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Scale Breaker Work Roll

Scale Breaker Work Roll

Working principle of scale break: Using iron matrix and oxidation of metal cladding material performance difference, adopt the method of mechanical flex, substrate material force to produce certain elastic-plastic deformation, the surface of the oxide sheet is not plastic and the failure strength is low, and poor adhesion to iron matrix, in this way, when the oxide sheet can not adapt to the shape change of the metal and the internal stress caused by greater than its failure strength, it will be broken.  When the work roll strip passes through the bending roller, the upper and bottom surfaces are in different stress states, which eventually make different forms of oxide sheet spalling.

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Details of Scale Breaker Work Roll


BOYA analyzes and researches the situation of roll application, based on the material of D2, M2 and H 13, we developed a new kind of work roll material, after been heart treatment its max surface hardness can be HRC67. It is improved in aspects of wear resistance, thermal shock resistant, anti-fatigue and accident resistance. They are all won a good reputation from customers.


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