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Online measurement method and system for coil diameter of hot rolled steel coil

A hot-rolled steel coil and measurement system technology, applied in metal rolling, metal rolling, manufacturing tools, etc., can solve the problems of the influence of coil diameter calculation accuracy, achieve the effect of simple device, reduce cumulative error, and avoid calculation process

Pending Publication Date: 2022-05-13
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional indirect coil diameter calculation methods, such as speed calculation method and circle number calculation method, have a great influence on the accuracy of coil diameter calculation in the case of slipping or uneven thickness control of the strip

Method used

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  • Online measurement method and system for coil diameter of hot rolled steel coil
  • Online measurement method and system for coil diameter of hot rolled steel coil
  • Online measurement method and system for coil diameter of hot rolled steel coil

Examples

Experimental program
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Embodiment 1

[0043] like Figure 1-3 As shown, the present invention provides an on-line measurement system for hot-rolled steel coil diameter, comprising: an ultrasonic distance measuring sensor 1, a support frame 2 and a host computer, the ultrasonic distance measuring sensor is installed on the support frame, and the support frame is fixed on the ground Above; in the radial direction of the steel coil of the coiler, the ultrasonic distance measuring sensor is set at intervals with the steel coil, and the ultrasonic distance measuring sensor is set in the middle of the steel coil bandwidth in the direction of the central axis; the ultrasonic distance measuring sensor is kept in the working process fixed position;

[0044] The ultrasonic ranging sensor is set parallel to the ground and installed at the same height as the central axis of the reel. By fixing the support frame, the distance between the ultrasonic ranging sensor and the center of the reel is fixed, and the distance between th...

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Abstract

The invention provides a hot rolled steel coil diameter on-line measuring method and system, and the method comprises the steps: installing an ultrasonic distance measuring sensor at a position with the same height as the center of a coiling block of a coiling machine, then determining the precise distance from the ultrasonic distance measuring sensor to the center of the coiling block, and controlling the ultrasonic distance measuring sensor to emit and receive ultrasonic waves through an electric control part; the distance between the ultrasonic distance measuring sensor and the surface of the steel coil is measured, the sound velocity is compensated by the temperature sensor module, and the distance between the ultrasonic distance measuring sensor and the center of the coiling block is fixed, so that the real-time coiling diameter of the steel coil in hot rolling can be obtained through calculation. Non-contact real-time measurement of the steel coil diameter can be achieved, the rotating speed, the linear speed and the like do not need to be measured, calculation is easy and convenient, and the modularized diameter measuring device is more convenient to install and maintain in the future.

Description

technical field [0001] The invention relates to the technical field of plate and strip coiling, in particular to an on-line measurement method and system for the coil diameter of a hot-rolled steel coil. Background technique [0002] In the strip rolling production process, coiling is the last key process in the hot rolling process. Whether it can work normally and the coiling effect is directly related to the continuous rolling production and product quality. For the control system of the coiler, whether it is speed control or indirect tension control, it is necessary to obtain accurate real-time coil diameter values ​​to ensure that the coiling process can be controlled with constant tension and the quality of the steel coil. The traditional indirect coil diameter calculation methods, such as speed calculation method and circle number calculation method, have a great influence on the accuracy of coil diameter calculation in the case of slipping or uneven thickness control ...

Claims

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Application Information

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IPC IPC(8): B21C51/00B21B15/00B21C47/02
CPCB21C51/00B21B15/00B21C47/02B21B2015/0057
Inventor 孙建亮张君威王弘扬李明远
Owner YANSHAN UNIV
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