Hot rolling mill is one of the common rolling mills

Before use, you need to understand it in more detail. Many people may wonder whether the hot rolling mill needs to preheat the rolls before rolling?

In response to this question, the answer is: yes. And if you don't do this, the roll is likely to have broken rolls. Its progress is generally achieved through thick plates. Moreover, after preheating for a period of time, the roll will stabilize at a certain temperature, specifically around 60 degrees, which is fine.

1. Hot rolling mill control parameter requirements

The requirements for the control parameters of the equipment are mainly in the longitudinal tolerance and the lateral deviation. Specifically, the longitudinal tolerance should be within the range of 0.15-0.2mm, and the lateral deviation should be within 0.15mm.

2 Features of hot rolling mill: uniform temperature, temperature difference 2 ≤ ℃; uniform pressure, smooth cloth surface. Adopt intermediate and high-level crossover for pressure compensation; stable speed, (10-120) m/min; simple operation and easy maintenance.

3. The work roll and backup roll on the hot rolling mill are scratched

4. The hot rolling mill is mainly used for hot-melt bonding of chemical fiber, polyester, polypropylene, and inter-bonding to consolidate the fiber web. Thereby, the non-woven fabric has the effect of enhancing the physical properties.

Generally speaking, when this phenomenon occurs in hot rolling mills, the reason may be that the surface of the roll is not clean, there are debris or adherents, such as oxide scale. It is also possible that the running parts of some devices are normal, or the bearings are not in place during installation and adjustment, which in turn causes relative friction between the rolls. Therefore, we need to investigate and solve these possible causes one by one, and we cannot be careless.