Classification of rolls

Stainless steel roll products are mainly composed of roll body, roll neck and shaft head 3 parts. The roll body is the middle part of the roll that is actually involved in rolling metal. It has a smooth cylindrical or grooved surface. The roll neck is installed in the bearing and the rolling force is transmitted to the frame through the bearing seat and the holding down device. The shaft head of the driving end is connected with the gear seat through the connecting shaft, which transmits the torque of the motor to the roll. Rolls can be arranged in the mill frame in the form of two, three, four or multiple rolls.

There are many kinds of roll classification methods, mainly include: (1) according to the product type, there are strip roll, steel roll, wire roll, etc.; (2) According to the position of roll in rolling mill series, it can be divided into blank roll, rough roll, finishing roll, etc.; (3) According to the function of the roll, it can be divided into scale-breaking roll, punching roll, leveling roll, etc.; (4) According to the roll material, there are steel roll, cast iron roll, carbide roll, ceramic roll, etc.; (5) According to the manufacturing method, it can be divided into casting roll, forging roll, surfacing roll, coated roll, etc.; (6) According to the state of the rolled steel, there are hot rolls and cold rolls. Various classifications can be combined accordingly to give a more specific meaning to the roll, such as the centrifugal cast high chromium cast iron work roll for hot strip rolling.