Method for the controlled pre-rolling of thin slabs leaving a co

Details Method for the controlled pre-rolling of thin slabs leaving a co Method for the controlled pre-rolling of thin slabs leaving a co

1996-11-26

1999-08-24

Batten, Jr., J. Reed

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164476, B22D 1112, B22D 1116

Patent

active

059412992

ABSTRACT:
The controlled pre-rolling of a slab, leaving a continuous casting plant is carried out with pairs of pre-rolling elements (14, 114, 16) assembled in at least one pre-rolling assembly (10), the first of these pre-rolling assemblies (10) being positioned immediately downstream of the foot rolls (12) of a crystalliser (11). At least one data processing and controlling unit (21) governs the positioning and the adjustment of the pre-rolling elements (14, 114, 16), the final pre-rolling zone being pre-defined by a specific pair (No. X) of pre-rolling elements positioned along the path of extraction of the slab (20), the data processing and controlling unit (21) having access to an inner memorised archive where there is a plurality of pre-defined tables or technological cards (27) containing the map of the desired values of reduction in thickness in the pre-rolling step as a function of the working parameters pre-set and/or monitored and/or detected continuously, each significant variation of at least two of these parameters causing a new table or technological card (27) to be selected with a resulting re-definition of the position and/or action of the pre-rolling elements (14, 114, 16).

REFERENCES:
patent: 5018569 (1991-05-01), Burau et al.

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