rotating shaft 5 made of an iron-based metal.
  • the inner diameter side protective ring 7b is composed of two protective rings.
  • 8 is an end plate formed by laminating a plurality of electromagnetic steel plates, and 9 is a plurality of through grooves for injecting aluminum-based metal formed on the end plate 8.
  • the rotor of the induction motor shown in FIG. 1 includes a step of manufacturing a rotor core 1 by stacking a plurality of plates such that a plurality of slot grooves 2 are formed before and after stacking, and a shaft end of the rotor core 1.
  • a step of manufacturing the protective ring 7 by further laminating a plurality of plates on the end surface in the axial end portion direction of the rotor core 1 so that the end ring 4 is formed before and after the lamination while being in contact with the end surface in the portion direction.
  • the protective ring 7 Since the protective ring 7 has a laminated structure of electromagnetic steel plates, it can be manufactured by extending the manufacturing process of the rotor core 1. A plurality of rotor conductors 3 and end rings 4 are manufactured by injecting aluminum-based metal into the plurality of through-grooves 9, and at the same time, the aluminum-based metal permeates into the laminated portions of the electrical steel sheets constituting the protective ring 7. As a result, it also has a role of bonding the laminated plates together. Therefore, although the protective ring 7 has a laminated structure of electromagnetic steel plates, it has a mechanical strength equivalent to that of a protective ring manufactured from a conventional metal lump due to the adhesive effect of the aluminum-based metal.
  • the protection ring 7 can be manufactured from the same material as the rotor core 1. Since the manufacturing process can be simplified and no additional material is required, the manufacturing cost and the number of parts can be reduced as compared with the conventional protection ring, and the cost of the induction motor can be reduced.
  • the outer diameter side protective ring 7 a has a role of protecting the end ring 4 from being deformed or broken due to the centrifugal force generated by the rotation of the rotor from the outer peripheral side of the end ring 4.
  • the inner diameter side protective ring 7 b is fixed by shrinkage with the rotating shaft 5.
  • shrinkage it is necessary to carry out with the same kind of materials having the same thermal expansion coefficient.
  • Dissimilar materials with different coefficients of thermal expansion for example, when trying to fix both iron-based metal and aluminum-based metal by shrinking, the aluminum-based metal has a larger coefficient of thermal expansion than iron-based metal. Stress associated with thermal expansion occurs, and the stress affects the iron-based metal, and the two cannot be sufficiently fixed.
  • the inner diameter side protective ring 7b is fixed not by shrinkage between the end ring 4 and the rotating shaft 5, but by shrinkage between the same kinds of materials of the inner diameter side protective ring 7b and the rotating shaft 5.
  • the aluminum-based metal injected from the plurality of through grooves 9 to manufacture the plurality of rotor conductors 3 and the end rings 4 penetrates into the laminated portions of the electromagnetic steel plates of the inner diameter side protective ring 7b. Since they are bonded together, contact between the inner periphery of the end ring 4 and the rotating shaft 5 is prevented, and as a result, the fixing strength, that is, the rigidity of the end ring 4 is increased.
  • the end plate 8 is for fixing the outer diameter side protection ring 7a and the inner diameter side protection ring 7b, and the structure thereof is a structure in which a plurality of electromagnetic steel plates are laminated similarly to the two protection rings 7a and 7b. Therefore, it can be manufactured by extending the manufacturing process of the rotor core 1.
  • a plurality of rotor conductors 3 and end rings 4 are manufactured by injecting aluminum-based metal into the plurality of through-grooves 9.
  • the aluminum-based metal permeates into the laminated portions of the electromagnetic steel plates constituting the end plate 8. As a result, it also has a role of bonding the laminated plates together. Therefore, although the end plate 8 has a laminated structure of electromagnetic steel plates, it has mechanical strength equivalent to that of an end plate manufactured from a conventional metal lump due to the adhesive effect of the aluminum-based metal.
  • the end plate 8 can be manufactured from the same kind of material as the rotor core 1. Since the process can be simplified and no additional material is required, the manufacturing cost and the number of parts can be reduced as compared with the conventional end plate, and the cost of the induction motor can be reduced.
  • the outer diameter of the end ring 4 is made smaller than the outer diameter defined by connecting the outer edge portions of the plurality of slot grooves 2 as compared with the conventional one.
  • the diameter can be further reduced by the amount covered with the outer diameter side protective ring 7a. Since the centrifugal force is proportional to the radius of the rotating object, the centrifugal force generated in the end ring 4 is thereby reduced as compared with the prior art, and a highly reliable induction motor can be realized.
  • FIG. 1 demonstrated the case where the end plate 8 was manufactured by further laminating a plurality of electromagnetic steel plates on the end surface in the axial end portion direction of the protective ring 7, the present invention is not limited to this, as shown in FIG. The same effect can be obtained by replacing the end plate 8 with an end plate 8a made of a single steel plate.
  • Example 2 5 is a cross-sectional view of a rotor of an induction motor showing Embodiment 2 of the present invention
  • FIG. 6 is a side view of the rotor of the induction motor showing Embodiment 2 of the present invention.
  • FIG. 7 is a sectional view taken along a section DD ′ (stepped end ring—boundary surface of the rotor core) in the transverse sectional view of the rotor of the induction motor shown in FIG. 5 to 7
  • reference numeral 4a denotes an annular stepped end ring made of an aluminum-based metal formed so that the outer diameter decreases stepwise in the direction of the shaft end
  • 10 denotes a plurality of electrical steel sheets having different outer diameters.
  • An outer diameter side of the stepped end ring 4a which is a double annular stepped protective ring formed by laminating the outer diameter in the direction of the shaft end so as to decrease stepwise.
  • the stepped protective ring 10a and the inner diameter side stepped protective ring 10b of the stepped end ring 4a which is the second protective ring are constituted by two protective rings.
  • the stepped protection ring 10 has a laminated structure of electromagnetic steel plates, and therefore the stepped protection ring 10 can be manufactured by extending the manufacturing process of the rotor core 1. Therefore, since the manufacturing process of the stepped protection ring 10 can be simplified and no additional material is required, the manufacturing cost and the number of parts can be reduced as compared with the conventional protection ring.
  • the outer diameter side stepped protection ring 10a has a role of protecting the deformation and destruction of the stepped end ring 4a caused by the centrifugal force generated by the rotation of the rotor from the outer peripheral side of the stepped end ring 4a.
  • the inner diameter side stepped protection ring 10b is fixed by shrinkage with the rotating shaft 5, and has a role of increasing the rigidity of the stepped end ring 4a.
  • the outer diameter side stepped protective ring 10a is installed so as to reduce the outer diameter of the stepped end ring 4a. Since the centrifugal force is proportional to the radius of the rotating object, the centrifugal force generated in the stepped end ring 4a itself is reduced stepwise because the outer diameter of the stepped end ring 4a is reduced stepwise.
  • the stepped protection ring 10 can reduce the structure in the rotation axis direction, that is, the outer diameter of the stepped end ring 4a, the stepped protection ring 10 protects the stepped end ring 4a. At the same time, since it is possible to reduce the centrifugal force generated in the stepped end ring 4a itself, a highly reliable induction motor can be realized.
  • the stepped end ring 4a has an outer diameter smaller than an outer diameter defined by connecting the outer edge portions of the plurality of slot grooves 2, thereby making the stepped end compared to the conventional case.
  • the outer diameter of the ring 4a can be further reduced by the amount covered with the outer diameter side stepped protective ring 10a. Since the centrifugal force is proportional to the radius of the rotating object, the centrifugal force generated in the stepped end ring 4a becomes smaller than that in the prior art, and a highly reliable induction motor can be realized.
  • the number of stacked layers of the stepped end ring 4a and the two stepped protective rings 10a and 10b is five, and the number of steps is four.
  • the present invention is not limited to this, and the same effect can be obtained if the number of stages is plural.
  • Example 3 As shown in the third embodiment, the same effect can be obtained even if the rotor of the induction motor described in the first embodiment is further fixed using a rivet pin.
  • 8 is a cross-sectional view of a rotor of an induction motor showing Embodiment 3 of the present invention
  • FIG. 9 is a side view of the rotor of the induction motor showing Embodiment 3 of the present invention.
  • FIG. 10 is a step view at a cross-section EE ′ (end ring—rotor core boundary surface) in the cross-sectional view of the rotor of the induction motor shown in FIG.
  • reference numeral 11 denotes a solid rivet pin, in which a rotor of an induction motor is provided with a plurality of through holes concentrically along the rotation axis direction, and the rivet pin 11 is inserted into each through hole. Fix it.
  • the rivet pin 11 further increases the fastening force in the rotation axis direction by caulking from both ends of the rotor.
  • Example 4 As shown in the fourth embodiment, the same effect can be obtained even if the rotor of the induction motor described in the second embodiment is further fixed using a rivet pin.
  • FIG. 11 is a cross-sectional view of the rotor of the induction motor showing the fourth embodiment of the present invention
  • FIG. 12 is a side view of the rotor of the induction motor showing the fourth embodiment of the present invention.
  • FIG. 13 is a step view at a section FF ′ (stepped end ring—boundary surface of the rotor core) in the transverse cross section of the rotor of the induction motor shown in FIG.
  • reference numeral 11a denotes a solid rivet pin, in which a rotor of an induction motor is provided with a plurality of through holes concentrically along the rotation axis direction, and the rivet pin 11a is inserted into each through hole. Fix it.
  • the rivet pin 11a further increases the fastening force in the direction of the rotation axis by caulking from both ends of the rotor.
  • FIG. 14 and 15 are sectional views of the rotor of the induction motor showing Embodiment 5 of the present invention
  • FIGS. 16 and 17 are structural views of the caulking of the rotor of the induction motor showing Embodiment 5 of the present invention. It is.
  • the outer diameter side protection rings 7 a or the inner diameter side protection rings 7 b are removed and fixed by caulking 31 so that the rotor can be handled as an integral protection structure.
  • the outer diameter side stepped protective rings 10 a are pulled out and fixed by caulking 32, and the inner diameter side stepped protective rings 10 b are pulled out and fixed by caulking 31, so that the rotor is integrally protected Can be treated as
  • the outer diameter side protective ring 7a, the inner diameter side protective ring 7b, and the inner diameter side stepped protective ring 10b are respectively formed with recesses, and the manufactured outer diameter side protective ring 7a and inner diameter side protective ring 7b are manufactured. Then, the concave portions of the inner diameter side stepped protection ring 10b are overlapped and pressed, so that the outer diameter side protection ring 7a, the inner diameter side protection ring 7b, and the inner diameter side stepped protection ring 10b can be formed as an integral structure. In addition, as shown in FIG.
  • a concave portion is also produced in the outer diameter side stepped protective ring 10a, a circular hole is formed on one side of the concave portion, and a concave portion of each manufactured outer diameter side stepped protective ring 10a is formed.
  • Example 6 In the first embodiment and the second embodiment, the case where the plurality of rotor conductors 3 are manufactured by injecting aluminum-based metal from the plurality of through grooves 9 is described. However, as shown in FIGS. The same effect can be obtained when a plurality of copper metal conductor bars 41 and 42 are applied to the rotor conductor 3. In FIG. 19, the leading end of each conductor bar 42 on the stepped end ring 4 a side is cut obliquely along the rotational axis direction so as to be within the stepped end ring 4 a.
  • the rotor of the induction motor shown in FIG. 18 includes a step of manufacturing a rotor core 1 by stacking a plurality of plates such that a plurality of slot grooves 2 are formed before and after stacking, and a shaft end of the rotor core 1.
  • a step of manufacturing the protective ring 7 by further laminating a plurality of plates on the end surface in the axial end portion direction of the rotor core 1 so that the end ring 4 is formed before and after the lamination while being in contact with the end surface in the portion direction.
  • the step of inserting the conductor bar 41 into the plurality of slot grooves 2 and the axial end portion of the protective ring 7 so as to be in contact with the end surface in the axial end direction of the protective ring 7 and to form the plurality of through grooves 9 A step of further manufacturing the end plate 8 on the end surface in the direction, a step of manufacturing the end ring 4 by injecting metal into the plurality of through grooves 9 provided in the end plate 8, the rotor core 1 and the protective ring 7 and manufactured through a process of inserting the rotary shaft 5 into a through hole formed in the center of the end plate 8 It is.

Landscapes

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

Abstract

L'invention porte sur un moteur à induction. Elle vise à résoudre les problèmes qui se posent dans un rotor de moteur à induction classique, en ce qui concerne les coûts additionnels pour les matériaux à haute rigidité tels que le fer ou l'acier inoxydable pendant la fabrication de la bague de protection, le positionnement de haute précision qui est nécessaire pendant le montage de la bague de protection, l'accroissement des coûts de fabrication et l'accroissement du nombre de composants pour le rotor qui sont dus à la précision de construction exigée pour obtenir ladite précision de positionnement, et les accroissements de la complexité du processus de fabrication. L'invention propose un rotor pour moteur à induction qui comprend : un arbre rotatif (5) ; un noyau de rotor (1) formé d'une pluralité de tôles empilées ; une pluralité d'encoches (2) formées de manière à passer à travers le noyau de rotor (1) ; une pluralité de conducteurs de rotor (3) disposés à l'intérieur des encoches (2) ; une bague d'extrémité (4) prévue sur la partie supérieure d'une surface terminale en direction de l'extrémité de l'arbre du noyau de rotor (1) qui doit être en contact avec chaque conducteur du rotor (3) ; une bague de protection (7) formée d'une pluralité de tôles empilées et comprenant une bague de protection de diamètre extérieur (7a) destinée à protéger la périphérie extérieure de la bague d'extrémité (4), et une bague de protection de diamètre intérieur (7b) destinée à éviter le contact entre la périphérie intérieure de la bague d'extrémité (4) et l'arbre rotatif (5) ; et une plaque d'extrémité (8) disposée sur la surface d'extrémité en direction de l'extrémité de l'arbre de la bague de protection (7).
PCT/JP2011/001983 2011-04-01 2011-04-01 Rotor pour moteur à induction et procédé de fabrication d'un rotor pour moteur à induction WO2012137235A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013508615A JP5484633B2 (ja) 2011-04-01 2011-04-01 誘導電動機の回転子の製作方法
PCT/JP2011/001983 WO2012137235A1 (fr) 2011-04-01 2011-04-01 Rotor pour moteur à induction et procédé de fabrication d'un rotor pour moteur à induction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/001983 WO2012137235A1 (fr) 2011-04-01 2011-04-01 Rotor pour moteur à induction et procédé de fabrication d'un rotor pour moteur à induction

Publications (1)

Publication Number Publication Date
WO2012137235A1 true WO2012137235A1 (fr) 2012-10-11

Family

ID=46968687

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/001983 WO2012137235A1 (fr) 2011-04-01 2011-04-01 Rotor pour moteur à induction et procédé de fabrication d'un rotor pour moteur à induction

Country Status (2)

Country Link
JP (1) JP5484633B2 (fr)
WO (1) WO2012137235A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104384674A (zh) * 2014-09-30 2015-03-04 哈尔滨电气动力装备有限公司 主泵电机转子屏蔽套与转子护环的机动钨极氩弧焊焊接方法
CN104493341A (zh) * 2014-12-15 2015-04-08 哈尔滨电气动力装备有限公司 屏蔽电机定子屏蔽套与下法兰焊接方法及其所使用的设备
US20160268871A1 (en) * 2015-03-12 2016-09-15 Sanyo Denki Co., Ltd. Motor rotator, motor device, and method for manufacturing the motor rotator
JP2016178805A (ja) * 2015-03-20 2016-10-06 株式会社豊田自動織機 誘導機の回転子
EP3487048A1 (fr) * 2017-11-16 2019-05-22 Wieland-Werke AG Rotor à cage écureuil comprenant des anneaux de court-circuit divisés et procédé de fabrication d'un tel rotor à cage écureuil

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014013684A1 (de) * 2014-09-17 2016-03-17 Wieland-Werke Ag Kurzschlussläufer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5763454U (fr) * 1980-10-01 1982-04-15
JPH02125573U (fr) * 1989-03-24 1990-10-16
JPH0550981U (ja) * 1991-12-13 1993-07-02 石川島播磨重工業株式会社 高速誘導電動機の回転子
JPH06153471A (ja) * 1992-11-04 1994-05-31 East Japan Railway Co 誘導電動機の回転子構造
JP2000265956A (ja) * 1999-03-15 2000-09-26 Sanyo Electric Co Ltd 圧縮機用電動機の回転子

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62135245A (ja) * 1985-12-05 1987-06-18 Fuji Electric Co Ltd 誘導機のかご形回転子
JPH03289338A (ja) * 1990-04-03 1991-12-19 Fuji Electric Co Ltd 回転電機の回転子

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5763454U (fr) * 1980-10-01 1982-04-15
JPH02125573U (fr) * 1989-03-24 1990-10-16
JPH0550981U (ja) * 1991-12-13 1993-07-02 石川島播磨重工業株式会社 高速誘導電動機の回転子
JPH06153471A (ja) * 1992-11-04 1994-05-31 East Japan Railway Co 誘導電動機の回転子構造
JP2000265956A (ja) * 1999-03-15 2000-09-26 Sanyo Electric Co Ltd 圧縮機用電動機の回転子

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104384674A (zh) * 2014-09-30 2015-03-04 哈尔滨电气动力装备有限公司 主泵电机转子屏蔽套与转子护环的机动钨极氩弧焊焊接方法
CN104493341A (zh) * 2014-12-15 2015-04-08 哈尔滨电气动力装备有限公司 屏蔽电机定子屏蔽套与下法兰焊接方法及其所使用的设备
US20160268871A1 (en) * 2015-03-12 2016-09-15 Sanyo Denki Co., Ltd. Motor rotator, motor device, and method for manufacturing the motor rotator
JP2016171659A (ja) * 2015-03-12 2016-09-23 山洋電気株式会社 モータ用回転子、モータ装置、およびモータ用回転子の製造方法
US10367393B2 (en) 2015-03-12 2019-07-30 Sanyo Denki Co., Ltd. Motor rotator, motor device, and method for manufacturing the motor rotator
JP2016178805A (ja) * 2015-03-20 2016-10-06 株式会社豊田自動織機 誘導機の回転子
EP3487048A1 (fr) * 2017-11-16 2019-05-22 Wieland-Werke AG Rotor à cage écureuil comprenant des anneaux de court-circuit divisés et procédé de fabrication d'un tel rotor à cage écureuil
US10819201B2 (en) 2017-11-16 2020-10-27 Wieland-Werke Ag Squirrel-cage rotor and method for producing a squirrel-cage rotor

Also Published As

Publication number Publication date
JP5484633B2 (ja) 2014-05-07
JPWO2012137235A1 (ja) 2014-07-28

Similar Documents

Publication Publication Date Title
WO2012137235A1 (fr) Rotor pour moteur à induction et procédé de fabrication d'un rotor pour moteur à induction
EP2557660B1 (fr) Noyau de fer feuilleté de machine électrique tournante
US20150162788A1 (en) Rotor core assembly for a reluctance motor and manufacturing method of the same
WO2015111096A1 (fr) Dispositif de fabrication d'un noyau de fer stratifié et procédé de fabrication d'un noyau de fer stratifié
JP6200720B2 (ja) ブラシレスモータ及びブラシレスモータの製造方法
CN102983685A (zh) 旋转电机的制造方法和旋转电机
EP3891875A1 (fr) Rotor à cage d'écureuil
US9520760B2 (en) Rotor, induction motor having the same, and method for manufacturing the same
JP6075300B2 (ja) モータのロータ
JP2012023805A (ja) 電動機の固定子とその製造方法
JP5864839B2 (ja) 電動パワーステアリング装置用左右回転型ブラシレスモータの製造方法
JPWO2017104403A1 (ja) コアシート、分割積層コアおよび固定子並びに分割積層コアの製造方法
JP6123716B2 (ja) ロータ
US20160190876A1 (en) Supporter for stator
CN110268608B (zh) 旋转电机用部件的制造方法
TWI584558B (zh) Rotary motor stator core and stator, and rotary motor
JP2008125333A (ja) ステータ
JP5462643B2 (ja) 積層鉄心及びその製造方法
JP5900319B2 (ja) 誘導モータ
WO2018116415A1 (fr) Pièce de noyau de stator et machine électrique rotative
JP2019080429A (ja) 回転電機、回転電機の製造方法、固定子
JP6805712B2 (ja) ロータの製造方法
WO2013118294A1 (fr) Procédé de fixation d'arbre de noyau et structure de fixation
WO2021024517A1 (fr) Rotor pour machine électrique tournante, machine électrique tournante, procédé de fabrication de rotor de machine électrique tournante et procédé de fabrication de machine électrique tournante
JP5809993B2 (ja) 回転電機

Legal Events

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

Ref document number: 11863136

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013508615

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11863136

Country of ref document: EP

Kind code of ref document: A1