Method for dynamically centering side guiding plates and control device
An action control and guide plate technology, applied in the field of method and control device, dynamic centering side guide plate, can solve the problems of cost reduction and efficiency increase of unfavorable production line, large temperature drop of rough rolling, long time, etc., and achieve cost reduction and increase of production line. The effect of reducing the temperature drop of rough rolling and reducing the pure rolling time
Active Publication Date: 2018-12-21
BEIJING SHOUGANG CO LTD
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Problems solved by technology
[0004] The time of rough rolling and pure rolling in the multiple centering process is relatively long. Due to the long time, the temperature drop of rough rolling is relatively large, which is not conducive to cost reduction and efficiency increase of the production line.
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[0042] Hereinafter, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0043] The first embodiment of the present invention provides a method for dynamically centering side guides, such as figure 1 As shown, the method includes:
[0044] S101: When the slab runs to the entrance of the entrance-side guide, input a first preset offset, and control the entrance-side guide to close to the first opening degree according to the first preset offset and the width of the slab.
[0045] S102...
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The invention relates to the technical field of hot rolling strip steel rough rolling, in particular to a method for dynamically centering side guiding plates. The method comprises the following stepsof when a slab is transported to an inlet of an inlet side guiding plate, inputting a first preset deviation quantity, and controlling the inlet side guiding plate to be closed to a first opening degree according to the first preset deviation quantity and the width of the slab; when the slab enters rolling machine equipment in a gripping manner for rolling, inputting a second preset deviation quantity, and controlling the inlet side guiding plate to be closed from the first opening degree to a second opening degree according to the second preset deviation quantity and the width of the slab, wherein the second preset deviation quantity is smaller than the first preset deviation quantity; after the slab is subjected to steel throwing, inputting a third preset deviation quantity, and controlling the inlet side guiding plate to be closed from the second opening degree to a third opening degree according to the third preset deviation quantity and the width of the slab, wherein the third preset deviation quantity is smaller than the second preset deviation quantity. Through the adoption of the method disclosed by the invention, time for rough rolling and net rolling is reduced, and temperature drop of the rough rolling is reduced, so that a production line is low in cost and high in efficiency.
Description
Technical field [0001] The invention relates to the technical field of hot-rolled strip steel rough rolling, in particular to a method and a control device for dynamically centering side guide plates. Background technique [0002] The side guides are usually used in the rough rolling process of the conventional hot rolling production line. The side guides are generally installed at two positions of the rolling mill, one is the entrance and the other is the exit. The structure of the side guides is specifically a pair of side plates facing each other. The operation side plate and the transmission side plate, wherein the operation side plate is restricted by position, and the transmission side plate is subjected to pressure and position control. [0003] The side guides mainly play the role of centering the slab, guiding and limiting the deviation of the slab in the hot rolling production line. The side guide plate of the conventional hot rolling line performs sequential actions acc...
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IPC IPC(8): B21B39/16
CPCB21B39/16
Inventor 霍光帆周阳何立东辛艳辉崔二宝刘丰张月林王蕾
Owner BEIJING SHOUGANG CO LTD