EP0496882A4 - Outer load controller of press - Google Patents

Outer load controller of press

Info

Publication number
EP0496882A4
EP0496882A4 EP19900910945 EP90910945A EP0496882A4 EP 0496882 A4 EP0496882 A4 EP 0496882A4 EP 19900910945 EP19900910945 EP 19900910945 EP 90910945 A EP90910945 A EP 90910945A EP 0496882 A4 EP0496882 A4 EP 0496882A4
Authority
EP
European Patent Office
Prior art keywords
press
load controller
outer load
controller
load
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.)
Withdrawn
Application number
EP19900910945
Other languages
English (en)
Other versions
EP0496882A1 (fr
Inventor
Hidemi Moriyama
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Publication of EP0496882A1 publication Critical patent/EP0496882A1/fr
Publication of EP0496882A4 publication Critical patent/EP0496882A4/en
Withdrawn legal-status Critical Current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
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/22—Control arrangements for fluid-driven presses controlling the degree of pressure applied by the ram during the pressing stroke
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Presses (AREA)
  • Press Drives And Press Lines (AREA)
EP19900910945 1989-07-14 1990-07-13 Outer load controller of press Withdrawn EP0496882A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP180598/89 1989-07-14
JP1180598A JPH0763879B2 (ja) 1989-07-14 1989-07-14 プレスのアウタ荷重制御装置

Publications (2)

Publication Number Publication Date
EP0496882A1 EP0496882A1 (fr) 1992-08-05
EP0496882A4 true EP0496882A4 (en) 1992-11-04

Family

ID=16086061

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900910945 Withdrawn EP0496882A4 (en) 1989-07-14 1990-07-13 Outer load controller of press

Country Status (5)

Country Link
EP (1) EP0496882A4 (fr)
JP (1) JPH0763879B2 (fr)
KR (1) KR920703323A (fr)
BR (1) BR9007524A (fr)
WO (1) WO1991001215A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3534326B2 (ja) * 1994-11-29 2004-06-07 株式会社小松製作所 油圧プレスのスライド制御方法
FR2840381B1 (fr) * 2002-06-04 2006-07-07 Linde Ag Systeme d'entrainement hydrostatique, notamment pour un chariot transport
JP2011038615A (ja) * 2009-08-17 2011-02-24 Sumitomo Heavy Industries Techno-Fort Co Ltd 機械プレスにおける湿式クラッチブレーキの冷却油量制御装置
CN103331937A (zh) * 2013-07-04 2013-10-02 天津市天锻压力机有限公司 基于压力反馈的数控液压机泄压系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60261698A (ja) * 1984-06-07 1985-12-24 Toyota Motor Corp プレスのアウタ荷重制御方法およびその装置
JPS6246198U (fr) * 1985-09-02 1987-03-20
JPS62151300A (ja) * 1985-12-26 1987-07-06 Komatsu Ltd プレス機械の過荷重保護装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9101215A1 *

Also Published As

Publication number Publication date
JPH0763879B2 (ja) 1995-07-12
WO1991001215A1 (fr) 1991-02-07
KR920703323A (ko) 1992-12-17
EP0496882A1 (fr) 1992-08-05
JPH0347700A (ja) 1991-02-28
BR9007524A (pt) 1992-06-23

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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: 19920110

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): GB IT

A4 Supplementary search report drawn up and despatched

Effective date: 19920914

AK Designated contracting states

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Designated state(s): GB IT

17Q First examination report despatched

Effective date: 19940125

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19940606