KR101424648B1 - 후판재의 형상 보정을 위한 에지 마스킹 디바이스의 제어방법 - Google Patents
후판재의 형상 보정을 위한 에지 마스킹 디바이스의 제어방법 Download PDFInfo
- Publication number
- KR101424648B1 KR101424648B1 KR1020120150285A KR20120150285A KR101424648B1 KR 101424648 B1 KR101424648 B1 KR 101424648B1 KR 1020120150285 A KR1020120150285 A KR 1020120150285A KR 20120150285 A KR20120150285 A KR 20120150285A KR 101424648 B1 KR101424648 B1 KR 101424648B1
- Authority
- KR
- South Korea
- Prior art keywords
- rear plate
- edge
- masking device
- thickness
- temperature
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000000873 masking effect Effects 0.000 title claims abstract description 40
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 21
- 239000000498 cooling water Substances 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 238000009749 continuous casting Methods 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/04—Thickness, gauge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/20—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Metal Rolling (AREA)
Abstract
본 발명에 의하면, 압연에서 발생한 폭 방향의 두께 편차로 인한 후판재의 중심부와 에지부의 길이 편차를 후공정인 가속냉각공정의 에지 마스킹 디바이스를 통한 폭 방향 유량제어를 통하여 상쇄 또는 최소화하여 후판재의 형상을 편평하게 유도할 수 있으므로, 냉간교정공정과 같은 추가적인 오프라인 공정이 필요치 않게 되어 생산원가가 감소하고, 공장의 후공정 부하 및 납기지연 등이 발생하지 않는 효과가 있다.
Description
도 3은 본 발명이 적용되는 에지 마스킹 디바이스를 도시한 도면이다.
도 4는 본 발명에 따른 후판재의 형상 보정을 위한 에지 마스킹 디바이스의 제어방법의 개념도이다.
30 : 가열로 40 : 조압연공정
50 : 바쿨러공정 60 : 사상압연공정
61 : 열간 프로파일 미터 70 : 예비교정공정
80 : 가속냉각공정 81 : 가속냉각노즐
82 : 냉각수 차단판 83 : 연결부재
84 : 구동부
Claims (3)
- 후판재 제조공정 중 가속냉각공정에 사용되는 에지 마스킹 디바이스(Edge Masking Device, EMD)를 제어하는 방법에 있어서,
(a) 압연 공정을 마친 후판재의 중심부 및 에지부 두께를 측정하는 단계와;
(b) 상기 단계(a)의 도출값을 토대로 후판재의 중심부와 에지부의 온도 편차를 도출하는 단계와;
(c) 상기 단계(b)의 도출값을 토대로 상기 에지 마스킹 디바이스의 이동거리를 도출하여 에지 마스킹 디바이스를 제어함으로써 후판재에 분사되는 냉각수의 유량을 조절하는 단계를 포함하는 후판재의 형상 보정을 위한 에지 마스킹 디바이스의 제어방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120150285A KR101424648B1 (ko) | 2012-12-21 | 2012-12-21 | 후판재의 형상 보정을 위한 에지 마스킹 디바이스의 제어방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120150285A KR101424648B1 (ko) | 2012-12-21 | 2012-12-21 | 후판재의 형상 보정을 위한 에지 마스킹 디바이스의 제어방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20140081008A KR20140081008A (ko) | 2014-07-01 |
KR101424648B1 true KR101424648B1 (ko) | 2014-08-01 |
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KR1020120150285A KR101424648B1 (ko) | 2012-12-21 | 2012-12-21 | 후판재의 형상 보정을 위한 에지 마스킹 디바이스의 제어방법 |
Country Status (1)
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KR (1) | KR101424648B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108367324B (zh) | 2015-12-23 | 2020-03-31 | 株式会社Posco | 矫正系统及矫正方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970004960B1 (ko) * | 1994-12-07 | 1997-04-10 | 포항종합제철 주식회사 | 강판의 폭방향으로의 온도편차를 최소화하기 위한 후강판의 가속냉각방법 |
KR19980033836A (ko) * | 1996-11-02 | 1998-08-05 | 김종진 | 강판의 휨변형을 최소화하는 강판의 열간압연방법 |
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2012
- 2012-12-21 KR KR1020120150285A patent/KR101424648B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970004960B1 (ko) * | 1994-12-07 | 1997-04-10 | 포항종합제철 주식회사 | 강판의 폭방향으로의 온도편차를 최소화하기 위한 후강판의 가속냉각방법 |
KR19980033836A (ko) * | 1996-11-02 | 1998-08-05 | 김종진 | 강판의 휨변형을 최소화하는 강판의 열간압연방법 |
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