EP2480405B1 - Vorgespannter hydraulischer antrieb mit drehzahlvariabler pumpe - Google Patents

Vorgespannter hydraulischer antrieb mit drehzahlvariabler pumpe Download PDF

Info

Publication number
EP2480405B1
EP2480405B1 EP10740535.9A EP10740535A EP2480405B1 EP 2480405 B1 EP2480405 B1 EP 2480405B1 EP 10740535 A EP10740535 A EP 10740535A EP 2480405 B1 EP2480405 B1 EP 2480405B1
Authority
EP
European Patent Office
Prior art keywords
hydraulic
cylinder
piston
master
hydraulic machine
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.)
Revoked
Application number
EP10740535.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2480405A1 (de
Inventor
Stefan Schmidt
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43087109&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2480405(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2480405A1 publication Critical patent/EP2480405A1/de
Application granted granted Critical
Publication of EP2480405B1 publication Critical patent/EP2480405B1/de
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/161—Control arrangements for fluid-driven presses controlling the ram speed and ram pressure, e.g. fast approach speed at low pressure, low pressing speed at high 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/2053—Type of pump
    • F15B2211/20561—Type of pump reversible
    • 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
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/3058—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having additional valves for interconnecting the fluid chambers of a double-acting actuator, e.g. for regeneration mode or for floating mode
    • 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
    • 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
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
    • 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
    • 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
    • F15B2211/78—Control of multiple output members
    • F15B2211/782—Concurrent control, e.g. synchronisation of two or more actuators
    • 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
    • F15B2211/785—Compensation of the difference in flow rate in closed fluid circuits using differential actuators

Definitions

  • the present invention generally relates to a hydraulic drive preferably for a press, plastic machine, bending machine, etc. according to the preamble of claim 1.
  • Such drives are designed to realize at least two motion sequences, namely a fast transfer movement (hereinafter referred to as “rapid traverse”) and a force-applying working movement (hereinafter referred to as “press gear”).
  • rapid traverse a fast transfer movement
  • press gear a force-applying working movement
  • EP 0 785 861 B1 is a generic hydraulic drive for a press known.
  • This drive consists of a driven hydrostatic machine that generates a predetermined constant pressure in a primary pressure line system and a hydraulic transformer consisting of a hydraulic motor and a hydraulic pump connected to it mechanically.
  • the preferably adjustable hydraulic motor is connected to the primary pressure line system and is thus driven by the hydrostatic machine.
  • the also adjustable hydraulic pump acts on a secondary pressure line system with a hydraulic pressure, in which a pressing cylinder is used, the cylinder chambers are connected via valves to the two hydraulic connections of the hydraulic pump.
  • the two cylinder chambers of the press cylinder are connected via a pressure line to the primary pressure line system to bias the plunger to the primary pressure (corresponding to the required bias pressure for the press cylinder).
  • the object of the present invention is to provide a generic hydraulic drive, which manages with a reduced number of hydraulic components and is nevertheless characterized in operation by a low energy consumption.
  • the invention accordingly relates to a hydraulic drive with a variable speed controlled by an electric drive motor hydraulic machine, a master cylinder for performing a force-building movement sequence and a slave cylinder to perform a fast movement.
  • the master cylinder is pre-clamped or clamped by a predetermined permanent pressure, preferably acting on both piston surfaces, preferably generated by an external pressure source, wherein the hydraulic machine by selectively circulating pressure medium in a closed circuit, in which the hydraulic machine is interposed Stroke movement of the master cylinder and the slave cylinder after one of the two movements causes.
  • biasing the drive preferably by means of responsible for the motion hydraulic machine or by the external pressure source significantly reduces the volume of compression to be funded
  • the combination of bias of the drive and the servo-electric variable-speed pump (hydraulic machine) as a biasing means and as hydraulsiches drive means for the two cylinders represent an economical realization of an energy-saving hydraulic drive with short cycle times.
  • the inventive hydraulic drive a pressure medium source in the form of a variable speed driven hydraulic machine 1 as a pump, which is mechanically connected thereto for an electric motor 2.
  • the hydraulic machine 1 is connected at its two pressure ports to a hydraulic pressure line system which forms a closed hydraulic pressure circuit.
  • a first connecting line 3 is connected to a first pressure port of the hydraulic machine 1, which leads directly to a piston-side pressure chamber 4 a of a master cylinder 4.
  • a second line 5 is connected, which is connected via a valve 6 with a piston rod-side pressure chamber 4b of the master cylinder 4 (hereinafter referred to as annular chamber 4b).
  • the valve 6 is presently designed as a directional control valve and in particular as a 3/2 way switching valve with a first switching position in which only a hydraulic fluid flow from the annular chamber 4b of the master cylinder 4 in the direction of hydraulic machine 1 is allowed, a second switching position in which a Hydraulic fluid flow in both directions is possible and a third switching position in which the second line 5 is completely blocked.
  • a branch 7 is inserted into the second line 5, which leads to a piston rod side pressure chamber 8a of an auxiliary cylinder 8.
  • the piston 8b of the auxiliary cylinder 8 is in its diameter significantly smaller than the piston 4c of the master cylinder 4, so that the stroke of the auxiliary cylinder 8 at a comparable volume flow of the hydraulic fluid is greater than the stroke of the master cylinder 4.
  • the ring sides of the cylinder 4, 8 ideally in sum the same area as the piston side of the master cylinder. 4
  • a bypass or shorting line 9 which connects the piston chamber 4a of the master cylinder 4 with the annular chamber 4b.
  • a short-circuit valve 10 is interposed, the in the present case designed as a way switching valve and preferably as a 2/2 way switching valve.
  • the bypass line 9 In a first switching position of this short-circuit valve 10, the bypass line 9 is fully open (ie in both directions), wherein in a second switching position only a fluid flow from the annular chamber 4b is admitted into the piston chamber 4a of the master cylinder 4 via the bypass line 9.
  • the hydraulic drive with the above structure is installed in a press.
  • the piston rod 4d of the master cylinder 4 as well as the piston rod 8c of the slave cylinder 8 are connected to a displaceably mounted ram 11 to which a pressing tool 12 or a punching tool is attached.
  • the hydraulic pressure system according to the invention also has numerous safety devices to prevent overpressure conditions or unintentional lowering of the ram 11, which are not shown in detail in the figures.
  • the annular chamber 8a of the auxiliary cylinder 8 can be secured via two series-monitored, monitored seat valves (not shown). Thereby, a lowering of the upper pressing tool 12 can be securely prevented.
  • the piston chamber 4 a of the master cylinder 4 can be secured against unintentional pressurization. This can be achieved by the directional control valves 6, 10 themselves, or by a monitored release of the electric drive motor 2 of the hydraulic machine 1.
  • a pressure accumulator 13 is connected via a valve 14 to the first pressure line 3 between the hydraulic machine 1 and the piston chamber 4a of the master cylinder 4.
  • This valve 14 is provided by a directional control valve, preferably a 2/2 way switching valve, with a first switching position in which the connection between the external pressure source 13 and the first pressure line 3 is fully released and a second switching position in which only a fluid flow the external pressure source 13 in the first pressure line 3 is allowed.
  • At least the piston-side pressure chamber 4a of the master cylinder 4 is constantly acted upon by the pressure medium source with a predetermined approximately constant (in particular regulated) hydraulic pressure.
  • the movement of the two cylinders 4, 8 is controlled by circulating pressure medium in the closed pressure circuit by means of the variable-speed driven hydraulic machine 1.
  • the slave cylinder 8 is smaller than the master cylinder 4 and the pump 1 acts only on the volume of the ring side of the slave cylinder 8, the downward movement (and later the retraction movement) of the ram 11 at a predetermined volume flow at a relatively high speed, even then, when the hydraulic machine 1 is designed with a small capacity.
  • the electric drive motor 2 permissible
  • the short-circuit valve 10 switches to the switching position in which only one flow from the annular chamber 4b of the master cylinder 4 is allowed and the valve 6 in the switching position in which a fluid flow from the annular chamber 4b to Hydromachine 1 is allowed.
  • the pressure within the annular chamber 4b degraded by the hydraulic machine 1, since no pressure equalization between the master cylinder chambers 4a, 4b via the short-circuit valve 10 takes place more, whereas the pressure within the piston chamber 4a of the master cylinder 4 is maintained or increased.
  • the valve 6 is in a switching position according to the Fig. 4 brought, after which a fluid flow within the connecting line 5 in both directions, ie, from and to the annular chamber 4b of the master cylinder 4 is made possible.
  • a pressure equalization takes place between the main cylinder chambers 4a, 4b and the annular chamber 8a of the auxiliary cylinder 8 via the connecting line 5 and the branch 7, wherein at the same time energy can be recovered via the electric drive motor 2.
  • the punch 11 can be withdrawn by, as in Fig. 5 is shown, the valve 6 is brought into the switching position in which only one flow from the annular space 4a of the master cylinder 4 is allowed and the short-circuit valve 10 is switched to the switching position in which the bypass line 9 is fully open (in both directions).
  • the hydraulic machine 1 can be flanged to a valve block (not shown), which contains the functional or safety valves of the drive.
  • the electric motor for operating the pump can be attached to these.
  • This unit can in turn be constructed on a hydraulic cylinder, whereby a particularly compact Anstriebsachse is available.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Presses (AREA)
  • Fluid-Pressure Circuits (AREA)
EP10740535.9A 2009-09-25 2010-07-27 Vorgespannter hydraulischer antrieb mit drehzahlvariabler pumpe Revoked EP2480405B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910043034 DE102009043034A1 (de) 2009-09-25 2009-09-25 Vorgespannter hydraulischer Antrieb mit drehzahlvariabler Pumpe
PCT/EP2010/004578 WO2011035828A1 (de) 2009-09-25 2010-07-27 Vorgespannter hydraulischer antrieb mit drehzahlvariabler pumpe

Publications (2)

Publication Number Publication Date
EP2480405A1 EP2480405A1 (de) 2012-08-01
EP2480405B1 true EP2480405B1 (de) 2013-06-19

Family

ID=43087109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10740535.9A Revoked EP2480405B1 (de) 2009-09-25 2010-07-27 Vorgespannter hydraulischer antrieb mit drehzahlvariabler pumpe

Country Status (5)

Country Link
EP (1) EP2480405B1 (zh)
CN (1) CN102612430B (zh)
DE (1) DE102009043034A1 (zh)
TW (1) TWI519717B (zh)
WO (1) WO2011035828A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015185644A1 (de) 2014-06-04 2015-12-10 Moog Gmbh Hydrauliksystem
DE102017202131A1 (de) 2017-02-10 2018-08-16 Siemens Aktiengesellschaft Piezohydraulischer Aktor und Verfahren zum Betreiben eines solchen piezohydraulischen Aktors

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012062416A1 (de) 2010-11-11 2012-05-18 Robert Bosch Gmbh Hydraulische achse
DE102012020581A1 (de) 2012-10-22 2014-04-24 Robert Bosch Gmbh Hydraulische Schaltung für eine hydraulische Achse und eine hydraulische Achse
DE102013227053B4 (de) 2013-12-23 2023-04-20 Robert Bosch Gmbh Hydraulische Achse
DE102014226236A1 (de) * 2014-09-29 2016-03-31 Robert Bosch Gmbh Hydraulische Schaltung und Maschine mit einer hydraulischen Schaltung
DE102014219734A1 (de) * 2014-09-30 2016-03-31 Robert Bosch Gmbh Hydraulische Schaltung zur Druckmittelversorgung eines Differentialzylinders
EP3109488B1 (en) 2015-06-25 2017-12-13 MOOG GmbH Safe-to-operate hydraulic drive
DE102015011209B4 (de) * 2015-08-26 2021-03-18 Horst Baltschun Hydraulische Presse
DE102015225436A1 (de) 2015-12-16 2017-06-22 Robert Bosch Gmbh Ventilblock, Zylinder, Kompaktachse und Kompaktachsen-Baukasten
DE102016113882A1 (de) * 2016-07-27 2018-02-01 Moog Gmbh Elektro-hydrostatisches Antriebssystem
US11618232B2 (en) 2017-08-01 2023-04-04 Moog Gmbh Apparatus for controlling the switch-over of hydraulic cylinders
CN108590602B (zh) * 2018-04-14 2020-11-06 嘉兴市国龙石油化工股份有限公司 一种用于石油开采设备的自动加压装置
DE102018113910A1 (de) 2018-06-11 2019-12-12 Moog Gmbh Strangpresse mit elektrohydrostatischen Steuersystem
DE102018120000A1 (de) * 2018-08-16 2020-02-20 Moog Gmbh Elektrohydrostatisches Aktuatorsystem mit Nachsaugbehälter
DE102019105449A1 (de) * 2019-03-04 2020-09-10 Wacker Neuson Linz Gmbh Linearantrieb mit geschlossenem Hydraulikkreislauf
KR20220137752A (ko) * 2020-02-14 2022-10-12 메티스모션 게엠베하 액추에이터 장치 및 이러한 액추에이터 장치를 작동시키기 위한 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3640236A1 (de) * 1986-11-25 1988-06-01 Rexroth Mannesmann Gmbh Anordnung zum erzeugen hoher hydraulischer druecke
JPH029988A (ja) * 1988-06-28 1990-01-12 Daikin Ind Ltd 流体機械の油戻し装置
DE4308344A1 (de) * 1993-03-16 1994-09-22 Mueller Weingarten Maschf Verfahren zur Regelung des Antriebs einer hydraulischen Presse und Vorrichtung zur Durchführung des Verfahrens
DE4436666A1 (de) 1994-10-13 1996-04-18 Rexroth Mannesmann Gmbh Hydraulisches Antriebssystem für eine Presse
JPH10141310A (ja) * 1996-11-13 1998-05-26 Komatsu Ltd 圧油供給装置
JP2006316800A (ja) * 2005-05-10 2006-11-24 Osaka Jack Seisakusho:Kk ジャッキ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015185644A1 (de) 2014-06-04 2015-12-10 Moog Gmbh Hydrauliksystem
DE102017202131A1 (de) 2017-02-10 2018-08-16 Siemens Aktiengesellschaft Piezohydraulischer Aktor und Verfahren zum Betreiben eines solchen piezohydraulischen Aktors

Also Published As

Publication number Publication date
TW201115034A (en) 2011-05-01
CN102612430A (zh) 2012-07-25
TWI519717B (zh) 2016-02-01
WO2011035828A1 (de) 2011-03-31
EP2480405A1 (de) 2012-08-01
CN102612430B (zh) 2016-04-27
DE102009043034A1 (de) 2011-03-31

Similar Documents

Publication Publication Date Title
EP2480405B1 (de) Vorgespannter hydraulischer antrieb mit drehzahlvariabler pumpe
DE102011000473B4 (de) Pressmaschine und Verfahren zum Pressen von Werkstücken
EP0615837B1 (de) Verfahren zur Regelung des Antriebs einer hydraulischen Presse und Vorrichtung zur Durchführung des Verfahrens
DE102006058630B4 (de) Elektrohydraulische Pressenhaupt- oder Nebenantriebseinrichtung, insbesondere elektrohydraulischer Ziehkissenantrieb
EP3174650B1 (de) Stanzvorrichtung und verfahren zum stanzen eines werkstücks
DE102012015118B3 (de) Maschinenpresse
WO2002024441A1 (de) Steuervorrichtung für eine hydraulische presse sowie verfahren zu deren betrieb
EP2420681B1 (de) Hydraulischer Linearantrieb
EP0972631B1 (de) Hydraulischer Antrieb für eine Presse
WO2007031163A1 (de) Steuervorrichtung und steuerverfahren für eine kolben-zylinder-anordnung
EP2846942B1 (de) Hydraulische strangpresse sowie verfahren zum betrieb einer hydraulischen strangpresse
EP3880975B1 (de) Elektrohydrostatisches aktuatorsystem
EP2511023B1 (de) Hydraulisch betriebenes Setzgerät mit einem Hydraulikaggregat und ein Fügeverfahren zum Verbinden von mindestens zwei Bauteilen
EP1706648A1 (de) Antriebsvorrichtung
DE2150726B2 (de) Spindelpresse
DE1917511A1 (de) Hydraulischer Antrieb fuer Schmiedemaschinen
DE102016007266A1 (de) Vorrichtung zur direkten Rekuperation von hydraulischer Energie mittels eines einfachwirkenden Hydraulikzylinders
EP3115190B1 (de) Vorrichtung und verfahren zum steuern des hauptantriebs einer feinschneidpresse
EP3056291B1 (de) Presse mit Schnittschlagdämpfung
DE10339004B4 (de) Hydraulische Presse
DE102004006126A1 (de) Presse mit verriegeltem Stößel
WO2006066521A1 (de) Linearantrieb mit kraftübersetzer
DE4446580A1 (de) Doppelpresse
EP0559651B1 (de) Hydraulisch angetriebene maschine mit zwei antriebszylindern
WO2008064619A1 (de) Umformpresse mit im schiebetisch integrierter ziehkissenfunktionalität

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20120425

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 617405

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130715

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502010003754

Country of ref document: DE

Effective date: 20130814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130919

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130930

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130920

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130919

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20130619

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

BERE Be: lapsed

Owner name: ROBERT BOSCH G.M.B.H.

Effective date: 20130731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20131021

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20131019

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130904

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20140331

26 Opposition filed

Opponent name: MOOG GMBH

Effective date: 20140319

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130731

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130819

REG Reference to a national code

Ref country code: DE

Ref legal event code: R026

Ref document number: 502010003754

Country of ref document: DE

Effective date: 20140319

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130727

PLAF Information modified related to communication of a notice of opposition and request to file observations + time limit

Free format text: ORIGINAL CODE: EPIDOSCOBS2

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20140727

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140731

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140731

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140727

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

R26 Opposition filed (corrected)

Opponent name: MOOG GMBH

Effective date: 20140319

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20100727

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130727

PLCK Communication despatched that opposition was rejected

Free format text: ORIGINAL CODE: EPIDOSNREJ1

APBM Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOSNREFNO

APBP Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2O

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

APBQ Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3O

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130619

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: MOOG GMBH

Effective date: 20140319

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: ROBERT BOSCH GMBH

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20200924

Year of fee payment: 11

APBU Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9O

REG Reference to a national code

Ref country code: DE

Ref legal event code: R064

Ref document number: 502010003754

Country of ref document: DE

Ref country code: DE

Ref legal event code: R103

Ref document number: 502010003754

Country of ref document: DE

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20200720

Year of fee payment: 11

Ref country code: IT

Payment date: 20200731

Year of fee payment: 11

RDAF Communication despatched that patent is revoked

Free format text: ORIGINAL CODE: EPIDOSNREV1

RDAG Patent revoked

Free format text: ORIGINAL CODE: 0009271

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: PATENT REVOKED

REG Reference to a national code

Ref country code: FI

Ref legal event code: MGE

27W Patent revoked

Effective date: 20201123

REG Reference to a national code

Ref country code: AT

Ref legal event code: MA03

Ref document number: 617405

Country of ref document: AT

Kind code of ref document: T

Effective date: 20201123