Mention Roll we should be heard of, but in recent years in the factory roll often happen a little damage, so in the industry roll is really so weak?
       In fact, in the roll of all parts of the complex one component is the mill. There will be a preparation procedure before the roll is used. In the preparation procedure, the roll will produce some unnecessary stress, including thermal stress and residual stress, these forces are uneven and constantly changing on the roll body, and after the roll is cooled incorrectly, these stresses will cause varying degrees of damage to the roll itself, so the roll surface

will be damaged, the fuselage might even break.
       Therefore, to a better work roll to use it correctly, try to choose some quality clearance roll, not only for us to save money, roll itself will use a long life. Roll Steel, roll processing, rolling mill