JPH0586900B2 - - Google Patents

Info

Publication number
JPH0586900B2
JPH0586900B2 JP25186389A JP25186389A JPH0586900B2 JP H0586900 B2 JPH0586900 B2 JP H0586900B2 JP 25186389 A JP25186389 A JP 25186389A JP 25186389 A JP25186389 A JP 25186389A JP H0586900 B2 JPH0586900 B2 JP H0586900B2
Authority
JP
Japan
Prior art keywords
pressure
injection
detected
backflow prevention
value
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
JP25186389A
Other languages
English (en)
Japanese (ja)
Other versions
JPH03114721A (ja
Inventor
Masatoshi Kaneoka
Tadao Egi
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works Ltd
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 Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP25186389A priority Critical patent/JPH03114721A/ja
Publication of JPH03114721A publication Critical patent/JPH03114721A/ja
Publication of JPH0586900B2 publication Critical patent/JPH0586900B2/ja
Granted 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
    • 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
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • B29C45/52—Non-return 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
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/768—Detecting defective moulding conditions
    • 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
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP25186389A 1989-09-29 1989-09-29 射出成形機の成形品不良判別方法及び装置 Granted JPH03114721A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25186389A JPH03114721A (ja) 1989-09-29 1989-09-29 射出成形機の成形品不良判別方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25186389A JPH03114721A (ja) 1989-09-29 1989-09-29 射出成形機の成形品不良判別方法及び装置

Publications (2)

Publication Number Publication Date
JPH03114721A JPH03114721A (ja) 1991-05-15
JPH0586900B2 true JPH0586900B2 (enrdf_load_stackoverflow) 1993-12-14

Family

ID=17229046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25186389A Granted JPH03114721A (ja) 1989-09-29 1989-09-29 射出成形機の成形品不良判別方法及び装置

Country Status (1)

Country Link
JP (1) JPH03114721A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103358497A (zh) * 2012-03-26 2013-10-23 住友重机械工业株式会社 注射成型机
TWI615262B (zh) * 2017-06-09 2018-02-21 Victor Taichung Machinery Works Co Ltd 判斷與調整塑料品質的方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4199285B1 (ja) 2007-06-06 2008-12-17 ファナック株式会社 射出成形機及び逆流防止弁閉鎖判別方法
JP5179993B2 (ja) * 2008-08-04 2013-04-10 ファナック株式会社 射出成形機の逆流防止弁閉鎖状態判別方法とその判別機能を備えた射出成形機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103358497A (zh) * 2012-03-26 2013-10-23 住友重机械工业株式会社 注射成型机
TWI615262B (zh) * 2017-06-09 2018-02-21 Victor Taichung Machinery Works Co Ltd 判斷與調整塑料品質的方法

Also Published As

Publication number Publication date
JPH03114721A (ja) 1991-05-15

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees