JPH0220131B2 - - Google Patents
Info
- Publication number
- JPH0220131B2 JPH0220131B2 JP58042021A JP4202183A JPH0220131B2 JP H0220131 B2 JPH0220131 B2 JP H0220131B2 JP 58042021 A JP58042021 A JP 58042021A JP 4202183 A JP4202183 A JP 4202183A JP H0220131 B2 JPH0220131 B2 JP H0220131B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- mold
- yoke
- cavity
- magnetizing
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 67
- 230000005284 excitation Effects 0.000 claims description 27
- 238000001746 injection moulding Methods 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 230000005294 ferromagnetic effect Effects 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims 1
- 230000006698 induction Effects 0.000 description 6
- 230000005415 magnetization Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 3
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
-
- 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
- H01F41/0253—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 permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4202183A JPS59168620A (ja) | 1983-03-14 | 1983-03-14 | 磁場射出成形用金型構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4202183A JPS59168620A (ja) | 1983-03-14 | 1983-03-14 | 磁場射出成形用金型構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59168620A JPS59168620A (ja) | 1984-09-22 |
| JPH0220131B2 true JPH0220131B2 (de) | 1990-05-08 |
Family
ID=12624512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4202183A Granted JPS59168620A (ja) | 1983-03-14 | 1983-03-14 | 磁場射出成形用金型構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59168620A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0777177B2 (ja) * | 1986-06-25 | 1995-08-16 | 電気化学工業株式会社 | 同時多極着磁射出成形用型及びこれを用いた同時多極着磁成形方法 |
-
1983
- 1983-03-14 JP JP4202183A patent/JPS59168620A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59168620A (ja) | 1984-09-22 |
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