Laser weld seam tracking
Why do welding robots need to be equipped with weld seam tracking systems? Let's take a look with Jinmi Laser.
1. Actual production situation of users: There are many types of welding products, small batches, and high requirements for welding precision and welding technicians.
2. Improvement of workpiece feeding costs are high: updating the processing equipment of the original process and designing and purchasing high-precision tooling.
3. Welding robots often encounter various technical situations during the welding production process, such as workpiece clamping deviation and sheet metal thermal deformation.
4. Welding robots often require manual repair welding after the initial welding, which not only increases labor costs for small and medium-sized enterprises, but also increases the product rework rate.
To improve the processing efficiency of welding robots and reduce teaching time and difficulty, it is essential to add laser weld seam tracking systems in a timely manner.
The laser weld seam tracking system of the welding robot checks the seam gap for suitability before welding using the weld seam positioning function and accurately reaches the joint to be welded. It provides real-time weld seam tracking and monitors product deformation during the welding process. By installing sensors before the welding position data collection, data is collected via power supply or welding parameters and then transmitted to the welding robot. Various adaptive fuzzy control algorithms are used to ensure the correct welding robot trajectory or dedicated machine, thereby achieving adaptive control and realizing real-time weld seam tracking.
How to implement automated weld seam tracking and positioning?
A common method for achieving weld seam tracking and positioning in welding robots is peripheral auxiliary detection, which mainly utilizes laser tracking and photographic imaging. This weld seam tracking and positioning control system can collect weld-related data using optical measurement equipment. The welding robot can then adjust the motion trajectory of its adaptive arm by comparing the data, thereby achieving real-time tracking of the weld seam.
