EP0485755A3 - Overload protection for mechanical press - Google Patents

Overload protection for mechanical press Download PDF

Info

Publication number
EP0485755A3
EP0485755A3 EP19910117706 EP91117706A EP0485755A3 EP 0485755 A3 EP0485755 A3 EP 0485755A3 EP 19910117706 EP19910117706 EP 19910117706 EP 91117706 A EP91117706 A EP 91117706A EP 0485755 A3 EP0485755 A3 EP 0485755A3
Authority
EP
European Patent Office
Prior art keywords
overload protection
mechanical press
press
mechanical
overload
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.)
Granted
Application number
EP19910117706
Other languages
German (de)
Other versions
EP0485755B1 (en
EP0485755A2 (en
Inventor
Erich Harsch
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.)
Maschinenfabrik Mueller Weingarten AG
Original Assignee
Maschinenfabrik Mueller Weingarten 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 Maschinenfabrik Mueller Weingarten AG filed Critical Maschinenfabrik Mueller Weingarten AG
Publication of EP0485755A2 publication Critical patent/EP0485755A2/en
Publication of EP0485755A3 publication Critical patent/EP0485755A3/en
Application granted granted Critical
Publication of EP0485755B1 publication Critical patent/EP0485755B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • B30B15/281—Arrangements for preventing distortion of, or damage to, presses or parts thereof overload limiting devices
    • B30B15/284—Arrangements for preventing distortion of, or damage to, presses or parts thereof overload limiting devices releasing fluid from a fluid chamber subjected to overload pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • B30B15/281—Arrangements for preventing distortion of, or damage to, presses or parts thereof overload limiting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Presses (AREA)
  • Forging (AREA)
EP91117706A 1990-11-15 1991-10-17 Overload protection for mechanical press Expired - Lifetime EP0485755B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4036470A DE4036470A1 (en) 1990-11-15 1990-11-15 Mechanical press overload protection system
DE4036470 1990-11-15

Publications (3)

Publication Number Publication Date
EP0485755A2 EP0485755A2 (en) 1992-05-20
EP0485755A3 true EP0485755A3 (en) 1992-09-30
EP0485755B1 EP0485755B1 (en) 1994-12-14

Family

ID=6418346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91117706A Expired - Lifetime EP0485755B1 (en) 1990-11-15 1991-10-17 Overload protection for mechanical press

Country Status (3)

Country Link
EP (1) EP0485755B1 (en)
DE (2) DE4036470A1 (en)
ES (1) ES2067831T3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4221147A1 (en) * 1992-06-27 1994-01-05 Schuler Gmbh L Press system
DE19532962A1 (en) * 1995-09-07 1997-03-13 Ulrich Keller Hydraulic overload control valve, esp. on presses
US5638748A (en) * 1996-01-25 1997-06-17 The Minster Machine Company Hydraulic overload proportional valving system for a mechanical press
DE19615926C1 (en) * 1996-04-22 1997-07-17 Fraunhofer Ges Forschung Overload-fuse device for power path of mechanical press
DE19805519C1 (en) * 1998-02-11 1999-07-29 Fraunhofer Ges Forschung Overload safety for mechanical press
DE19849830A1 (en) * 1998-09-16 2000-03-23 Erfurt Umformtechnik Gmbh Slide for simple-operation mechanical press, with differential cylinders on piston surface side of hydraulic working cylinder
ES2185434B1 (en) * 1999-06-17 2004-06-16 Fagor, S. Coop. HYDRAULIC SECURITY CIRCUIT IN A PRESS.
DE102013210807A1 (en) 2013-06-10 2014-12-11 Gräbener Pressensysteme GmbH & Co. KG Overload release device in a servo press

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1288431B (en) * 1965-12-10 1969-01-30 Weingarten Ag Maschf Total overload protection of a press
DE1577206A1 (en) * 1966-04-01 1970-04-09 Krupp Gmbh Hydraulic overload protection
FR2075436A5 (en) * 1970-02-04 1971-10-08 Weingarten Ag Maschf
DE2331697B1 (en) * 1973-06-22 1974-08-22 Maschinenfabrik Weingarten Ag, 7987 Weingarten Attachment shock absorber device for press rams
EP0114170A1 (en) * 1983-01-22 1984-08-01 L. SCHULER GmbH Overload protection device in presses

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62161500A (en) * 1986-01-13 1987-07-17 Aida Eng Ltd Overload safety device for press machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1288431B (en) * 1965-12-10 1969-01-30 Weingarten Ag Maschf Total overload protection of a press
DE1577206A1 (en) * 1966-04-01 1970-04-09 Krupp Gmbh Hydraulic overload protection
FR2075436A5 (en) * 1970-02-04 1971-10-08 Weingarten Ag Maschf
DE2331697B1 (en) * 1973-06-22 1974-08-22 Maschinenfabrik Weingarten Ag, 7987 Weingarten Attachment shock absorber device for press rams
EP0114170A1 (en) * 1983-01-22 1984-08-01 L. SCHULER GmbH Overload protection device in presses

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 393 (M-654)(2840) 23. Dezember 1987 & JP-A-62 161 500 ( AIDA ENG. LTD. ) 17. Juli 1987 *

Also Published As

Publication number Publication date
ES2067831T3 (en) 1995-04-01
EP0485755B1 (en) 1994-12-14
DE59103895D1 (en) 1995-01-26
DE4036470A1 (en) 1992-05-21
EP0485755A2 (en) 1992-05-20

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