Dynamic Modeling And Stability Study Of F2 Mill Of 1580 Finishing Mill

Rolling mill vibration is a common problem in enterprise production,which not only affects the service life of rolling mill,but also reduces the product quality and causes huge economic losses.It has become a major technical problem in the iron and steel industry to test and analyze the rolling mill vibration,reveal the dynamic operation characteristics of the rolling mill and put forward effective vibration suppression measures.Taking the 1580 finishing mill F2 as the research object,the dynamic modeling and stability research are carried out,and the vibration test and stability analysis are carried out for the main drive system,the stand system and the split speed box of the F2 mill.The drive system,split speed box and stand of F2 rolling mill are tested synthetically.The vibration type is the low frequency vibration of F2 rolling mill stand.Through the analysis of vibration data,the distribution law and manifestation of vibration energy are revealed.The dynamic model of drive system and the vertical dynamic model of stand of F2 rolling mill are established.Based on the established model,the natural frequency and vibration mode of rolling mill are obtained.Combined with dynamic theory,vibration test data analysis and rolling process parameters,the mechanism of vibration form is revealed,and the main factors affecting the stable operation of rolling mill are clarified.The corresponding vibration suppression measures are put forward.The measures include improving the assembly accuracy of the key components of F2 mill,adjusting the lining gasket,reducing the assembly gap,adjusting the rolling force and rolling speed reasonably,etc.after the implementation of vibration control measures,the running stability of F2 mill is significantly improved.Figure 32;Table 12;Reference 62...