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The roller arrangement is designed as per optimized continuous
straightening theory and can effectively reduce the deformation
rate of billet surface and the two-phase region. Cracks during
straightening with liquid core could be avoided. The straightener
adopts fully water-cooled type of structure (it leads the
domestic level in terms of service life and equipment
reliability).
The straightener gives a certain amount of pressure on the
solidification end of the billets for reasonable distribution of
enriched molten steel of the intermediate dense zone to reduce
the severity of segregation and diminish central porosity and
shrinkage. Most modern caster with high technical standard adopts
this advanced method to improve billet inner quality and prevent
cracks as well as reduce central shrinkage, meanwhile limit the
development of segregation and porosity.
