JPS54148165A - Rolling mill reduction controller - Google Patents
Rolling mill reduction controllerInfo
- Publication number
- JPS54148165A JPS54148165A JP5560778A JP5560778A JPS54148165A JP S54148165 A JPS54148165 A JP S54148165A JP 5560778 A JP5560778 A JP 5560778A JP 5560778 A JP5560778 A JP 5560778A JP S54148165 A JPS54148165 A JP S54148165A
- Authority
- JP
- Japan
- Prior art keywords
- valve opening
- calculator
- value
- servo valve
- target
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap control
- B21B37/62—Roll-force control; Roll-gap control by control of a hydraulic adjusting device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
Abstract
PURPOSE: Continuous controlling means including digital roll-state detector, target setting means, calculator is installed in rolling reduction controller, thereby to provide high accuracy positioning free of analog deficiency.
CONSTITUTION: Servo valve opening degree calculator 11 stores digital values of roll position target value from the setter 1 and detected roll position from the detector 3. The calculator 11 uses the difference between the target and detected positions to determine the opening degree of the servo valve 7. The determined value is transmitted as signal to the valve opening controller 12, and corresponding current is fed to the coil of the servo valve 7. Thus, the valve opening is continuously controlled to a value between close and full-opening, and pressured oil flows from cylinder 8 in proportion to the valve opening. Reduction control according to deviation value, totally digitallized control circuit enables highly stabilized operation as compared with conventional systems, resulting in high precise position control in the rolling portion 2.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5560778A JPS54148165A (en) | 1978-05-12 | 1978-05-12 | Rolling mill reduction controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5560778A JPS54148165A (en) | 1978-05-12 | 1978-05-12 | Rolling mill reduction controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS54148165A true JPS54148165A (en) | 1979-11-20 |
Family
ID=13003446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5560778A Pending JPS54148165A (en) | 1978-05-12 | 1978-05-12 | Rolling mill reduction controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54148165A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226472A (en) * | 2021-11-24 | 2022-03-25 | 首钢京唐钢铁联合有限责任公司 | Screwdown system oscillation detection method and device |
-
1978
- 1978-05-12 JP JP5560778A patent/JPS54148165A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226472A (en) * | 2021-11-24 | 2022-03-25 | 首钢京唐钢铁联合有限责任公司 | Screwdown system oscillation detection method and device |
| CN114226472B (en) * | 2021-11-24 | 2024-05-10 | 首钢京唐钢铁联合有限责任公司 | Vibration detection method and device for pressing system |
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