Flattening method for hot rolling checkered plate of non-standard-thin specification

The invention relates to a machining technology of a hot rolling checkered steel plate in the ferrous metallurgy industry, in particular to a flattening method for a hot rolling checkered plate of the non-standard-thin specification. According to the method, a flattening machine heavy rolling mode is adopted, and the wave detect of the checkered steel plate is overcome through the technologies of an uncoiler coiling block, an inlet pinch roll, a straightening machine, a tail pressing roll, an outlet pinch roll and a coiler coiling block in sequence. The wave defect of the hot rolling checkered plate of the thin specification is overcome, the quality of the hot rolling checkered plate of the non-standard-thin specification is improved, the plate shape, the bean height and the bean shape problems of the checkered plate of the thin specification are solved, the using requirements of a user are met, and the efficiency creating space is widened.