Bar mill control

Details Bar mill control Bar mill control

G - Physics

05

D

341/42

G05D 5/03 (2006.01) B21B 37/16 (2006.01) B21B 1/18 (2006.01)

Patent

CA 1137593

A B S T R A C T A mill for rolling bars or rods, having a leader stand and a finishing stand with mutually perpendicular roll axes, is provided with a control system for varying the roll gaps of said stands and for axially aligning the rolls in the finishing stand. A gage measures the lateral profile of the bar or rod about its periphery and supplies a computer with these data. In addition, data, indicative of lengthwise profile variations in predetermined diameters of the bar, are supplied to the computer. The computer uses these data to compute an optimum diameter profile of the bar. The computer then calculates adjustments to the rolls in these last two stands to obtain this optimum profile. If substantial improvement in the performance of the mill can be obtained by these adjustments, the computer actuates means for adjusting these rolls whereby this profile may be realized.

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