JPS5311378A - Apparatus for controlling hydraulic press, particularly o press for manufacturing large diameter pipes - Google Patents

Apparatus for controlling hydraulic press, particularly o press for manufacturing large diameter pipes

Info

Publication number
JPS5311378A
JPS5311378A JP6454077A JP6454077A JPS5311378A JP S5311378 A JPS5311378 A JP S5311378A JP 6454077 A JP6454077 A JP 6454077A JP 6454077 A JP6454077 A JP 6454077A JP S5311378 A JPS5311378 A JP S5311378A
Authority
JP
Japan
Prior art keywords
press
large diameter
diameter pipes
controlling hydraulic
manufacturing large
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
JP6454077A
Other languages
Japanese (ja)
Other versions
JPS5612369B2 (en
Inventor
Geruretsutsu Rihiaruto
Kuufuarutsuiiku Rainharuto
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of JPS5311378A publication Critical patent/JPS5311378A/en
Publication of JPS5612369B2 publication Critical patent/JPS5612369B2/ja
Granted 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
    • B30B15/007—Means for maintaining the press table, the press platen or the press ram against tilting or deflection
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • B21D5/015—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments for making tubes
    • 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
    • B30B15/24—Control arrangements for fluid-driven presses controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Control Of Presses (AREA)

Abstract

PURPOSE: To provide a simple apparatus accomplishing accurate press control by means of a generator for detecting deflection of an upper platen which is provded so that the piston cylinder device of the hydraulic press is controlled according to signal value.
COPYRIGHT: (C)1978,JPO&Japio
JP6454077A 1976-07-08 1977-05-31 Apparatus for controlling hydraulic press, particularly o press for manufacturing large diameter pipes Granted JPS5311378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762630966 DE2630966A1 (en) 1976-07-08 1976-07-08 CONTROL OF A HYDRAULIC PRESS, IN PARTICULAR AN O-PRESS FOR LARGE PIPE PRODUCTION

Publications (2)

Publication Number Publication Date
JPS5311378A true JPS5311378A (en) 1978-02-01
JPS5612369B2 JPS5612369B2 (en) 1981-03-20

Family

ID=5982629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6454077A Granted JPS5311378A (en) 1976-07-08 1977-05-31 Apparatus for controlling hydraulic press, particularly o press for manufacturing large diameter pipes

Country Status (5)

Country Link
JP (1) JPS5311378A (en)
DE (1) DE2630966A1 (en)
FR (1) FR2357365A1 (en)
GB (1) GB1586668A (en)
IT (1) IT1085584B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03101400U (en) * 1990-01-24 1991-10-22

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445357A (en) * 1980-11-03 1984-05-01 Kaiser Steel Corporation Pipe press
US4724757A (en) * 1986-08-04 1988-02-16 Wean United, Inc. Press control and arrangement for compressing particleboard
IT1224044B (en) * 1988-12-29 1990-09-26 Prima Ind Spa PRECISION BENDING PRESS FOR LONG SHEET PIECES
CH680773A5 (en) * 1989-09-11 1992-11-13 Beyeler Machines Sa

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB564727A (en) * 1943-09-02 1944-10-10 David Edward Bench Improvements in and relating to hydraulic presses
FR1586274A (en) * 1967-10-10 1970-02-13
DE1703297A1 (en) * 1968-04-29 1972-02-17 Freudenberg Carl Fa Hot plate press with self-compensating cylinder piston arrangements
DE1777088A1 (en) * 1968-09-04 1971-04-01 Schlieper Guenter Hydraulic construction with self-regulating compensation piston
US3677009A (en) * 1970-11-12 1972-07-18 Kelso Marine Inc Control arrangement for the male die of a hydraulic press brake

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03101400U (en) * 1990-01-24 1991-10-22

Also Published As

Publication number Publication date
DE2630966A1 (en) 1978-01-12
FR2357365A1 (en) 1978-02-03
IT1085584B (en) 1985-05-28
GB1586668A (en) 1981-03-25
JPS5612369B2 (en) 1981-03-20

Similar Documents

Publication Publication Date Title
JPS5370286A (en) Automatic expansion controller for four or more jacks
JPS5248185A (en) Numerically controlling apparatus for lathe
JPS5311378A (en) Apparatus for controlling hydraulic press, particularly o press for manufacturing large diameter pipes
JPS5380628A (en) Inching valve of hydraulic pressure control device for clutch
JPS53145252A (en) Controller of oil pressure elevator
JPS51126452A (en) Friction clutch
JPS5594800A (en) Impact release device in hydraulic press
JPS5414078A (en) Control of stepless speed change press
JPS526890A (en) Speed control device for an apparatus driven by oil pressure
JPS51137824A (en) Speed control means for induction motor
JPS5236288A (en) Control rod driving equipment of nuclear reactor
JPS52109230A (en) Device for controlling steering force of power steering apparatus
JPS5222267A (en) Control oil circuit for joint-system crane
JPS535373A (en) Damping oil pressure controller
JPS5356479A (en) Fluid control device
JPS51132377A (en) Suppressing liquid pressure control device
JPS5292767A (en) Position controlling apparatus for thermometer
JPS53107504A (en) Control apparatus for steam turbine speed regulation adjusting device
JPS52121179A (en) Hydraulic operation system with altitude compensation device
JPS5273280A (en) Master cylinder
JPS5211381A (en) Control device of machine and tool operated by oil pressure
JPS5352875A (en) Oil pressure controlling circuit of positive brake
JPS51141985A (en) Fluid pressure servo cylinder and stroke length controller used this c yinder
JPS5381884A (en) Oil pressure control mechanism for negative brake
JPS549373A (en) Hydraulic pressure doubling apparatus