JPH0342688B2 - - Google Patents
Info
- Publication number
- JPH0342688B2 JPH0342688B2 JP60263809A JP26380985A JPH0342688B2 JP H0342688 B2 JPH0342688 B2 JP H0342688B2 JP 60263809 A JP60263809 A JP 60263809A JP 26380985 A JP26380985 A JP 26380985A JP H0342688 B2 JPH0342688 B2 JP H0342688B2
- Authority
- JP
- Japan
- Prior art keywords
- winding
- water
- insulating layer
- coil
- stirring device
- 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
- 238000004804 winding Methods 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 11
- 239000010445 mica Substances 0.000 claims description 11
- 229910052618 mica group Inorganic materials 0.000 claims description 11
- 239000004952 Polyamide Substances 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920002647 polyamide Polymers 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 229930185605 Bisphenol Natural products 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 6
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 6
- 239000003085 diluting agent Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 5
- 239000004760 aramid Substances 0.000 claims description 5
- 229920003235 aromatic polyamide Polymers 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 229920006267 polyester film Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000004020 conductor Substances 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229920000784 Nomex Polymers 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004763 nomex Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/44—Protection against moisture or chemical attack; Windings specially adapted for operation in liquid or gas
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K44/00—Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or vice versa
- H02K44/02—Electrodynamic pumps
- H02K44/06—Induction pumps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Continuous Casting (AREA)
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、電磁撹拌装置に使用する水冷巻線
に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a water-cooled winding used in an electromagnetic stirring device.
電磁撹拌装置は、狭い場所に設置されるため、
大きさをコンパクトに設計する必要がある。ま
た、大電流を流して使用する場合があるので、巻
線すなわちコイルなど過熱する部分を冷却する必
要がある。コイルを空冷により冷却した電磁撹拌
装置の場合には、一般に３〜5A／mm2程度までの
最大電流密度で使用することができるが、最大電
流密度が10A／mm2を越えるような場合には使用す
ることができない。従つて、このような場合に
は、コイルを水冷にした電磁撹拌装置が使用され
ている。
Since electromagnetic stirring devices are installed in narrow spaces,
It is necessary to design the size to be compact. In addition, since there are cases where a large current is passed through the device, it is necessary to cool parts that become overheated, such as the windings, that is, the coil. In the case of an electromagnetic stirring device whose coil is cooled by air cooling, it can generally be used at a maximum current density of about 3 to 5 A/ mm2 , but if the maximum current density exceeds 10A/ mm2, cannot be used. Therefore, in such cases, an electromagnetic stirring device with a water-cooled coil is used.
第１図はこの発明の水冷電磁撹拌装置における
巻線部の断面図であり、第２図は第１図の装置に
のコイルの拡大断面図であるが、この発明の水冷
電磁撹拌装置における巻線部の構成は、従来技術
の例えば特開昭53−25235号公報に記載の水冷電
磁撹拌装置における巻線部と構成が同じであるの
で、この公報に記載の水冷電磁撹拌装置における
巻線部についても、第１図及び第２図を援用して
説明する。 FIG. 1 is a cross-sectional view of the winding portion of the water-cooled electromagnetic stirring device of the present invention, and FIG. 2 is an enlarged cross-sectional view of the coil in the device of FIG. The configuration of the wire section is the same as that of the winding section in the water-cooled electromagnetic stirring device described in the prior art, for example, Japanese Patent Application Laid-Open No. 53-25235, so the winding section in the water-cooled electromagnetic stirring device described in this publication will also be explained with reference to FIGS. 1 and 2.
第１図において、１は電線が小判形に巻かれた
巻線を構成するコイルであり、このコイル１に鉄
心２が挿入され、ウエツジ３やスぺーサー４によ
つて鉄心２に固定される。鉄心２に固定されたコ
イル１は絶縁のため一体として樹脂が含浸処理さ
れる。 In Fig. 1, 1 is a coil constituting a winding in which electric wire is wound into an oval shape, and an iron core 2 is inserted into this coil 1, and is fixed to the iron core 2 with a wedge 3 and a spacer 4. . The coil 1 fixed to the iron core 2 is integrally impregnated with resin for insulation.
第２図において、５は必要ターンで形成された
導体であり、例えば平角電線である。この導体５
の表面には例えばポリイミドフイルムが半重ね巻
で数回巻回され、ターン絶縁層６が形成される。
さらに、このターン絶縁層６の上層には例えばガ
ラステープが導体５を一括して２回半重ね巻で巻
回され、絶縁層７が主絶縁層として形成される。 In FIG. 2, 5 is a conductor formed of necessary turns, for example, a rectangular electric wire. This conductor 5
For example, a polyimide film is wound several times in a half-overlap manner on the surface of the turn insulating layer 6.
Further, on the upper layer of the turn insulating layer 6, for example, a glass tape is wound around the conductor 5 in two and a half turns to form an insulating layer 7 as a main insulating layer.
従来の水冷による電磁撹拌装置の場合、ターン
絶縁層６は耐水性の良い絶縁材料であることが必
要であり、空冷の場合の絶縁層７の主絶縁層の役
割も兼ねたものであることが必要である。従つ
て、この場合には絶縁層７は各々のターン導体５
を束ねる役割を果たし、且つターン絶縁層６で兼
ね備えた主絶縁すなわち耐水絶縁の役割をカバー
する働きを持つように絶縁層の役割が変えられ、
ターン絶縁層の負担が大きくなる。 In the case of a conventional water-cooled electromagnetic stirring device, the turn insulating layer 6 must be made of an insulating material with good water resistance, and in the case of air cooling, the turn insulating layer 6 must also serve as the main insulating layer. is necessary. Therefore, in this case the insulating layer 7 covers each turn conductor 5.
The role of the insulating layer is changed so that it plays the role of bundling the turn insulating layer 6 and also covers the role of main insulation, that is, water-resistant insulation, which is also performed by the turn insulating layer 6.
This increases the burden on the turn insulating layer.
上記のような従来の電磁撹拌装置の巻線では、
ターン絶縁層６は耐水性であり、コイルターン間
の絶縁のみならず、コイルターン全体の絶縁（主
絶縁）の役割を果たすことが必要であるため、そ
の厚さが厚くなり、コイル全体として大きくなる
欠点があつた。また、フイルムを多層巻いて絶縁
層とした電線をコイル成形加工するので、加工劣
化を受けやすく、コイル１の寿命が短くなる欠点
があつた。一方、上記電線を成形加工してからタ
ーン絶縁層６を施すと、作業が繁雑で非常に工数
がかかり、経済的に不利になる欠点があつた。
In the winding of the conventional electromagnetic stirring device as mentioned above,
The turn insulating layer 6 is water resistant and needs to play the role of not only insulating between coil turns but also insulating the entire coil turn (main insulation), so its thickness becomes thicker and the coil as a whole becomes larger. There was a drawback. Furthermore, since the wire is formed into a coil by winding multiple layers of film to form an insulating layer, it is susceptible to processing deterioration, resulting in a shortened lifespan of the coil 1. On the other hand, when the turn insulating layer 6 is applied after forming the electric wire, the work is complicated and requires a large number of man-hours, which is disadvantageous economically.
この発明は、かかる問題点を解決するためにな
されたもので、コイルの仕上がり寸法が小さく、
また、従来装置に比較して耐水性が非常に優れ、
寿命が長く、しかも機械的剛性にも優れた電磁撹
拌装置用水冷巻線を得ることを目的とする。 This invention was made to solve this problem, and the finished size of the coil is small.
In addition, it has superior water resistance compared to conventional equipment.
The purpose of the present invention is to obtain a water-cooled winding for an electromagnetic stirring device that has a long life and excellent mechanical rigidity.
この発明に係る電磁撹拌装置用水冷巻線は、タ
ーン絶縁層として高分子フイブリツドが混入され
た集成マイカ箔にバツキング材を熱融着した集成
マイカテープが巻回された平角電線の巻線に、主
絶縁層としてポーラスで樹脂の含浸性のよいポリ
アミド繊維が巻回され、さらにこの巻線にエポキ
シ樹脂が含浸されたものである。
The water-cooled winding for an electromagnetic stirrer according to the present invention includes a rectangular electric wire winding wound with a laminated mica tape made by heat-sealing a backing material to laminated mica foil mixed with polymeric fibrils as a turn insulating layer. A porous polyamide fiber with good resin impregnation properties is wound as the main insulating layer, and this winding is further impregnated with an epoxy resin.
この発明においては、高分子フイブリツドが混
入されて造られた集成マイカテープが巻回された
平角電線を巻いた巻線に、樹脂が含浸しやすいポ
ーラスな状態のポリアミド繊維が巻回され、これ
にエポキシ樹脂が含浸、硬化されているので、機
械的に剛性が強く、耐水性に優れ、しかも長寿命
を達成することができる。
In this invention, a polyamide fiber in a porous state that is easily impregnated with resin is wound around a winding made of a rectangular electric wire wrapped with a laminated mica tape made by mixing polymer fibrils. Since it is impregnated and cured with epoxy resin, it has strong mechanical rigidity, excellent water resistance, and long life.
この発明に使用する高分子フイブリツドとは、
短繊維粒子であり、例えば次の構造式の繰り返し
からなる：
−NH−Ar1−NH−CO−Ar2−CO− 又は
−NH−Ar3−CO−（Ar1，Ar2，Ar3は二価芳香
族基）。 The polymer fibrids used in this invention are:
They are short fibrous particles, for example consisting of repeats of the following structural formula: -NH-Ar 1 -NH-CO-Ar 2 -CO- or -NH-Ar 3 -CO- (Ar 1 , Ar 2 , Ar 3 are divalent aromatic group).
好適には例えば芳香族ポリアミドフイブリツド
が使用できる。この高分子フイブリツドは集成マ
イカ箔に対して１〜９重量％混入する。混入量が
１重量％未満であると、でき上がつた集成マイカ
テープの強度が低く、混入量が９重量％を越える
と、集成マイカテープに樹脂が混入できず好まし
くない。 For example, aromatic polyamide fibrils can be suitably used. The polymer fibrils are mixed in an amount of 1 to 9% by weight based on the mica foil assembly. If the mixing amount is less than 1% by weight, the strength of the finished composite mica tape will be low, and if the mixing amount exceeds 9% by weight, the resin cannot be mixed into the composite mica tape, which is not preferable.
この発明に用いるバツキング材としては、芳香
族ポリアミドフイルム、ポリイミドフイルム、ポ
リエステルフイルム、又はポリパラバニツク酸フ
イルムが使用できる。 As the backing material used in this invention, aromatic polyamide film, polyimide film, polyester film, or polyparabanic acid film can be used.
この発明に用いるポリアミド繊維としては、通
気量が好適には25〜20秒／100cm3−空気のもので
ある。通気量が25秒／cm3−空気を越えると樹脂
の保持性が悪くなり、樹脂が漏れてしまうので好
ましくない。また、このポリアミド繊維は厚さ
0.08mm（３ミル）で面積係数が40〜60ｇ／m2又は
厚さ0.13mm（５ミル）で面積係数が70〜90ｇ／m2
のものが好適に使用でき、また、ポリアミドぺー
パーも使用できる。例えばノーメツクス
（NOMEX）ぺーパー＃424（米国デユポン社商品
名）が好適である。 The polyamide fiber used in this invention preferably has an air permeability of 25 to 20 seconds/100 cm 3 -air. If the ventilation rate exceeds 25 seconds/cm 3 -air, the retention of the resin will deteriorate and the resin will leak, which is not preferable. Also, this polyamide fiber has a thickness
0.08 mm (3 mils) with an area factor of 40-60 g/m 2 or a thickness of 0.13 mm (5 mils) with an area factor of 70-90 g/m 2
Polyamide paper can also be used. For example, NOMEX paper #424 (trade name of DuPont, USA) is suitable.
巻線に含浸されるエポキシ樹脂としては、ビス
フエノール型エポキシ、反応性希釈剤例えばジグ
リシジルエーテル系反応性希釈剤、及びアミン系
硬化剤からなるエポキシ樹脂が好適に使用でき
る。 As the epoxy resin to be impregnated into the winding wire, an epoxy resin consisting of a bisphenol type epoxy, a reactive diluent such as a diglycidyl ether type reactive diluent, and an amine type curing agent can be suitably used.
第２図において、導体５として平角電線を使用
し、この平角電線に芳香族ポリアミドフイブリツ
ドを９重量％混入した集成マイカ箔に芳香族ポリ
アミドぺーパーを熱融着してバツキングとした集
成マイカテープを1/3重巻きで２回施してターン
絶縁層６とした。導体５は所要回数コイルに巻か
れ、目的とする形状に成形した。次に、主絶縁層
７として面積係数81.4ｇ／m2で通気量25秒／100
cm3−空気以下（ASTM D726A法）の密度を有
するポリアミドぺーパーからなる厚さ0.13mm（５
ミル）、幅19mmのテープを上記コイルに４回半重
ね巻きした。このコイル１に第１図の鉄心２を挿
入し、ウエツジ３、スぺーサー４等を用いて固定
し、結線を行なつた。この結線部も上記と同様に
ターン絶縁及び主絶縁を行い、さらにこのコイル
１をビスフエノール型エポキシ、反応性希釈剤、
アミン系硬化剤からなるエポキシ樹脂を用いて真
空加圧含浸を行い、回転乾燥を行いながら、含浸
樹脂を重合硬化させた。
In Fig. 2, a rectangular electric wire is used as the conductor 5, and an aromatic polyamide paper is heat-sealed to the laminated mica foil mixed with 9% by weight of aromatic polyamide fibrils to the rectangular electric wire to form a backing. The tape was wrapped twice in a 1/3 layer to form a turn insulating layer 6. The conductor 5 was wound into a coil the required number of times and formed into the desired shape. Next, as the main insulating layer 7, the area coefficient is 81.4 g/m 2 and the airflow rate is 25 seconds/100.
cm 3 - 0.13 mm (5 mm) thick polyamide paper with a density below air (ASTM D726A method)
A tape with a width of 19 mm was wrapped around the above coil four and a half times. The iron core 2 shown in FIG. 1 was inserted into this coil 1, fixed using wedges 3, spacers 4, etc., and wire connections were made. This connection section also performs turn insulation and main insulation in the same manner as above, and furthermore, this coil 1 is coated with bisphenol type epoxy, reactive diluent,
Vacuum pressure impregnation was performed using an epoxy resin made of an amine curing agent, and the impregnated resin was polymerized and cured while being rotary dried.
このようにして作つたコイルの水中課電劣化特
性について実験を行つた。この実験は、コイルを
水中に入れて電圧を印加した場合に、コイルがパ
ンクするまでの印加電圧と時間との関係から劣化
特性を求めるものである。このようにして得られ
た結果を第３図に示した。図中、曲線Ａはこの発
明によるコイルの場合、曲線Ｂは従来のコイルの
場合である。この図から、この発明によるコイル
の劣化特性は、従来のコイルに比較して遥かに優
れた特性を有することがわかる。これは、この発
明の主絶縁層７が非常に緻密になつているため、
耐水性、課電劣化がかなり向上したものと考えら
れる。従つて、従来、各ターン絶縁層６に耐水性
を持たせたものと比較して、遥かに優れた信頼性
を有する。 Experiments were conducted to determine the deterioration characteristics of the coils fabricated in this manner. In this experiment, when a coil is immersed in water and a voltage is applied, the deterioration characteristics are determined from the relationship between the applied voltage and the time until the coil becomes punctured. The results thus obtained are shown in FIG. In the figure, curve A is for the coil according to the present invention, and curve B is for the conventional coil. From this figure, it can be seen that the deterioration characteristics of the coil according to the present invention are far superior to those of conventional coils. This is because the main insulating layer 7 of the present invention is very dense.
It is thought that the water resistance and deterioration due to electrical charging have been significantly improved. Therefore, compared to the conventional structure in which each turn insulating layer 6 has water resistance, it has far superior reliability.
なお、上記実施例では、含浸樹脂としてビスフ
エノールエポキシ、反応性希釈剤、アミン系硬化
剤からなるエポキシ樹脂を用いたが、主絶縁層と
して通気量が25秒／100m3−空気以下のポーラス
なポリアミドぺーパーを使う限り、他のエポキシ
樹脂を用いても上記と同様の結果が得られる。 In the above example, an epoxy resin consisting of bisphenol epoxy, a reactive diluent, and an amine curing agent was used as the impregnating resin, but a porous resin with an air flow rate of 25 seconds/100 m 3 -air or less was used as the main insulating layer. Similar results can be obtained using other epoxy resins as long as polyamide paper is used.
この発明は以上説明したとおり、高分子フイブ
リツドが１〜９重量％混入された集成マイカ箔に
バツキング材を熱融着した集成マイカテープをタ
ーン絶縁として巻回された平角電線の巻線に、通
気量25秒／100cm3−空気以下のポリアミド繊維が
主絶縁として巻回され、該主絶縁が施された巻線
にビスフエノール型エポキシ、反応性希釈剤及び
アミン系硬化剤からなるエポキシ樹脂が含浸、硬
化されていることによつて、ターン絶縁層が強固
でしかも耐水性に優れ、且つ安価な電磁撹拌装置
用水冷巻線が得られる効果がある。
As explained above, the present invention provides ventilation for windings of rectangular electric wires wound with laminated mica tape, which is made by heat-sealing a backing material to laminated mica foil containing 1 to 9% by weight of polymeric fibrils, as turn insulation. 25 seconds/100cm 3 - A polyamide fiber of less than air is wound as the main insulation, and the winding with the main insulation is impregnated with an epoxy resin consisting of bisphenol type epoxy, a reactive diluent, and an amine hardener. By being hardened, the turn insulating layer is strong and has excellent water resistance, and an inexpensive water-cooled winding for an electromagnetic stirrer can be obtained.
第１図はこの発明の一実施例による水冷電磁撹
拌装置における巻線部の断面図であり同時に従来
の水冷電磁撹拌装置における巻線部の断面図、第
２図は第１図の装置におけるコイルの拡大断面
図、第３図はこの発明の一実施例による又は従来
の水冷電磁撹拌装置に使用するコイルの水中課電
劣化特性を示す線図である。
図において、１はコイル、２は鉄心、３はウエ
ツジ、４はスぺーサー、５は導体、６はターン絶
縁層、７は（主）絶縁層である。
FIG. 1 is a sectional view of a winding section in a water-cooled electromagnetic stirring device according to an embodiment of the present invention, and at the same time, a sectional view of a winding section in a conventional water-cooled electromagnetic stirring device, and FIG. 2 is a sectional view of the winding section in the device of FIG. FIG. 3 is an enlarged sectional view of FIG. 3, which is a diagram showing the deterioration characteristics of a coil used in an embodiment of the present invention or a conventional water-cooled electromagnetic stirring device under water. In the figure, 1 is a coil, 2 is an iron core, 3 is a wedge, 4 is a spacer, 5 is a conductor, 6 is a turn insulating layer, and 7 is a (main) insulating layer.
Claims (1)
た集成マイカ箔にバツキング材を熱融着した集成
マイカテープをターン絶縁として巻回された平角
電線の巻線に、通気量25秒／100cm3−空気以下の
ポリアミド繊維が主絶縁として巻回され、該主絶
縁が施された巻線にビスフエノール型エポキシ、
反応性希釈剤及びアミン系硬化剤からなるエポキ
シ樹脂が含浸、硬化されていることを特徴とする
電磁撹拌装置用水冷巻線。 ２ バツキング材が芳香族ポリアミドフイルム、
ポリイミドフイルム、ポリエステルフイルム、又
はポリパラバニツク酸フイルムである特許請求の
範囲第１項記載の電磁撹拌装置用水冷巻線。[Scope of Claims] 1. The winding of a rectangular electric wire is wound with a laminated mica tape, which is made by heat-sealing a backing material to a laminated mica foil containing 1 to 9% by weight of polymer fibrils, as turn insulation. 25 seconds/100cm 3 - Polyamide fiber below air is wound as the main insulation, and bisphenol type epoxy, bisphenol type epoxy,
A water-cooled winding for an electromagnetic stirring device characterized by being impregnated with and hardened with an epoxy resin consisting of a reactive diluent and an amine hardening agent. 2 The bucking material is an aromatic polyamide film,
The water-cooled winding for an electromagnetic stirring device according to claim 1, which is a polyimide film, a polyester film, or a polyparabanic acid film.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60263809A JPS62125838A (en) | 1985-11-26 | 1985-11-26 | Water cooling winding for electromagnetic stirring apparatus |
| KR1019860002803A KR900000433B1 (en) | 1985-11-26 | 1986-04-12 | Water cooling winding for electronic stirring device |
| CN86103439.2A CN1003546B (en) | 1985-11-26 | 1986-05-21 | Electromagnetic stirring device water-cooled winding |
| US06/891,906 US4836769A (en) | 1985-11-26 | 1986-08-01 | Water-cooled winding for electromagnetic stirrer |
| AU61552/86A AU572029B2 (en) | 1985-11-26 | 1986-08-18 | Water-cooled winding for electromagnetic stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60263809A JPS62125838A (en) | 1985-11-26 | 1985-11-26 | Water cooling winding for electromagnetic stirring apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62125838A JPS62125838A (en) | 1987-06-08 |
| JPH0342688B2 true JPH0342688B2 (en) | 1991-06-28 |
Family
ID=17394540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60263809A Granted JPS62125838A (en) | 1985-11-26 | 1985-11-26 | Water cooling winding for electromagnetic stirring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62125838A (en) |
-
1985
- 1985-11-26 JP JP60263809A patent/JPS62125838A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62125838A (en) | 1987-06-08 |
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