JP4464676B2 - 自動車用部品の成形方法 - Google Patents

自動車用部品の成形方法 Download PDF

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Publication number
JP4464676B2
JP4464676B2 JP2003421512A JP2003421512A JP4464676B2 JP 4464676 B2 JP4464676 B2 JP 4464676B2 JP 2003421512 A JP2003421512 A JP 2003421512A JP 2003421512 A JP2003421512 A JP 2003421512A JP 4464676 B2 JP4464676 B2 JP 4464676B2
Authority
JP
Japan
Prior art keywords
kneading
weight
molding
talc
molding machine
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
Application number
JP2003421512A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005178146A (ja
JP2005178146A5 (cg-RX-API-DMAC7.html
Inventor
龍蔵 友松
薫 和田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Fine Composites Co Ltd
Original Assignee
CALP Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CALP Corp filed Critical CALP Corp
Priority to JP2003421512A priority Critical patent/JP4464676B2/ja
Publication of JP2005178146A publication Critical patent/JP2005178146A/ja
Publication of JP2005178146A5 publication Critical patent/JP2005178146A5/ja
Application granted granted Critical
Publication of JP4464676B2 publication Critical patent/JP4464676B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/39—Plasticisers, homogenisers or feeders comprising two or more stages a first extruder feeding the melt into an intermediate location of a second extruder
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/42—Non-identical or non-mirrored screws
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Instrument Panels (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
JP2003421512A 2003-12-18 2003-12-18 自動車用部品の成形方法 Expired - Fee Related JP4464676B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003421512A JP4464676B2 (ja) 2003-12-18 2003-12-18 自動車用部品の成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003421512A JP4464676B2 (ja) 2003-12-18 2003-12-18 自動車用部品の成形方法

Publications (3)

Publication Number Publication Date
JP2005178146A JP2005178146A (ja) 2005-07-07
JP2005178146A5 JP2005178146A5 (cg-RX-API-DMAC7.html) 2008-01-17
JP4464676B2 true JP4464676B2 (ja) 2010-05-19

Family

ID=34782713

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003421512A Expired - Fee Related JP4464676B2 (ja) 2003-12-18 2003-12-18 自動車用部品の成形方法

Country Status (1)

Country Link
JP (1) JP4464676B2 (cg-RX-API-DMAC7.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006347078A (ja) 2005-06-17 2006-12-28 Japan Steel Works Ltd:The 射出成形機の型締装置およびタイバー有効長調節方法
JP4878832B2 (ja) * 2005-12-26 2012-02-15 株式会社プライムポリマー 成形体及びその製造方法
ZA200807902B (en) 2006-04-19 2010-01-27 Dow Global Technologies Inc Method for blending materials in an extruder, the manufactured article and material pre-mix
WO2008047867A1 (en) * 2006-10-18 2008-04-24 Calp Corporation Master batch and process for production thereof
US8709316B2 (en) 2008-03-14 2014-04-29 Dow Global Technologies Llc Process for shaping polymeric articles
JP5697143B2 (ja) 2008-11-26 2015-04-08 独立行政法人産業技術総合研究所 溶融混練方法、押出し物及び透明樹脂材
BRPI1005329B1 (pt) 2009-01-30 2019-06-18 Dow Global Technologies Llc Composição polimérica, composição de poliolefina termoplástica enchida e processo para a fabricação de um artigo moldado
CN101885892B (zh) * 2010-07-20 2015-12-09 上海公元建材发展有限公司 一种组合物、用组合物生产的大口径双壁波纹管以及生产工艺
JP2012052054A (ja) * 2010-09-03 2012-03-15 Kaneka Corp 樹脂組成物及びその成形体
CN102518885B (zh) * 2011-12-12 2013-05-01 杭州波达塑料科技股份有限公司 一种节材型高刚度塑料双壁波纹管及制备方法
CN104755245B (zh) * 2012-10-23 2017-11-28 矢崎总业株式会社 汽车用注射成形品

Also Published As

Publication number Publication date
JP2005178146A (ja) 2005-07-07

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