JPS4815550B1 - - Google Patents

Info

Publication number
JPS4815550B1
JPS4815550B1 JP44049679A JP4967969A JPS4815550B1 JP S4815550 B1 JPS4815550 B1 JP S4815550B1 JP 44049679 A JP44049679 A JP 44049679A JP 4967969 A JP4967969 A JP 4967969A JP S4815550 B1 JPS4815550 B1 JP S4815550B1
Authority
JP
Japan
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.)
Pending
Application number
JP44049679A
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 filed Critical
Priority to JP44049679A priority Critical patent/JPS4815550B1/ja
Priority to US48193A priority patent/US3680339A/en
Publication of JPS4815550B1 publication Critical patent/JPS4815550B1/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
    • B23D15/12—Shearing machines or shearing devices cutting by blades which move parallel to themselves characterised by drives or gearings therefor
    • B23D15/14—Shearing machines or shearing devices cutting by blades which move parallel to themselves characterised by drives or gearings therefor actuated by fluid or gas pressure
    • 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
    • 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
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • 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
    • 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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22—Synchronisation of the movement of two or more servomotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Press Drives And Press Lines (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Control Of Presses (AREA)
JP44049679A 1969-06-25 1969-06-25 Pending JPS4815550B1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP44049679A JPS4815550B1 (ja) 1969-06-25 1969-06-25
US48193A US3680339A (en) 1969-06-25 1970-06-22 Work start synchronizer in plural press brakes coupling operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44049679A JPS4815550B1 (ja) 1969-06-25 1969-06-25

Publications (1)

Publication Number Publication Date
JPS4815550B1 true JPS4815550B1 (ja) 1973-05-15

Family

ID=12837848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP44049679A Pending JPS4815550B1 (ja) 1969-06-25 1969-06-25

Country Status (2)

Country Link
US (1) US3680339A (ja)
JP (1) JPS4815550B1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6283151U (ja) * 1985-11-11 1987-05-27

Families Citing this family (12)

* 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
JPS5836422Y2 (ja) * 1981-01-29 1983-08-16 株式会社神戸製鋼所 アプセツタ
FR2507941A1 (fr) * 1981-06-19 1982-12-24 Mercier J Perfectionnements aux machines-outils, en particulier aux machines a cintrer
FR2521469B1 (fr) * 1982-02-12 1985-05-31 Promecan Sisson Lehmann Cisaille a lame curviligne a commande hydraulique asservie
NL1004820C2 (nl) * 1996-12-18 1997-12-23 Delem B V Werkwijze voor het besturen van een buigpers en buigpers voorzien van besturingsmiddelen voor het besturen van de buigpers volgens de werkwijze.
US6012314A (en) * 1997-07-30 2000-01-11 Northrop Grumman Corporation Individual motor pin module
US7047738B2 (en) * 2004-02-09 2006-05-23 Jr Automation Technologies, Llc Hydraulic system for synchronized extension of multiple cylinders
US7322190B2 (en) 2004-02-09 2008-01-29 Jr Automation Technologies Llc Hydraulic system for synchronized extension of multiple cylinders
US7134280B2 (en) * 2004-02-09 2006-11-14 J.R. Automation Technologies, Llc Hydraulic system for synchronized extension of multiple cylinders
CN100391705C (zh) * 2006-06-29 2008-06-04 沈阳重型机械集团有限责任公司 单层热压机液压-机械复合同步机构
US7926410B2 (en) * 2007-05-01 2011-04-19 J.R. Automation Technologies, L.L.C. Hydraulic circuit for synchronized horizontal extension of cylinders
US10882208B2 (en) * 2018-11-13 2021-01-05 Shane Fiore Portable lumber adjuster

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764869A (en) * 1954-08-19 1956-10-02 Origins Inc Means for synchronizing the travel of two or more traveling work elements
US3469435A (en) * 1966-08-08 1969-09-30 Niagara Machine & Tool Works Level control for hydraulic press brakes and the like
US3393635A (en) * 1966-08-25 1968-07-23 Pacific Press & Shear Corp Independently operable press brakes having tandem coupling means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6283151U (ja) * 1985-11-11 1987-05-27

Also Published As

Publication number Publication date
US3680339A (en) 1972-08-01

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