JP7045146B2 - 樹脂成形品、樹脂成形品の製造方法および金型 - Google Patents
樹脂成形品、樹脂成形品の製造方法および金型 Download PDFInfo
- Publication number
- JP7045146B2 JP7045146B2 JP2017133569A JP2017133569A JP7045146B2 JP 7045146 B2 JP7045146 B2 JP 7045146B2 JP 2017133569 A JP2017133569 A JP 2017133569A JP 2017133569 A JP2017133569 A JP 2017133569A JP 7045146 B2 JP7045146 B2 JP 7045146B2
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- JP
- Japan
- Prior art keywords
- resin molded
- resin
- gate
- molded product
- mold
- 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.)
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Links
- 239000011347 resin Substances 0.000 title claims description 88
- 229920005989 resin Polymers 0.000 title claims description 88
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 description 22
- 230000020169 heat generation Effects 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920005668 polycarbonate resin Polymers 0.000 description 3
- 239000004431 polycarbonate resin Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Images
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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29C45/2708—Gates
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
- B29C2045/0027—Gate or gate mark locations
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
図1(a)は、本実施の形態に係る金型の概略構成を示す断面図、図1(b)は、図1(a)に示す領域Aの拡大図である。
Claims (2)
- 複数のゲートから時間差で溶融樹脂を射出する樹脂成形品の製造方法であって、
はじめに溶融樹脂が射出されるメインゲートの開口縁部からキャビティ側内壁へ続く曲部の曲率Rが0.5~1.0mmであることを特徴とする樹脂成形品の製造方法。 - 前記メインゲートから射出される溶融樹脂の射出率は、80g/s以上であることを特徴とする請求項1に記載の樹脂成形品の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017133569A JP7045146B2 (ja) | 2017-07-07 | 2017-07-07 | 樹脂成形品、樹脂成形品の製造方法および金型 |
CN201821046592.0U CN209036852U (zh) | 2017-07-07 | 2018-07-03 | 树脂成形件与模具 |
CN201810716628.XA CN109203348B (zh) | 2017-07-07 | 2018-07-03 | 树脂成形件、树脂成形件的制造方法以及模具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017133569A JP7045146B2 (ja) | 2017-07-07 | 2017-07-07 | 樹脂成形品、樹脂成形品の製造方法および金型 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019014149A JP2019014149A (ja) | 2019-01-31 |
JP7045146B2 true JP7045146B2 (ja) | 2022-03-31 |
Family
ID=64989972
Family Applications (1)
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JP2017133569A Active JP7045146B2 (ja) | 2017-07-07 | 2017-07-07 | 樹脂成形品、樹脂成形品の製造方法および金型 |
Country Status (2)
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JP (1) | JP7045146B2 (ja) |
CN (2) | CN209036852U (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7045146B2 (ja) * | 2017-07-07 | 2022-03-31 | 株式会社小糸製作所 | 樹脂成形品、樹脂成形品の製造方法および金型 |
JP7458809B2 (ja) * | 2020-02-08 | 2024-04-01 | 株式会社小糸製作所 | 射出成形品及びその成形方法と成形装置 |
Citations (6)
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---|---|---|---|---|
JP2001503689A (ja) | 1996-11-01 | 2001-03-21 | ハスキー・インジエクシヨン・モールデイング・システムズ・リミテツド | 射出成形のための装置及びその方法 |
JP2003137247A (ja) | 2001-10-31 | 2003-05-14 | Yoshino Kogyosho Co Ltd | ゲート部の割れ防止手段を具えた容器 |
JP2005219240A (ja) | 2004-02-03 | 2005-08-18 | Aisin Seiki Co Ltd | 射出成形用金型 |
JP2007136996A (ja) | 2005-11-22 | 2007-06-07 | Terumo Corp | シリンジ用外筒の射出成形用金型、シリンジ用外筒の製造方法、シリンジ用外筒およびシリンジ |
US20080315618A1 (en) | 2007-06-20 | 2008-12-25 | Michael Salzmann | Assembly carrier for installation into a motor vehicle |
JP2013006341A (ja) | 2011-06-24 | 2013-01-10 | Aisan Industry Co Ltd | 樹脂射出成形品とその射出成形方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5869029A (ja) * | 1981-10-20 | 1983-04-25 | Sony Corp | 合成樹脂成形体及びその金型装置 |
JP3169149B2 (ja) * | 1993-02-15 | 2001-05-21 | 豊田合成株式会社 | 射出成形方法 |
JPH10100212A (ja) * | 1996-10-02 | 1998-04-21 | Sankyo Kasei Co Ltd | 射出成形機 |
JPH1148294A (ja) * | 1997-07-31 | 1999-02-23 | Ozeki Hotsuto Rannaa Plan:Kk | 孔付き製品の射出成形金型 |
JP5751043B2 (ja) * | 2011-06-20 | 2015-07-22 | 日産自動車株式会社 | 射出成形方法 |
JP5845880B2 (ja) * | 2011-12-21 | 2016-01-20 | スズキ株式会社 | 射出成形用金型及び射出成形方法 |
CN203611431U (zh) * | 2013-09-29 | 2014-05-28 | 厦门捷信达模具塑胶有限公司 | 隧道浇口无痕结构 |
CN205631248U (zh) * | 2016-05-16 | 2016-10-12 | 浙江宏利汽车零部件有限公司 | 一种硫化注胶模具 |
CN106079285A (zh) * | 2016-08-04 | 2016-11-09 | 江苏文光模具技术有限公司 | 一种灯罩类注塑模具浇口结构 |
JP7045146B2 (ja) * | 2017-07-07 | 2022-03-31 | 株式会社小糸製作所 | 樹脂成形品、樹脂成形品の製造方法および金型 |
-
2017
- 2017-07-07 JP JP2017133569A patent/JP7045146B2/ja active Active
-
2018
- 2018-07-03 CN CN201821046592.0U patent/CN209036852U/zh active Active
- 2018-07-03 CN CN201810716628.XA patent/CN109203348B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001503689A (ja) | 1996-11-01 | 2001-03-21 | ハスキー・インジエクシヨン・モールデイング・システムズ・リミテツド | 射出成形のための装置及びその方法 |
JP2003137247A (ja) | 2001-10-31 | 2003-05-14 | Yoshino Kogyosho Co Ltd | ゲート部の割れ防止手段を具えた容器 |
JP2005219240A (ja) | 2004-02-03 | 2005-08-18 | Aisin Seiki Co Ltd | 射出成形用金型 |
JP2007136996A (ja) | 2005-11-22 | 2007-06-07 | Terumo Corp | シリンジ用外筒の射出成形用金型、シリンジ用外筒の製造方法、シリンジ用外筒およびシリンジ |
US20080315618A1 (en) | 2007-06-20 | 2008-12-25 | Michael Salzmann | Assembly carrier for installation into a motor vehicle |
JP2013006341A (ja) | 2011-06-24 | 2013-01-10 | Aisan Industry Co Ltd | 樹脂射出成形品とその射出成形方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2019014149A (ja) | 2019-01-31 |
CN109203348B (zh) | 2021-09-14 |
CN209036852U (zh) | 2019-06-28 |
CN109203348A (zh) | 2019-01-15 |
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