Excessive pressure at the end of the roll body, forced bending and stiffening of the work roll, little release of the end of the support roll, thick side (dog bone) or wrong starting process, including local overload that exceeds the shear strength of the work roll material , The end of the roller b

Centrifugal cast pipe mould is a kind of pipe widely used for pressure water supply and gas transportation. It has excellent characteristics such as high strength, good toughness, corrosion resistance and easy installation. It is an updated product of traditional gray iron pipes and ordinary steel p

The size of the roll bearing is limited by the installation space of the rolling mill (the inner diameter and outer diameter of the bearing depend on the diameter of the roll neck and the roll body). The cross-section of the bearing is small and belongs to thin-walled bearings, and they must also

There are four main forms of mill roll damage: roll body fracture, roll neck fracture, peeling and roll body cracking. Among them, roll peeling is the primary damage form and the main reason for roll damage and even early scrapping. 　　 Mill Roll spalling not only causes difficulty in roll grinding o