AT378503B - HYDRAULIC CONTROL DEVICE FOR THE INJECTION UNIT OF A PLASTIC INJECTION MOLDING MACHINE, FOR CONTROLLING DIFFERENT HYDRAULIC PRESSURES - Google Patents

HYDRAULIC CONTROL DEVICE FOR THE INJECTION UNIT OF A PLASTIC INJECTION MOLDING MACHINE, FOR CONTROLLING DIFFERENT HYDRAULIC PRESSURES

Info

Publication number
AT378503B
AT378503B AT0618680A AT618680A AT378503B AT 378503 B AT378503 B AT 378503B AT 0618680 A AT0618680 A AT 0618680A AT 618680 A AT618680 A AT 618680A AT 378503 B AT378503 B AT 378503B
Authority
AT
Austria
Prior art keywords
control device
molding machine
controlling different
injection molding
hydraulic control
Prior art date
Application number
AT0618680A
Other languages
German (de)
Other versions
ATA618680A (en
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of ATA618680A publication Critical patent/ATA618680A/en
Application granted granted Critical
Publication of AT378503B publication Critical patent/AT378503B/en

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)
  • Fluid-Pressure Circuits (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
AT0618680A 1979-12-22 1980-12-18 HYDRAULIC CONTROL DEVICE FOR THE INJECTION UNIT OF A PLASTIC INJECTION MOLDING MACHINE, FOR CONTROLLING DIFFERENT HYDRAULIC PRESSURES AT378503B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792951948 DE2951948A1 (en) 1979-12-22 1979-12-22 HYDRAULIC CONTROL DEVICE FOR THE INJECTION UNIT OF A PLASTIC INJECTION MOLDING MACHINE FOR CONTROLLING DIFFERENT HYDRAULIC PRESSURES

Publications (2)

Publication Number Publication Date
ATA618680A ATA618680A (en) 1985-01-15
AT378503B true AT378503B (en) 1985-08-26

Family

ID=6089377

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0618680A AT378503B (en) 1979-12-22 1980-12-18 HYDRAULIC CONTROL DEVICE FOR THE INJECTION UNIT OF A PLASTIC INJECTION MOLDING MACHINE, FOR CONTROLLING DIFFERENT HYDRAULIC PRESSURES

Country Status (4)

Country Link
AT (1) AT378503B (en)
DE (1) DE2951948A1 (en)
FR (1) FR2472969A1 (en)
IT (1) IT1149870B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3113933A1 (en) * 1981-04-07 1982-10-28 Robert Bosch Gmbh, 7000 Stuttgart Hydraulic control arrangement
EP0101523B1 (en) * 1982-08-19 1986-04-16 Vickers Systems GmbH Pressure-limiting apparatus
DE3327947A1 (en) * 1983-08-03 1985-02-21 Robert Bosch Gmbh, 7000 Stuttgart HYDRAULIC CONTROL DEVICE
DE3418141A1 (en) * 1984-05-16 1985-11-21 Robert Bosch Gmbh, 7000 Stuttgart HYDRAULIC CONTROL DEVICE FOR THE INJECTION UNIT OF A PLASTIC INJECTION MOLDING MACHINE
DE3537421A1 (en) * 1985-10-21 1987-04-23 Rexroth Mannesmann Gmbh Plastics processing machine with hydraulic drives
DE4228599B4 (en) * 1991-09-11 2004-08-19 Bosch Rexroth Ag Hydraulic circuit for the supply of several, serially operated consumers of a hydraulically controlled system
DE4335328A1 (en) * 1993-10-18 1995-04-20 Battenfeld Gmbh Hydraulic operating system for injection molding machines
DE102005034202A1 (en) * 2004-10-15 2006-04-20 Bosch Rexroth Aktiengesellschaft Hydraulically operated casting unit
SE533383C2 (en) 2008-05-15 2010-09-07 Parker Hannifin Ab Electrohydraulic control system
DE102011008362A1 (en) * 2011-01-12 2012-07-12 Dieter Voigt Method for pressure control of two hydraulic circuits in hydraulic system for supplying oil to internal combustion engine in motor car, involves arranging throttle valve within oil pump according to branching of hydraulic circuits

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1529906A1 (en) * 1966-04-26 1969-10-02 Eckert & Ziegler Gmbh Method and hydraulic circuit arrangement for controlling a screw injection molding machine
US3894824A (en) * 1973-03-14 1975-07-15 Package Machinery Co Hydraulic control for plastic injection molding machine
DE2523303C3 (en) * 1975-05-27 1980-04-24 Kloeckner-Werke Ag, 4100 Duisburg Hydraulic control device for the injection unit of a plastic injection molding machine for controlling different hydraulic pressures
DE2544682A1 (en) * 1975-10-06 1977-04-14 Krauss Maffei Ag Hydraulic control for injection moulding machine - having hydraulic reservoir to give smooth change from injection to holding pressure

Also Published As

Publication number Publication date
ATA618680A (en) 1985-01-15
DE2951948A1 (en) 1981-07-02
IT8026727A0 (en) 1980-12-18
FR2472969B1 (en) 1985-03-29
IT1149870B (en) 1986-12-10
FR2472969A1 (en) 1981-07-10
DE2951948C2 (en) 1989-02-16

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time