Quenching apparatus, continuous annealing facility, quenching method, method for manufacturing steel sheet, and method for manufacturing coated steel sheet

Abstract

A quenching apparatus that is configured to cool a metal sheet, the quenching apparatus including: a cooling device that is configured to perform quenching by cooling the metal sheet with a cooling fluid; a plurality of shape correction rolls that includes at least a front shape correction roll and a back shape correction roll that are configured to be respectively provided at a front surface and a back surface of the metal sheet and press, in a thickness direction of the metal sheet, the metal sheet before being quenched; and a pressing processor that is configured to set, based on a shape of the metal sheet before quenching, a pressing quantity of each shape correction roll of the plurality of shape correction rolls.

Dependencies are inferred from the claim text.