BR7503321A - REGULATORY DEVICE FOR PRESSURE CONTROL EQUIPMENT OR PRESSURE MEDIA QUANTITY IN HYDRAULIC DRIVES, ESPECIALLY PRESSURE CASTING MACHINES - Google Patents

REGULATORY DEVICE FOR PRESSURE CONTROL EQUIPMENT OR PRESSURE MEDIA QUANTITY IN HYDRAULIC DRIVES, ESPECIALLY PRESSURE CASTING MACHINES

Info

Publication number
BR7503321A
BR7503321A BR7504250A BR7504250A BR7503321A BR 7503321 A BR7503321 A BR 7503321A BR 7504250 A BR7504250 A BR 7504250A BR 7504250 A BR7504250 A BR 7504250A BR 7503321 A BR7503321 A BR 7503321A
Authority
BR
Brazil
Prior art keywords
pressure
control equipment
casting machines
hydraulic drives
regulatory device
Prior art date
Application number
BR7504250A
Other languages
Portuguese (pt)
Inventor
R Geier
Original Assignee
Idra Pressen Gmbh
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 Idra Pressen Gmbh filed Critical Idra Pressen Gmbh
Publication of BR7503321A publication Critical patent/BR7503321A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/12—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action
    • F15B11/121—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions
    • F15B11/125—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions by means of digital actuators, i.e. actuators in which the total stroke is the sum of individual strokes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/32—Controlling equipment
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BR7504250A 1974-05-28 1975-05-27 REGULATORY DEVICE FOR PRESSURE CONTROL EQUIPMENT OR PRESSURE MEDIA QUANTITY IN HYDRAULIC DRIVES, ESPECIALLY PRESSURE CASTING MACHINES BR7503321A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2425737 1974-05-28

Publications (1)

Publication Number Publication Date
BR7503321A true BR7503321A (en) 1976-04-20

Family

ID=5916653

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7504250A BR7503321A (en) 1974-05-28 1975-05-27 REGULATORY DEVICE FOR PRESSURE CONTROL EQUIPMENT OR PRESSURE MEDIA QUANTITY IN HYDRAULIC DRIVES, ESPECIALLY PRESSURE CASTING MACHINES

Country Status (3)

Country Link
BR (1) BR7503321A (en)
FR (1) FR2273179A1 (en)
IT (1) IT1037908B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10246916B3 (en) * 2002-10-08 2004-04-15 Holter Regelarmaturen Gmbh & Co. Kg Multi-stage throttle for flowing medium has several control cone/seat units, one adjustable independently of the others, and acting in closing direction with adjusting cylinder/piston units to prevent cavitation damages

Also Published As

Publication number Publication date
IT1037908B (en) 1979-11-20
FR2273179A1 (en) 1975-12-26

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