July 2019

steel rolling mill equipment

Heat Treatment Method for Steel Rolling Mill

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The heat treatment of steel rolling mill equipment is a process for changing the microstructure and properties of solid steel materials through certain processes such as heating, heat preservation and cooling. Compared with other rolling mill processing technic, the heat treatment of rolling equipment does not change the microstructure inside the workpiece or change the chemical composition of the workpiece, giving or improving the performance of the workpiece.

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water cooling of bar and wire rod mill

Technical Characteristics of Bar and Wire Rod Mill

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The rebar and wire rod mill water-through cooling technology has transformed the original traditional process of the bar and wire mill, abandoning the traditional method of increasing the steel strength by increasing the alloy content of the steel. Adopting the POMINI technology, its advantages are outstanding, production is stable, the automation system is reliable, and the accident rate is basically zero.

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wire rod rolling mill production line

Temperature-Control of Wire Rod Rolling

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The market demand for the improvement of product quality is increasingly urgent, because the deformation heat of high-speed rolling causes the wire rod to heat up during the production process, the microstructure of wire rod is not controlled, and the performance is not satisfactory. The resulting temperature-controlled rolling technology allows the performance of wire rod products to be controlled according to the wishes of the producer.

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rebar rolling mill production

Bar Rolling Production Process

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Hot billet, cold billet → inspection → rejection of unqualified billet→ heating in furnace → descaling by high pressure water →rejection of unqualified billet → roughing rolling(φ550*6) → No. 1 crank flying shear → medium rolling(φ450*6) → No. 2 rotary flying shear → finishing rolling (φ350*6) → water cooling →No. 3 complex crank flying shear → cooling on cooling bed → 850 T cold shear cut to length → fixed-length flying shear counting →bundling, packing → weighing, welding tag, counting →warehousing and delivery

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