KR20110130747A

KR20110130747A - Method for adjusting roll in reversing tandem mill

Info

Publication number: KR20110130747A
Application number: KR1020100050224A
Authority: KR
Inventors: 최석윤
Original assignee: 현대제철 주식회사
Priority date: 2010-05-28
Filing date: 2010-05-28
Publication date: 2011-12-06

Abstract

PURPOSE: A method for adjusting a roll of a reversing tandem mill is provided to reduce centerline adjusting time by rapidly adjusting a deviation generated in a reversing tandem mill. CONSTITUTION: A method for adjusting a roll of a reversing tandem mill is as follows. A roll-kissing is performed for the zero adjustment of a reversing tandem mill, or a gap between vertical and horizontal rolls is changed to change the size of a final product(S1). A minute adjusting menu is displayed to minutely adjust the positions of the vertical and horizontal rolls. The vertical roll or the horizontal roll is minutely adjusted through the minute adjusting menu(S3).

Description

Roll control method of reversible tandem rolling mill {METHOD FOR ADJUSTING ROLL IN REVERSING TANDEM MILL}

The present invention relates to a method for adjusting a roll of a reversing tandem mill (RTM) that can facilitate fine adjustment of a roll for removing a deviation.

In general, in order to produce a rolled material in a steel mill, a rolling process is performed, and the rolling process is performed by inserting slabs, blooms, billets, etc., produced in a continuous casting process, between two rotating rolls to form a thin and long shape. will be.

The rolling mill is a device for forming a plate, a bar, etc. through plastic deformation of the material while passing the material between the rolls rotating at room temperature or high temperature. A transfer guide is installed between the rolling mill and the rolling mill to transfer the rolled material to the rolling roll side of the next step.

The present invention, in the reversible tandem rolling mill, to provide a method for adjusting the roll of the reversible tandem rolling mill, to conveniently remove the deviation caused after adjusting the zero point or the gap between the rolls by changing the specification of the final product will be.

Roll control method of the reversible tandem rolling mill according to an embodiment of the present invention, for the zero control of the vertical roll and horizontal roll of the reversible tandem rolling mill, or change the specifications of the final product produced by the reversible tandem rolling mill Changing the spacing of the rolls in order to achieve this; Displaying a fine adjustment menu for finely adjusting the vertical roll and the horizontal roll; And finely adjusting the vertical roll and the horizontal roll through the fine adjustment menu.

According to an aspect of an embodiment of the present invention, the fine adjustment menu includes a horizontal roll input box and a vertical roll input box, and the vertical roll and the horizontal roll is finely adjusted through the fine adjustment menu When the fine adjustment value is input to one of the up and down horizontal roll input fields, the up and down horizontal roll may include adjusting finely by the fine input value.

According to an aspect of an embodiment of the present invention, the fine adjustment menu includes a horizontal roll input box and a vertical roll input box, and the vertical roll and the horizontal roll is finely adjusted through the fine adjustment menu When the fine adjustment value is input to one of the left and right vertical roll input fields, the left and right vertical rolls may include fine adjustment by the fine input value.

According to an embodiment of the present invention, the fine adjustment value may be input through a user input unit.

According to one embodiment of the present invention having the above-described configuration, it is possible to conveniently and quickly adjust the deviation generated in the reversible new temper rolling mill. That is, the centerline adjustment time can be shortened and fewer errors can be generated during data modification. Mistakes that can occur when modifying data can be prevented.

1 is a flow chart for explaining the roll adjustment method of an embodiment of the present invention, a reversible tandem rolling mill.
Figures 2a and 2b is a view for explaining the fine adjustment menu used in the roll adjustment method of the reversible tandem rolling mill of one embodiment of the present invention.

Hereinafter, a method of adjusting a roll of a reversible tandem rolling mill according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. In the present specification, the same or similar reference numerals are assigned to the same or similar configurations in different embodiments, and the description thereof is replaced with the first description.

1 is a flowchart illustrating a roll control method of an reversible tandem rolling mill according to an embodiment of the present invention.

As shown, first, the gap of the rolls are changed in order to zero the vertical and horizontal rolls of the reversible tandem rolling mill or to change the specifications of the final product produced by the reversible tandem rolling mill (S1). . Next, a fine adjustment menu for finely adjusting the vertical roll and the horizontal roll of the reversible tandem rolling mill is displayed (S3). Then, fine adjustment of the vertical roll and the horizontal roll through the fine adjustment menu (S5). Here, the fine adjustment menu includes a left and right horizontal roll input box, and a vertical roll input box, and when the fine adjustment value is input to one of the vertical roll input box, the vertical horizontal roll is finely adjusted by the fine input value. Can be. Meanwhile, the fine adjustment menu includes left and right horizontal roll input boxes and up and down vertical roll input boxes, and when fine adjustment values are input to one of the left and right vertical roll input boxes, the left and right vertical rolls are finely adjusted by the fine input values. It may comprise the steps. The fine adjustment value is input through the user input unit.

To this end, a detailed fine adjustment menu will be described in detail with reference to FIGS. 2A and 2B.

Figure 2a and 2b is a view for explaining the fine adjustment menu used in the roll adjustment method of the reversible tandem rolling mill according to an embodiment of the present invention, Figure 2a is a fine adjustment menu to adjust the zero point after kissing, Figure 2b is This menu is for adjusting roll interval for changing the standard.

In order to explain the drawings, terms displayed on the adjustment menu will be described. First, a reversible tandem rolling mill consists of three stands: That is, it may be configured as UF: Universal Finishing stand, EDGER: Edger stand, UR: Universal Roughing stand. Each of the three stands is driven by a large rolling mill motor.

In the figure, HOR stands for horizontal roll as an abbreviation of Horizontal, NDS stands for non-load side, and means half load side, and DS stands for load side as an abbreviation for Drive Side.

The fine adjustment menu for zero adjustment after kissing will be described with reference to FIG. 2A. As shown in FIG. 2A, a fine adjustment menu for zero adjustment after kissing is displayed with a window 100 for adjusting a center line. As shown, the centerline window 100 has rolls (ie, vertical rolls and horizontal rolls) items 101, 102, 103, and 104 on the load side and the unload side of the UF stand and the UR stand. Input fields 111, 112, 113, 114 for entering fine adjustment inputs are described. When the user inputs a fine adjustment value in at least one of the input fields through the user input unit, the same input value may be automatically input to the remaining input fields. Alternatively, if a fine adjustment value is input for one of the UR stands, fine adjustment values for the remaining UR stands may be automatically input. Then, by hand, the user can modify the fine adjustment value for each item.

The adjustment value may be input by a user who has recognized the value after actually measuring the horizontal roll and the vertical roll. As such, if the zero point adjustment is performed through the center line window 100, the center line adjustment time can be drastically reduced, the user's direct data input operation can be simplified, and an error may not occur during data modification.

After the product specification changes, if the initial rolled product falls short of the specification, the gap between the rolls should be adjusted.

First of all, if the product specification is changed, do the initial rolling and check the product specification. At this time, if the initial product conforms to the product specification, the rolling process is continuously executed. If the modified product initially rolled does not meet the product specification, gap adjustment is performed.

Hereinafter, a fine adjustment menu for gap adjustment will be described with reference to FIG. 2B.

As shown in FIG. 2B, the fine adjustment menu for zero adjustment after kissing is displayed with a window 200 for gap adjustment. As shown, the gap adjustment window 200 includes a horizontal roll gap adjustment menu 210 and a vertical roll gap adjustment 220. In addition, the horizontal roll gap adjustment menu 210 includes the UR stand 211, the UF stand 212, and the ED stand 213, and the vertical roll gap adjustment menu 220 includes the UR load side and the unloaded items 221. 222 and UF unloaded items 223 and 224 rolls (i.e., vertical rolls and horizontal rolls), each of which has a fine adjustment input field for entering a fine adjustment value. When the user inputs a fine adjustment value in at least one of the input fields through the user input unit, the same input value may be automatically input to the remaining input fields. That is, either horizontal rolls or vertical rolls may be automatically input in batches. Then, by hand, the user can modify the fine adjustment value for each item.

The adjustment value may be input by a user who has recognized the value after actually measuring the horizontal roll and the vertical roll. When zero adjustment is performed through the gap adjustment window 200 as described above, the gap adjustment time of the roll is greatly shortened, a user's direct data input operation is simplified, and an error may not occur when data is modified.

Roll control method of the reversible tandem rolling mill as described above is not limited to the configuration and operation of the embodiments described above. The above embodiments may be configured such that various modifications may be made by selectively combining all or part of the embodiments.

100: centerline window
200: gap adjustment window

Claims

Kissing for zero control of the vertical and horizontal rolls of the reversible tandem rolling mill, or changing the interval of the roll to change the specifications of the final product produced by the reversible tandem rolling mill;
Displaying a fine adjustment menu for finely adjusting the positions of the vertical roll and the horizontal roll; And
Rolling method of the reversible tandem rolling mill comprising the step of fine-tuning the vertical roll and the horizontal roll through the fine adjustment menu.

The method of claim 1,
The fine adjustment menu, the left and right horizontal roll input field, and vertical vertical roll input field,
The step of finely adjusting the vertical roll and the horizontal roll through the fine adjustment menu,
And when the fine adjustment value is input to one of the vertical roll input fields, the vertical horizontal roll finely adjusting by the fine input value.

The method of claim 1,
The fine adjustment menu, the left and right horizontal roll input field, and vertical vertical roll input field,
The step of finely adjusting the vertical roll and the horizontal roll through the fine adjustment menu,
And when the fine adjustment value is input to one of the left and right vertical roll input fields, the left and right vertical rolls being finely adjusted by the fine input value.

The method according to claim 2 or 3,
The fine adjustment value is a roll control method of the reversible tandem rolling mill, which is input through a user input unit.