Axial Dynamic Characteristica of the Roll System of 4-H Strip Mill ——Study on the Axial Mechanical Behavior of 4-H Strip Mills (Ⅳ)

A reasonable dynamic model of the axial vibration for 4-H strip mills is established in this paper. And with the predisplacement theory in tribophysics,the definition of axial rigidity is given. The axial nature character is obtained. The analysis of the dynamic load amplification factor provides basis for reasonable discussing the effect of the axial force on roll bearings.