JPS611246A - Permanent magnet rotor - Google Patents
Permanent magnet rotorInfo
- Publication number
- JPS611246A JPS611246A JP59119306A JP11930684A JPS611246A JP S611246 A JPS611246 A JP S611246A JP 59119306 A JP59119306 A JP 59119306A JP 11930684 A JP11930684 A JP 11930684A JP S611246 A JPS611246 A JP S611246A
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- glass fiber
- magnet rotor
- magnets
- wound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、産業用機器としてＮＣ工作機械（ＮＣｋｍ、
ＮＣフライス、マシニングセンター等）やロボット（溶
接ロボット、組立ロボット等）などの駆動源に用いられ
る永久磁石同期モータの永久磁石回転子に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is applicable to NC machine tools (NCkm,
The present invention relates to a permanent magnet rotor of a permanent magnet synchronous motor used as a drive source for robots (NC milling, machining centers, etc.) and robots (welding robots, assembly robots, etc.).
従来例の構成とその問題点
産業用機器に用いられる永久磁石同期モータは、ＮＣマ
シンでは昼夜を問わない無人連続運転に使用され、ロボ
ットでは、急加減速運転の連続である。これらの駆動源
として、過酷な条件のもとで使用される永久磁石同期モ
ータにとって、最大の課題になるのが永久磁石回転子の
耐久性である。Conventional configuration and its problems Permanent magnet synchronous motors used in industrial equipment are used for continuous unmanned operation day and night for NC machines, and for continuous rapid acceleration and deceleration operations for robots. For permanent magnet synchronous motors that are used as drive sources under harsh conditions, the greatest challenge is the durability of the permanent magnet rotor.
従来、永久磁石回転子の磁石飛散防止には、特別な処置
を怖していなかったが、近年要望の高い高出力、超高速
回転機を構成するうえで、永久磁石外周を樹脂で成形固
定する方法が提案されている。Traditionally, special measures have not been taken to prevent magnets from scattering in permanent magnet rotors, but in recent years, in order to construct high-output, ultra-high-speed rotating machines, which have been in high demand, the outer periphery of permanent magnets has been molded and fixed with resin. A method is proposed.
しかし、前記の方法では、高速回転時の成形樹脂そのも
のの強度不足、高価な成形型が必要などの点で適当でな
い。However, the above method is not suitable because the molding resin itself lacks strength during high-speed rotation and requires an expensive mold.
発明の目的
本発明は、過酷な条件のもとで、使用される永久磁石同
期モータの回転子構造に関し、超高速回転の際の遠心力
に耐え得る回転強度の十分な永久磁石回転子を簡易な構
成で得ることを目的とするものである。Purpose of the Invention The present invention relates to the rotor structure of a permanent magnet synchronous motor used under harsh conditions, and the present invention provides a simple permanent magnet rotor with sufficient rotational strength to withstand centrifugal force during ultra-high speed rotation. The purpose is to obtain this with a simple configuration.
発明の構成
本発明は、永久磁石外周面に熱硬化性樹脂を含浸させた
ガラス繊維を複数回巻き回して加熱硬化するものである
。Structure of the Invention In the present invention, a glass fiber impregnated with a thermosetting resin is wound around the outer peripheral surface of a permanent magnet a plurality of times and then heated and cured.
実姉例の説明
以下、本発明の実姉例を第１図、第２図を参照して説明
する。Description of a real sister example A real sister example of the present invention will be described below with reference to FIGS. 1 and 2.
図において、１は永久磁石回転子の軸２に固着される円
筒形ヨークであり、この円筒形ヨーク１の外周上に、永
久磁石３が複数個配置され、接着剤４で永久磁石３と円
筒形ヨーク２および永久磁石回転子間が固着されている
。In the figure, 1 is a cylindrical yoke fixed to the shaft 2 of a permanent magnet rotor, and a plurality of permanent magnets 3 are arranged on the outer circumference of this cylindrical yoke 1. The yoke 2 and the permanent magnet rotor are fixed together.
５は熱硬化性（酊脂を含浸させたガラス繊維で、永久磁
石夕１周面を複数回すき間なく巻き回して１層目５ａを
形成している。巻き始め６Ｓと巻き終わり（図りＪ＜せ
ず）ｉｌｉ、ガラス繊維５を２層に巻き市ねはさみ込ん
だ状態にしておいて、加熱硬化される。なお、５ｂは２
層目を示す。5 is a thermosetting glass fiber impregnated with alcoholic acid, and is wound around the permanent magnet layer multiple times without gaps to form the first layer 5a. (No) ili, the glass fiber 5 is wound in two layers and sandwiched between the two layers, and is heated and hardened. Note that 5b is 2
Indicates the layer.
発明の効果
以上の如く本発明は、永久磁石の外周面金熱硬化性樹脂
を含浸させたガラス繊維で複数層巻き回すことにより、
超高速回転時の遠心力に耐えうる永久磁石回転子を得る
ことができる。Effects of the Invention As described above, the present invention provides a structure in which the outer peripheral surface of a permanent magnet is wound in multiple layers with glass fiber impregnated with gold thermosetting resin.
A permanent magnet rotor that can withstand centrifugal force during ultra-high speed rotation can be obtained.
しかも、ガラス繊維そのものの加熱硬化を利用して、巻
き始めと巻き終わりの末端固定ができるので、特別な末
端止めは必要なく、材料費工数の低減がはかれ、簡易な
構成となる。Moreover, since the heating and hardening of the glass fiber itself can be used to fix the ends at the beginning and end of the winding, there is no need for special end stops, reducing material costs and man-hours, resulting in a simple configuration.
第１図は本発明の一実帷例にかかる永久磁石回転子の縦
断面図、第２図は同斜視図である。
１・・・・・・円筒形ヨーク、３・・・・永久磁石、４
・・・・・接着剤、５・・・・・熱硬化性樹脂を含浸さ
せたガラス繊維。FIG. 1 is a longitudinal sectional view of a permanent magnet rotor according to an embodiment of the present invention, and FIG. 2 is a perspective view thereof. 1...Cylindrical yoke, 3...Permanent magnet, 4
...Adhesive, 5...Glass fiber impregnated with thermosetting resin.
Claims (2)
し、円筒形ヨークと永久磁石および永久磁石相互間を接
着固定すると共に、前記永久磁石の外周向に熱硬化性樹
脂を含浸させたガラス繊維を巻き回し、加熱硬化してな
る永久磁石回転子。(1) A plurality of permanent magnets are arranged on the outer periphery of a cylindrical yoke, the cylindrical yoke and the permanent magnets and the permanent magnets are fixed with adhesive, and the outer periphery of the permanent magnet is impregnated with a thermosetting resin. A permanent magnet rotor made by winding glass fibers and hardening them by heating.
外周方向に対して傾斜した角度となして、複数回巻き回
して１層目とし、巻き始めと巻き終わりを各々２層に巻
き重ねて、ガラス繊維の末端止めをした特許請求の範囲
第１項記載の永久磁石回転子。(2) The direction of the glass fiber wound around the outer circumferential surface of the permanent magnet is at an angle to the outer circumferential direction, and the glass fiber is wound multiple times to form the first layer, and the beginning and end of the winding are each wound into two layers. A permanent magnet rotor according to claim 1, wherein the end of the glass fiber is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59119306A JPS611246A (en) | 1984-06-11 | 1984-06-11 | Permanent magnet rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59119306A JPS611246A (en) | 1984-06-11 | 1984-06-11 | Permanent magnet rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS611246A true JPS611246A (en) | 1986-01-07 |
Family
ID=14758156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59119306A Pending JPS611246A (en) | 1984-06-11 | 1984-06-11 | Permanent magnet rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS611246A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63187578U (en) * | 1987-05-20 | 1988-12-01 | ||
| JPH08223833A (en) * | 1995-02-07 | 1996-08-30 | Denyo Kk | Rotor with permanent magnet |
| JPH08223836A (en) * | 1995-02-07 | 1996-08-30 | Denyo Kk | Manufacture of rotor with permanent magnet |
| EP1380093A1 (en) * | 2001-03-24 | 2004-01-14 | Lg Electronics Inc. | Mover assembly of reciprocating motor and fabrication method thereof |
| EP2378636A3 (en) * | 2008-07-28 | 2012-12-12 | Direct Drive Systems, Inc. | Electric Machine |
| JP2013009553A (en) * | 2011-06-27 | 2013-01-10 | Toyota Central R&D Labs Inc | Rotor of rotary electric machine |
| ITUA20162053A1 (en) * | 2016-03-25 | 2017-09-25 | Politubes S R L | DEVICE FOR FIXING THE MAGNETS OF A BRUSHLESS MOTOR ROTOR |
| US20170310175A1 (en) * | 2016-04-22 | 2017-10-26 | Fanuc Corporation | Holding member, rotor of a rotating electrical machine comprising the same, and a rotating electrical machine comprising the rotor |
| JP6639761B1 (en) * | 2019-07-11 | 2020-02-05 | 三菱電機株式会社 | Rotor and motor |
| JP2020191734A (en) * | 2019-05-22 | 2020-11-26 | トヨタ紡織株式会社 | Manufacturing method of rotor |
| US20220388686A1 (en) * | 2019-11-11 | 2022-12-08 | Mitsubishi Heavy Industries, Ltd. | Rotor manufacturing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57177263A (en) * | 1981-04-22 | 1982-10-30 | Hitachi Ltd | Permanent magnet synchronous motor |
-
1984
- 1984-06-11 JP JP59119306A patent/JPS611246A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57177263A (en) * | 1981-04-22 | 1982-10-30 | Hitachi Ltd | Permanent magnet synchronous motor |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63187578U (en) * | 1987-05-20 | 1988-12-01 | ||
| JPH08223833A (en) * | 1995-02-07 | 1996-08-30 | Denyo Kk | Rotor with permanent magnet |
| JPH08223836A (en) * | 1995-02-07 | 1996-08-30 | Denyo Kk | Manufacture of rotor with permanent magnet |
| EP1380093A1 (en) * | 2001-03-24 | 2004-01-14 | Lg Electronics Inc. | Mover assembly of reciprocating motor and fabrication method thereof |
| EP1380093A4 (en) * | 2001-03-24 | 2006-08-09 | Lg Electronics Inc | Mover assembly of reciprocating motor and fabrication method thereof |
| EP2378636A3 (en) * | 2008-07-28 | 2012-12-12 | Direct Drive Systems, Inc. | Electric Machine |
| JP2013009553A (en) * | 2011-06-27 | 2013-01-10 | Toyota Central R&D Labs Inc | Rotor of rotary electric machine |
| ITUA20162053A1 (en) * | 2016-03-25 | 2017-09-25 | Politubes S R L | DEVICE FOR FIXING THE MAGNETS OF A BRUSHLESS MOTOR ROTOR |
| US20170310175A1 (en) * | 2016-04-22 | 2017-10-26 | Fanuc Corporation | Holding member, rotor of a rotating electrical machine comprising the same, and a rotating electrical machine comprising the rotor |
| JP2017195751A (en) * | 2016-04-22 | 2017-10-26 | ファナック株式会社 | Holding member, rotor of rotary electric machine including the same, and rotary electric machine including the same |
| CN107453503A (en) * | 2016-04-22 | 2017-12-08 | 发那科株式会社 | Holding member, rotor and electric rotating machine |
| US10312758B2 (en) | 2016-04-22 | 2019-06-04 | Fanuc Corporation | Holding member, rotor of a rotating electrical machine comprising the same, and a rotating electrical machine comprising the rotor |
| JP2020191734A (en) * | 2019-05-22 | 2020-11-26 | トヨタ紡織株式会社 | Manufacturing method of rotor |
| JP6639761B1 (en) * | 2019-07-11 | 2020-02-05 | 三菱電機株式会社 | Rotor and motor |
| WO2021005774A1 (en) * | 2019-07-11 | 2021-01-14 | 三菱電機株式会社 | Rotor, motor and method for producing rotor |
| US20220388686A1 (en) * | 2019-11-11 | 2022-12-08 | Mitsubishi Heavy Industries, Ltd. | Rotor manufacturing method |
| US11952148B2 (en) * | 2019-11-11 | 2024-04-09 | Mitsubishi Heavy Industries, Ltd. | Rotor manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10468955B2 (en) | Axial flux brushless permanent magnet electrical machine rotor | |
| US3784850A (en) | Electric pulse motor | |
| US4674178A (en) | Method of fabricating a permanent magnet rotor | |
| JPS611246A (en) | Permanent magnet rotor | |
| US3244919A (en) | Rotor for small electric motors | |
| JPS63501120A (en) | Permanent magnet rotor assembly | |
| KR20160002704A (en) | Apparatus And Methods for Magnet Retention | |
| US7127795B2 (en) | Rotor assembly and method for making the rotor assembly | |
| JP2530940Y2 (en) | Permanent magnet type rotor of rotating electric machine | |
| JPH1189143A (en) | Permanent magnet type rotor | |
| JPS5846857A (en) | Manufacture of rotor for synchronous motor | |
| GB2609876A (en) | Rotor | |
| JPH05191938A (en) | Manufacture of permanent magnet rotor | |
| JP3285060B2 (en) | Rotor of high-speed motor and manufacturing method thereof | |
| JPS6139838A (en) | Permanent magnet type motor | |
| JP4487173B2 (en) | Rotor for micro servo motor and micro servo motor provided with this rotor | |
| JPH0739257U (en) | Permanent magnet rotor | |
| JPS6323523A (en) | Electrically driven motor with integrated coil having magnetic material injection-molded yoke | |
| CN118137766A (en) | Forming preparation method of large-size high-speed permanent magnet motor rotor | |
| JPH022041Y2 (en) | ||
| KR200143053Y1 (en) | Motor of rotor | |
| KR19980033425U (en) | Rotor of AC Servo Motor | |
| JPWO2023026640A5 (en) | ||
| JPH0524735B2 (en) | ||
| JPS60216755A (en) | Manufacture of permanent magnet type rotor |