JP5317053B2 - 円筒状成形品の射出成形用金型、射出成形方法及び成形品 - Google Patents
円筒状成形品の射出成形用金型、射出成形方法及び成形品 Download PDFInfo
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- JP5317053B2 JP5317053B2 JP2008266321A JP2008266321A JP5317053B2 JP 5317053 B2 JP5317053 B2 JP 5317053B2 JP 2008266321 A JP2008266321 A JP 2008266321A JP 2008266321 A JP2008266321 A JP 2008266321A JP 5317053 B2 JP5317053 B2 JP 5317053B2
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- Prior art keywords
- mold
- molded product
- core pin
- injection molding
- resin
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- Expired - Fee Related
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- 238000001746 injection moulding Methods 0.000 title claims description 10
- 239000000463 material Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 229920005989 resin Polymers 0.000 description 22
- 239000011347 resin Substances 0.000 description 22
- 238000000465 moulding Methods 0.000 description 19
- 239000000945 filler Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 8
- 229920005992 thermoplastic resin Polymers 0.000 description 6
- 229920006127 amorphous resin Polymers 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical compound [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical class [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
以下で、成形品の「内周面」を、単に「内面」ということがある。
また、本発明は、円筒状成形品の射出成形用金型において、固定側金型および可動側金型を有し、固定側金型および可動側金型の少なくとも一方が、成形品の内面を形成するコアピンを有し、コアピンを構成する材料が、キャビティを形成する他の部材を構成する材料よりも10〜99%低い熱伝導率を有することを特徴とする金型を提供する。
また、本発明は、円筒状成形品の射出成形用金型において、固定側金型および可動側金型を有し、固定側金型および可動側金型の少なくとも一方が、成形品の内面を形成するコアピンを有し、コアピンが断熱部分を有することを特徴とする金型を提供する。
2 コアピン
3 成形品の胴部外面を形成する雌型
4 固定側金型
4’固定側金型
5 プレート
6 エジェクタースリーブ
7 プレート
8 プレート
9 スプリング
10 プレート
11 プレート
12 成形機エジェクターロッド
13 可動側プラテン
14 温度調節回路用パイプ
15 温度調節回路
16 断熱溝
17 連結用ネジ
18 断熱層
PL パーティングライン
L コアピン全長
T 可動側金型の厚み
Claims (6)
- 円筒状成形品の射出成形用金型において、固定側金型および可動側金型を有し、固定側金型および可動側金型の少なくとも一方が、成形品の内周面を形成するコアピンを有し、コアピンの全長が、上記コアピンを有する側の金型の厚みの10〜80%であることを特徴とする金型。
- コアピンを構成する材料が、キャビティを形成する他の部材を構成する材料よりも10〜99%低い熱伝導率を有することを特徴とする請求項1記載の金型。
- コアピンが断熱部分を有することを特徴とする請求項1または2記載の金型。
- コアピンを加熱する手段を有する、請求項1または2記載の金型。
- 請求項1〜4のいずれか1項記載の金型を用いる射出成形方法。
- 請求項5記載の射出成形方法により成形された成形品。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008266321A JP5317053B2 (ja) | 2008-10-15 | 2008-10-15 | 円筒状成形品の射出成形用金型、射出成形方法及び成形品 |
Applications Claiming Priority (1)
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JP2008266321A JP5317053B2 (ja) | 2008-10-15 | 2008-10-15 | 円筒状成形品の射出成形用金型、射出成形方法及び成形品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010094867A JP2010094867A (ja) | 2010-04-30 |
JP5317053B2 true JP5317053B2 (ja) | 2013-10-16 |
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JP2008266321A Expired - Fee Related JP5317053B2 (ja) | 2008-10-15 | 2008-10-15 | 円筒状成形品の射出成形用金型、射出成形方法及び成形品 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101549489B1 (ko) | 2015-03-24 | 2015-09-03 | (주) 기성엔지니어링 | 미세 피치 간격을 가지는 정밀 인터페이스 블록 및 그 제조를 위한 금형 |
CN108705726B (zh) * | 2018-05-29 | 2023-09-26 | 昆山嘉华汽车电子科技有限公司 | 一种具有配件植入辅助构件的注塑模具及其注塑方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5914333B2 (ja) * | 1977-09-26 | 1984-04-04 | 第一ガイヤ−株式会社 | 射出成形用の成形型に取付けられる開きコア |
JPH01180315A (ja) * | 1988-01-12 | 1989-07-18 | Matsushita Electric Ind Co Ltd | 金型装置 |
JPH03108413U (ja) * | 1990-02-23 | 1991-11-07 | ||
JP3296844B2 (ja) * | 1992-03-17 | 2002-07-02 | オリンパス光学工業株式会社 | 内径アンダーカットを有する円筒状物の成形金型 |
JPH09248829A (ja) * | 1996-01-12 | 1997-09-22 | Mitsubishi Eng Plast Kk | 穴空き成形品製造用の金型組立体及び穴空き成形品の製造方法 |
JP3910388B2 (ja) * | 2001-08-31 | 2007-04-25 | 三菱電機株式会社 | 成形方法 |
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