JPH022374B2 - - Google Patents
Info
- Publication number
- JPH022374B2 JPH022374B2 JP57165651A JP16565182A JPH022374B2 JP H022374 B2 JPH022374 B2 JP H022374B2 JP 57165651 A JP57165651 A JP 57165651A JP 16565182 A JP16565182 A JP 16565182A JP H022374 B2 JPH022374 B2 JP H022374B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- rotor core
- diameter
- press
- outer periphery
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
【発明の詳細な説明】
本発明は、キヤンドモータ回転子製造方法に関
する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a canned motor rotor.
キヤンドモータの回転子鉄心外周に薄肉非磁性
体のキヤンを圧入する際、キヤンを変形したり破
損することなく容易に圧入できて、かつ鉄心外周
に密着されていることが要望される。 When press-fitting a thin non-magnetic can into the outer periphery of a rotor core of a canned motor, it is desired that the can be easily press-fitted without deforming or damaging the can, and that it be in close contact with the outer periphery of the core.
第１図はキヤンドモータの回転子の要部構成図
を示し、最初に回転子の構造について説明する。
図において、回転子１０、回転子４、厚さが500
〜600mmの間で積層された回転子鉄心２、押え板
３、薄肉状で非磁性体のキヤン１から構成されて
いる。回転子鉄心２には、軸孔と同芯円上の複数
個の孔にそれぞれ導体５が挿入されており、導体
５の両端部５ａはそれぞれ短絡環６にロー付けさ
れ、積層された回転子鉄心２は一つのブロツク体
に構成されて回転軸４に装荷されている。回転子
鉄心２の両側には押え板３が配設され、押え板３
は回転軸４の両側から挿入されて回転子鉄心２の
両端部を支え、内径側の周壁は、回転軸４に溶接
されている。キヤン１は回転子鉄心２および押え
板３に亙つてその外周に圧入され、両端部１ａは
それぞれ押え板３の周部に一体に溶接されてい
る。 FIG. 1 shows a block diagram of the main parts of a rotor of a canned motor, and the structure of the rotor will be explained first.
In the figure, rotor 10, rotor 4, thickness 500
It consists of a rotor core 2, a presser plate 3, and a thin non-magnetic can 1, which are laminated to a thickness of ~600 mm. In the rotor core 2, conductors 5 are inserted into a plurality of holes concentric with the shaft hole, and both ends 5a of the conductors 5 are brazed to short-circuit rings 6, so that the laminated rotor The iron core 2 is constructed as a single block body and is loaded onto the rotating shaft 4. Holding plates 3 are arranged on both sides of the rotor core 2, and the holding plates 3
are inserted from both sides of the rotating shaft 4 to support both ends of the rotor core 2, and the peripheral wall on the inner diameter side is welded to the rotating shaft 4. The can 1 is press-fitted onto the outer periphery of the rotor core 2 and the holding plate 3, and both ends 1a are integrally welded to the circumference of the holding plate 3, respectively.
次にキヤンの圧力方法について説明する。第２
図は従来の実施例を示し、キヤンドモータの回転
子の要部構成図である。図において第１図に示す
ものと同じ構成要素のものには同じ符号を付すこ
とによりその説明を省略する。回転子鉄心２と環
状部材３からなる回転子外周２０ａにキヤン１を
圧入する際には、まず、回転子外周２０ａを所定
の寸法に研削する。また、キヤン１は、研削後の
回転子外径より多少小さい内径を備え、圧入可能
な締代を持つている。キヤン１の一方の端１ａを
起してフランジ状にし、このフランジ部分を環状
リング２１に溶接し、キヤン１に環状リング２１
を接続する。キヤン１を約300℃に加熱し、フラ
ンジ状に形成された側を回転子外周２０ａに押し
込み、図示しない引張り装置に環状リング２１の
側面を引掛けて、２２矢視方向に引張りながらキ
ヤン１を回転子外周２０ａに圧入していく。所定
位置まで引き終つた後、キヤン１の端部を加工し
て押え板３の側面に合わせ、その端面を押え板３
に溶接してキヤンの圧入作業が完了する。 Next, the can pressure method will be explained. Second
The figure shows a conventional example, and is a diagram illustrating the main part of a rotor of a canned motor. In the figure, the same components as shown in FIG. 1 are given the same reference numerals, and their explanation will be omitted. When press-fitting the can 1 into the rotor outer periphery 20a consisting of the rotor core 2 and the annular member 3, the rotor outer periphery 20a is first ground to a predetermined size. Further, the can 1 has an inner diameter that is somewhat smaller than the outer diameter of the rotor after grinding, and has an interference that allows press-fitting. One end 1a of the can 1 is raised to form a flange, this flange portion is welded to the annular ring 21, and the annular ring 21 is attached to the can 1.
Connect. The can 1 is heated to about 300°C, the flange-shaped side is pushed into the rotor outer periphery 20a, the side surface of the annular ring 21 is hooked to a tensioning device (not shown), and the can 1 is pulled while being pulled in the direction of the arrow 22. It is press-fitted into the rotor outer periphery 20a. After pulling the can 1 to the specified position, process the end of the can 1 to match the side surface of the presser plate 3, and then attach the end surface to the presser plate 3.
The press-fit work of the can is completed by welding to the can.
このような方法でキヤン１を回転子外周に圧入
する際、キヤン１は薄くて熱容量が小さいため
に、すぐに温度が下り、破損して了うことが多
く、圧入作業が困難であると云う欠点があつた。 When press-fitting Can 1 to the rotor's outer periphery using this method, since Can 1 is thin and has a small heat capacity, the temperature drops quickly and often breaks, making the press-fitting process difficult. There were flaws.
本発明は回転子外周にキヤンを圧入する際、締
代を形成する工程を少なくし、キヤンを変形させ
たり破損させることなく容易に圧入でき、回転子
外周に確実に密着させることのできるキヤンドモ
ータ回転子の製造方法を提供することを目的とす
る。 The present invention reduces the process of forming an interference when press-fitting a can onto the outer periphery of a rotor, and the can can be easily press-fitted without deforming or damaging the can, making it possible to reliably fit the can into the outer periphery of the rotor. The purpose is to provide a method for producing children.
本発明によれば上記の目的は、かご形回転子鉄
心２と、薄肉の円筒状金属キヤン３１とを準備
し、その回転子鉄心２は、軸方向両端にそれぞれ
環状の押え板３を有し、軸方向一端の直径が他端
の直径よりわずかに大きく、外周がわずかな傾斜
を持つように仕上げられたものであり、そのキヤ
ン３１は、前記回転子鉄心２の傾斜とほぼ同じ傾
斜を持ち、一端の内径が前記回転子鉄心２の小さ
い直径よりも大きく、他端の内径ｄは前記回転子
鉄心２の大きい直径Ｄよりわずかに小さいもので
あり、次いで、前記キヤン３１を焼ばめ温度に加
熱し、前記回転子鉄心２と前記押え板１３との外
周面に軸方向から弾性限界内で圧入して回転子１
０を製造するようにしたキヤンドモータ回転子製
造方法によつて達成される。 According to the present invention, the above object is to prepare a squirrel cage rotor core 2 and a thin cylindrical metal can 31, and the rotor core 2 has annular retaining plates 3 at both ends in the axial direction. The diameter of one end in the axial direction is slightly larger than the diameter of the other end, and the outer circumference is finished with a slight inclination, and the can 31 has approximately the same inclination as the inclination of the rotor core 2. , the inner diameter of one end is larger than the small diameter of the rotor core 2, and the inner diameter d of the other end is slightly smaller than the large diameter D of the rotor core 2, and then the can 31 is heated to a shrink fit temperature. The rotor 1 is heated to a temperature of 10.degree.
This is achieved by a method for manufacturing a canned motor rotor.
以下本発明の実施例を図面にもとづいて説明す
る。第３図は本発明の実施例を示し、キヤンドモ
ータの回転子の要部構成図である。図において第
２図に示すものと同じ構成要素のものには同じ符
号を付すことによりその説明を省略する。この発
明によるキヤンドモータ回転子製造方法は、かご
形回転子鉄心２と、薄肉の円筒状金属キヤン３１
とを準備し、その回転子鉄心２は、軸方向両端に
それぞれ環状の押え板３を有し、回転子３０の外
周を研削し外周３２に１ｍに付き１mm位の比較的
小さいテーパ角度αを形成させ、幅方向一端の直
径が他端の直径よりわずかに大きく仕上げる。ま
たキヤン３１は、回転子鉄心２と傾斜とほぼ同じ
角度αの傾斜をもち、一端の内径が回転子鉄心２
の小さい直径よりも大きく、他端の内径ｄは回転
子鉄心２の大きい直径Ｄよりわずかに小さいもの
であり、回転子外周の大きい側の比較的狭い領域
で圧入となる締代を持つている。キヤン３１の口
径の大きい側の端３１ａを起してフランジ状に
し、このフランジ部分を環状リング２１に溶接
し、キヤン３１に環状リング２１を接続する。キ
ヤン３１を約300℃に加熱し、わずかな傾斜をも
つように形成された回転子外周３２の小さい側か
ら３３ａ矢視方向に挿入する。キヤン３１はわず
かな傾斜をもつようにの回転子外周３２にスムー
スに挿入され、回転子外周３２の大きい側の比較
的狭い領域で弾性限界内の圧入となる。圧入領域
では、第２図の従来の実施例で示したと同じよう
に、図示しない引張装置に環状リング２１の側面
を引掛けて、３３矢視方向に引張りながらキヤン
３１を回転子外周３２に圧入していく。所定位置
まで引き終つた後、キヤン３１の端部を加工して
押え板３の側面に合わせ、その端面を押え板３に
溶接してキヤンドモータ回転子製造が完了する。 Embodiments of the present invention will be described below based on the drawings. FIG. 3 shows an embodiment of the present invention, and is a diagram illustrating the main part of a rotor of a canned motor. In the figure, the same components as those shown in FIG. 2 are given the same reference numerals, and their explanation will be omitted. The canned motor rotor manufacturing method according to the present invention includes a squirrel cage rotor core 2 and a thin cylindrical metal can 31.
The rotor core 2 has annular holding plates 3 at both ends in the axial direction, and the outer periphery of the rotor 30 is ground to form a relatively small taper angle α of about 1 mm per 1 m on the outer periphery 32. The diameter of one end in the width direction is slightly larger than the diameter of the other end. Further, the can 31 has an inclination of almost the same angle α as the inclination of the rotor core 2, and the inner diameter of one end is the same as the inclination of the rotor core 2.
The inner diameter d of the other end is slightly smaller than the large diameter D of the rotor core 2, and the rotor has an interference that allows press-fitting in a relatively narrow area on the large side of the rotor outer circumference. . The larger diameter end 31a of the can 31 is raised to form a flange, this flange portion is welded to the annular ring 21, and the annular ring 21 is connected to the can 31. The can 31 is heated to about 300° C. and inserted into the rotor outer periphery 32, which is formed with a slight inclination, from the small side in the direction of arrow 33a. The can 31 is smoothly inserted into the rotor outer periphery 32 with a slight inclination, and is press-fitted within the elastic limit in a relatively narrow area on the larger side of the rotor outer periphery 32. In the press-fitting region, as in the conventional embodiment shown in FIG. I will do it. After the can 31 has been pulled to a predetermined position, the end of the can 31 is processed to match the side surface of the presser plate 3, and the end face is welded to the presser plate 3 to complete manufacturing of the canned motor rotor.
このようなキヤンドモータ回転子製造方法にお
いて、回転子３０の最後の100〜150mmの間で図示
しない引張り装置で引張るような締代をキヤン３
１に持たせることにより、キヤン３１は引張り過
程で破損することなく圧入され、回転子外周３２
に密着させることができる。 In such a method for manufacturing a canned motor rotor, a tightening margin is created by pulling the last 100 to 150 mm of the rotor 30 using a tensioning device (not shown).
1, the can 31 is press-fitted without being damaged during the tensioning process, and the rotor outer periphery 32
It can be placed in close contact with the
本発明は上記のように、回転子外周を比較的小
さい角度でわずかな傾斜をもつように形成し、キ
ヤンを回転子外周と同じ角度でわずかな傾斜をも
つようにし、かつ回転子３０の最後の短い領域で
締代が生ずるようにして回転子外周に圧入するよ
うにしたことにより、困難であつた圧入作業を容
易にするとともに、キヤンの破損が防止され、か
つ、密着強度に確実の保証でき、トルク低下など
の機能を損うことのない信頼性の高いキヤンドモ
ータ回転子へのキヤン圧入方法を提供することが
できる。 As described above, the present invention forms the outer periphery of the rotor with a slight inclination at a relatively small angle, and forms the can with a slight inclination at the same angle as the outer periphery of the rotor. By press-fitting onto the outer circumference of the rotor with a tightening margin in a short area, the previously difficult press-fitting work is made easier, the can is prevented from being damaged, and the strength of the adhesion is guaranteed. It is possible to provide a highly reliable method for press-fitting a can into a can motor rotor without impairing functions such as torque reduction.
第１図はキヤンドモータの回転子の構造を示す
要部構成図、第２図は従来の回転子製造方法によ
る回転子要部の構成図、第３図は本発明の実施例
を示す回転子要部の構成図である。
２……回転子鉄心、３……押え板、５……導
体、６……短絡管、３１……キヤン、α……テー
パ角度、Ｄ……回転子鉄心の直径、ｄ……キヤン
の直径。
Fig. 1 is a block diagram of main parts showing the structure of a rotor of a canned motor, Fig. 2 is a block diagram of main parts of a rotor according to a conventional rotor manufacturing method, and Fig. 3 is a main part of a rotor showing an embodiment of the present invention. FIG. 2... Rotor core, 3... Holding plate, 5... Conductor, 6... Short circuit tube, 31... Can, α... Taper angle, D... Rotor core diameter, d... Can diameter .
Claims (1)
ヤン３１とを準備し、その回転子鉄心２は、軸方
向両端にそれぞれの環状の押え板３を有し、軸方
向一端の直径が他端の直径よりわずかに大きく、
外周がわずかな傾斜を持つように仕上げられたも
のであり、そのキヤン３１は、前記回転子鉄心２
の傾斜とほぼ同じ傾斜を持ち、一端の内径が前記
回転子鉄心２の小さい直径よりも大きく、他端の
内径ｄは前記回転子鉄心２の大きい直径Ｄよりわ
ずかに小さいものであり、 次いで、前記キヤン３１を焼ばめ温度に加熱
し、前記回転子鉄心２と前記押え板１３との外周
面に軸方向からら弾性限界内で圧入して回転子１
０を製造することを特徴とするキヤンドモータ回
転子製造方法。[Scope of Claims] 1. A squirrel cage rotor core 2 and a thin cylindrical metal can 31 are prepared, and the rotor core 2 has annular retaining plates 3 at both ends in the axial direction. The diameter at one end is slightly larger than the diameter at the other end,
The can 31 is finished so that the outer periphery has a slight inclination, and the can 31 is connected to the rotor core 2.
The inner diameter of one end is larger than the small diameter of the rotor core 2, and the inner diameter d of the other end is slightly smaller than the large diameter D of the rotor core 2; The can 31 is heated to a shrink fit temperature and press-fitted into the outer circumferential surfaces of the rotor core 2 and the presser plate 13 from the axial direction within the elastic limit, thereby forming the rotor 1.
1. A method for manufacturing a canned motor rotor, the method comprising: manufacturing a canned motor rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57165651A JPS5956837A (en) | 1982-09-22 | 1982-09-22 | Press-fitting can to rotor for canned motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57165651A JPS5956837A (en) | 1982-09-22 | 1982-09-22 | Press-fitting can to rotor for canned motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5956837A JPS5956837A (en) | 1984-04-02 |
| JPH022374B2 true JPH022374B2 (en) | 1990-01-17 |
Family
ID=15816404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57165651A Granted JPS5956837A (en) | 1982-09-22 | 1982-09-22 | Press-fitting can to rotor for canned motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5956837A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0524669U (en) * | 1991-09-12 | 1993-03-30 | 衛 初鹿 | elevator |
-
1982
- 1982-09-22 JP JP57165651A patent/JPS5956837A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0524669U (en) * | 1991-09-12 | 1993-03-30 | 衛 初鹿 | elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5956837A (en) | 1984-04-02 |
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