KR960018522A - Online strip flatness measuring device and method - Google Patents

Online strip flatness measuring device and method Download PDF

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Publication number
KR960018522A
KR960018522A KR1019940028626A KR19940028626A KR960018522A KR 960018522 A KR960018522 A KR 960018522A KR 1019940028626 A KR1019940028626 A KR 1019940028626A KR 19940028626 A KR19940028626 A KR 19940028626A KR 960018522 A KR960018522 A KR 960018522A
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KR
South Korea
Prior art keywords
strip
width
displacement
measuring
table roller
Prior art date
Application number
KR1019940028626A
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Korean (ko)
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KR0129048B1 (en
Inventor
민경준
현병호
Original Assignee
김만제
포항종합제철 주식회사
이인원
인화정공 주식회사
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Application filed by 김만제, 포항종합제철 주식회사, 이인원, 인화정공 주식회사 filed Critical 김만제
Priority to KR1019940028626A priority Critical patent/KR0129048B1/en
Publication of KR960018522A publication Critical patent/KR960018522A/en
Application granted granted Critical
Publication of KR0129048B1 publication Critical patent/KR0129048B1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
    • G01B7/345—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces for measuring evenness

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

본 발명은 금속스트립(Strip)으 평탄도(flafness)측정장치 및 그 방법에 관한 것으로, 스트립(S)의 상,하변위를 측정하기 위한 측정부(20); 스트립(S)의 주행거리를 측정하기 위한 주행 거리 측정부(40); 스트립(S)의 폭을 측정하기 위한 폭측정부(50); 및 상기 측정부(20) (40) (50) 로부터의 정보를 전송받아 연산하여 스트립(S)의 길이 방향에 대한 스트립(S)의 상,하 변위량 즉, 평탄도를 측정할 수 있도록 된 제어부(60)로 구성되어, 고속주행하는 스트립의 평탄도를 정확하게 측정하여 그에 따른 적절한 조치를 신속하게 행할 수 있다.The present invention relates to a device for measuring the flatness (flafness) of the metal strip (Strip), the measuring unit 20 for measuring the upper and lower displacement of the strip (S); A driving distance measuring unit 40 for measuring a driving distance of the strip S; Width measuring unit 50 for measuring the width of the strip (S); And a control unit capable of measuring the amount of displacement of the strip S in the longitudinal direction of the strip S, that is, flatness by receiving and calculating information from the measurement units 20, 40, and 50. 60, it is possible to accurately measure the flatness of the strip running at high speed and to quickly perform appropriate measures accordingly.

Description

온라인 스트립 평탄도 측정장치 및 그 방법Online strip flatness measuring device and method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 온라인 스트립 평탄도 측정장치의 사용상태를 도시한 사시도.1 is a perspective view showing a state of use of the online strip flatness measuring apparatus of the present invention.

제2도는 본 발명의 요부를 상세하게 도시한 일부 절개 사시도.2 is a partial cutaway perspective view showing the main part of the present invention in detail.

제3도는 본 발명에 따라 스트립의 평탄도를 측정하는 방법을 도시한 개략 구성도.3 is a schematic diagram illustrating a method of measuring flatness of a strip in accordance with the present invention.

Claims (3)

스트립(S)의 상부 및 하부면의 일정높이에서 폭방향으로 이동가능토록 된 레이저 변위센서 (21A)(21B)와, 상기 레이저 변위센서(21A)(21B)를 일측에 고정하고 중앙부는 모터(22)의 나사축(23)에 나사결합되며 고정프레임(25)에 양단이 고정된 안내축(24)에서 미끄럼 가능토록 된 너트부재(26)로 이루어진 변위 측정부(20);스트립(S)과 접촉하여 회전토록 된 테이블 롤러(42)와, 상기 테이블롤러(42) 일측에 장착되어 그 테이블롤러(42)의 회전량을 스트립(S)의 주행거리로 변환시키도록 된 펄스 제너레이터(41)로 이루어진 주행거리 측정부(40); 상기 스트립(S)의 하부에 설치된 광원(51)과, 상기 광원(51)으로부터의 빛을 받아 스트립(S)의 폭을 축정토록 된 CDD 카메라(52)로 이루어진 폭측정부(50); 및 상기 측정부(20)(40)(50)와 전기적으로 연결되어 변위 측정부(20)의 모터(22)를 회전시키고, 주행거리 측정부(40)의 펄스 제너레이터(41)로부터의 스트립(S) 주행거리 및 폭측정부(50)의 CDD 카메라(52)로부터 스트립(S) 폭 정보를 제공받도록 된 제어부(60)를 포함함을 특징으로 하는 온라인 스트립 평탄도 측정장치.The laser displacement sensors 21A and 21B and the laser displacement sensors 21A and 21B, which are movable in the width direction at a predetermined height of the upper and lower surfaces of the strip S, are fixed to one side, and the center portion of the motor S A displacement measuring unit (20) consisting of a nut member (26) screwed to a screw shaft (23) of the 22) and slidable from a guide shaft (24) fixed at both ends to a fixed frame (25); And a table roller 42 which is rotated in contact with the table roller, and a pulse generator 41 mounted on one side of the table roller 42 to convert the rotation amount of the table roller 42 into the traveling distance of the strip S. Mileage measurement unit 40 made of; A width measuring unit (50) consisting of a light source (51) installed below the strip (S) and a CDD camera (52) adapted to receive the light from the light source (51) to determine the width of the strip (S); And a strip from the pulse generator 41 of the mileage measurement unit 40, which is electrically connected to the measurement units 20, 40, 50 to rotate the motor 22 of the displacement measurement unit 20. S) Online strip flatness measuring apparatus comprising a control unit 60 to receive the strip (S) width information from the CDD camera 52 of the mileage and width measuring unit (50). 제1항에 있어서, 상기 변위 측정부(20)는 중공의 보호케이스(30)내에 감싸져 수용되고, 상기 보호케이스(30)의 레이저 변위센서(21A)(21B) 근접면은 투명유리(34)로 형성되며, 내부 온도조절을 위한 냉각핀(33)을 갖춤을 특징으로 하는 온라인 스트립 평탄도 측정장치.According to claim 1, wherein the displacement measuring unit 20 is enclosed in a hollow protective case 30 is accommodated, the surface of the laser displacement sensor 21A (21B) of the protective case 30 is transparent glass 34 It is formed by a), characterized in that the on-line strip flatness measuring apparatus characterized by having a cooling fin (33) for controlling the internal temperature. 스트립(S)의 상부면 및 하부면의 일정높이에서 폭방향으로 이동가능토록 된 레이져 변위센서(21A)(21B)를 적정위치에 이동시켜 주행하는 스트립(S)의 상, 하변위(H)를 측정하여 제어부(60)에 전송하고, 상기 제어부(60)는 스트립(S)에 접촉하여 회전되는 테이블 롤러(42)의 일측에 장착된 펄스제너리이터(41)와 스트립(S)의 하부에 설치된 광원(51)으로부터의 빛을 받는 CDD 카메라(52)로부터 스트립(S)의 주행거리와 폭정보를 전송받아 상기 레이저 변위센서(21A)(21B)로부터의 스트립(S) 변위(H)와 연산하여 스트립 길이 방향에 대한 스트립의 상, 하 변위량을 측정함을 특징으로 하는 온라인 스트립 평탄도 측정방법.Upper and lower displacements (H) of the strip (S) running by moving the laser displacement sensor (21A) (21B) to move in the width direction at a predetermined height of the upper surface and the lower surface of the strip (S) to a proper position. Is measured and transmitted to the control unit 60, the control unit 60 is in contact with the strip (S) and the pulse generator (41) mounted on one side of the table roller 42 is rotated in the lower portion of the strip (S) The strip S displacement from the laser displacement sensors 21A and 21B is received by receiving the travel distance and width information of the strip S from the CDD camera 52 receiving the light from the light source 51 installed in the And calculating the amount of displacement of the strip in the strip length direction by calculating with. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940028626A 1994-11-02 1994-11-02 Measuring apparatus and method for on-line strip flatness KR0129048B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940028626A KR0129048B1 (en) 1994-11-02 1994-11-02 Measuring apparatus and method for on-line strip flatness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940028626A KR0129048B1 (en) 1994-11-02 1994-11-02 Measuring apparatus and method for on-line strip flatness

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Publication Number Publication Date
KR960018522A true KR960018522A (en) 1996-06-17
KR0129048B1 KR0129048B1 (en) 1998-04-07

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010048999A (en) * 1999-11-30 2001-06-15 이구택 An apparatus for detecting the surface default of the strip
KR20020041076A (en) * 2000-11-27 2002-06-01 이구택 Apparatus for cleaning defected marks on strip
KR100564327B1 (en) * 2001-12-24 2006-03-27 주식회사 포스코 Equipment method for measuring flatness of cold strip
KR20190089296A (en) * 2018-01-22 2019-07-31 현대제철 주식회사 Apparatus for controlling surface defect detection and method thereof

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100426864B1 (en) * 1999-12-13 2004-04-13 주식회사 포스코 Measuring system and its method for a subject with self calibraion function
KR100495125B1 (en) * 2000-12-22 2005-06-14 주식회사 포스코 Apparatus and method for measuring flatness of cold strip
KR100564323B1 (en) * 2001-02-21 2006-03-29 주식회사 포스코 Wave measuring apparatus of strip with laser distance sensor
KR100768307B1 (en) * 2001-10-31 2007-10-17 주식회사 포스코 Stamp apparatus for hole marking of strip
KR100892402B1 (en) * 2002-08-30 2009-04-10 주식회사 포스코 Housing for Line Scan Camera and Error Compensation Method in strip width measurement using the same
KR100905112B1 (en) * 2002-11-04 2009-06-30 주식회사 포스코 Apparatus for controling the steel strip to detect strip-shape
KR100979034B1 (en) * 2003-09-01 2010-08-30 주식회사 포스코 An apparatus for detecting the width and defect of steel plate by using linear laser
KR100922053B1 (en) * 2007-12-18 2009-10-19 주식회사 포스코 Method and Apparatus for evaluating system measuring shape of strip

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010048999A (en) * 1999-11-30 2001-06-15 이구택 An apparatus for detecting the surface default of the strip
KR20020041076A (en) * 2000-11-27 2002-06-01 이구택 Apparatus for cleaning defected marks on strip
KR100564327B1 (en) * 2001-12-24 2006-03-27 주식회사 포스코 Equipment method for measuring flatness of cold strip
KR20190089296A (en) * 2018-01-22 2019-07-31 현대제철 주식회사 Apparatus for controlling surface defect detection and method thereof

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Publication number Publication date
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