Use and management of backup rolls for hot-rolled strips
The demand for output and quality of hot-rolled strip is getting higher and higher, which makes the use and management of backup rolls more and more stringent. In this case, it is particularly important to study the use and management of backup rolls, prolong the service life of backup rolls as much as possible, and […]
<strong>Analysis of the Causes of Spalling of Hot Continuous Rolling Back-up Rolls</strong>
Abstract: This paper makes an in-depth analysis of the spalled pieces and “shoulder” on the side of the roll side of the 1422 hot continuous rolling back-up roll in a steel plant. The results show that work hardening, uneven wear, contact fatigue, unreasonable design of roll side chamfer and defects in the working layer are […]