KR101225720B1 - Method for displaying thickness of as rolled plate in plate rolling mill - Google Patents

Method for displaying thickness of as rolled plate in plate rolling mill Download PDF

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Publication number
KR101225720B1
KR101225720B1 KR1020100094404A KR20100094404A KR101225720B1 KR 101225720 B1 KR101225720 B1 KR 101225720B1 KR 1020100094404 A KR1020100094404 A KR 1020100094404A KR 20100094404 A KR20100094404 A KR 20100094404A KR 101225720 B1 KR101225720 B1 KR 101225720B1
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South Korea
Prior art keywords
thickness
blade
good
displaying
thick plate
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KR1020100094404A
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Korean (ko)
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KR20120032861A (en
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허승민
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현대제철 주식회사
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Priority to KR1020100094404A priority Critical patent/KR101225720B1/en
Publication of KR20120032861A publication Critical patent/KR20120032861A/en
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Publication of KR101225720B1 publication Critical patent/KR101225720B1/en

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  • Mechanical Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The present invention is to measure the thickness of the blade, after calculating the thickness of the entire blade through the thickness of the blade, compared to the predetermined reference thickness range to determine the portion of the thickness of the blade is good and bad of the whole portion of the blade And displaying, on the screen, a portion having a good thickness and a portion having a poor thickness among the whole portions of the blade.

Description

How to Display Thickness of Plate in Thick Plate Process {METHOD FOR DISPLAYING THICKNESS OF AS ROLLED PLATE IN PLATE ROLLING MILL}

The present invention relates to a method for displaying the thickness of a blade in a thick plate process, and more particularly, to a method for displaying the thickness of a blade in a thick plate process in which a thickness of the blade is displayed on a screen in a thick plate process.

In general, the plate (PLATE) is used in ship manufacturing, bridges, pressure vessels for boilers, etc., refers to a thick steel plate of 6mm or more thick.

In the process of producing such a thick plate, first, raw materials such as iron ore, fuel coal, etc. are put into the blast furnace in the steelmaking process to make hot water by blowing high temperature wind.

Subsequently, in the steelmaking process, the slab is purified to remove impurities, injected into a mold, and then cooled and solidified through a continuous casting machine to produce slabs.

These slabs are heated in a thick plate process, and then rolled to a predetermined thickness, and are produced as blades through a rolling process in a thick plate rolling mill. This blade is cut to order width and length to finally produce the plate.

The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.

According to the present invention, after measuring the thickness of the blade, through the measured thickness of the blade to determine the portion of the good thickness and the thickness of the entire portion of the blade is displayed on the screen by the operator shear according to the shear pattern of the blade It is an object of the present invention to provide a method for displaying the thickness of a blade in a thick plate process, which enables the position to be easily determined.

The blade thickness display method of the thick plate process according to the present invention comprises the steps of measuring the thickness of the blade; Calculating the thickness of the whole blade based on the thickness of the blade, and then determining a portion having a good thickness and a defective portion of the whole portion of the blade compared to a preset reference thickness range; And displaying, on the screen, a portion having a good thickness and a portion having a poor thickness among the whole portions of the blade.

In the present invention, the step of displaying on the screen is characterized in that for displaying the portion of the thickness and the portion of the thickness of the blade as an image.

In the present invention, the step of displaying on the screen is characterized in that the portion of the thickness and the portion of the thickness of the blade is displayed in different colors.

In the present invention, the step of displaying on the screen is characterized in that it further comprises displaying the shear pattern of the blade in the portion where the thickness of the blade is good.

In the present invention, if the shear pattern of the blade is not displayed in the portion where the thickness of the blade is good, it characterized in that the shear thickness error of the blade.

In the present invention, the step of displaying on the screen is characterized in that the portion of the thickness and the portion of the thickness of the blade is displayed in numerical value.

In the present invention, the step of displaying on the screen is characterized in that to display the maximum range in which the shear pattern of the blade plate can be located in the portion having a good thickness of the blade plate.

The maximum range of the present invention is characterized by displaying the drive side, the center line and the operator side of the blade.

According to the present invention, after measuring the thickness of the blade, through the measured thickness of the blade to determine the portion of the good thickness and the thickness of the entire portion of the blade is displayed on the screen by the operator shear according to the shear pattern of the blade Make it easy to determine your location.

1 is a block diagram illustrating a blade thickness display apparatus of a thick plate process according to an exemplary embodiment of the present invention.
Figure 2 is a flow chart of the blade thickness display method of the thick plate process according to an embodiment of the present invention.
FIG. 3 is a diagram showing a display example in which the portions having good thickness and portions having poor thickness are numerically displayed in FIG. 2.
FIG. 4 is a diagram showing a display example in which the portions having good thickness and portions having poor thickness are shown in the image in FIG. 2.
FIG. 5 is a diagram showing a display example in which a shear pattern is displayed in a portion having a good thickness in FIG. 4.

Hereinafter, a method for displaying the thickness of a blade of a thick plate process according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom. Therefore, the definitions of these terms should be made based on the contents throughout the specification.

1 is a block diagram of a blade thickness display apparatus of a thick plate process according to an embodiment of the present invention, Figure 2 is a flow chart of the blade thickness display method of a thick plate process according to an embodiment of the present invention, Figure 3 FIG. 2 is a view showing a display example in which the portions having good thickness and defective portions are displayed numerically, and FIG. 4 is a view showing a display example in which the portions having good thickness and defective portions are displayed as images in FIG. FIG. 5 is a diagram showing a display example in which a shear pattern is displayed in a portion having a good thickness in FIG. 4.

As shown in FIG. 1, the plate thickness display apparatus of the thick plate process according to the exemplary embodiment of the present invention includes a thickness measuring unit 10, a display unit 20, a warning unit 30, and a controller 40.

The thickness measuring unit 10 measures the thickness of the blade. The thickness measuring unit 10 measures the thickness of the blade at three positions of the drive side DRIVE SIDE, the center line CL, and the operator side OS, and inputs the thickness to the controller 40. .

The display unit 20 displays the thickness of the blade. The thickness of the blade is indicated numerically or by image. In the case of displaying the thickness of the blade in an image, the portions having good thickness and the portions of the blade are displayed in different colors. In addition, in the case of numerical display, the maximum range in which the shear pattern of the blade can be positioned is indicated.

The warning unit 30 warns of the shear thickness error of the blade when the shear pattern of the blade is not displayed in the portion where the thickness of the blade is good, that is, when the thickness of the blade is poor after shearing.

When the thickness of the blade is measured at the drive side DS, the center line CL, and the operator side OS by the thickness measuring unit 10, the controller 40 interpolates or extrapolates the measured thickness of the blade. The thickness of the entire blade is calculated using the EXTRAPOLATON method.

As described above, after calculating the thickness of the entire blade, it is compared with the predetermined reference thickness range to determine whether the thickness is good or bad parts through whether or not included in the reference thickness range.

As described above, after determining the parts having good and poor thicknesses of the blades, the thicknesses of the blades are displayed numerically or images through the display unit 20 using the blades.

This will be described in detail with reference to FIGS. 2 to 5.

In the method for displaying the thickness of a blade of a thick plate process according to an embodiment of the present invention, first, the thickness measuring unit 10 measures the thickness at the drive side DS, the center line CL, and the operator side OS of the blade ( S10) Input to the control unit 40.

When the thickness is input from the thickness measuring unit 10, the controller 40 calculates the thickness of the whole blade by using interpolation or extrapolation of the measured thickness of the blade. As described above, after calculating the thickness of the whole blade, it is compared with the preset reference thickness range to determine whether the thickness is good or bad parts through whether the included in the reference thickness range (S20).

In this way, a portion having a good thickness and a defective portion of the entire portion of the blade is displayed on the screen through the display unit 20 (S30).

In this case, the control unit 40 displays on the screen a portion having a good thickness and a portion having a poor thickness as a numerical value or an image.

FIG. 3 shows numerically indicating portions having good thickness and defective portions of the entire portion of the blade.

Referring to FIG. 3, the maximum range in which the shear pattern can be located in the portion having a good thickness of the blade according to the shear pattern is shown, and the drive side (DS), the center line (CL) and the operator side (OS) are displayed. Mark it separately.

Therefore, the operator can numerically recognize the position where the operator can shear the blade without shearing thickness at the drive side (DS), the center line (CL) and the operator side (OS). As a result, the blades may be sheared according to the shear pattern, thereby preventing thickness defects from occurring during shearing.

 4 and 5 show the image of the good part and the bad part of the whole part of the blade as an image, the color part is displayed differently the good part and the bad part.

Referring to FIG. 4, the portion marked in white is a portion having a good thickness among the entire portions of the blade, and the portion marked in black is a portion in which the thickness is poor.

Therefore, the operator can visually identify the part having good thickness and the part having poor color through the image.

FIG. 5 shows the shear pattern in FIG. 4.

Referring to FIG. 5, the shear pattern of the blade is displayed in a portion where the thickness of the blade is marked in white in FIG. 4, so that a worker may visually recognize a position where the blade may be sheared without a thickness failure during shearing. have.

For reference, the present specification has been described with an example of displaying a portion having a good thickness and a portion having a different color, but the technical scope of the present invention is not limited thereto, and is simply divided by a line or divided into different patterns. Will include everything that is displayed.

On the other hand, as shown in Fig. 5, when the shear pattern is displayed in the portion having a good thickness of the blade, if the shear pattern is not displayed in the portion where the thickness of the blade is good, the shear thickness of the blade through the warning part 30 Warn an error.

Through this, when shearing, the worker can easily predict that a portion having a bad thickness on the blade.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, I will understand. Therefore, the true technical protection scope of the present invention will be defined by the claims below.

10: thickness measurement unit 20: display unit
30: warning unit 40: control unit

Claims (8)

Measuring the thickness of the blade;
Calculating the thickness of the whole blade based on the thickness of the blade, and then determining a portion having a good thickness and a defective portion of the whole portion of the blade compared to a preset reference thickness range; And
Of the whole portion of the blade to display the portion of the thickness of the blade is good and poor,
In the displaying on the screen, the thickness of the blade plate of the thick plate process is characterized by displaying the portion of the thickness and the portion of the blade is good in the image, and the shear pattern of the blade in the portion of the thickness of the blade is good. Way. delete The method of claim 1, wherein displaying on the screen
Blade thickness display method of the thick plate process, characterized in that the portion of the thickness of the blade is good and display the defective portion in different colors. delete The method according to claim 1, wherein if the shear pattern of the blade is not displayed in a portion where the thickness of the blade is good, the shear thickness error of the blade is warned. The method of claim 1, wherein displaying on the screen
Blade thickness display method of the thick plate process, characterized in that the portion where the thickness of the blade is good and the defective part is displayed numerically. The method of claim 6, wherein displaying on the screen
Blade thickness display method of the thick plate process characterized in that for displaying the maximum range that the shear pattern of the blade can be located in the portion of the thickness of the blade is good. 8. The method of claim 7, wherein the maximum range is
Blade thickness display method of the thick plate process characterized in that the display is divided into the drive side, the center line and the operator side of the blade.
KR1020100094404A 2010-09-29 2010-09-29 Method for displaying thickness of as rolled plate in plate rolling mill KR101225720B1 (en)

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Application Number Priority Date Filing Date Title
KR1020100094404A KR101225720B1 (en) 2010-09-29 2010-09-29 Method for displaying thickness of as rolled plate in plate rolling mill

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KR101225720B1 true KR101225720B1 (en) 2013-01-24

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010063547A (en) * 1999-12-22 2001-07-09 이구택 Apparatus for measuring the sectional shape of the rolled bar
KR20040054339A (en) * 2002-12-18 2004-06-25 주식회사 포스코 Apparatus and method for measuring shape of billet and bloom
JP2006267022A (en) 2005-03-25 2006-10-05 Kurabo Ind Ltd Defect inspection device and method
KR100851199B1 (en) * 2006-12-22 2008-08-08 주식회사 포스코 Method and system for controlling shape of steel in skin pass mill

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010063547A (en) * 1999-12-22 2001-07-09 이구택 Apparatus for measuring the sectional shape of the rolled bar
KR20040054339A (en) * 2002-12-18 2004-06-25 주식회사 포스코 Apparatus and method for measuring shape of billet and bloom
JP2006267022A (en) 2005-03-25 2006-10-05 Kurabo Ind Ltd Defect inspection device and method
KR100851199B1 (en) * 2006-12-22 2008-08-08 주식회사 포스코 Method and system for controlling shape of steel in skin pass mill

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