JPS57144616A - Method of and device for cutting thick plate by drum shears - Google Patents
Method of and device for cutting thick plate by drum shearsInfo
- Publication number
- JPS57144616A JPS57144616A JP2873781A JP2873781A JPS57144616A JP S57144616 A JPS57144616 A JP S57144616A JP 2873781 A JP2873781 A JP 2873781A JP 2873781 A JP2873781 A JP 2873781A JP S57144616 A JPS57144616 A JP S57144616A
- Authority
- JP
- Japan
- Prior art keywords
- thick plate
- cut
- shearing
- plate
- frequency heating
- 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
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
- B21B2015/0014—Cutting or shearing the product transversely to the rolling direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
PURPOSE:To improve the intruction of a cut thick plate between rollers of the later stage by heating the cut end of the thick plate simultaneously with the cutting of the same so that the lowering of the temperature of the plate end at the sheared portion, which causes the shearing resistance of the plate to increase, is prevented. CONSTITUTION:High-frequency heating units 11, 11 are provided in those sides of the peripheral surfaces of both shearing drums 1, 1 which correspond to the rear of shearing blades 2, 2 in the direction of rotation. These high-frequency heating units are connected to electrical supplies 14, 14 for the units, respectively, through lead wires 12, 12, slip rings 3, 3 and lead wires 13, 13. The front end of a thick plate A is cut under a low shearing resistance by the shearing blades 2, 2, while the cut end of the thick plate is heated by the high frequency heating units 11, 11, thereby, the introduction of the cut thick plate between rolling rollers in case that the cut thick plate is rolled by, for example, a stop mill in a later stage, is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2873781A JPS57144616A (en) | 1981-02-28 | 1981-02-28 | Method of and device for cutting thick plate by drum shears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2873781A JPS57144616A (en) | 1981-02-28 | 1981-02-28 | Method of and device for cutting thick plate by drum shears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57144616A true JPS57144616A (en) | 1982-09-07 |
Family
ID=12256731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2873781A Pending JPS57144616A (en) | 1981-02-28 | 1981-02-28 | Method of and device for cutting thick plate by drum shears |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57144616A (en) |
-
1981
- 1981-02-28 JP JP2873781A patent/JPS57144616A/en active Pending
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