JPS5680302A - Splitting method for breadth of slab into multiple fractions - Google Patents
Splitting method for breadth of slab into multiple fractionsInfo
- Publication number
- JPS5680302A JPS5680302A JP15799879A JP15799879A JPS5680302A JP S5680302 A JPS5680302 A JP S5680302A JP 15799879 A JP15799879 A JP 15799879A JP 15799879 A JP15799879 A JP 15799879A JP S5680302 A JPS5680302 A JP S5680302A
- Authority
- JP
- Japan
- Prior art keywords
- slab
- fractions
- ring
- protuberances
- breadth
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B1/0815—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel from flat-rolled products, e.g. by longitudinal shearing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Continuous Casting (AREA)
- Shearing Machines (AREA)
Abstract
PURPOSE:To enable a few passes to split the breadth of slab into more than four fractions, by giving two or more different heights to the (n-1) couples of ring protuberances provided in the roll for splitting the slab into n-fractions, and by shifting the slab in the lateral direction in order to cause the highest ring protuberance to cut the cutting groove formed by another ring protuberance of lower height. CONSTITUTION:For instance, in case of splitting the breadth of slab into four fractions, the height of a central couple of ring protuberances 83, 84, is made shorter than that of two couples of ring protuberances 81, 82, 85, 86, on both sides. Then, at first, the middle of fractions (a), (b), of the slab and that of (c), (d), are cut off by the highest ring protuberances 81, 82, and 85, 86, and at the same time, the cutting groove is formed in the middle of fractions (b), (c), of the slab by another ring protuberances 83, 84. Next, the unsplit fractions (b), (c), are together shifted laterally toward the ring protuberances 81, 82, and said cutting groove is cut off by the ring protuberances 81, 82, for finishing the splitting work into four fractions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15799879A JPS6018241B2 (en) | 1979-12-07 | 1979-12-07 | Multi-width division method of slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15799879A JPS6018241B2 (en) | 1979-12-07 | 1979-12-07 | Multi-width division method of slab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5680302A true JPS5680302A (en) | 1981-07-01 |
| JPS6018241B2 JPS6018241B2 (en) | 1985-05-09 |
Family
ID=15662002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15799879A Expired JPS6018241B2 (en) | 1979-12-07 | 1979-12-07 | Multi-width division method of slab |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6018241B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TR26809A (en) * | 1992-02-14 | 1994-08-08 | Nippon Kokan Kk | A method and device for the production of metal bars |
| EP0612274A1 (en) * | 1991-11-04 | 1994-08-31 | Structural Metals, Inc. | Method and apparatus for simultaneously forming four metal rounds |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2590598B2 (en) * | 1990-08-20 | 1997-03-12 | 日本鋼管株式会社 | Method and apparatus for simultaneously producing at least four metal rods from one billet |
-
1979
- 1979-12-07 JP JP15799879A patent/JPS6018241B2/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0612274A1 (en) * | 1991-11-04 | 1994-08-31 | Structural Metals, Inc. | Method and apparatus for simultaneously forming four metal rounds |
| EP0612274A4 (en) * | 1991-11-04 | 1995-01-25 | Structural Metals Inc | Method and apparatus for simultaneously forming four metal rounds. |
| TR26809A (en) * | 1992-02-14 | 1994-08-08 | Nippon Kokan Kk | A method and device for the production of metal bars |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6018241B2 (en) | 1985-05-09 |
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