JPS563121A - Hot shearing method for steel piece - Google Patents
Hot shearing method for steel pieceInfo
- Publication number
- JPS563121A JPS563121A JP7471579A JP7471579A JPS563121A JP S563121 A JPS563121 A JP S563121A JP 7471579 A JP7471579 A JP 7471579A JP 7471579 A JP7471579 A JP 7471579A JP S563121 A JPS563121 A JP S563121A
- Authority
- JP
- Japan
- Prior art keywords
- defect
- piece
- steel piece
- shearing
- cut
- 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
Landscapes
- Shearing Machines (AREA)
Abstract
PURPOSE: To obtain a method of determining the proper quantity of piece to be cut down and shearing it off based on the sort and size of defects in addition to the shape of a steel ingot and the rolling method applied in blooming.
CONSTITUTION: In the event of hot shearing of a bloom steel piece, the shear plane of the steel piece thus shorn is normally welded and cut by 5W20mm. Then, even when the part of defect is compressed and transformed in the shear plane by the ductile working in shearing, the compressed and transformed part is removed and the part of defect 3 appears clearly on the welded and cut surface 2 of the central part, for instance, in the shear plane 1a of the steel piece 1. Next, after the welding and cutting being performed, the sort and size of the part of defect in the zone or part welded and cut are detected with the eye, and based on the information of defect thus obtained, the quantity of piece to be cut down, i.e. the shearing position is determined in consideration of the sort of a steel ingot and the rolling method applied in blooming in the main. Thus the steel piece is shorn at this position and the part of defect is cut down.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7471579A JPS563121A (en) | 1979-06-15 | 1979-06-15 | Hot shearing method for steel piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7471579A JPS563121A (en) | 1979-06-15 | 1979-06-15 | Hot shearing method for steel piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS563121A true JPS563121A (en) | 1981-01-13 |
Family
ID=13555187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7471579A Pending JPS563121A (en) | 1979-06-15 | 1979-06-15 | Hot shearing method for steel piece |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS563121A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941727A (en) * | 2018-06-29 | 2018-12-07 | 芜湖精塑实业有限公司 | A kind of aluminium bar hot shears method |
| CN113926858A (en) * | 2020-06-29 | 2022-01-14 | 宝山钢铁股份有限公司 | Pretreatment, stock layout and production optimization method for suit cutting and shearing of defective plates |
-
1979
- 1979-06-15 JP JP7471579A patent/JPS563121A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941727A (en) * | 2018-06-29 | 2018-12-07 | 芜湖精塑实业有限公司 | A kind of aluminium bar hot shears method |
| CN113926858A (en) * | 2020-06-29 | 2022-01-14 | 宝山钢铁股份有限公司 | Pretreatment, stock layout and production optimization method for suit cutting and shearing of defective plates |
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