KR970033121A - Manufacturing method of hot rolled sheet material whose material is changed in the width direction - Google Patents

Manufacturing method of hot rolled sheet material whose material is changed in the width direction Download PDF

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Publication number
KR970033121A
KR970033121A KR1019950056708A KR19950056708A KR970033121A KR 970033121 A KR970033121 A KR 970033121A KR 1019950056708 A KR1019950056708 A KR 1019950056708A KR 19950056708 A KR19950056708 A KR 19950056708A KR 970033121 A KR970033121 A KR 970033121A
Authority
KR
South Korea
Prior art keywords
width direction
rolled sheet
manufacturing
hot rolled
sheet material
Prior art date
Application number
KR1019950056708A
Other languages
Korean (ko)
Other versions
KR100241015B1 (en
Inventor
이재곤
Original Assignee
김종진
포항종합제철주식회사
신창식
재단법인 산업과학기술연구소
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 김종진, 포항종합제철주식회사, 신창식, 재단법인 산업과학기술연구소 filed Critical 김종진
Priority to KR1019950056708A priority Critical patent/KR100241015B1/en
Publication of KR970033121A publication Critical patent/KR970033121A/en
Application granted granted Critical
Publication of KR100241015B1 publication Critical patent/KR100241015B1/en

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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
    • B21B1/22—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 plates, strips, bands or sheets of indefinite length
    • 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
    • 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
    • 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
    • B21B1/22—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 plates, strips, bands or sheets of indefinite length
    • B21B2001/225—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 plates, strips, bands or sheets of indefinite length by hot-rolling
    • 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
    • B21B2015/0057—Coiling the rolled product

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

본 발명은 프레스 가공소재 등에 사용되는 열간압연 판재의 제조방법에 관한 것이며, 그 목적은 폭방향으로 재질이 다른 열간압연 판재를 제공함에 있다.The present invention relates to a method for producing a hot rolled sheet material used in press working materials and the like, and an object thereof is to provide a hot rolled sheet material having different materials in the width direction.

본 발명은 냉각수노즐을 구비한 수냉각장치를 포함한 열간압연기에서 강을 열간압연하여 열연판을 제조하는 방법에 있어, 상기 냉각수 노즐의 중간에 개폐밸브를 설치하고, 상기 개폐밸브에 의해 열연판의 폭방향으로 임의의 양만큼 냉각수량을 조절하는 폭방향으로 재질이 변화되는 열간압연 판재의 제조방법에 관한 것을 그 기술적 요지로 한다.The present invention relates to a method of manufacturing a hot rolled sheet by hot rolling steel in a hot rolling mill including a water cooling device having a coolant nozzle, wherein an on / off valve is provided in the middle of the coolant nozzle, The technical gist of the present invention relates to a method of manufacturing a hot rolled sheet material in which a material is changed in a width direction in which the amount of cooling water is adjusted by an arbitrary amount in the width direction.

Description

폭방향으로 재질이 변화되는 열간압연 판재의 제조방법Manufacturing method of hot rolled sheet material whose material is changed in the width direction

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제4도(a)는 본 발명에 의한 수냉각 패턴을 나타내는 모식도, (b)는 (a)에서 수냉각된 열연판의 폭방향에 따른 권취온도 변화를 나타내는 그래프, 제5도 (a)는 본 발명에 의해 제조된 열간압연 코일의 일례도, (b)는 (a)를 사용하여 프레스 가공한 제품의 일례도, 제6도는 본 발명에 적합한 수냉각 장치의 개략도로서, (가)는 정면도, (나)는 측면도.Figure 4 (a) is a schematic diagram showing the water cooling pattern according to the present invention, (b) is a graph showing the change in the coiling temperature according to the width direction of the hot-rolled sheet cooled in (a), Figure 5 (a) is An example of the hot rolled coil produced by the present invention, (b) is an example of a product press-processed using (a), Figure 6 is a schematic diagram of a water cooling device suitable for the present invention, (a) is the front (B) is a side view.

Claims (1)

냉각수 노즐(12)이 구비된 수냉각장치 및 권취온도 측정을 위한 권취온도계(20)가 구비된 권취기를 포함한 열간 압연기에서 강을 열간압연하여 판재를 제조하는 방법에 있어서, 상기 수냉각 장치의 냉각수 노즐(12)의 중간에 개폐밸브(14)를 설치하는 단계; 상기 판재의 폭방향으로의 재질을 사전 설정하는 단계; 설정된 재질에 대응하는 판재의 폭방향으로의 영역을 다수개로 구분하는 단계; 각 구분된 영역에 대응하는 판재의 목표 권취온도를 정하는 단계; 및 상기 권취온도계(20)로 부터 측정된 각 영역의 권취온도가 목표 권취온도에 일치하도록 상기 각 개폐밸브(14)를 통하여 폭 방향으로 정해진 양만큼 냉각수량을 조절하는 단계를 포함함을 특징으로 하는 폭방향으로 재질이 변화되는 열간압연 판재의 제조방법.In a method of manufacturing a sheet by hot rolling steel in a hot rolling mill including a water cooling device having a cooling water nozzle 12 and a winding machine equipped with a winding thermometer 20 for measuring the winding temperature, the cooling water of the water cooling device. Installing an on-off valve (14) in the middle of the nozzle (12); Presetting a material in the width direction of the plate; Dividing the area in the width direction of the plate material corresponding to the set material into a plurality; Determining a target winding temperature of the plate corresponding to each divided region; And adjusting the amount of cooling water by the predetermined amount in the width direction through the opening / closing valves 14 so that the winding temperature of each region measured by the winding thermometer 20 matches the target winding temperature. The method of manufacturing a hot rolled sheet material is changed in the width direction. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950056708A 1995-12-26 1995-12-26 Method for manufacturing hot working plate with different metallic property along the width of the plate KR100241015B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950056708A KR100241015B1 (en) 1995-12-26 1995-12-26 Method for manufacturing hot working plate with different metallic property along the width of the plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950056708A KR100241015B1 (en) 1995-12-26 1995-12-26 Method for manufacturing hot working plate with different metallic property along the width of the plate

Publications (2)

Publication Number Publication Date
KR970033121A true KR970033121A (en) 1997-07-22
KR100241015B1 KR100241015B1 (en) 2000-03-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950056708A KR100241015B1 (en) 1995-12-26 1995-12-26 Method for manufacturing hot working plate with different metallic property along the width of the plate

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100402133B1 (en) * 1999-12-23 2003-10-17 주식회사 포스코 Apparatus for controlling width-directional temperature of hot plate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101304601B1 (en) 2010-12-10 2013-09-05 주식회사 포스코 Method of controlling edge masker of cooling zone

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6250810U (en) * 1985-09-17 1987-03-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100402133B1 (en) * 1999-12-23 2003-10-17 주식회사 포스코 Apparatus for controlling width-directional temperature of hot plate

Also Published As

Publication number Publication date
KR100241015B1 (en) 2000-03-02

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