JPS6366408B2 - - Google Patents
Info
- Publication number
- JPS6366408B2 JPS6366408B2 JP56033637A JP3363781A JPS6366408B2 JP S6366408 B2 JPS6366408 B2 JP S6366408B2 JP 56033637 A JP56033637 A JP 56033637A JP 3363781 A JP3363781 A JP 3363781A JP S6366408 B2 JPS6366408 B2 JP S6366408B2
- Authority
- JP
- Japan
- Prior art keywords
- wound
- core
- magnetic steel
- steel plate
- pressure
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
【発明の詳細な説明】
本発明は各種電磁機器に使用される巻き鉄心の
製造法に関するものである。巻き鉄心は小型で鉄
損の少ないことが要求される。従来の巻き鉄心の
製造法は、第１図に示すように巻き芯１に磁性鋼
板２を巻回して歪取りの熱処理を行なつた後、樹
脂を含浸していた。この場合の鉄心の占積率（鉄
心の全体積に対する鋼板の体積が占める割合）は
約75％で、鉄心を小型化するためにはこの占積率
を高めることが必要であり、また鉄損を少くする
ためには鉄心の内部応力を制限することが必要で
ある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method of manufacturing a wound core used in various electromagnetic devices. The wound core is required to be small and have low iron loss. In the conventional method for manufacturing a wound core, as shown in FIG. 1, a magnetic steel plate 2 is wound around a wound core 1, heat treatment is performed to remove distortion, and then resin is impregnated. In this case, the space factor of the core (the ratio of the volume of the steel plate to the total volume of the core) is approximately 75%, and it is necessary to increase this space factor in order to downsize the core. In order to reduce this, it is necessary to limit the internal stress of the iron core.
本発明は鉄心の占積率を高めると共に、鉄心の
内部応力を制限することを目的とする巻き鉄心の
製造法である。以下その実施例を第２図について
説明する。１は巻き芯で、従来の工法により磁性
鋼板２が巻回される。磁性鋼板２は、超急冷法に
よつて製造される6.5％の珪素鋼板、あるいは鉄、
ホウ素、炭素、珪素等の非晶質合金鋼板で、厚さ
は150ミクロン以下、硬度（ヒツカース）は200以
上のものが本発明の目的を達成する上に有効であ
る。巻き芯１に巻回された磁性鋼板２はコイルを
巻装する部分に外側から治具によつて圧力が加え
られる。第２図において、３は治具の縁枠、４は
押板、５は加圧ボルトである。加圧によりこの巻
き鉄心のコイルを巻装する部分の厚さｂは第１図
の従来の鉄心の厚さａよりも薄くなり、コイルの
直径はそれだけ小さくなる。 The present invention is a method for manufacturing a wound core whose purpose is to increase the space factor of the core and limit the internal stress of the core. An embodiment thereof will be described below with reference to FIG. Reference numeral 1 denotes a winding core, on which a magnetic steel plate 2 is wound by a conventional construction method. The magnetic steel plate 2 is a 6.5% silicon steel plate manufactured by an ultra-quenching method, or iron,
An amorphous alloy steel plate made of boron, carbon, silicon, etc., with a thickness of 150 microns or less and a hardness of 200 or more is effective in achieving the object of the present invention. Pressure is applied from the outside by a jig to the portion of the magnetic steel plate 2 wound around the winding core 1 where the coil is wound. In FIG. 2, 3 is the edge frame of the jig, 4 is a push plate, and 5 is a pressure bolt. By applying pressure, the thickness b of the portion of this wound core around which the coil is wound becomes thinner than the thickness a of the conventional core shown in FIG. 1, and the diameter of the coil becomes smaller accordingly.
次に加圧した状態で熱処理が行なわれる。磁性
鋼板２が6.5％の珪素鋼板の場合は1000℃〜1200
℃で、Fe、Ｂ、Ｃ、Si等の非晶質合金鋼板の場
合は300℃〜400℃で約30分間行なわれる。熱処理
が終了して冷却した後、加圧したままの状態で樹
脂６の含浸が行なわれ、含浸した樹脂が硬化した
後に加圧を解除して治具から取り出す。 Next, heat treatment is performed under pressure. If magnetic steel plate 2 is a 6.5% silicon steel plate, the temperature is 1000°C to 1200°C.
In the case of amorphous alloy steel sheets such as Fe, B, C, Si, etc., the heating is carried out at 300°C to 400°C for about 30 minutes. After the heat treatment is completed and the sample is cooled, impregnation with resin 6 is carried out while the pressure is maintained, and after the impregnated resin has hardened, the pressure is released and the sample is taken out from the jig.
以上述べたように本発明の巻き鉄心の製造法
は、超急冷法により製造した厚さの薄い磁性鋼板
を巻き芯に巻回して治具に挿入し、巻回された磁
性鋼板のコイルを巻装する部分を外側から加圧し
て熱処理を行ない、熱処理を終了して冷却した
後、加圧したまゝの状態で樹脂含浸を行ない、含
浸した樹脂が硬化した後に加圧を解除することを
特徴とする。すなわち、加圧した状態で熱処理と
樹脂含浸が行なわれ、含浸した樹脂が硬化した後
に加圧が解除されるので、巻き鉄心は加圧の状態
が維持されて鉄損を増大させる内部応力を緩和す
る。また、加圧によつて鉄心の占積率は93％以上
になり、第１図の従来の鉄心の75％に比べて著し
く改善され電磁コイルを小型化する、すぐれた効
果を有する。 As described above, the method for manufacturing the wound core of the present invention involves winding a thin magnetic steel sheet manufactured by an ultra-quenching method around a winding core, inserting it into a jig, and then winding a coil of the wound magnetic steel sheet. The feature is that the part to be coated is heat-treated by applying pressure from the outside, and after the heat treatment is finished and cooled, resin impregnation is performed while the pressure remains applied, and the pressure is released after the impregnated resin has hardened. shall be. In other words, heat treatment and resin impregnation are performed under pressure, and the pressure is released after the impregnated resin has hardened, so the wound core remains pressurized and the internal stress that increases iron loss is alleviated. do. Moreover, the space factor of the core becomes 93% or more by pressurization, which is significantly improved compared to 75% of the conventional core shown in FIG. 1, and has an excellent effect of miniaturizing the electromagnetic coil.
第１図：従来の巻き鉄心を示す図、第２図：本
発明の巻き鉄心の製造に使用する治具を示す図
で、イは平面図、ロはそのXY断面図である。
〔記号〕、１……巻き芯、２……磁性鋼板、３
……縁枠、４……押板、５……加圧ボルト、６…
…樹脂。
FIG. 1: A diagram showing a conventional wound core, FIG. 2: A diagram showing a jig used for manufacturing the wound core of the present invention, in which A is a plan view and B is an XY sectional view thereof. [Symbol], 1... Winding core, 2... Magnetic steel plate, 3
...Edge frame, 4...Press plate, 5...Pressure bolt, 6...
…resin.
Claims (1)
巻回して治具に挿入し、巻回された磁性鋼板のコ
イルを巻装する部分全体を外側から加圧して熱処
理を行ない、熱処理を終了して冷却した後、加圧
したままの状態で樹脂含浸を行ない、含浸した樹
脂が硬化した後に加圧を解除することを特徴とす
る巻き鉄心の製造法。 ２ 前記超急冷法により製造した磁性鋼板は、厚
さが150ミクロン以下で硬度（ヒツカース）が200
以上であることを特徴とする特許請求の範囲１の
巻き鉄心の製造法。[Scope of Claims] 1. A magnetic steel plate manufactured by an ultra-quenching method is wound around a core and inserted into a jig, and the entire portion of the wound magnetic steel plate where the coil is wound is subjected to heat treatment by applying pressure from the outside. A method for producing a wound iron core, which is characterized in that, after cooling after finishing heat treatment, resin impregnation is carried out under pressure, and after the impregnated resin has hardened, the pressure is released. 2. The magnetic steel sheet manufactured by the ultra-quenching method has a thickness of 150 microns or less and a hardness of 200
The method for manufacturing a wound core according to claim 1, which is characterized by the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56033637A JPS57148561A (en) | 1981-03-09 | 1981-03-09 | Manufacture of wound core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56033637A JPS57148561A (en) | 1981-03-09 | 1981-03-09 | Manufacture of wound core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57148561A JPS57148561A (en) | 1982-09-13 |
| JPS6366408B2 true JPS6366408B2 (en) | 1988-12-20 |
Family
ID=12391961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56033637A Granted JPS57148561A (en) | 1981-03-09 | 1981-03-09 | Manufacture of wound core |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57148561A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0724246B2 (en) * | 1987-03-09 | 1995-03-15 | 株式会社日立製作所 | Method for manufacturing iron core for electromagnetic induction equipment |
| JPH07326533A (en) * | 1995-01-09 | 1995-12-12 | Toshiba Corp | Magnetic core manufacturing method |
| US6420813B1 (en) * | 1998-11-06 | 2002-07-16 | Alliedsignal Inc. | Bulk amorphous metal magnetic components for electric motors |
| US6803694B2 (en) | 1998-11-06 | 2004-10-12 | Metglas, Inc. | Unitary amorphous metal component for an axial flux electric machine |
| US7144468B2 (en) | 2002-09-05 | 2006-12-05 | Metglas, Inc. | Method of constructing a unitary amorphous metal component for an electric machine |
| WO2018235800A1 (en) * | 2017-06-21 | 2018-12-27 | 日立金属株式会社 | Method of manufacturing wound core and wound core |
| CN108922771B (en) * | 2018-07-13 | 2020-06-23 | 西安聚能超导磁体科技有限公司 | A precision winding device and method for large-diameter dipole coils |
| JP7103554B1 (en) * | 2020-10-26 | 2022-07-20 | 日本製鉄株式会社 | Winding iron core, manufacturing method of wound iron core and winding iron core manufacturing equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5851403B2 (en) * | 1977-03-09 | 1983-11-16 | 昇 津屋 | Manufacturing method of iron core for switching transformer |
| JPS55121622A (en) * | 1979-03-14 | 1980-09-18 | Toshiba Corp | Manufacture of c-cut core of wound-core |
-
1981
- 1981-03-09 JP JP56033637A patent/JPS57148561A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57148561A (en) | 1982-09-13 |
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