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A system for online non contact estimation of coil length in looper at entry and exit of pickling line in cold rolling mill
A system for online non contact estimation of coil length in looper at entry and exit of pickling line in cold rolling mill
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机译：在线冷轧机酸洗线进，出口弯管机线圈长度在线非接触估算系统
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摘要
The present invention relates to a system for online non contact estimation of coil length in entry and exit horizontal loopers in steel rolling mill with desired accuracy. The system measures distance between looper trolley and fixed pulley involving non-contact long range LASER sensors capable of measuring distance up to 200 meter with pilot light for alignment and focusing, used as primary sensor alongwith diamond grade reflector for high sensitivity. The system estimates length in looper, indicates actual status of looper trolleys and avoids derailment of looper trolley. The system is capable of high accuracy length estimation and does not require regular maintenance. The system measures and displays the trolley distance of looper both at uncoiler and coiler pulpits. The system for online estimation of coil length in looper thus allows the pickling line to run at higher speed for longer duration of time, hence increase in productivity.
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