What Should We Do When Rolling Mill Stops?

The performance application of the rolling mill constantly meets market demand. Generally, the requirements for lubrication of the rolling mill are: solid oil is lubricated, like the conveyor roller, the tapping machine, the pusher, the vertical roller, the bearing box, base, rolling mill roller, rolling mill work roll, rolling mill press, universal joint coupling and rolling mill bracket, steel turning machine, shearing machine, disc flying shear, etc. are all lubricated with solid oil. Thin-oil is generally subjected to cyclic lubrication.

At present, the new rolling mill equipment is generally composed of rolling mill working frame, universal joint coupling shaft, herringbone gearbox, reducer, rolling mill motor, mill roll, rolling steel guide, rolling mill bearing seat, and rolling mill flywheel set. In the rolling steel production process, in order to reduce the friction between the roll and the rolled piece, reduce the rolling force and power loss, try to make the rolled material easy to lengthen, control the rolling temperature, improve the quality of the rolled product, the process lubrication cooling medium is added between the roll and the contact surface of the rolling stock.

In the industrial production field, the basic requirements for lubricating the cooling medium like the rolling mill process are: proper oil ability; suitable cooling capacity; the oxidation resistance, rust resistance and physical and chemical index stability; good filtration performance; It has good washing and cleaning effect on the surface of the product; it has good annealing performance for cold-rolled strip steel; it does not harm human health; it is easy to purchase lubricating oil, and the cost is very low.

In the production process, when the rolling mill machine is stopped for maintenance or when an unexpected situation is required to stop, the rolling mill should be noted after the machine is shut down:

1. After the rolling mill stops, stop the feeding of steel, and take the gas cutting and cutting out of the online rolling parts to avoid the stress on the rolls and cause damage. If the rolling mill needs long-term shutdown, the best method is to open the lubrication system to keep the main bearing lubricated, and then close it in to avoid dust and debris entering the bearing.
2. Cut off the power supply of the rolling mill and auxiliary equipment. Drain the water in the cooling tube of the rolling mill to avoid freezing the cooling water pipe when it is cold.
3. Protect the lubrication system, motor, air clutch and slow drive from dust, but not tightly sealed to avoid moisture accumulation. A bag of desiccant is placed in all control and electrical panels of the rolling mill to prevent moisture build-up and to safely seal the control panel.