Welding Glueing Solution
Background and Issues: In automotive welding processes, glueing technology is primarily used for structural reinforcement, weld seam sealing, and vibration suppression, playing a critical role in ensuring body stiffness, durability, and safety. Currently, many welding lines still adopt manual or semi-automatic glueing methods, which commonly suffer from insufficient trajectory accuracy, poor glue bead continuity, and low process stability. These issues fail to meet the demands of high-pace, multi-model flexible production, especially the stringent requirements of structural adhesives regarding pressure, temperature, and bead profile.
Core Solution and Principles: This solution takes a high-load six-axis robot as the execution core, integrating 3D vision positioning and multi-sensor closed-loop control systems to achieve automatic recognition and high-precision application of welding glue paths for different vehicle models. The system, through weld seam tracking and adaptive matching of process parameters, real-time adjusts the glue gun movement speed and glue extrusion pressure, ensuring the formation of uniform, continuous, and uninterrupted glue beads on complex structures such as folded edges, lap joints, and wrapped edges.
Core Innovation Points/Advantages:
Rigid-Soft Collaborative Precise Adhesive Control: The robot features a trajectory repeat accuracy of ±0.12mm, combined with a glue gun module based on force control, enabling constant-pressure adhesive application on complex surfaces such as sheet metal lap joints and folded edges, achieving an adhesive integrity rate exceeding 98%;
Welding-Adhesive Integration: Supports seamless integration of adhesive workstations into welding production lines, adapting to high-paced production of 60 JPH (Joints Per Hour) and above. The robot completes the application of multiple types of structural adhesives and sealants across the entire vehicle without requiring additional line changes;
Cloud-Linked Process Parameters: Key data such as adhesive pressure, flow rate, and trajectory are uploaded in real time to the cloud process library, supporting remote monitoring and one-click parameter (traceback), providing a data foundation for continuous optimization.
Application Scenarios and Value: Applicable to body structural adhesives, edge fold adhesives, point sealing, expansion adhesives, etc., in welding adhesive applications, covering critical assemblies such as steel-aluminum hybrid bodies, new energy battery pack casings, and four doors and two covers. It can increase body torsional stiffness by 10%~15%, reduce adhesive defect rate to within 0.5%, improve overall welding line production efficiency by more than 25%, and reduce sealant usage by approximately 12%, enabling annual cost savings of over one million yuan per line for customers.
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