JPS55154722A - Manufacture of insulated coil - Google Patents
Manufacture of insulated coilInfo
- Publication number
- JPS55154722A JPS55154722A JP6225279A JP6225279A JPS55154722A JP S55154722 A JPS55154722 A JP S55154722A JP 6225279 A JP6225279 A JP 6225279A JP 6225279 A JP6225279 A JP 6225279A JP S55154722 A JPS55154722 A JP S55154722A
- Authority
- JP
- Japan
- Prior art keywords
- tape
- width
- resin
- coil
- insulating
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/122—Insulating between turns or between winding layers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulating Of Coils (AREA)
Abstract
PURPOSE:To manufacture an insulated coil of high reliability in a short time, by winding an insulating tape of small width around a coil conductor, then winding an insulating tape of large width, impregnating a thermosetting resin under pressure due to vacuum and hardening the resin. CONSTITUTION:A mica tape 4 of small width is wound by about 1/5-1/2 of total required turns around a coil conductor 2 so that the half longitudinal parts of the tape are overlapped with each other. A mica tape of large width is wound by the reset of the total required turns around the former mica tape so that the half longitudinal parts of the latter tape are also overlapped with each other. Epoxy resin or the like is then impregnated under vacuum and pressurized by N2 or the like. After that, the coil is picked out and the resin is hardened at a prescribed temperature. According to this method, the resin impregnation time can be greatly reduced even if the number of the turns of the insulating tapes is large, and the insulated coil is provided with a long electric lifetime approximate to that of an insulated coil employing only an insulating tape of large width. The smaller the tape width is, the easier the impregnation is, while the larger the tape width is, the longer the electric lifetime is. If discharge progress time is to be lengthened, an insulating tape of large width is to be wound as an outer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6225279A JPS55154722A (en) | 1979-05-22 | 1979-05-22 | Manufacture of insulated coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6225279A JPS55154722A (en) | 1979-05-22 | 1979-05-22 | Manufacture of insulated coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55154722A true JPS55154722A (en) | 1980-12-02 |
Family
ID=13194756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6225279A Pending JPS55154722A (en) | 1979-05-22 | 1979-05-22 | Manufacture of insulated coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55154722A (en) |
-
1979
- 1979-05-22 JP JP6225279A patent/JPS55154722A/en active Pending
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