JPWO2008047724A1 - 樹脂の多層射出成形方法 - Google Patents
樹脂の多層射出成形方法 Download PDFInfo
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- JPWO2008047724A1 JPWO2008047724A1 JP2008539792A JP2008539792A JPWO2008047724A1 JP WO2008047724 A1 JPWO2008047724 A1 JP WO2008047724A1 JP 2008539792 A JP2008539792 A JP 2008539792A JP 2008539792 A JP2008539792 A JP 2008539792A JP WO2008047724 A1 JPWO2008047724 A1 JP WO2008047724A1
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- 229920005989 resin Polymers 0.000 title claims abstract description 132
- 238000001746 injection moulding Methods 0.000 title claims description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 238000002347 injection Methods 0.000 claims description 35
- 239000007924 injection Substances 0.000 claims description 35
- 239000012778 molding material Substances 0.000 claims description 31
- 238000000465 moulding Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 29
- 239000004088 foaming agent Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 description 14
- 239000006260 foam Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 8
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- 239000004743 Polypropylene Substances 0.000 description 4
- 210000000497 foam cell Anatomy 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
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- 230000002441 reversible effect Effects 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
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- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1635—Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
-
- 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
- B29C45/16—Making multilayered or multicoloured articles
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
- B29C44/083—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
- B29C44/586—Moulds with a cavity increasing in size during foaming
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/66—Mould opening, closing or clamping devices mechanical
-
- 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
- B29C45/70—Means for plasticising or homogenising the moulding material or forcing it into the mould, combined with mould opening, closing or clamping devices
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
- B29C2045/563—Enlarging the mould cavity during injection
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
-
- 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1679—Making multilayered or multicoloured articles applying surface layers onto injection-moulded substrates inside the mould cavity, e.g. in-mould coating [IMC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
12 固定盤
13 可動盤
16 トグル機構
18 リンク駆動機構
30 金型
31 固定型
32 可動型
33 金型キャビティ
34 2次キャビティ
40 射出装置
41 第1射出ユニット
42 第2射出ユニット
70 制御装置
71 型締側制御部
72 射出側制御部
100 射出成形装置
S0 可動盤位置(2次キャビティ設定値)
S1 可動盤位置(2次キャビティ拡大設定値)
S2 可動盤位置(2次キャビティ縮小設定値)
S3 可動盤位置(2次キャビティ圧力緩和設定値)
S4 可動盤位置(発泡キャビティ設定値)
t1 圧縮時間(保圧)
t2 遅延時間(発泡核形成)
Claims (4)
- 金型キャビティに少なくとも2種類の樹脂成形材料を射出充填する射出装置と、トグル機構を用いて金型の開閉と型締とを行う型締装置と、を用いて、前記金型キャビティに1層目の樹脂成形材料を射出充填して成形した後に、型開動作により可動盤を所定の可動盤位置(S0)まで後退させ、前記金型キャビティの容積を拡大して、1層目の樹脂成形材料と金型キャビティ面との間に、2次キャビティを形成し、該形成した2次キャビティに、2層目の樹脂成形材料を射出充填して、多層成形品を得る樹脂の多層射出成形方法において、
2層目の樹脂充填中に、前記可動盤が後退して、所定の可動盤位置(S1)まで前記2次キャビティの容積を拡大させ、樹脂の充填完了後は、直ちに前記トグル機構を駆動して、前記2次キャビティの容積を所定の可動盤位置(S2)まで縮小するとともに、所定時間の経過後に、再び、前記トグル機構を駆動して、前記2次キャビティの容積を所定の可動盤位置(S3)まで拡大する樹脂の多層射出成形方法。 - 前記2層目の樹脂充填中における2次キャビティの容積の拡大は、前記トグル機構のクロスヘッドを位置保持し、樹脂の充填圧力が可動型面に作用して可動盤が後退して行われる請求項1に記載の樹脂の多層射出成形方法。
- 前記2層目の樹脂充填中における2次キャビティの容積の拡大は、樹脂の充填速度に同期して可動盤が後退するよう前記クロスヘッドを後退制御して行われる請求項1に記載の樹脂の多層射出成形方法。
- 前記2層目の樹脂成形材料が発泡剤を含み、前記2次キャビティを所定の可動盤位置(S3)まで前記トグル機構を駆動して拡大した後、更に、前記2次キャビティを所定の可動盤位置(S4)まで前記トグル機構を駆動して拡大する請求項1〜3の何れか一項に記載の樹脂の多層射出成形方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2008539792A JP4893744B2 (ja) | 2006-10-18 | 2007-10-12 | 樹脂の多層射出成形方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2006284125 | 2006-10-18 | ||
JP2006284125 | 2006-10-18 | ||
JP2008539792A JP4893744B2 (ja) | 2006-10-18 | 2007-10-12 | 樹脂の多層射出成形方法 |
PCT/JP2007/069990 WO2008047724A1 (fr) | 2006-10-18 | 2007-10-12 | Procédé de moulage par injection multicouche de résine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008047724A1 true JPWO2008047724A1 (ja) | 2010-02-25 |
JP4893744B2 JP4893744B2 (ja) | 2012-03-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008539792A Active JP4893744B2 (ja) | 2006-10-18 | 2007-10-12 | 樹脂の多層射出成形方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7972544B2 (ja) |
JP (1) | JP4893744B2 (ja) |
KR (1) | KR101372775B1 (ja) |
WO (1) | WO2008047724A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT506273B1 (de) * | 2007-12-20 | 2012-03-15 | Siemens Ag | Verfahren zum betreiben eines schaltwandlers |
JP5408536B2 (ja) * | 2009-08-04 | 2014-02-05 | 宇部興産機械株式会社 | 積層成形装置による発泡成形方法 |
JP5532840B2 (ja) * | 2009-11-16 | 2014-06-25 | 宇部興産機械株式会社 | 射出発泡成形装置及び射出発泡成形方法 |
DE102014204361A1 (de) * | 2014-03-10 | 2015-09-10 | Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt | Verfahren zur Herstellung eines Mitnehmers für eine Fensterhebervorrichtung |
JP6137368B1 (ja) * | 2016-03-24 | 2017-05-31 | 宇部興産機械株式会社 | トグル式型締機構を有する射出成形機の型締制御方法 |
US20180050475A1 (en) * | 2016-08-19 | 2018-02-22 | Apsx Llc | Automatic portable plastic injection machine |
JP6949078B2 (ja) | 2019-07-05 | 2021-10-13 | 日精樹脂工業株式会社 | 発泡成形方法及び射出成形機 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5486550A (en) | 1977-12-22 | 1979-07-10 | Asahi Chem Ind Co Ltd | Molding of multi-layered molded article |
JP3023741B2 (ja) * | 1992-03-10 | 2000-03-21 | 旭化成工業株式会社 | クッション性複合成形品及び製造方法 |
US5702810A (en) * | 1992-03-10 | 1997-12-30 | Mitsubishi Chemical Corporation | Cushioning composite molded article and a process for production thereof |
JP3064209B2 (ja) * | 1995-05-22 | 2000-07-12 | 株式会社日本製鋼所 | トグル式型締装置の型盤位置制御方法および装置 |
JPH10315262A (ja) * | 1997-05-21 | 1998-12-02 | Idemitsu Petrochem Co Ltd | 繊維強化樹脂の成形方法および成形品 |
JP3690154B2 (ja) * | 1998-12-21 | 2005-08-31 | 宇部興産株式会社 | 貼り合わせ成形方法 |
JP3843705B2 (ja) * | 2000-06-29 | 2006-11-08 | 宇部興産機械株式会社 | 貼合わせ成形方法 |
JP2002283389A (ja) * | 2001-03-26 | 2002-10-03 | Ube Ind Ltd | 多層成形品の製造方法 |
-
2007
- 2007-10-12 JP JP2008539792A patent/JP4893744B2/ja active Active
- 2007-10-12 US US12/311,826 patent/US7972544B2/en active Active
- 2007-10-12 WO PCT/JP2007/069990 patent/WO2008047724A1/ja active Application Filing
- 2007-10-12 KR KR1020097010047A patent/KR101372775B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
WO2008047724A1 (fr) | 2008-04-24 |
US7972544B2 (en) | 2011-07-05 |
KR101372775B1 (ko) | 2014-03-10 |
KR20090082224A (ko) | 2009-07-29 |
JP4893744B2 (ja) | 2012-03-07 |
US20100308500A1 (en) | 2010-12-09 |
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