JPS5770012A - Initial setting method of cold tandem rolling mill - Google Patents
Initial setting method of cold tandem rolling millInfo
- Publication number
- JPS5770012A JPS5770012A JP55146064A JP14606480A JPS5770012A JP S5770012 A JPS5770012 A JP S5770012A JP 55146064 A JP55146064 A JP 55146064A JP 14606480 A JP14606480 A JP 14606480A JP S5770012 A JPS5770012 A JP S5770012A
- Authority
- JP
- Japan
- Prior art keywords
- strains
- reduction ratio
- calculated
- stands
- logarithmic
- 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.)
- Granted
Links
Landscapes
- Control Of Metal Rolling (AREA)
Abstract
PURPOSE: To accurately give the combination of reduction ratios by reducing ununiformity of rolling caused by irregularity of materials, by dividing plural stands into ≥2 groups, and by calculating the standard reduction ratio by combining logarithmic stains corresponding to the respective groups with the aid of statistical data from the whole logarithmic strains.
CONSTITUTION: The whole logarithmic strains of materials to be rolled are calculated by the preset thicknesses of a thick sheet and a finished sheet, and plural stands are divided into ≥2 groups such as upper stream side and down stream side, and then the logarithmetic strains of the rolling materials corresponding to each group are calculated respectively from said whole logarithmetic strains based on statistical data under the stable actual operation. Further, the logarithmic strain of the material for the stand in each group is calculated from that of the group based on said statistical data to calculate the standard reduction ratio of the stand. Next, standard value of tension between the stands is calculated from the standard reduction ratio of the stands, the thickness of an original sheet and a finished sheet, and carbon equivalent to modify the standard reduction ratio and standard value of tension according to the actual operating results of working rolls for each stand, and then, from this modified values, the screw down position and roll rotating speed are set by the model of well-known numerical equation.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55146064A JPS5770012A (en) | 1980-10-17 | 1980-10-17 | Initial setting method of cold tandem rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55146064A JPS5770012A (en) | 1980-10-17 | 1980-10-17 | Initial setting method of cold tandem rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5770012A true JPS5770012A (en) | 1982-04-30 |
| JPS6321567B2 JPS6321567B2 (en) | 1988-05-07 |
Family
ID=15399258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55146064A Granted JPS5770012A (en) | 1980-10-17 | 1980-10-17 | Initial setting method of cold tandem rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5770012A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213460A (en) * | 1975-07-24 | 1977-02-01 | Nippon Steel Corp | Method of manufacturing titaniummclad steel by hot rolling |
| JPS5440063A (en) * | 1977-09-05 | 1979-03-28 | Mitsubishi Electric Corp | Phased array antenna system |
-
1980
- 1980-10-17 JP JP55146064A patent/JPS5770012A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213460A (en) * | 1975-07-24 | 1977-02-01 | Nippon Steel Corp | Method of manufacturing titaniummclad steel by hot rolling |
| JPS5440063A (en) * | 1977-09-05 | 1979-03-28 | Mitsubishi Electric Corp | Phased array antenna system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6321567B2 (en) | 1988-05-07 |
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