Baosteel wide plate flame cutting production line (3)

Product nesting: After the contour scanning is completed, the typesetting nesting needs to be carried out according to the contour of the steel plate and the product size requirements of the lower pass, and the result of the nesting is fed back to the operator. Different typesetting algorithms need to be selected according to different typesetting methods (A type, S type, G type) and different cutting methods (rough cutting, sample cutting, product cutting). In the typesetting calculation, it is also necessary to consider the influence of the length of the cutting head and the width of the slit on the typesetting nesting. For special steel plates (TP plates), it is necessary to determine the product position based on the thickness variation feature points.

Path optimization: After the product nesting is successful, it is necessary to automatically select different optimization algorithms to optimize the product cutting path according to the cutting process requirements and product layout methods, and minimize the cutting head when the cutting process requirements are met. Free travel time to increase production efficiency. For the calculated cutting path, the actual cutting process can be simulated with realistic animation of the easy-to-control configuration software. For steel plates with the same layout and cutting method, double-station nesting and path optimization can be performed simultaneously to improve work efficiency.

Path optimization interface diagram

Automatic cutting: After the path optimization process is completed, the system can control the cutting head to automatically cut the steel plate according to the predetermined cutting path. The system automatically controls the cutting gun to move to the cutting starting point, lower the head, ignite, perforate crawl, full speed cutting The whole process of cutting off the fire, raising the gun, and automatically cutting the next cutting path until the entire steel plate is cut. Parameters such as cutting speed, creep speed, gas and cutting oxygen mixing ratio can be adjusted during the cutting process. Up to 6 cutting guns can be simultaneously controlled during the cutting process to increase productivity. During the cutting, the cutting can be paused, the cutting gun can be repaired, and the cutting can be continued from the original cutting break point after entering the system again.

According to the requirements of Baosteel, the waste edge produced can be automatically cut off at the same time as normal cutting to meet the requirement that the length of the waste edge is not more than 1.3m, to meet the demand of the waste transfer line.

During the cutting, the temperature of the steel plate can be monitored in real time, and the cutting product path is automatically cut and compensated according to the calculation formula to make the size of the steel plate after cooling meet the user's ordering requirements.

Punching: After the cutting is completed, the text and graphic information such as the product number, company logo, date of manufacture, and inspection result can be punched on the cut product. The punching information is derived from the upper L3 system. The system automatically controls the punching head to move to the designated position of the product, lowering the punching head to perform the punching. After completion, the punching head is moved to the next product steel plate to punch the next mark. The steel plate number of the product is based on The sub-steel information is automatically generated.

Performance report: After the cutting is completed, the cutting completion information can be automatically transmitted to the L3 upper system, including the time to complete the task, the operator, the sub-steel information, the uncut product, the unwashed product and its reasons. When the network connection is disconnected, the system automatically stores it locally and transmits it to the upper system in the first time after the connection is restored.

Since there are 7 fire cutting systems in the entire production line, the configuration of the cutting guns controlled by each system is not the same. The system uses the same set of software, using the configuration file to configure the number of cutting heads and cutting head types of the cutting machine system to meet the needs of different fire cutting machine systems.

For abnormal information that occurs during the production process, such as the communication status of the device, the alarm information of the PLC, the alarm information of the measuring point, etc., the alarm is configured in the easy-to-control configuration software to prompt the operator to move the car to the warning area. Or when the two cars are too close, the system may automatically alert and automatically stop when there is a danger of collision. The system can monitor the operation of each part of the fire cutter system separately and feed back the test results to the operator.

Zero correction map

The software system uses the database to manage the configuration information, such as unit configuration information, production tasks, user management, task status, alarm information, cutting parameters, etc., to ensure the reliability and consistency of system information.

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