GB1455192A - Control of hydraulic or pneumatic rams - Google Patents
Control of hydraulic or pneumatic ramsInfo
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7301503A FR2214053B1 (de) | 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 (de) |
FR (1) | FR2214053B1 (de) |
GB (1) | GB1455192A (de) |
IT (1) | IT1000686B (de) |
Families Citing this family (3)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1524749A (fr) * | 1967-05-29 | 1968-05-10 | British Iron Steel Research | Dispositifs de servo-commande |
-
1973
- 1973-01-11 FR FR7301503A patent/FR2214053B1/fr not_active Expired
- 1973-12-31 IT IT7092573A patent/IT1000686B/it active
-
1974
- 1974-01-04 DE DE19742400299 patent/DE2400299A1/de not_active Ceased
- 1974-01-04 GB GB50474A patent/GB1455192A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2214053B1 (de) | 1976-11-05 |
IT1000686B (it) | 1976-04-10 |
DE2400299A1 (de) | 1974-07-18 |
FR2214053A1 (de) | 1974-08-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |