JPS5661104A - Plastic magnet with sleeve and manufacture thereof - Google Patents
Plastic magnet with sleeve and manufacture thereofInfo
- Publication number
- JPS5661104A JPS5661104A JP13728779A JP13728779A JPS5661104A JP S5661104 A JPS5661104 A JP S5661104A JP 13728779 A JP13728779 A JP 13728779A JP 13728779 A JP13728779 A JP 13728779A JP S5661104 A JPS5661104 A JP S5661104A
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- plastic magnet
- shaft
- mold
- magnet
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
PURPOSE:To prevent the axial vibrations and cracks during the rotation by providing the sleeve in the central hole of an annular plastic magnet. CONSTITUTION:The metal sleeve 3 is fixed to a recess 2 by using cylindrical metal mold 1 having the circular recess 2 at the center of the bottom. A material, wherein thermosetting resin is blended with magnetic powder, a curing agent, and a mold release agent, is injected, compressed and formed by a mold 5. The formed product with the sleeve 3 is taken out, and a shaft 6 is pressed in. Then, a plurality of N and S poles are alternately provided around the outer periphery of the resin, thereby the plastic magnet 7 is obtained. In this constitution, since the magnet parts and the metal sleeve are incorporated to form one body beforehand, and the shaft is pressed in the sleeve, the excessive force is not directly applied to the plastic part at the time of the compression. Therefore, the plastic magnet is not damaged, and the axial vibration during the rotation can be prevented by the compression of the shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13728779A JPS60932B2 (en) | 1979-10-24 | 1979-10-24 | Plastic magnet with sleeve and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13728779A JPS60932B2 (en) | 1979-10-24 | 1979-10-24 | Plastic magnet with sleeve and manufacturing method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5661104A true JPS5661104A (en) | 1981-05-26 |
JPS60932B2 JPS60932B2 (en) | 1985-01-11 |
Family
ID=15195148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13728779A Expired JPS60932B2 (en) | 1979-10-24 | 1979-10-24 | Plastic magnet with sleeve and manufacturing method thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60932B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59136916A (en) * | 1983-01-26 | 1984-08-06 | Seiko Epson Corp | Manufacture of permanent magnet |
US5229738A (en) * | 1987-06-16 | 1993-07-20 | Kinetron B.V. | Multipolar rotor |
US10175062B2 (en) | 2015-01-23 | 2019-01-08 | Infineon Technologies Ag | Out of shaft magnetic angle sensing system |
-
1979
- 1979-10-24 JP JP13728779A patent/JPS60932B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59136916A (en) * | 1983-01-26 | 1984-08-06 | Seiko Epson Corp | Manufacture of permanent magnet |
US5229738A (en) * | 1987-06-16 | 1993-07-20 | Kinetron B.V. | Multipolar rotor |
US10175062B2 (en) | 2015-01-23 | 2019-01-08 | Infineon Technologies Ag | Out of shaft magnetic angle sensing system |
Also Published As
Publication number | Publication date |
---|---|
JPS60932B2 (en) | 1985-01-11 |
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