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WO2015181900A1 - Machine électrique rotative - Google Patents

Machine électrique rotative Download PDF

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Publication number
WO2015181900A1
WO2015181900A1 PCT/JP2014/064034 JP2014064034W WO2015181900A1 WO 2015181900 A1 WO2015181900 A1 WO 2015181900A1 JP 2014064034 W JP2014064034 W JP 2014064034W WO 2015181900 A1 WO2015181900 A1 WO 2015181900A1
Authority
WO
WIPO (PCT)
Prior art keywords
brake
electrical machine
rotating electrical
shaft
yoke
Prior art date
Application number
PCT/JP2014/064034
Other languages
English (en)
Japanese (ja)
Inventor
信和 宮内
猛貴 井上
Original Assignee
株式会社安川電機
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 株式会社安川電機 filed Critical 株式会社安川電機
Priority to CN201480078353.1A priority Critical patent/CN106233587A/zh
Priority to PCT/JP2014/064034 priority patent/WO2015181900A1/fr
Priority to JP2016523020A priority patent/JPWO2015181900A1/ja
Publication of WO2015181900A1 publication Critical patent/WO2015181900A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes

Definitions

  • the disclosed embodiment relates to a rotating electrical machine.
  • Patent Document 1 describes a rotating electric machine having a rotor and a stator provided with a motor shaft, and an electromagnetic brake device for braking the non-load side of the motor shaft.
  • the above prior art has a structure in which the rotating electrical machine and the electromagnetic brake device are arranged in parallel in the axial direction, and therefore the axial dimension tends to increase.
  • the axial dimension tends to increase.
  • the present invention has been made in view of such problems, and an object thereof is to provide a rotating electrical machine including a brake that can be thinned in the axial direction.
  • an electromagnetic part including a stator and configured to rotate a shaft, and at least a part of the electromagnetic part positioned on one side in the axial direction of the electromagnetic part Is applied to a rotating electric machine having a brake portion arranged to overlap the stator in the radial direction and configured to brake the shaft.
  • an electromagnetic unit including a stator and configured to rotate a shaft, a brake unit configured to brake the shaft, the stator and the A rotating electrical machine having a means for connecting the electromagnetic part and the brake part so that at least a part of the brake part overlaps in the radial direction is applied.
  • the rotating electrical machine equipped with the brake can be thinned in the axial direction.
  • the rotating electrical machine 1 includes an electromagnetic unit 20, a brake unit 30, and an encoder unit 50.
  • the brake unit 30 is disposed on the anti-load side of the electromagnetic unit 20 (an example of one side in the axial direction; the left side in FIG. 1), and the encoder unit 50 is disposed on the further anti-load side of the brake unit 30.
  • positioning of the electromagnetic part 20, the brake part 30, and the encoder part 50 is not limited above.
  • at least one of the brake unit 30 and the encoder unit 50 may be disposed on the load side (right side in FIG. 1) of the electromagnetic unit 20.
  • the electromagnetic unit 20 and the brake unit 30 are disposed adjacent to each other in the axial direction.
  • the rotating electrical machine 1 may be a motor or a generator.
  • load side refers to the direction in which the shaft 10 protrudes from the rotating electrical machine 1 (right side in FIG. 1)
  • anti-load side refers to the opposite direction of the load side, that is, in this example.
  • the direction (left side in FIG. 1) in which the encoder unit 50 is disposed with respect to the rotating electrical machine 1 is indicated.
  • the electromagnetic unit 20 includes a stator 2 provided inside the cylindrical frame 4 and a rotor 3 provided on the shaft 10, and is configured to rotate the shaft 10.
  • the stator 2 has an annular stator core 21 provided on the inner peripheral surface of the frame 4, and a plurality of stator windings 23 arranged on the stator core 21 in the circumferential direction.
  • the stator winding 23 is wound around a bobbin 22, and the bobbin 22 is attached to the stator core 21.
  • the rotor 3 is provided on the outer peripheral surface of the shaft 10.
  • the rotor 3 includes an annular rotor core 27 disposed with a predetermined magnetic gap from the stator core 21, and a plurality of permanent magnets 28 disposed inside the rotor core 27.
  • the permanent magnet 28 may be installed on the outer peripheral surface of the rotor core 27.
  • the plurality of permanent magnets 28 are arranged on the rotor core 27 so that the magnetic poles formed on the outer periphery of the rotor core 27 alternately repeat the N pole and the S pole in the circumferential direction.
  • a load side bracket 5 is provided on the load side (right side in FIG. 1) of the frame 4.
  • a load side bearing 6 is fixed to the load side bracket 5.
  • the outer peripheral portion of the load side bracket 5 is fixed to the frame 4 by a plurality of bolts 14.
  • An anti-load side bearing 7 (an example of a first bearing) is fixed to the inner periphery of a yoke 32 (details will be described later) of the brake unit 30.
  • An outer peripheral portion (a flange portion 37 described later) of the yoke 32 is fixed to the frame 4 by a plurality of bolts 15.
  • the shaft 10 is rotatably supported by the load side bearing 6 and the anti-load side bearing 7.
  • the electromagnetic part 20 has a resin part 25 that seals the stator 2.
  • the resin portion 25 covers the periphery of the stator 2 including the stator core 21, the bobbin 22, the stator winding 23, and the connection portion 24.
  • an alternating current is supplied to the stator winding 23 of the stator 2 from an external power source (not shown) via the connection unit 24.
  • the stator winding 23 generates a rotating magnetic field, and the generated rotating magnetic field acts on the field magnetic flux of the permanent magnet 28 of the rotor 3, thereby generating a thrust in the circumferential direction on the rotor 3, and the shaft 10 rotates.
  • the encoder unit 50 includes an encoder 12 and an encoder cover 45 that houses the encoder 12.
  • the encoder 12 is disposed at the end of the shaft 10 on the side opposite to the load (an example of one side in the axial direction) and detects the rotational position of the shaft 10.
  • the encoder 12 may be either magnetic or optical, or may include both.
  • the outer periphery of the encoder cover 45 is fixed to the brake housing 43 by a plurality of bolts 16.
  • the brake unit 30 is configured to brake the shaft 10.
  • the brake unit 30 is configured as an electromagnetic brake (in this example, a non-excitation operation type brake).
  • the brake unit 30 includes a brake coil 31, a yoke 32 that is a field core, a brake disk 33, an armature 34, and a side plate 35.
  • the brake disk 33, the armature 34, and the side plate 35 are arranged in this order between the yoke 32 and the encoder unit 50 in the order of the armature 34, the brake disk 33, and the side plate 35 from the load side to the anti-load side.
  • the brake part 30 is arranged so that at least a part thereof overlaps the stator 2 of the electromagnetic part 20 in the radial direction.
  • at least a part of the yoke 32 is disposed so as to overlap the stator 2 in the radial direction.
  • the yoke 32 has a protruding portion 36, and the protruding portion 36 is inserted from the anti-load side to the inside of the resin portion 25 in the radial direction, so that the protruding portion 36 has a diameter of the stator 2. It is arranged so as to overlap inside in the direction.
  • the resin part 25 and the protrusion part 36 may be concavo-convexly fitted with no gap, or may be concavo-convexly fitted with a slight gap.
  • the protrusion 36 has an annular recess 36a that opens to the opposite load side, and the brake coil 31 is accommodated in the recess 36a.
  • the yoke 32 has a flange portion 37 extending outward in the radial direction from the protruding portion 36.
  • the outer diameter of the flange portion 37 is substantially equal to that of the frame 4 and the resin portion 25, and the outer peripheral surface thereof is exposed on the surface of the rotating electrical machine 1.
  • the connector 13 to which a motor cable (not shown) is connected is installed across the outer peripheral surface of the resin portion 25 and the outer peripheral surface of the flange portion 37.
  • the flange portion 37 is formed with a plurality of spring recesses 37a formed at appropriate intervals in the circumferential direction, and a coil spring 38 is accommodated in each spring recess 37a.
  • the coil spring 38 urges the armature 34 toward the anti-load side (brake disc 33 side).
  • the anti-load side bearing 7 is fixed to the opening 32 a on the inner periphery of the yoke 32.
  • the anti-load side bearing 7 is positioned by an annular projecting member 17 and a leaf spring 18 provided in the opening 32a.
  • the brake disc 33 has a structure in which, for example, a friction material is provided on both sides of a disc-like disc.
  • the brake disc 33 is provided on the shaft 10 so as to be movable in the axial direction and non-rotatable in the circumferential direction by fitting a spline portion in the axial direction to a hub 39 fixed on the opposite load side of the shaft 10.
  • the armature 34 is, for example, a disk-shaped member made of an appropriate magnetic material (for example, a steel plate).
  • the armature 34 is provided so as to be movable in the axial direction and non-rotatable in the circumferential direction by inserting a cylindrical collar 40 fixed to the yoke 32 through the outer peripheral portion.
  • the side plate 35 is, for example, a disk-shaped member made of an appropriate material such as iron, aluminum, or composite carbon fiber material.
  • the outer peripheral portion of the side plate 35 is fixed to the flange portion 37 of the yoke 32 by a plurality of fixing bolts 41 inserted through the collar 40.
  • the dimension of the brake disk 33 in the radial direction is set to be as large as possible without contacting the collar 40.
  • the brake unit 30 has a brake housing 43 that accommodates the brake disc 33 and the like.
  • the brake housing 43 is formed with an insertion hole 43a through which an end of the shaft 10 on the side opposite to the load (one example in the axial direction) is inserted, and a bearing is provided in a gap between the insertion hole 43a and the outer periphery of the shaft 10. 44 (an example of a second bearing) is installed.
  • the bearing 44 has an outer ring fixed to the brake housing 43 and an inner ring fixed to the shaft 10, and functions as a seal member that prevents inflow of brake powder generated in the brake housing 43 to the encoder unit 50 side.
  • the brake housing 43 is fixed to the yoke 32 by a fixing bolt (not shown).
  • the armature 34 is attracted to the yoke 32 against the urging force of the coil spring 38 and separated from the brake disk 33, and the braking of the shaft 10 is released.
  • the armature 34 moves to the anti-load side by the urging force of the coil spring 38, the brake disc 33 is sandwiched between the armature 34 and the side plate 35, and the shaft 10 Is braked.
  • the concave-convex fitting structure of the resin portion 25 of the electromagnetic portion 20 and the protruding portion 36 of the brake portion 30 and the bolt 15 are arranged so that at least a part of the stator and the brake portion overlap in the radial direction.
  • the brake unit 30 is located on the non-load side of the electromagnetic unit 20. At this time, since at least a part of the brake part 30 is arranged so as to overlap the stator 2 in the radial direction, the electromagnetic part 20 and the brake part 30 are arranged in parallel in the axial direction (without overlapping in the radial direction). The axial dimension of the rotating electrical machine 1 can be reduced compared to the case where the rotating electrical machine 1 is used. Therefore, the rotary electric machine 1 can be thinned in the axial direction.
  • the brake unit 30 includes the brake coil 31 and the yoke 32, and at least a part of the yoke 32 is disposed so as to overlap the stator 2 in the radial direction.
  • the brake unit 30 is an electromagnetic brake having a brake coil 31 and a yoke 32.
  • the brake disk 33 can be arranged so that the radial dimension is not limited by the stator 2.
  • the radial direction dimension of the brake disc 33 can be enlarged and the braking function of the brake part 30 can be improved.
  • the electromagnetic part 20 includes a resin part 25 that seals the stator 2, and the yoke 32 is a protruding part that accommodates the brake coil 31 and is inserted radially inside the resin part 25. 36.
  • the electromagnetic portion 20 and the brake portion 30 can be roughly positioned by the concave and convex fitting between the protruding portion 36 of the yoke 32 and the resin portion 25, and assembling workability can be improved.
  • the yoke 32 has a flange portion 37 extending outward in the radial direction from the protruding portion 36 and having an outer peripheral surface exposed to the surface of the rotating electrical machine 1.
  • the brake disk 33 is configured such that its radial dimension is set so as not to contact the collar 40.
  • the outer peripheral surface of the flange portion 37 of the yoke 32 is exposed to the surface of the rotating electrical machine 1. Therefore, the radial dimension of the yoke 32 can be increased as compared with the case where the yoke 32 is accommodated in the brake housing 43.
  • the collar 40 can be installed at a position on the outer peripheral side, the brake disk 33 can be further enlarged in the radial direction.
  • the coil spring 38 and the brake coil 31 can be reduced in size, so that the axial direction of the rotating electrical machine 1 can be further reduced in thickness.
  • the brake unit 30 includes the anti-load side bearing 7 that is fixed to the inner periphery of the yoke 32 and supports the shaft 10 rotatably.
  • the yoke 32 can also serve as a bearing support member that supports the anti-load side bearing 7, and there is no need to separately install a bearing support member such as an anti-load side bracket. As a result, it is possible to further reduce the thickness in the axial direction, reduce the number of parts, and reduce the cost.
  • the encoder further includes an encoder 12 arranged on the anti-load side of the brake unit 30 and configured to detect the rotational position of the shaft 10, and the brake unit 30 includes the brake coil 31 and the yoke 32. And a brake disk 33 disposed between the encoder 12 and the encoder 12.
  • the brake coil 31 and the yoke 32 and the encoder 12 are separated from each other as compared with the case where the brake disk 33 is arranged between the brake coil 31 and the yoke 32 and the electromagnetic unit 20. be able to. Thereby, the influence of the leakage magnetic flux from the brake part 30 with respect to the encoder 12 can be reduced.
  • the brake portion 30 includes a brake housing 43 that accommodates the brake disc 33 and the like, and an insertion hole 43a in which an insertion hole 43a into which the end on the side opposite to the load of the shaft 10 is inserted is formed. And a bearing 44 provided in a gap with the outer periphery of the shaft 10. The bearing 44 can prevent the brake powder generated in the brake housing 43 from flowing into the encoder 12 through the insertion hole 43a. Thereby, it can prevent that the position detection accuracy of the encoder 12 falls.
  • a bearing 44 in which the outer ring is fixed to the brake housing 43 and the inner ring is fixed to the shaft 10 is used.
  • the bearing 44 as the seal member, it is possible to enclose the lubricant in the bearing 44 and to prevent the lubricant from flowing into the encoder 12 side.
  • a seal member 48 may be installed in the gap between the insertion hole 43 a of the brake housing 43 and the outer periphery of the shaft 10.
  • a dust seal or an oil seal made of an elastic material such as a rubber material can be used as the seal member 48.
  • the seal member 48 includes an annular body 48 a that is fixed to the inner peripheral surface of the insertion hole 43 a of the brake housing 43, and a hook-shaped contact piece 48 b that is formed on the inner periphery of the annular body 48 a and contacts the outer peripheral surface of the shaft 10. Have. Also in this case, the same effect as that of the above embodiment is obtained.
  • the case where a part of the brake part 30 (the protruding part 36 of the yoke 32) overlaps the stator 2 in the radial direction is described as an example, but the present invention is not limited to this.
  • the whole brake part 30 is provided inside the resin part 25, it is good also as a structure by which the whole brake part 30 overlaps with the stator 2 and is arrange
  • the brake unit 30 is an electromagnetic brake
  • the present invention is not limited to this.
  • a brake driven by hydraulic pressure or air pressure may be used.
  • the rotating electrical machine 1 includes the encoder unit 50
  • the encoder unit 50 is not necessarily provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Braking Arrangements (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

Le but de l'invention est de réaliser une machine électrique rotative dotée d'un frein plus mince dans la direction axiale. A cette fin, une machine électrique rotative (1) comprend une unité électromagnétique (20) et une unité de frein (30). L'unité électromagnétique (20) comprend un stator (2) et un rotor (3), et est configurée de façon à faire tourner un arbre (10). L'unité de frein (30) est configurée de manière à freiner l'arbre (10). L'unité de frein (30) est positionnée sur le côté sans charge de l'unité électromagnétique (20), et est disposée de telle sorte qu'au moins une partie de celle-ci chevauche le stator (2) de l'unité électromagnétique (20) dans la direction radiale.
PCT/JP2014/064034 2014-05-27 2014-05-27 Machine électrique rotative WO2015181900A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201480078353.1A CN106233587A (zh) 2014-05-27 2014-05-27 旋转电机
PCT/JP2014/064034 WO2015181900A1 (fr) 2014-05-27 2014-05-27 Machine électrique rotative
JP2016523020A JPWO2015181900A1 (ja) 2014-05-27 2014-05-27 回転電機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/064034 WO2015181900A1 (fr) 2014-05-27 2014-05-27 Machine électrique rotative

Publications (1)

Publication Number Publication Date
WO2015181900A1 true WO2015181900A1 (fr) 2015-12-03

Family

ID=54698284

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/064034 WO2015181900A1 (fr) 2014-05-27 2014-05-27 Machine électrique rotative

Country Status (3)

Country Link
JP (1) JPWO2015181900A1 (fr)
CN (1) CN106233587A (fr)
WO (1) WO2015181900A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107042419A (zh) * 2016-01-28 2017-08-15 至禾机器工业有限公司 加工机的驱动装置及其销售和装配方法
CN107303235A (zh) * 2016-04-19 2017-10-31 李书贤 助行器的模块化电动轮组
CN107872116A (zh) * 2016-09-26 2018-04-03 日本电产三协株式会社 带制动器的电动机
WO2019082490A1 (fr) * 2017-10-24 2019-05-02 ミネベアミツミ株式会社 Appareil rotatif
JP2020513723A (ja) * 2016-12-01 2020-05-14 イエフペ エネルジ ヌヴェルＩｆｐ Ｅｎｅｒｇｉｅｓ Ｎｏｕｖｅｌｌｅｓ 磁気位置センサを含む回転電気機械
WO2022153438A1 (fr) * 2021-01-14 2022-07-21 三菱電機株式会社 Machine tournante
WO2025104840A1 (fr) * 2023-11-15 2025-05-22 ファナック株式会社 Moteur comprenant un frein

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109194079A (zh) * 2018-10-15 2019-01-11 广州数控设备有限公司 一种交流永磁同步电动机及其制造方法
DE102019120250A1 (de) * 2019-07-26 2021-01-28 Dunkermotoren Gmbh Bremse für einen Elektromotor und Herstellungsverfahren hierfür

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JPS5833950A (ja) * 1981-08-19 1983-02-28 Fuji Electric Co Ltd 電動機
JPS6110941A (ja) * 1984-06-27 1986-01-18 Hitachi Ltd デイスクブレ−キの手動緩め装置
JPH0561555U (ja) * 1992-01-29 1993-08-13 オリエンタルモーター株式会社 電動機用直交軸減速機
JP2007195342A (ja) * 2006-01-19 2007-08-02 Toshiba Corp ブレーキ付きモータおよびそのモータを用いたエレベータ駆動システム
JP2009131148A (ja) * 2007-11-19 2009-06-11 Siemens Ag ロータに直接磁気ブレーキを設けた電気機械
JP2011190918A (ja) * 2010-03-17 2011-09-29 Yaskawa Electric Corp ブレーキ装置及び回転電機
JP2013059169A (ja) * 2011-09-07 2013-03-28 Yaskawa Electric Corp 回転電機

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JP4775551B2 (ja) * 2005-11-16 2011-09-21 株式会社安川電機 ブレーキ付モータ

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JPS5833950A (ja) * 1981-08-19 1983-02-28 Fuji Electric Co Ltd 電動機
JPS6110941A (ja) * 1984-06-27 1986-01-18 Hitachi Ltd デイスクブレ−キの手動緩め装置
JPH0561555U (ja) * 1992-01-29 1993-08-13 オリエンタルモーター株式会社 電動機用直交軸減速機
JP2007195342A (ja) * 2006-01-19 2007-08-02 Toshiba Corp ブレーキ付きモータおよびそのモータを用いたエレベータ駆動システム
JP2009131148A (ja) * 2007-11-19 2009-06-11 Siemens Ag ロータに直接磁気ブレーキを設けた電気機械
JP2011190918A (ja) * 2010-03-17 2011-09-29 Yaskawa Electric Corp ブレーキ装置及び回転電機
JP2013059169A (ja) * 2011-09-07 2013-03-28 Yaskawa Electric Corp 回転電機

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107042419A (zh) * 2016-01-28 2017-08-15 至禾机器工业有限公司 加工机的驱动装置及其销售和装配方法
CN107303235A (zh) * 2016-04-19 2017-10-31 李书贤 助行器的模块化电动轮组
CN107872116A (zh) * 2016-09-26 2018-04-03 日本电产三协株式会社 带制动器的电动机
JP2020513723A (ja) * 2016-12-01 2020-05-14 イエフペ エネルジ ヌヴェルＩｆｐ Ｅｎｅｒｇｉｅｓ Ｎｏｕｖｅｌｌｅｓ 磁気位置センサを含む回転電気機械
JP7162590B2 (ja) 2016-12-01 2022-10-28 イエフペ エネルジ ヌヴェル 磁気位置センサを含む回転電気機械
CN111279591A (zh) * 2017-10-24 2020-06-12 美蓓亚三美株式会社 旋转装置
JP2019080421A (ja) * 2017-10-24 2019-05-23 ミネベアミツミ株式会社 回転装置
US11239730B2 (en) 2017-10-24 2022-02-01 Minebea Mitsumi Inc. Rotating device
WO2019082490A1 (fr) * 2017-10-24 2019-05-02 ミネベアミツミ株式会社 Appareil rotatif
WO2022153438A1 (fr) * 2021-01-14 2022-07-21 三菱電機株式会社 Machine tournante
JPWO2022153438A1 (fr) * 2021-01-14 2022-07-21
DE112021006808T5 (de) 2021-01-14 2023-11-02 Mitsubishi Electric Corporation Rotator
JP7415050B2 (ja) 2021-01-14 2024-01-16 三菱電機株式会社 回転機
WO2025104840A1 (fr) * 2023-11-15 2025-05-22 ファナック株式会社 Moteur comprenant un frein

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JPWO2015181900A1 (ja) 2017-04-20
CN106233587A (zh) 2016-12-14

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