CA1171757A - Control device for the hydraulic circuit of an injection molding machine - Google Patents

Control device for the hydraulic circuit of an injection molding machine

Info

Publication number
CA1171757A
CA1171757A CA000402395A CA402395A CA1171757A CA 1171757 A CA1171757 A CA 1171757A CA 000402395 A CA000402395 A CA 000402395A CA 402395 A CA402395 A CA 402395A CA 1171757 A CA1171757 A CA 1171757A
Authority
CA
Canada
Prior art keywords
pressure
valve system
proportional valve
program
pressure gauge
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
Application number
CA000402395A
Other languages
English (en)
French (fr)
Inventor
Karl Hehl
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1171757A publication Critical patent/CA1171757A/en
Expired 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
    • B29C45/82—Hydraulic or pneumatic circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Fluid-Pressure Circuits (AREA)
CA000402395A 1981-05-14 1982-05-06 Control device for the hydraulic circuit of an injection molding machine Expired CA1171757A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3119095.2 1981-05-14
DE3119095A DE3119095C2 (de) 1981-05-14 1981-05-14 Steuervorrichtung für den hydraulischen Kreislauf einer Kunststoff-Spritzgießmaschine

Publications (1)

Publication Number Publication Date
CA1171757A true CA1171757A (en) 1984-07-31

Family

ID=6132240

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000402395A Expired CA1171757A (en) 1981-05-14 1982-05-06 Control device for the hydraulic circuit of an injection molding machine

Country Status (9)

Country Link
JP (1) JPS57195633A (it)
AT (1) AT376170B (it)
CA (1) CA1171757A (it)
CH (1) CH659427A5 (it)
DE (1) DE3119095C2 (it)
FR (1) FR2506041B1 (it)
GB (1) GB2099610B (it)
IT (1) IT1200573B (it)
NL (1) NL8200963A (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712991A (en) * 1984-12-28 1987-12-15 Karl Hehl Hydraulic control system for injection unit of injection molding machine
US4846664A (en) * 1986-12-23 1989-07-11 Karl Hehl Hydraulic system for the mold clamping unit of a plastics injection molding machine

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3309964C2 (de) * 1983-03-19 1985-05-23 Krauss-Maffei AG, 8000 München Vorrichtung zum Dosieren und Mischen von zwei oder mehreren fließfähigen Kunststoff-Reaktionskomponenten
DE3447709C1 (de) * 1984-12-28 1986-04-30 Karl 7298 Loßburg Hehl Steuervorrichtung fuer den hydraulischen Kreislauf einer Kunststoff-Spritzgiessmaschine
DE3448047A1 (de) * 1984-12-28 1986-07-03 Karl 7298 Loßburg Hehl Hydraulikeinrichtung fuer die spritzgiesseinheit einer kunststoff-spritzgiessmaschine
DE4234647C1 (de) * 1992-10-14 1994-01-27 Karl Hehl Hydraulikeinrichtung an einer Spritzgießmaschine für die Verarbeitung von Kunststoffen oder dergleichen
US5634334A (en) * 1992-10-14 1997-06-03 Hehl; Karl Hydraulic device for use in a production machine
DE4335403C1 (de) * 1993-10-18 1994-12-15 Karl Hehl Hydraulikeinrichtung
US5645775A (en) * 1995-10-04 1997-07-08 Barber-Colman Company Adaptive controller for injection molding
DE19603251C1 (de) * 1996-01-30 1997-01-30 Battenfeld Gmbh Verfahren und Vorrichtung zum Betreiben des hydraulischen Betriebssystems einer Kunststoffverarbeitungsmaschine
JP4510992B2 (ja) * 2000-05-10 2010-07-28 川崎油工株式会社 プレスの油圧源の制御方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1539204A (fr) * 1967-08-03 1968-09-13 Plastimonde Perfectionnements au procédé de moulage des matières plastiques par aménagement du contrôle des opérations de déplacement du moule et du piston d'injection
GB1398275A (en) * 1971-12-28 1975-06-18 British Industrial Plastics Injection moulding machines
US3924840A (en) * 1972-09-18 1975-12-09 Gen Electric Viscosity control for a plastic molding machine
CH554741A (de) * 1973-02-07 1974-10-15 Netstal Ag Maschf Giesserei Kunststoff-spritzgiessmaschine mit programmiereinrichtung.
JPS51144881A (en) * 1975-06-05 1976-12-13 Daikin Ind Ltd Fluid system
DE2528963C2 (de) * 1975-06-28 1983-11-03 Karl 7298 Loßburg Hehl Steuervorrichtung für den hydraulischen Kreislauf einer Spritzgießmaschine
DE2532429C3 (de) * 1975-07-19 1981-12-17 G. Bauknecht Gmbh, 7000 Stuttgart Verfahren und Einrichtung zum Spritzgießen einer Kunststoffmasse mit veränderbarer Einspritzgeschwindigkeit
JPS5356479A (en) * 1976-11-01 1978-05-22 Daikin Ind Ltd Fluid control device
JPS6027841B2 (ja) * 1977-12-08 1985-07-01 ダイキン工業株式会社 流体制御装置
JPS5483964A (en) * 1977-12-16 1979-07-04 Hitachi Ltd Injection speed pattern control device for injection molding machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712991A (en) * 1984-12-28 1987-12-15 Karl Hehl Hydraulic control system for injection unit of injection molding machine
US4846664A (en) * 1986-12-23 1989-07-11 Karl Hehl Hydraulic system for the mold clamping unit of a plastics injection molding machine

Also Published As

Publication number Publication date
GB2099610A (en) 1982-12-08
JPS57195633A (en) 1982-12-01
DE3119095A1 (de) 1982-12-02
NL8200963A (nl) 1982-12-01
FR2506041B1 (fr) 1985-12-06
DE3119095C2 (de) 1983-09-01
ATA157682A (de) 1984-03-15
IT8220316A0 (it) 1982-03-22
FR2506041A1 (fr) 1982-11-19
GB2099610B (en) 1986-04-09
IT1200573B (it) 1989-01-27
CH659427A5 (de) 1987-01-30
AT376170B (de) 1984-10-25

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Legal Events

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MKEX Expiry