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APPARATUS AND METHOD FOR IMPROVING QUALITY OF STRIP TAIL PART IN HOT FINISH MILLING BY INSTALLING IDLE ROLLS FUNCTIONING AS SUPPORT TAIL PART OF STRIP
APPARATUS AND METHOD FOR IMPROVING QUALITY OF STRIP TAIL PART IN HOT FINISH MILLING BY INSTALLING IDLE ROLLS FUNCTIONING AS SUPPORT TAIL PART OF STRIP
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机译:通过安装作为支撑条尾部的空转功能来提高热精轧中条状尾部的质量的装置和方法
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摘要
PURPOSE: To prevent vibration generated when cutting a tail part of strip by installing idle rolls which do not perform rolling, but support the tail part of the strip at an output side of crop shear. CONSTITUTION: An apparatus comprises a sensor for detecting surface(14) installed at an input side of a crop shear(11) to output a signal by measuring the surface state of strip(10); first microprocessor(15) for inputting an instruction into the first PLC(programmable logic controller) in one second after signal output by recognizing an on-signal of the surface detecting sensor; first PLC(16) for inputting an operating signal into the crop shear according to the instruction of the first microprocessor; second microprocessor(17) for inputting an instruction into the second PLC in a half second after signal output by recognizing the on-signal of the outputted sensor for detecting surface; second PLC(18) for outputting an electrical signal capable of operating a hydraulic control device(19) including a hydraulic cylinder(20) according to an instruction of the second microprocessor; and idle rolls(13) positioned between the crop shear and a finish rolling mill(12) and pushed up by the hydraulic cylinder to support a tail part of the strip during cutting of the strip.
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