| 摘要 |
When skin sticking is detected in an ingot mould, the casting speed undergoes a cycle consisting of a deceleration ramp from the normal production speed to a reduced speed, a skinning over plateau and an acceleration ramp from the reduced speed back up to the normal production speed, whereafter the ferritic potential (PF) of the cast steel is determined, the slopes (D, A) of one of the two ramps are determined according to said ferritic potential, and the length (tr) of the skinning over plateau is determined according to the difference between the liquidus and solidus temperatures of the cast steel.
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