JPS5538009A - Manufacturing of resin mold coil - Google Patents
Manufacturing of resin mold coilInfo
- Publication number
- JPS5538009A JPS5538009A JP10973878A JP10973878A JPS5538009A JP S5538009 A JPS5538009 A JP S5538009A JP 10973878 A JP10973878 A JP 10973878A JP 10973878 A JP10973878 A JP 10973878A JP S5538009 A JPS5538009 A JP S5538009A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- sheet
- prepregnated
- wound
- layers
- 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
Landscapes
- Insulating Of Coils (AREA)
Abstract
PURPOSE: To enable wire to be coiled smaller as a whole and also to reduce volume of the coiling operatinon by providing an insulation layer of prepregnated sheet at least on the side of a low voltage coil, which is not adjacent to a high voltage coil, and molding these two coils as an integrated unit.
CONSTITUTION: A 130mm wide prepregnated sheet 3, made by coating epoxy resin onto a glass cloth, is wound on a 150mm ϕ steel-made cylindrical inner mold in five layers to make it 1.5mm thick, and a 1.5mm thick and 100mm wide aluminum sheet and an aromatic polyamide paper are also wound on thus prepared inner mold in four layers to make a low voltage coil 1. A columnar spacing piece of 10mmϕ×120mm, consisting of epoxy resin containing 40vol% of silica, is placed on the coil, and a 4mm thick aluminum sheet and an armatic polyamide paper are wound in sixty layers to prepare a high voltage coil 2. A steel outer mold and a side plate are assembled and heated at 150°C for there hours for curing of the prepregnated sheet and drying of a coil conductor section. And then, thus prepared coil is impregnated with epoxy mold resin 4 in vacuum and heated for 15 hours each at respective temperatures of 120°C and 150°C for allowing it to be cured and then, as a result, it is possible to obtain a coil smaller in diameter than the conventional one by approximately 15mm.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10973878A JPS5538009A (en) | 1978-09-08 | 1978-09-08 | Manufacturing of resin mold coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10973878A JPS5538009A (en) | 1978-09-08 | 1978-09-08 | Manufacturing of resin mold coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5538009A true JPS5538009A (en) | 1980-03-17 |
Family
ID=14517987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10973878A Pending JPS5538009A (en) | 1978-09-08 | 1978-09-08 | Manufacturing of resin mold coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5538009A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59103322A (en) * | 1982-12-03 | 1984-06-14 | Mitsubishi Electric Corp | Manufacture of mold type coil |
| JP2007120679A (en) * | 2005-10-28 | 2007-05-17 | Sun Wave Ind Co Ltd | Plate material joint structure |
| JP2012138596A (en) * | 2012-02-20 | 2012-07-19 | Hitachi Industrial Equipment Systems Co Ltd | Molded transformer |
| JP2018014499A (en) * | 2016-07-22 | 2018-01-25 | アルストム トランスポート テクノロジーズ | Electric transformer comprising insulating material, and method for manufacturing the same |
-
1978
- 1978-09-08 JP JP10973878A patent/JPS5538009A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59103322A (en) * | 1982-12-03 | 1984-06-14 | Mitsubishi Electric Corp | Manufacture of mold type coil |
| JPH0136686B2 (en) * | 1982-12-03 | 1989-08-02 | Mitsubishi Electric Corp | |
| JP2007120679A (en) * | 2005-10-28 | 2007-05-17 | Sun Wave Ind Co Ltd | Plate material joint structure |
| JP2012138596A (en) * | 2012-02-20 | 2012-07-19 | Hitachi Industrial Equipment Systems Co Ltd | Molded transformer |
| JP2018014499A (en) * | 2016-07-22 | 2018-01-25 | アルストム トランスポート テクノロジーズ | Electric transformer comprising insulating material, and method for manufacturing the same |
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