System To Measure The Length Of Slab For Cutting Into Different Lengths

Abstract: A system for measuring the length of slabs for cutting into desired different base lengths. Basically the system involves low cost silicon photo sensor based slab length measuring system which would be adapted to directly and effectively measure the slab length at continuous casting unit thereby minimizing the generation of plate scrap in plate mills of steel plants. Importantly, the sensor system is housed within a wooden box having a silicon phototransistor operatively connected to optical amplification means and a cooperative wooden focusing tube which surprisingly favours pin pointing hot and cold slabs without any adverse effects of the wooden housing at the high operative temperatures of about 1100°C. The invention would make the measurement and cutting of slab in steel plants more reliable, user friendly and also cost effective.

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