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Description. Vibration monitoring is one of the most important methods to detect and diagnose faults in gearboxes. Planetary gearbox in vertical axis coal mill experienced high impact load and severe working condition that increase wear and shorten usage life.
The vertical vibration often occurs during the rolling production, which has an influence on the accuracy of rolling mill. In order to effectively suppress the vertical vibration of the rolling equipment, the rolling mill model with vibration absorber device was established.
Vertical mill is worked under a high-pressure. Bolt loosening, bolt off the welding and pill off etc., will cause the mill vibration. When the iron and other metal material enter into the mill, it will not only cause grinding roller and plate hardening layer crack, but also cause the impact of the pressure layer
It is well known that mill vibration has become a bottleneck in thin steel strip manufacturing and a global problem . Rolling mill vibration can cause unacceptable thickness variation and can severely damage mill equipment. Due to its complexity, the
The vibration control of raw material vertical roller mill system News Date: 14:13:26 The vibration of mill body of vertical roller mill is a normal phenomenon exists in ing condition, reasonable vibration is allowed, if the mill has a violent vibration, it will cause damage
Imbalance in vertical machines is usually highest transverse to the flow or in the most flexible direction. Bottom mounted machines usually reveal higher 1X vibration in the horizontal direction. Once imbalance has been determined to be the fault, balance the number of planes necessary to achieve smooth machine operation.
Reliability assessment of the vertical roller mill based on ARIMA and multi-observation HMM Qiang Wang 1,2, Yilin Fang *, Zude Zhou,Jie Zuo1,2, Qili Xiao1,2 and Shujuan Zhou1,2 Abstract: Online running condition monitoring of the vertical roller mill (VRM) is
In order to effectively suppress the torsional vibration and vertical vibration behavior of the rolling mill, they developed a virtual numerical simulator in the Matlab/Simulink environment .
similar types of machinery have a history of some particular fault mode, that fault mode should be used for guidance as to where to mount vibration sensors. For example, if a particular model of pump usually has problems with the bearing at the driven end of the pump, it