KR830001693A - Gauge and tension control method of tandem rolling mill - Google Patents

Gauge and tension control method of tandem rolling mill Download PDF

Info

Publication number
KR830001693A
KR830001693A KR1019800000867A KR800000867A KR830001693A KR 830001693 A KR830001693 A KR 830001693A KR 1019800000867 A KR1019800000867 A KR 1019800000867A KR 800000867 A KR800000867 A KR 800000867A KR 830001693 A KR830001693 A KR 830001693A
Authority
KR
South Korea
Prior art keywords
rolling
speed
rolling stand
value
tension
Prior art date
Application number
KR1019800000867A
Other languages
Korean (ko)
Other versions
KR850000507B1 (en
Inventor
야스오 모로오까
후지 신야 다니
마사야 다누마
Original Assignee
요시야마 히로기찌
가부시기 가이샤 히다찌 세이사꾸쇼
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 요시야마 히로기찌, 가부시기 가이샤 히다찌 세이사꾸쇼 filed Critical 요시야마 히로기찌
Priority to KR1019800000867A priority Critical patent/KR850000507B1/en
Publication of KR830001693A publication Critical patent/KR830001693A/en
Application granted granted Critical
Publication of KR850000507B1 publication Critical patent/KR850000507B1/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby

Abstract

내용 없음No content

Description

텐덤 압연기의 게이지와 장력 제어방식Gauge and tension control method of tandem rolling mill

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this content is publicly disclosed, the full text is not included.

제1도는 본 발명의 구체적 블럭도, 제2도는 제1도의 속도제어장치의 하아드웨어 배열의 1예를 설명하고 위한 블럭도, 제3도는 제2도의 속도조화 제어장치의 하아드웨어 배열의 1예를 설명하기 위한 블럭도, 제4도는 제2도의 모우터 제어장치의 하아드 웨어배열의 1예를 설명하기 위한 블럭도이다.1 is a block diagram for explaining a specific block diagram of the present invention, and FIG. 2 is a block diagram for explaining an example of the hardware arrangement of the speed control device of FIG. 1, and FIG. 3 is an example of a hardware arrangement of the speed control device of FIG. 2 4 is a block diagram for explaining an example of a hardware arrangement of the motor control apparatus of FIG. 2.

Claims (4)

적어도 2대 이상의 압연기로 구성되는 연속압연기에서, 각 압연스탠드의 출구측 판두께를 계측하는 수단과, 각 압연스탠드간의 장력을 계측하는 수단과, 상기 각 압연스탠드 출구측 판두께 신호를 압연재의 이송속도에 따라 시프트하는 전송수단과, 각 압연스탠드간의 판두께 및 장력의 목표치를 설정하는 수단과, 상기 출구측 판두께 계측치, 전송수단으로 시프트되고 있는 판두께와 장력의 계측치와, 상기 판두께 및 장력의 목표치에 기인하여, 그 후의 소정시간내에 있어서의 상기 판두께 및 장력의 목표치로부터의 차이(편기)에 의한 분산이 최소가 되도록 상기 각 압연 스탠드에 있어서의 로울 개도(開度) 또는 로울 회전속도를 수정 제어하는 제어수단 등을 구비한 것을 특징으로 하는 연속압연기 제어장치.In a continuous rolling mill consisting of at least two rolling mills, means for measuring the thickness of the exit side of each rolling stand, means for measuring the tension between each rolling stand, and the signal of the thickness of the exit side of each rolling stand are Means for setting a target value for the plate thickness and tension between each rolling stand, a means for shifting according to the conveying speed, a measure for the plate thickness at the exit side, a measure for the plate thickness and tension being shifted by the transfer means, and the plate thickness And the roll opening or rolling in each of the rolling stands so that dispersion due to the difference (knitting) from the target value of the plate thickness and the tension within a predetermined time thereafter, due to the target value of the tension, is minimized. Continuous rolling mill control device characterized in that it comprises a control means and the like for correcting and controlling the rotational speed. 청구범위 제1항 기재의 제어장치에서, 상기 각 압연스탠드 출력측 판두께 계측수단은, 적어도 제1의 압연스탠드와 제2의 압연스탠드간에 설치한 두께 메터의 출력 및 각 압연스탠드에서의 로울회전속도 검출계의 출력 및 상기 각 압연 스탠드간 장력계측 수단의 출력 및, 상기 전송수단에 의하여 시프트되고 있는 판두께치에 의하여, 각 압연 스탠드에서의 로울과 압연재와의 선진율을 순차적으로 수정함과 동시에 체적 일정식에 의하여 각 압연스탠드 출구측판 두께를 연산하는 수단과, 그 연산치를 상기 두께메터 및 속도검출계에 포함되는, 미리 측정되어 있는 측정오차분산에 따라 여과(Filtering)하여, 그 여과치를 계측치로 출력하는 수단으로 구성된 것을 특징으로 하는 연속압연기 제어장치.In the control apparatus according to claim 1, the plate thickness measurement means for each rolling stand output, the output of the thickness meter installed between at least the first rolling stand and the second rolling stand, and the roll rotation speed in each rolling stand. According to the output of the detection system, the output of the tension measuring means between each of the rolling stands, and the plate thickness value shifted by the transmission means, the advance rate between the roll and the rolling material in each rolling stand is sequentially corrected. At the same time, means for calculating the thickness of the exit side plate of each rolling stand by a volume constant, and filtering the calculated value according to a previously measured measurement error dispersion included in the thickness meter and the speed detector, and filtering the value Continuous rolling mill control device comprising a means for outputting the measured value. 청구범위 제1항의 제어장치에서, 상기 장력을 측정하는 수단을, 각 압연스탠드에서의 로울 회전구동 모우터의 회전력과 압연력과의 비에 의하여 장력을 연산하고, 그 연산치를 상기 검출기의 측정오차 분산에 의하여 여과하는 수단과, 이 여과치를 계측치로 출력하는 수단으로 구성하는 것을 특징으로 하는 연속압연 제어장치.In the control device according to claim 1, the means for measuring the tension is calculated by calculating the tension by the ratio of the rolling force and the rolling force of the rolling rotary motor in each rolling stand, and the calculated value is the measurement error of the detector. A continuous rolling control device comprising a means for filtering by dispersion and a means for outputting the filtered value as a measured value. 청구범위 제1항의 제어장치에서, 상기 로울회전속도를 수정하는 수단을, 서로 인접되어 있는 스탠드의 속도비를 수정하고, 그 속도비를 속도제어장치에 공급하며, 속도제어장치는 미리 정해진 압연스탠드의 로울회전속도를 기준으로 상기 속도비보다 각 압연스탠드의 속도기준치를 결정하는 수단과, 이 기준치와 실제 속도치와의 차를 적분한 신호와, 해당 압연스탠드에 있어서의 압연하중 검출계의 출력신호에 비례한 신호와의 합신호로서, 모우터의 전류를 제어하는 수단 등으로 구성하여, 각 로울 속도를 제어토록 한 것을 특징으로 하는 연속압연기 제어장치.In the control device of claim 1, the means for correcting the roll rotational speed, corrects the speed ratio of the stands adjacent to each other, supplies the speed ratio to the speed control apparatus, and the speed control apparatus is a predetermined rolling stand. Means for determining the speed reference value of each rolling stand from the speed ratio based on the roll rotational speed of, a signal integrating the difference between the reference value and the actual speed value, and the output of the rolling load detection system in the rolling stand. A continuous rolling mill control device characterized in that it is composed of a means for controlling the current of the motor as a sum signal with a signal proportional to the signal, and controls each roll speed. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: Disclosure is based on the original application.
KR1019800000867A 1980-03-03 1980-03-03 Apparatus for controlling both gage and tension force of roll mill KR850000507B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019800000867A KR850000507B1 (en) 1980-03-03 1980-03-03 Apparatus for controlling both gage and tension force of roll mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019800000867A KR850000507B1 (en) 1980-03-03 1980-03-03 Apparatus for controlling both gage and tension force of roll mill

Publications (2)

Publication Number Publication Date
KR830001693A true KR830001693A (en) 1983-05-18
KR850000507B1 KR850000507B1 (en) 1985-04-12

Family

ID=19215740

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019800000867A KR850000507B1 (en) 1980-03-03 1980-03-03 Apparatus for controlling both gage and tension force of roll mill

Country Status (1)

Country Link
KR (1) KR850000507B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100330434B1 (en) * 1998-09-14 2002-03-27 니시무로 타이죠 Plate feeding speed controlling apparatus for tandem rolling mill
KR100543300B1 (en) * 2001-11-09 2006-01-20 주식회사 포스코 Method and apparatus for controlling the width of the rolled product

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100330434B1 (en) * 1998-09-14 2002-03-27 니시무로 타이죠 Plate feeding speed controlling apparatus for tandem rolling mill
KR100543300B1 (en) * 2001-11-09 2006-01-20 주식회사 포스코 Method and apparatus for controlling the width of the rolled product

Also Published As

Publication number Publication date
KR850000507B1 (en) 1985-04-12

Similar Documents

Publication Publication Date Title
US4030326A (en) Gage control apparatus and method for tandem rolling mills
US6543353B1 (en) Method for monitoring a strip of fabric
KR101203346B1 (en) Real-time determination of web tension and control using position sensors
KR890001365B1 (en) Method for controlling load distribution for a continuous rolling mill
US3714806A (en) Drift corrector for transducers
KR100472293B1 (en) Plate thickness control apparatus for continuous rolling machine
US4126028A (en) Method and apparatus for stressless rolling of metals
CA1089055A (en) Method of controlling inter-stand tension in rolling mills
KR830001693A (en) Gauge and tension control method of tandem rolling mill
KR960006018B1 (en) Method and device for controlling the thickness of webs and flanges in universal rolling mill stands
US4667757A (en) System for determining axle spacing
KR890000118B1 (en) Rolling mill control system
US4236216A (en) Control system of interstand tension of continuous rolling mills
US4033183A (en) Horizontal- and vertical-roll force measuring system
US3688532A (en) Control system for tandem rolling mill based on the constant volume principle
GB1224713A (en) Improvements in or relating to rolling mill control systems
US4491000A (en) Method and apparatus for improved sensing of roll separation force in a rolling mill
GB1341059A (en) Rolling mill control system
US3979943A (en) Belt weighing machines
US3890834A (en) Force or tension measuring means
JPH0158444B2 (en)
JPH0158446B2 (en)
GB1243806A (en) Apparatus for controlling a rolling mill
US3383591A (en) Method and apparatus for indicating wear on rolls by combining signals proportional to rolling force and speed
JPS5841926B2 (en) Rolling length measurement method