Research Article
Vibration Characteristics of Rolling Mill System under Constraints of the Nonlinear Spring Force and Friction Force from Hydraulic Cylinder
Table 1
Vibration parameters of rolling mill system.
| | Parameters | Values |
| | Mass of up rolls () | kg | | Stiffness of up rolls () | N/m | | Damping of up rolls () | N·s/m | | Total stroke of hydraulic cylinder () | m | | Piston side area () | m2 | | Piston side area () | m2 | | Pressure () | MN | | Oil elastic modulus () | Pa | | Amplitude of external excitation () | MN | | Nonlinear term coefficient () | | | Maximum dynamic friction factor () | | | Static friction coefficient () | | | Vibration velocity () | m/s |
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