Infrared/Laser Billet Cut-to-Length System

概述

武汉中瑞测控工程有限公司研制的全数字非接触式红外/激光自动定尺切割系统，是国内首创的数字测量、数字传输、数字定位、数字控制技术，适用于方坯、矩形坯、板坯、圆坯、异形坯连铸产品的一次和二次切割，可同时自动定尺切割1-24股坯料，并显示每根坯料的拉坯速度和运行状态。系统测控精度高，抗干扰能力强，提高了连铸产品的产量和质量，减轻了操作人员的劳动强度。整个系统投资少，安装调试运行简单，基本免维护。无需改变原有的生产设备，是自动定尺切割方法的重大突破，也是连铸工艺的重要组成部分，得到了专家和厂家的高度评价。数字红外定尺切割还可提供高清解决方案，使测量误差达到±2mm，并且系统可支持4股高清CCD图像测量。

系统特点

1. The system adopts advanced digital image processing technology (non-touching type) to identify the length of hot billet online, automatically controls the flame cutting machine to cut the hot billet to a certain length, detects and displays the running status and casting speed, and collects the image information of the moving billet from a long distance through an infrared camera.

2. The computer processes the image information by pattern recognition program, forms the operation information and converts it into the electrical signal of the specified format, so that the hot billet can be cut by the actuator. The system can cut the 1-24 strands to length at the same time with an infrared camera.

3. A schematic diagram of the overall layout and working principle of the system is shown in Figure 1.

Fig 1

The functions of the system

1. Applicable to all kinds of continuous casting machine flame cutting system.

2. Adopt advanced digital image pickup technology.

3. It is not sensitive to other high-intensity light interference, and overcomes the influence of light sources such as sunlight and arc welding.

4. The system provides abundant interfaces, which can communicate with with the PLC. 

5. The fixed-length parameters and data can be directly modified by the secondary system to optimize the fixed-length cutting.

6. Historical cutting data is automatically stored, and the system can set rules for historical data.

7. Support the free transformation of fixed length, and a variety of operation modes are available for the operator to choose.

8. Each stream can send out signals such as pre-clamping, clamping, cutting, roll-up, roll-down and return of the cutting car according to the user’s requirements.

9. The monitor displays the running status of the current hot billet in real time and displays the corresponding parameters.

10. Data management can be carried out according to shifts, pouring times, days, weeks, months, etc., as well as data management according to specifications, production capacity, quality, etc.

11. Provide automatic, manual cutting control.

12. The detection and cutting precision is high, and the controllable precision is ±5mm.

The extension of the system

The system can install 1 to 8 cameras. Generally, when one camera cannot meet the requirements, the system can be equipped with 2 to 8 cameras. The camera can be fixed inside and outside the operating room perpendicular to the roller line, and the setting height is generally 3-5 meters, so that the camera can clearly and completely capture the image of the moving billet. High-definition line scan cameras can also be provided to perform high-precision positioning of each strand of cast products. Line scan cameras are used to support up to 12 strand systems, which ensures that the center of the viewing angle, the billet head, and the fixed-length mark are vertical to improve the cutting and fixed-length accuracy.

The technical parameters

1.Numbers of caster stands: maximum 24 strands

2.切割方式：火焰切割

3.匹配拉速：≤6.5m/s

4.坯料温度范围：<1000℃

5.测量精度：±5mm

6.定尺范围：3-18m

7.信号传输：TCP/IP

8.信号数量：预切、切断

武汉中兴测控工程有限公司
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