FR2268619A1 - Electronic control circuit for injection moulding machines - for automatic control of hydraulic pressure during moulding cycle - Google Patents

Electronic control circuit for injection moulding machines - for automatic control of hydraulic pressure during moulding cycle

Info

Publication number
FR2268619A1
FR2268619A1 FR7511219A FR7511219A FR2268619A1 FR 2268619 A1 FR2268619 A1 FR 2268619A1 FR 7511219 A FR7511219 A FR 7511219A FR 7511219 A FR7511219 A FR 7511219A FR 2268619 A1 FR2268619 A1 FR 2268619A1
Authority
FR
France
Prior art keywords
injection
pressure
hydraulic pressure
pressure during
control circuit
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.)
Granted
Application number
FR7511219A
Other languages
English (en)
French (fr)
Other versions
FR2268619B1 (cs
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.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke AG
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 Kloeckner Werke AG filed Critical Kloeckner Werke AG
Publication of FR2268619A1 publication Critical patent/FR2268619A1/fr
Application granted granted Critical
Publication of FR2268619B1 publication Critical patent/FR2268619B1/fr
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
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
    • 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
    • B29C2045/776—Measuring, controlling or regulating of velocity or pressure of moulding material determining the switchover point to the holding pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR7511219A 1974-04-25 1975-04-10 Electronic control circuit for injection moulding machines - for automatic control of hydraulic pressure during moulding cycle Granted FR2268619A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2419980A DE2419980A1 (de) 1974-04-25 1974-04-25 Verfahren und vorrichtung zur vorgabe des zeitpunktes zum umschalten von spritzdruck auf nachdruck bei spritzgiessmaschinen

Publications (2)

Publication Number Publication Date
FR2268619A1 true FR2268619A1 (en) 1975-11-21
FR2268619B1 FR2268619B1 (cs) 1977-11-10

Family

ID=5913899

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7511219A Granted FR2268619A1 (en) 1974-04-25 1975-04-10 Electronic control circuit for injection moulding machines - for automatic control of hydraulic pressure during moulding cycle

Country Status (8)

Country Link
JP (1) JPS5417568B2 (cs)
BE (1) BE828309A (cs)
DD (1) DD119552A5 (cs)
DE (1) DE2419980A1 (cs)
DK (1) DK178575A (cs)
ES (1) ES436452A1 (cs)
FR (1) FR2268619A1 (cs)
SE (1) SE7504590L (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59194822A (ja) * 1983-04-20 1984-11-05 Toshiba Mach Co Ltd 射出成形機の射出工程監視装置

Also Published As

Publication number Publication date
JPS50149532A (cs) 1975-11-29
DK178575A (da) 1975-10-26
DD119552A5 (cs) 1976-05-05
DE2419980A1 (de) 1975-11-13
FR2268619B1 (cs) 1977-11-10
BE828309A (fr) 1975-08-18
JPS5417568B2 (cs) 1979-06-30
SE7504590L (sv) 1975-10-27
ES436452A1 (es) 1977-01-01

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Legal Events

Date Code Title Description
ST Notification of lapse