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Considering the effect caused by the spindle angle and friction force of roll gap on the main drive system of rolling mill, the nonlinear torsional vibration dynamical equation of rolling mill's drive system is established, which contains parametrical stiffness and nonlinear friction damping. The amplitude-frequency characteristic equation and bifurcation response equation are obtained by solving...
For analysing the torsional vibration characteristic of rotary mechanical drive system, a new highly active calculation decomposition algorithm was proposed by using series decoupled method. When the elastic driving shaft and motor shaft had speed oscillation, the decomposition algorithm could develop nonlinear differential equation into a series of algebraic equation and series solution had been...
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