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Pre=rolling control of thin slabs from a continuous caster - by modifying working parameters of pre=roll elements in response to stored archive tables and technological cards, and process sensed working parameters
Pre=rolling control of thin slabs from a continuous caster - by modifying working parameters of pre=roll elements in response to stored archive tables and technological cards, and process sensed working parameters
In the casting of the slabs from a continuous casting machine, pre-rolling, which can be rolls, belts or similar, hydraulically and/or transducer operated and monitored, is controlled by a data processing and control unit. The control unit accesses data on archive material of predefined tables and technological cards, indicating desired values of reduction in thickness during pre-rolling as a function of the working parameters either pre-set or continuously monitored, with each significant variation of at least two of these parameters, causing a new card or table to be selected deforming re-positioning or other modification to the pre-roll elements in the final rolling zones.
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