All 3 rolls of 3 Rolls Small Or Medium Thickness Plate Rolling Machine on this machine are driving rolls of which the upper roll is fixed and both lower rolls can rotate around a fixed axis to perform curved vertical moving so as to roll plate without slipping.It can roll plate to cylindrical, arc or conical workpiece as required with one time loading. It can also pre-bend plate and complete pre-bending and rolling of plate with one time loading. It is controlled by computer with aiding of touchscreen shown, so it has advantages of easy operation, high efficiency and compact structure with economical and practical natures. It is applicable to rolling plate with small or medium thickness.