DE59604877D1 - Device for controlling and regulating the pressure in hydraulic die cushions of presses - Google Patents

Device for controlling and regulating the pressure in hydraulic die cushions of presses

Info

Publication number
DE59604877D1
DE59604877D1 DE59604877T DE59604877T DE59604877D1 DE 59604877 D1 DE59604877 D1 DE 59604877D1 DE 59604877 T DE59604877 T DE 59604877T DE 59604877 T DE59604877 T DE 59604877T DE 59604877 D1 DE59604877 D1 DE 59604877D1
Authority
DE
Germany
Prior art keywords
presses
regulating
controlling
pressure
hydraulic die
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 - Lifetime
Application number
DE59604877T
Other languages
German (de)
Inventor
Dr Mueller
Axel Stange
Andreas Schlag
Eckhardt Menger
Gregor Geist
Steffen 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.)
Umformtechnik Erfurt GmbH
Original Assignee
Umformtechnik Erfurt 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=7776963&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE59604877(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Umformtechnik Erfurt GmbH filed Critical Umformtechnik Erfurt GmbH
Application granted granted Critical
Publication of DE59604877D1 publication Critical patent/DE59604877D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/10—Devices controlling or operating blank holders independently, or in conjunction with dies
    • B21D24/14—Devices controlling or operating blank holders independently, or in conjunction with dies pneumatically or hydraulically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Braking Arrangements (AREA)
  • Paper (AREA)
DE59604877T 1995-11-09 1996-11-05 Device for controlling and regulating the pressure in hydraulic die cushions of presses Expired - Lifetime DE59604877D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19541693A DE19541693A1 (en) 1995-11-09 1995-11-09 Device for controlling and regulating the pressure in hydraulic die cushions of presses

Publications (1)

Publication Number Publication Date
DE59604877D1 true DE59604877D1 (en) 2000-05-11

Family

ID=7776963

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19541693A Withdrawn DE19541693A1 (en) 1995-11-09 1995-11-09 Device for controlling and regulating the pressure in hydraulic die cushions of presses
DE59604877T Expired - Lifetime DE59604877D1 (en) 1995-11-09 1996-11-05 Device for controlling and regulating the pressure in hydraulic die cushions of presses

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19541693A Withdrawn DE19541693A1 (en) 1995-11-09 1995-11-09 Device for controlling and regulating the pressure in hydraulic die cushions of presses

Country Status (3)

Country Link
EP (1) EP0773076B1 (en)
DE (2) DE19541693A1 (en)
ES (1) ES2145362T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010058710A1 (en) * 2008-11-18 2010-05-27 アイダエンジニアリング株式会社 Die cushion device for press machine
DE102010019324B4 (en) * 2010-05-03 2015-05-07 Schuler Pressen Gmbh Hydraulic drawing cushion
DE102015016773A1 (en) 2015-12-23 2017-06-29 Wieland Petter Process for working and shaping metallic and other materials
DE102016106286B4 (en) * 2016-04-06 2023-03-02 Schuler Pressen Gmbh Process and device for controlling and regulating the ram movement and the ram forces on multi-point servo-hybrid presses

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3800527A1 (en) 1988-01-11 1989-07-20 Schnupp Gmbh & Co Hydraulik Kg Pressure regulation
DE3873514D1 (en) 1988-03-03 1992-09-10 Moog Gmbh CIRCUIT ARRANGEMENT FOR CONTROLLING THE HOLDING FORCE OF A HYDRAULIC TIN HOLDER IN A DRAW PRESS.
DE8905994U1 (en) * 1989-05-13 1989-07-20 Maschinenfabrik Müller-Weingarten AG, 7987 Weingarten Pneumatic pulling device for presses
DE4031645A1 (en) 1990-10-05 1992-04-09 Dieffenbacher Gmbh Maschf Hydroelastic deep-drawing die-cushion control for press - provides unequal distances for accelerations of workpiece holder and die attaining identical speeds at synchronism point

Also Published As

Publication number Publication date
ES2145362T3 (en) 2000-07-01
EP0773076A1 (en) 1997-05-14
DE19541693A1 (en) 1997-05-15
EP0773076B1 (en) 2000-04-05

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings