The main characteristics of steel rolling

The pressing process of changing the shape of the ingot between the rotating rolls and the shape of the billet is called steel rolling. The purpose of rolling steel is the same as other pressure processing. On the one hand, it is to obtain the required shape, such as steel plate, strip steel, wire rod, and various types of steel; on the other hand, it is to improve the internal quality of steel. Steel, boiler steel, pipeline steel, rebar, rebar, electrical silicon steel, galvanized sheet, tinned sheet, and train wheels are all processed through the rolling process.

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1. Steel rolling

Steel rolling is the production process of rolling steel ingots or continuous casting billets produced by steel plants into steel products. Steel products produced by rolling methods can be roughly divided into profiles, wire rods, strips, steel pipes, and special steel products according to their cross-sectional shapes. Steel category.

2. Method of Steel rolling

According to the different rolling temperatures, it can be divided into hot rolling and cold rolling;
According to the relative motion relationship between the rolling stock and the roll during rolling, it can be divided into vertical rolling and horizontal rolling;
According to the forming characteristics of rolled products, it can be divided into general rolling and special rolling. Spinning rolling and bending forming belong to special rolling.
Rolling, like other processing, is to plastically deform the metal and make it into a unique product. The difference is that the rolling work is carried out between rotating rolls.

3. Rolling mills

Rolling mills are divided into two categories, the main equipment of the rolling mill or the main train of the rolling mill, the auxiliary equipment, and the auxiliary equipment. The equipment used to deform the metal in the rotating rolls is usually referred to as the main equipment. The operation line arranged by the main equipment is called the main machine row of the rolling mill. The host train consists of three parts: the main motor, the rolling mill, and the transmission machinery.

4. The rolling mills are classified by use:

Blooming and blooming mills, section mills (large, medium, small, and wire rod), strip mills, steel tube mills, and other special-purpose mills. The billet mill and section steel mill of the rolling mill are nominally the diameter of the roll, the strip mill is nominally the length of the roll body, and the steel pipe mill is nominally the maximum outer diameter of the steel tube that can be rolled.

 

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