Coupled Vibration Characteristics Analysis of Hot Rolling Mill with Structural Gap

Table 1

Rolling conditions.

Parameters	1 stand	2 stand	3 stand	4 stand	5 stand
Hin (mm)	34.89	17.27	8.63	5.41	3.59
Hn (mm)	15.86	8.32	5.29	3.56	2.52
Hout (mm)	17.27	8.63	5.41	3.59	2.53
(m/s)	1.05	2.50	4.05	6.15	8.79
(MPa)	0	9.05	9.97	12.39	14.57
(MPa)	9.05	9.97	12.39	14.57	16.55
t (°C)	985.60	967.74	951.80	931.37	916.92
P (N)	2×71×10^7	2×44×10^7	2×39×10^7	2×24×10^7	1×79×10^7
MS (kN·m)	1914.96	1170.91	650.22	437.64	258.82