GB1455192A - Control of hydraulic or pneumatic rams - Google Patents

Control of hydraulic or pneumatic rams

Info

Publication number
GB1455192A
GB1455192A GB50474A GB50474A GB1455192A GB 1455192 A GB1455192 A GB 1455192A GB 50474 A GB50474 A GB 50474A GB 50474 A GB50474 A GB 50474A GB 1455192 A GB1455192 A GB 1455192A
Authority
GB
United Kingdom
Prior art keywords
rams
synchronized
amplifier
control
positions
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
Application number
GB50474A
Other languages
English (en)
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.)
PICOT
Original Assignee
PICOT
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 PICOT filed Critical PICOT
Publication of GB1455192A publication Critical patent/GB1455192A/en
Expired 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
    • B30B15/24—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
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Position Or Direction (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
GB50474A 1973-01-11 1974-01-04 Control of hydraulic or pneumatic rams Expired GB1455192A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7301503A FR2214053B1 (enExample) 1973-01-11 1973-01-11

Publications (1)

Publication Number Publication Date
GB1455192A true GB1455192A (en) 1976-11-10

Family

ID=9113400

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50474A Expired GB1455192A (en) 1973-01-11 1974-01-04 Control of hydraulic or pneumatic rams

Country Status (4)

Country Link
DE (1) DE2400299A1 (enExample)
FR (1) FR2214053B1 (enExample)
GB (1) GB1455192A (enExample)
IT (1) IT1000686B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2093399B (en) * 1981-02-24 1985-07-10 Mts System Corp Hydraulic press
EP0103727A1 (de) * 1982-09-02 1984-03-28 Inventio Ag Gleichlaufregelungseinrichtung für den elektrohydraulischen Antrieb einer Abkantpresse
DE3811666A1 (de) * 1988-04-07 1989-10-19 Gutehoffnungshuette Man Transportfahrzeug mit hubvorrichtung mit zwei synchron schwenkbaren tragarmen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1524749A (fr) * 1967-05-29 1968-05-10 British Iron Steel Research Dispositifs de servo-commande

Also Published As

Publication number Publication date
FR2214053A1 (enExample) 1974-08-09
FR2214053B1 (enExample) 1976-11-05
DE2400299A1 (de) 1974-07-18
IT1000686B (it) 1976-04-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee