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Measuring method and device for head warping degree in steel plate rolling process

A measurement method and technology of warpage, which is applied in the field of metallurgy, can solve the problems such as difficulty in obtaining good measurement results of the warpage of the head, and achieve the effects of accuracy and stability, improved stability and control precision, and low cost

Active Publication Date: 2018-06-15
MCC CAPITAL ENGINEERING & RESEARCH +1
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Problems solved by technology

[0005] The invention provides a method and a measuring device for measuring head warpage during steel plate rolling to solve the problem that it is difficult to obtain good measurement results for head warp during steel plate rolling

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  • Measuring method and device for head warping degree in steel plate rolling process
  • Measuring method and device for head warping degree in steel plate rolling process
  • Measuring method and device for head warping degree in steel plate rolling process

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Embodiment Construction

[0042] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.

[0043] Such as figure 1 and figure 2 As shown, the present invention provides a method for measuring head warp during steel plate rolling, and the method for measuring head warp during said steel plate rolling comprises:

[0044] Step A: Arrange two sets of independent thickness gauges at the exit position of the rolling mill, for example, on the bracket or frame at the exit, which are respectively the first thickness gauge and the second thickness gauge, and the two sets of independent thickness gauges measure The same position thickness of the steel plate 3 at the exit of the rolling mill;

[0045] The first thickness gauge includes: a first emission source 11 and a first receiving end 13 set corresponding to the first emission source;

[0046] The second thickn...

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Abstract

The invention provides a measuring method and device for the head warping degree in a steel plate rolling process. The measuring method for the head warping degree in the steel plate rolling process includes the steps that A, two sets of independent thickness gages including the first thickness gage and the second thickness gage are arranged at the outlet position of a rolling mill, and the two sets of the independent thickness gages are used for measuring the thickness of the same position of a steel plate at the outlet position of the rolling mill; when the steel plate is warped, the steel plate plane and the operating direction of the steel plate form a certain included angle theta; and the first thickness gage is used for measuring the segment length h1 of a straight line formed by intersecting the connecting line of a first emission source and a first receiving end with the steel plate, the second thickness gage is used for measuring the segment length h2 of a straight line formedby intersecting the connecting line of a second emission source and a second receiving end with the steel plate, and a measuring equation of the first thickness gage and a measuring equation of the second thickness gage are subjected to two-equation simultaneous solution, and accordingly the warping degree of the steel plate can be obtained. The measuring device comprises the first thickness gageand the second thickness gage.

Description

technical field [0001] The invention relates to the field of metallurgy, in particular to an automatic control method for rolling steel, in particular to a method and a measuring device for measuring the warpage of a head during steel plate rolling. Background technique [0002] During the rolling process of medium and heavy plates, in order to ensure that the steel plate does not collide with the conveying roller table when it moves to the subsequent process after rolling, the steel plate head is generally changed by controlling the speed difference between the upper and lower rolls of the rolling mill or adjusting the height of the rolling line through a hydraulic cylinder. The top is shaped so that the head is turned up slightly, forming a sled shape. Due to the harsh environment around the rolling mill, it is difficult to reliably identify the warpage of the head by image recognition and other methods. The traditional method is to judge the shape of the head of the steel...

Claims

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Application Information

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IPC IPC(8): B21B38/04B21B38/00
CPCB21B38/00B21B38/04B21B2038/004
Inventor 王云波张春阳张兴起赵桂琴
Owner MCC CAPITAL ENGINEERING & RESEARCH
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