JPH0611178B2 - Method for manufacturing rotor of rotating electric machine - Google Patents
Method for manufacturing rotor of rotating electric machineInfo
- Publication number
- JPH0611178B2 JPH0611178B2 JP60004901A JP490185A JPH0611178B2 JP H0611178 B2 JPH0611178 B2 JP H0611178B2 JP 60004901 A JP60004901 A JP 60004901A JP 490185 A JP490185 A JP 490185A JP H0611178 B2 JPH0611178 B2 JP H0611178B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- electric machine
- axis
- magnetic pole
- rotor
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/22—Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators
- H02K19/24—Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators with variable-reluctance soft-iron rotors without winding
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/021—Magnetic cores
- H02K15/022—Magnetic cores with salient poles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Synchronous Machinery (AREA)
Description
【発明の詳細な説明】 〔発明の技術分野〕 本発明は回転電機の回転子の製造方法に関する。TECHNICAL FIELD OF THE INVENTION The present invention relates to a method for manufacturing a rotor of a rotary electric machine.
〔発明の技術的背景とその問題点〕 超高速回転電機として２極の爪形磁極回転電機が実用化
されつつあり、既に実用化された例として、特許第1063
745号（特公昭56−4091号）の如く、一対のつめ形磁極
の極間を非磁性材にて溶融盛金により溶接する製造方法
がある。この方法によると、磁極は設計通り機械加工に
て製作できるが、非磁性材を溶融盛金する際、磁極を溶
かすため、製造完了後、切断して断面をみると、磁極と
盛金との境界線が第１図のように直線でなく、第２図の
ような乱れた曲線になつている。これらの図において、
(1)は磁極、(2)は非磁性体、(13)は曲面を示す。即ち第
２図のような乱れた曲線の磁極を有する回転電機は、磁
束分布が不安定のため、振動が多く発生したり、設計通
りの電気的特性を得られず、重量当りの出力も十分でな
いものが多かつた。更に溶融盛金をする作業時間が多く
かかり、保温に注意しないと割れが入る恐れがあり、作
業者の熱練を必要とする欠点があつた。[Technical Background of the Invention and Problems Thereof] A 2-pole claw-shaped magnetic pole rotating electric machine is being put to practical use as an ultra-high speed rotating electric machine, and as an example already put into practical use, there is Patent No. 1063.
No. 745 (Japanese Patent Publication No. 56-4091), there is a manufacturing method in which a gap between a pair of claw-shaped magnetic poles is welded with a non-magnetic material by means of molten metal welding. According to this method, the magnetic pole can be manufactured by machining as designed, but when the non-magnetic material is melt-polished, the magnetic pole is melted. The boundary line is not a straight line as in FIG. 1 but a distorted curve as in FIG. In these figures,
(1) shows a magnetic pole, (2) shows a non-magnetic material, and (13) shows a curved surface. That is, in a rotary electric machine having a magnetic pole with a distorted curve as shown in Fig. 2, since the magnetic flux distribution is unstable, a large amount of vibration occurs, the electrical characteristics as designed cannot be obtained, and the output per weight is sufficient. Many were not. Further, it takes a lot of time to carry out the molten metal deposit, and if care is not taken to keep the temperature, cracks may occur, and there is a drawback that the operator needs to heat the material.
本発明の目的は、堅牢で、重量当りの出力の大きい設計
通りの特性が得られ、作業時間を短縮できる回転電機の
回転子の製造方法を提供することにある。An object of the present invention is to provide a method of manufacturing a rotor of a rotary electric machine, which is robust, has a large output per weight, can be obtained as designed, and can shorten the working time.
本発明においては、夫々一端に軸を有し、軸線に対し所
定半径の極面をもち、断面が扇形をなすと共に、軸線と
所定角度で交わる傾斜軸線に沿つて磁極空間を介して軸
側の断面が大きく、先端に行く程断面が小さくなる爪形
の一対、又はくし形で交差させた複数対の磁極を製作
し、前記磁極空間を埋める非磁性体金属を別に製作し、
この非磁性体金属を中央に挟み、真空加熱炉中で加圧
し、その後、加熱して磁極と非磁性体金属を拡散接合に
より一体化させることにより、磁極の形状を崩すことな
く、堅牢で、重量当りの出力の大きい、設計通りの特性
が得られ、作業時間を短縮できる回転電機の回転子の製
造方法とするものである。In the present invention, each has an axis at one end, has a pole surface of a predetermined radius with respect to the axis, has a fan-shaped cross-section, and extends along the inclined axis intersecting the axis at a predetermined angle through the magnetic pole space to the axial side. A pair of claw-shaped magnetic poles having a large cross-section and a smaller cross-section toward the tip, or a plurality of pairs of magnetic poles crossed in a comb shape are manufactured, and a nonmagnetic metal for filling the magnetic pole space is manufactured separately,
By sandwiching this non-magnetic metal in the center, pressurizing it in a vacuum heating furnace, and then heating it to integrate the magnetic pole with the non-magnetic metal by diffusion bonding, the shape of the magnetic pole is not destroyed and it is robust. A method of manufacturing a rotor of a rotary electric machine, which can obtain a designed output having a large output per weight and can shorten a working time.
以下、本発明の一実施例について、第１図および第３
図、第４図を参照して説明する。この実施例において
は、爪形磁極(1)を２個で一対とした２極の回転子につ
いて説明する。An embodiment of the present invention will be described below with reference to FIGS.
This will be described with reference to FIGS. In this embodiment, a two-pole rotor having a pair of two claw-shaped magnetic poles (1) will be described.
磁極(1)は夫々一端に軸(12)を有し、軸線Ａに対し、所
定半径（設計で決める）の極面(13)をもつ略扇形の断面
をなすと共に、前記軸線Ａと所定の角度（設計で決め
る）で交わる傾斜軸線Ｂに沿つて、前記軸(12)側の断面
が大きく、先端に行く程小さくなつている。この磁極
(1)を２個、互いに斜面が向き合うように軸線Ａ上に設
置する。両磁極(1)，(1)の空間中央部を埋める非磁性体
金属(2)を別に製作し、両磁極中央部に配置する。そし
て両磁極外面に当接するように、内面円弧状で外面テー
パ状の挟み治具(3)にて挟み、この挟み治具(3)のテーパ
に合せたテーパ孔を有する外側治具(4)内に挿入する。
そして図示しない油圧装置で、Ａ矢印の方向に加圧し得
るようにして、ヒータ(5)を有する真空加熱路(6)中に設
置する。(7)は真空排気口である。The magnetic poles (1) each have an axis (12) at one end, and have a substantially fan-shaped cross section having a pole surface (13) of a predetermined radius (determined by design) with respect to the axis A, and the magnetic pole (1) and the axis A have a predetermined shape. Along the inclined axis B intersecting at an angle (determined by design), the cross section on the side of the shaft (12) is large, and becomes smaller toward the tip. This magnetic pole
Two (1) are installed on the axis A with their slopes facing each other. A non-magnetic metal (2) that fills the center of the space between the two magnetic poles (1) and (1) is manufactured separately and placed in the center of both magnetic poles. Then, it is sandwiched by a sandwiching jig (3) having an arcuate inner surface and a tapered outer surface so as to abut the outer surfaces of both magnetic poles, and an outer jig (4) having a taper hole that matches the taper of this sandwiching jig (3). Insert inside.
Then, it is installed in a vacuum heating path (6) having a heater (5) so that a hydraulic device (not shown) can pressurize in the direction of arrow A. (7) is a vacuum exhaust port.
このように配置したならば、真空度約１０-4Torr，温度
約1000℃、圧力約２kgf/mm2で、真空加熱加圧を約60分
行なう。With this arrangement, vacuum heating and pressurization are performed for about 60 minutes at a vacuum degree of about 10 −4 Torr, a temperature of about 1000 ° C. and a pressure of about 2 kgf / mm 2 .
次に作用について説明する。Next, the operation will be described.
Ａ矢印の方向に油圧を加えると、挟み治具(3)が外側治
具(4)のテーパ孔に案内されて絞られ、磁極(1)，(1)を
介して非磁性体金属(2)を押圧することになる。この状
態で真空加熱加圧を、前記数字の値程度に行なうことに
より、磁極(1)，(1)の金属と非磁性体金属(2)とが拡散
接合され、極めて強固，堅牢に構成された回転子を得る
ことができる。そして、磁極(1)および非磁性体金属(2)
は機械加工により、設計通りの正確な形状に製作するこ
とが可能で、更にこれを真空加熱加圧により拡散接合す
るので、接合面の変形が少なく、設計通りの特性の回転
子が得られる。When hydraulic pressure is applied in the direction of arrow A, the pinching jig (3) is guided and narrowed by the tapered hole of the outer jig (4), and the non-magnetic metal (2) is passed through the magnetic poles (1) and (1). ) Will be pressed. By applying vacuum heating and pressurization to the above values in this state, the metal of the magnetic poles (1) and (1) and the non-magnetic metal (2) are diffusion-bonded to form an extremely strong and robust structure. You can get a good rotor. And the magnetic pole (1) and non-magnetic metal (2)
Can be manufactured into an accurate shape as designed by machining, and since it is diffusion-bonded by vacuum heating and pressing, deformation of the bonding surface is small, and a rotor having characteristics as designed can be obtained.
尚、本発明は上記し、かつ図面に示した実施例のみに限
定されることなく、その要旨を変更しない範囲で、例え
ば４極や６極等、多極の回転子にも適用できることは勿
論である。The present invention is not limited to the embodiments described above and shown in the drawings, and of course can be applied to a multi-pole rotor such as 4-pole or 6-pole without departing from the scope of the invention. Is.
以上説明したように、爪形の一対、又はくし形の複数対
の磁極と、その磁極空間を埋める非磁性体金属とを別々
に作つて組合せ、真空加熱加圧して相互を拡散接合させ
るので、堅牢にして重量当たりの出力の大きい、設計通
りの磁極で作業時間の短かい、回転電機の回転子を製造
できる効果がある。As described above, a pair of claw-shaped magnetic poles or a plurality of pairs of comb-shaped magnetic poles and a nonmagnetic metal that fills the magnetic pole space are separately formed and combined, and vacuum heating and pressurization are performed to diffuse and bond each other. There is an effect that it is possible to manufacture a rotor of a rotating electric machine which is robust and has a large output per weight, a designed magnetic pole and a short working time.
第１図は本発明の方法の一実施例で製造した回転電機の
回転子の横断面図、第２図は従来方法で製造した回転子
の第１図相当部分の横断面図、第３図は第１図の回転子
の要部破断立面図、第４図は第１図および第３図に示し
た回転子の製造途中の真空加熱加圧工程における装置の
縦断面図である。 １……磁極、２……非磁性体金属 ３……挟み治具、４……外側磁具 ５……ヒータ、６……真空加熱炉 12……軸、13……極面 Ａ……軸線、Ｂ……傾斜軸線1 is a cross-sectional view of a rotor of a rotary electric machine manufactured by an embodiment of the method of the present invention, FIG. 2 is a cross-sectional view of a rotor manufactured by a conventional method corresponding to FIG. 1, and FIG. FIG. 4 is a fragmentary elevation view of the rotor of FIG. 1, and FIG. 4 is a vertical cross-sectional view of the apparatus in the vacuum heating and pressing step during the manufacturing of the rotor shown in FIGS. 1 and 3. 1 ... Magnetic pole, 2 ... Non-magnetic metal 3 ... Clamping jig, 4 ... Outer porcelain 5 ... Heater, 6 ... Vacuum heating furnace 12 ... Shaft, 13 ... Polar surface A ... Axis , B …… Inclination axis
Claims (1)
の極面をもち、断面が扇形をなすと共に、軸線と所定角
度で交わる傾斜軸線に沿って磁極空間を介して軸側の断
面が大きく、先端に行く程断面が小さくなる爪形の一
対、又はくし形で交差させた複数対の磁極を製作し、前
記磁極空間を埋める非磁性体金属を別に製作し、この非
極性体金属を中央に挟み、真空加熱炉中で加圧し、その
後、加熱して磁極と非磁性体金属を拡散接合により一体
化させることを特徴とする回転電機の回転子の製造方
法。1. A shaft having a shaft at one end, a pole surface having a predetermined radius with respect to the axis, a cross section of a sector shape, and a shaft side through a magnetic pole space along an inclined axis intersecting the axis at a predetermined angle. A pair of claw-shaped magnetic poles having a large cross-section and a smaller cross-section toward the tip or a plurality of pairs of magnetic poles crossed in a comb shape are manufactured, and a non-magnetic metal that fills the magnetic pole space is separately manufactured. A method for manufacturing a rotor of a rotating electric machine, comprising sandwiching a metal in the center, pressurizing it in a vacuum heating furnace, and then heating it to integrate the magnetic pole and the non-magnetic metal by diffusion bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60004901A JPH0611178B2 (en) | 1985-01-17 | 1985-01-17 | Method for manufacturing rotor of rotating electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60004901A JPH0611178B2 (en) | 1985-01-17 | 1985-01-17 | Method for manufacturing rotor of rotating electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61167357A JPS61167357A (en) | 1986-07-29 |
| JPH0611178B2 true JPH0611178B2 (en) | 1994-02-09 |
Family
ID=11596564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60004901A Expired - Lifetime JPH0611178B2 (en) | 1985-01-17 | 1985-01-17 | Method for manufacturing rotor of rotating electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611178B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0253263U (en) * | 1988-10-03 | 1990-04-17 |
-
1985
- 1985-01-17 JP JP60004901A patent/JPH0611178B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61167357A (en) | 1986-07-29 |
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