This technology was successfully applied to a 1550 mm tandem cold rolling mill at Baosteel [75,76,77,78]. This development indicates that the edge drop control technology of the 6high UCMW cold rolling mill has matured. However, most of the cold rolling mills are 6high UCM rolling mills or 4high CVC rolling mills.
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WhatsApp: +86 188380728295. According to the position of the rolls in the rolling mill series, there are billet rolls, rough rolls, finishing rolls, etc.; 6. Rolls can be divided into work rolls, intermediate rolls and ...
WhatsApp: +86 18838072829This study establishes a verticalhorizontal coupling vibration model of hot rolling mill rolls under multipiecewise nonlinear constraints considering the piecewise nonlinear spring force and piecewise nonlinear friction force constraints of the hydraulic cylinder in the vertical direction of the rolls, the piecewise stiffness constraints in the horizontal direction, and the influence of ...
WhatsApp: +86 188380728291. Cracks. Roll cracks are mainly caused by excessive local pressure of the roll and rapid heat and cold of the roll. On the rolling mill, if the emulsion nozzle is blocked, causing poor local ...
WhatsApp: +86 188380728292019年3月1日 BunaN Archive The general operation method of mixing in the open mill is to first add the raw rubber through the roll to the front roll, and leave a proper amount of accumulated glue on the top of the roll to cut off the excess rubber and feed according to the regulations.
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WhatsApp: +86 18838072829Rolling schematic view Rolling visualization. In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness, to make the thickness uniform, and/or to impart a desired mechanical property. The concept is similar to the rolling of is classified according to the temperature of the metal rolled.
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WhatsApp: +86 18838072829Considering the nonlinear stiffness constraint action from the hydraulic cylinder in the fourhigh rolling mill process, the vertical vibration dynamic model with two degrees of freedom is established. The nonlinear vertical vibration equation of roll system contained the nonlinear stiffness of the hydraulic cylinder is established on the basis of D'Alembert's principle, and the amplitude ...
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