JPS55103201A - Rolling method for steel sheet - Google Patents
Rolling method for steel sheetInfo
- Publication number
- JPS55103201A JPS55103201A JP921479A JP921479A JPS55103201A JP S55103201 A JPS55103201 A JP S55103201A JP 921479 A JP921479 A JP 921479A JP 921479 A JP921479 A JP 921479A JP S55103201 A JPS55103201 A JP S55103201A
- Authority
- JP
- Japan
- Prior art keywords
- rolls
- breadth
- sheet
- taper
- length
- 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
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Control Of Metal Rolling (AREA)
- Metal Rolling (AREA)
Abstract
PURPOSE:To reduce the roll bending factor, and to manufacture the steel sheet of breadth of wide range and of small sheet crown, without interchanging the rolls, by forming the taper zone with length of specified % of the drum length and with a specified taper angle, at both ends of backup rolls of the four-stage rolling mill. CONSTITUTION:At both ends of backup rolls 1, 5, the taper zones are formed with the chamfer length (a) being 5-32% of drum length L, and the angle theta being 0.01-1 deg.. This taper zone can be formed into one-stage or more, and also can be asymmetry between upper and lower backup rolls. These tapered rollers are built in as the backup rolls against the work rolls 2, 4, which then can carry out the rolling work for the sheet 3. With the increase of the rolling load, the contact breadth between rolls 1, 5, and 2, 4, becomes longer, hence, the roll bending factor K can be reduced against the sheet of breadth of wide range. Besides, by impressing the bending force on the rolls 1, 5, and/or 2, 4, above stated contact condition is changed correspondingly to the breadth of the rolled sheet, and the value of the factor K is further reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP921479A JPS55103201A (en) | 1979-01-31 | 1979-01-31 | Rolling method for steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP921479A JPS55103201A (en) | 1979-01-31 | 1979-01-31 | Rolling method for steel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55103201A true JPS55103201A (en) | 1980-08-07 |
Family
ID=11714198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP921479A Pending JPS55103201A (en) | 1979-01-31 | 1979-01-31 | Rolling method for steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55103201A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741815A (en) * | 1980-08-26 | 1982-03-09 | Nippon Kokan Kk <Nkk> | Controlling method for sheet shape in tandem rolling mill |
| WO2001078915A1 (en) * | 2000-04-13 | 2001-10-25 | Giovanni Arvedi | Process and apparatus for the manufacture of thin and ultra-thin hot-rolled strips with dimensional and geometrical features |
| US8413476B2 (en) | 2006-06-14 | 2013-04-09 | Siemens Vai Metals Technologies Gmbh | Rolling mill stand for the production of rolled strip or sheet metal |
-
1979
- 1979-01-31 JP JP921479A patent/JPS55103201A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741815A (en) * | 1980-08-26 | 1982-03-09 | Nippon Kokan Kk <Nkk> | Controlling method for sheet shape in tandem rolling mill |
| WO2001078915A1 (en) * | 2000-04-13 | 2001-10-25 | Giovanni Arvedi | Process and apparatus for the manufacture of thin and ultra-thin hot-rolled strips with dimensional and geometrical features |
| US8413476B2 (en) | 2006-06-14 | 2013-04-09 | Siemens Vai Metals Technologies Gmbh | Rolling mill stand for the production of rolled strip or sheet metal |
| US8881569B2 (en) | 2006-06-14 | 2014-11-11 | Siemens Vai Metals Technologies Gmbh | Rolling mill stand for the production of rolled strip or sheet metal |
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