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Method for establishing and determining slab caster-overhauling reference coordinate system

A slab continuous casting machine and coordinate system technology, which is applied in the field of measurement and control, achieves the effects of establishing a reasonable coordinate system, improving detection efficiency, and simplifying the data analysis process.

Active Publication Date: 2012-01-18
BEIJING SHOUGANG CONSTR GROUP
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, the inspection and adjustment of the slab continuous casting machine, most of the methods just directly use the original reference point, without involving the re-optimization and establishment of the coordinate system, and the more advanced inspection units in China do not have a good method to establish a reasonable and reliable datum coordinate system

Method used

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  • Method for establishing and determining slab caster-overhauling reference coordinate system
  • Method for establishing and determining slab caster-overhauling reference coordinate system
  • Method for establishing and determining slab caster-overhauling reference coordinate system

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Experimental program
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Effect test

Embodiment approach

[0028] (1) Construction preparation

[0029] After the fan section is removed, first prepare a slab with a thickness of 150-200mm and place it on the middle beam of the support frame of the horizontal fan section for erecting the instrument;

[0030] Then the surveyors set up the reference points of the coordinate system. The surveyors observe according to the site conditions, determine the welding position of the coordinate reference points and mark them, remove the walking table that hinders the line of sight, and carry out welding of the coordinate reference points. The position of the coordinate reference points must be The layout is reasonable. (See image 3 )

[0031] (2) Acquisition of credible benchmark raw data

[0032] A When the temperature in the measurement area drops below 30°C, first collect the coordinates of the original reference point in the instrument coordinate system.

[0033] B Support the inner wall of the fan-shaped segment under the instrument coo...

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Abstract

A method for establishing and determining a slab caster-overhauling reference coordinate system belongs to the technical field of measurement control. The process steps are as follows: construction preparation, reliable reference initial data acquisition, coordinate system establishment, coordinate system determination and correction. The method is used for establishing a reference coordinate system in the process of checking and adjusting the main part of a slab caster when the precision of the casting blank-guiding section of the slab caster cannot meet product requirements due to various reasons after the slab caster is used for a period of time. The method has the advantages that: check and analysis are carried out by means of the supporting framework of the fan-shaped section of the slab caster, the method does not totally depend on original reference points, the actual state of the equipment can be fully and truly reflected, reliable reference can be sufficiently utilized, and the coordinate system can be comprehensively determined and corrected; the checking efficiency is increased; the coordinate system can be more reasonably and accurately established, and the process of data analysis is greatly simplified.

Description

technical field [0001] The invention belongs to the technical field of measurement and control, and in particular provides a method for establishing and judging a reference coordinate system during maintenance of a slab continuous casting machine. When the accuracy of the slab guide section cannot meet the product requirements, the reference coordinate system is established in the process of detecting and adjusting the main part of the continuous casting machine. Background technique [0002] Due to the complexity of the slab continuous casting machine's own structure and the high-precision requirements of the equipment, more reliable detection methods are required for the detection and adjustment of the main part of the continuous casting machine. In the past, the inspection and adjustment of the slab continuous casting machine, most of the methods just directly use the original reference point, without involving the re-optimization and establishment of the coordinate syste...

Claims

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Application Information

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IPC IPC(8): B22D11/16
Inventor 安自强李景园余丹峰
Owner BEIJING SHOUGANG CONSTR GROUP
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