DE3419689C2 - Vorrichtung zur Druckmittelversorgung eines Hydrozylinders - Google Patents

Vorrichtung zur Druckmittelversorgung eines Hydrozylinders

Info

Publication number
DE3419689C2
DE3419689C2 DE19843419689 DE3419689A DE3419689C2 DE 3419689 C2 DE3419689 C2 DE 3419689C2 DE 19843419689 DE19843419689 DE 19843419689 DE 3419689 A DE3419689 A DE 3419689A DE 3419689 C2 DE3419689 C2 DE 3419689C2
Authority
DE
Germany
Prior art keywords
pressure
valve
proportional
low
hydraulic cylinder
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
DE19843419689
Other languages
German (de)
English (en)
Other versions
DE3419689A1 (de
Inventor
Gerhard 7000 Stuttgart Mutschler
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.)
Bosch Rexroth AG
Original Assignee
Mannesmann Rexroth 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 Mannesmann Rexroth AG filed Critical Mannesmann Rexroth AG
Priority to DE19843419689 priority Critical patent/DE3419689C2/de
Publication of DE3419689A1 publication Critical patent/DE3419689A1/de
Application granted granted Critical
Publication of DE3419689C2 publication Critical patent/DE3419689C2/de
Expired legal-status Critical Current

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
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • F15B2211/20592—Combinations of pumps for supplying high and low pressure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/31523—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member
    • F15B2211/31529—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member having a single pressure source and a single output member
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant throttles or orifices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41509—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and a directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/775—Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press
DE19843419689 1984-05-25 1984-05-25 Vorrichtung zur Druckmittelversorgung eines Hydrozylinders Expired DE3419689C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843419689 DE3419689C2 (de) 1984-05-25 1984-05-25 Vorrichtung zur Druckmittelversorgung eines Hydrozylinders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843419689 DE3419689C2 (de) 1984-05-25 1984-05-25 Vorrichtung zur Druckmittelversorgung eines Hydrozylinders

Publications (2)

Publication Number Publication Date
DE3419689A1 DE3419689A1 (de) 1985-11-28
DE3419689C2 true DE3419689C2 (de) 1986-11-27

Family

ID=6236924

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843419689 Expired DE3419689C2 (de) 1984-05-25 1984-05-25 Vorrichtung zur Druckmittelversorgung eines Hydrozylinders

Country Status (1)

Country Link
DE (1) DE3419689C2 (es)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2021182C3 (de) * 1970-04-30 1978-03-30 Maschinenfabrik Weingarten Ag, 7987 Weingarten Vorrichtung zum Einstellen der Preßkolbengeschwindigkeiten und -drücke bei Druckgießmaschinen mit Drei-Phasen-System, insbesondere bei Kaltkammer-Druckgießmaschinen
FR2271429B1 (es) * 1974-05-16 1978-03-31 Poclain Sa
DE2747548C2 (de) * 1977-10-22 1986-04-17 Thyssen Industrie Ag, 4300 Essen Presse mit Regelkreis
DE2809387A1 (de) * 1978-03-04 1980-01-17 Thyssen Industrie Hydraulische schneid-, abgrat- o.dgl. -presse mit waehrend des stoesselwegs stark veraenderlichem bewegungswiderstand des pressenstoessels
DE2919206A1 (de) * 1979-05-12 1980-11-20 Bosch Gmbh Robert Einrichtung zur steuerung eines hydraulischen verbrauchers
PL126538B1 (en) * 1979-11-15 1983-08-31 Politechnika Krakowska Pulsatory press hydraulic supply system
DE3235954C2 (de) * 1982-09-29 1986-02-13 Mannesmann Rexroth GmbH, 8770 Lohr Vorrichtung zum Steuern des Eilganges und des Vorschubes eines druckmittelbetriebenen Werkzeugmaschinenschlittens

Also Published As

Publication number Publication date
DE3419689A1 (de) 1985-11-28

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee