JPH0511739B2 - - Google Patents
Info
- Publication number
- JPH0511739B2 JPH0511739B2 JP10416788A JP10416788A JPH0511739B2 JP H0511739 B2 JPH0511739 B2 JP H0511739B2 JP 10416788 A JP10416788 A JP 10416788A JP 10416788 A JP10416788 A JP 10416788A JP H0511739 B2 JPH0511739 B2 JP H0511739B2
- Authority
- JP
- Japan
- Prior art keywords
- plastic magnet
- mold
- gate
- raw material
- rotating plastic
- 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 - Fee Related
Links
- 239000004033 plastic Substances 0.000 claims description 47
- 239000002994 raw material Substances 0.000 claims description 29
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 239000006247 magnetic powder Substances 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 6
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 description 10
- 230000004907 flux Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10416788A JPH01275116A (ja) | 1988-04-28 | 1988-04-28 | 回転プラスチックマグネットの製造装置 |
DE19893913982 DE3913982C2 (de) | 1988-04-28 | 1989-04-27 | Vorrichtung zur Herstellung diametral magnetisierter Rotorscheiben aus Kunststoff |
GB8909713A GB2217651B (en) | 1988-04-28 | 1989-04-27 | Magnetic plastic rotor disk manufacturing apparatus |
US08/201,155 US5427514A (en) | 1988-04-28 | 1994-02-24 | Magnetic plastic rotor disk manufacturing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10416788A JPH01275116A (ja) | 1988-04-28 | 1988-04-28 | 回転プラスチックマグネットの製造装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01275116A JPH01275116A (ja) | 1989-11-02 |
JPH0511739B2 true JPH0511739B2 (en]) | 1993-02-16 |
Family
ID=14373488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10416788A Granted JPH01275116A (ja) | 1988-04-28 | 1988-04-28 | 回転プラスチックマグネットの製造装置 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH01275116A (en]) |
DE (1) | DE3913982C2 (en]) |
GB (1) | GB2217651B (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4631521B2 (ja) * | 2005-04-25 | 2011-02-16 | 株式会社カネカ | 樹脂磁石成形品加工方法 |
JP4631522B2 (ja) * | 2005-04-25 | 2011-02-16 | 株式会社カネカ | 樹脂磁石成形品加工方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5948742B2 (ja) * | 1982-03-05 | 1984-11-28 | 住友ベークライト株式会社 | 磁場成形用金型 |
DE3247272A1 (de) * | 1982-12-21 | 1984-06-28 | Krauss-Maffei AG, 8000 München | Rueckstroemsperre |
-
1988
- 1988-04-28 JP JP10416788A patent/JPH01275116A/ja active Granted
-
1989
- 1989-04-27 GB GB8909713A patent/GB2217651B/en not_active Expired - Lifetime
- 1989-04-27 DE DE19893913982 patent/DE3913982C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH01275116A (ja) | 1989-11-02 |
DE3913982A1 (de) | 1989-11-09 |
GB2217651A (en) | 1989-11-01 |
DE3913982C2 (de) | 1994-02-03 |
GB8909713D0 (en) | 1989-06-14 |
GB2217651B (en) | 1992-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |