In the past, welding was carried out by skilled workers. The emergence of sensors provides various possibilities for homework, and their emergence saves a lot of costs in use. The welding seam tracking system technology has natural advantages in accuracy, and the advantages are as follows.
1. Improve the work environment and save labor costs. If the robot is working, workers only need to load and unload workpieces and no longer accept arcs and flying sparks, freeing them from high-intensity work, the weld seam tracking system does not require repeated demonstration and teaching.
2. The product production cycle is controllable, and the robot production rhythm is fixed, making the production plan and cycle clearer.
3. The goal is to incorporate machine learning algorithms and improve recognition and accuracy. Robots can adapt to the production of various workpieces by modifying their programs.
4. The independently designed high-performance visual sensor and weld seam tracking system have high accuracy, simple and easy-to-use calibration process, and increased efficiency. The labor cost today is so high that it is difficult to find experienced welders. Tracking technology has improved accuracy and capability. It no longer relies on experienced welders.
5. Production efficiency. Automation of welding machines not only increases accurate guidance, but also enables 24-hour operation.
6. The precision of small materials is higher. It is difficult to ensure uninterrupted accuracy manually. It can ensure the level of small materials, making the quality higher. Optimize anti electromagnetic interference and improve system stability.
Mainly used before welding and automatically guiding the welding gun to center, tracking the entire process, continuously guiding in the correct position, and can work together with other components or systems to achieve full automation and unmanned.
Using triangulation technology, laser is irradiated on the target, and images are collected through visual sensors. After software processing, the three-dimensional spatial position information of each point in the laser scanning area is obtained. The system calculates the deviation detected between them, combined with the relative position relationship with the laser vision sensor, and sends the current position deviation amount to the motion execution mechanism for position motion compensation through software calculation, thereby achieving tracking during the process. Suitable for single or multi gun composite welding using multiple methods such as TIG, MIG/MAG, SAW, PAW, and LBW;
Due to the relatively small control deviation of resistance welding robots, as long as the parameters such as the current and voltage of the power supply, the welding pressure of the robotic arm, and the cycle time of arm operation are adjusted properly, the quality of each welding point can be guaranteed. If arc welding or gas shielded welding is used, it will have some impact on the material of the car body steel, but arc welding will not, so its advantages can be greatly utilized.