There are many types of steel rolling mill machine that used to reduce the thickness of metal material or compress the material to create a uniform product such as the plate, wire rod, rebar, hot rolled coil, cold rolled coil and etc.
In addition, the steel rolling mills are divided into several types as follows:
Two-high rolling mills, which have a unique advantage in cost-saving cause the less expensive for manufacturing. And they are used for skin passing with small reductions of 1% to 2%.
Four -high rolling mills, which has a quick change roll system, can be equipped with roll bend and shape control and can be put in tandem, two to seven stands, instead of reversing mill.
Six-high rolling mills, which are similar to four-high rolling mills, also allows for substantial roll shape, depending upon the horizontal movement of the rolls. Furthermore, this kind of rolling mills is equipped with hydraulic screw downs, automatic shape control, and automatic gauge control.
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