The axial overload is the main factor which causes work roll bearings and back up thrust bearings of four high mill invalid.
四辊轧机工作辊轴承及支承辊止推轴承失效的主要原因是轴向力过大。
2
The point matching method is used to calculate the roll deformation of four-high aluminum foil mill, work roll's heat crown, foil rolling force and roll kiss rolling being considered.