JPS5668512A - Production of hot rolled steel strip of good flatness - Google Patents
Production of hot rolled steel strip of good flatnessInfo
- Publication number
- JPS5668512A JPS5668512A JP14563479A JP14563479A JPS5668512A JP S5668512 A JPS5668512 A JP S5668512A JP 14563479 A JP14563479 A JP 14563479A JP 14563479 A JP14563479 A JP 14563479A JP S5668512 A JPS5668512 A JP S5668512A
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- rolled steel
- steel strip
- hot rolled
- mills
- 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
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
- B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
- B21B37/34—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by hydraulic expansion of the rolls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
PURPOSE:To obtain a titled hot rolled steel strip which permits considerable omission of skin-pass rolling by providing rolling rolls having one or more crown rolls of variable outside diameters between the finishing mills and a coiler of a hot rolling line and controlling the roll crown of the rolling mills. CONSTITUTION:Rolling mills 8 having one or more variable crown rolls which are so designed as to permit expansion of roll outside diameters are installed between the final finishing stand 3 and coiler 5 of the hot rolling line. The flatness correction of a slab is accomplished by controlling the roll crowns of the rolling mills 8. Thus, hot rolled steel strip of good flatness which permits considerable saving of skin-pass rolling is obtainable simply by controlling the pressure of the variable crown rolls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14563479A JPS5668512A (en) | 1979-11-09 | 1979-11-09 | Production of hot rolled steel strip of good flatness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14563479A JPS5668512A (en) | 1979-11-09 | 1979-11-09 | Production of hot rolled steel strip of good flatness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5668512A true JPS5668512A (en) | 1981-06-09 |
Family
ID=15389538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14563479A Pending JPS5668512A (en) | 1979-11-09 | 1979-11-09 | Production of hot rolled steel strip of good flatness |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5668512A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282648A (en) * | 2017-06-21 | 2017-10-24 | 北京科技大学 | A kind of control method of the wide flatness of hot-strip full width |
-
1979
- 1979-11-09 JP JP14563479A patent/JPS5668512A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282648A (en) * | 2017-06-21 | 2017-10-24 | 北京科技大学 | A kind of control method of the wide flatness of hot-strip full width |
| CN107282648B (en) * | 2017-06-21 | 2019-01-22 | 北京科技大学 | A kind of control method of the wide flatness of hot-strip full width |
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