Laser Seam Tracking

Seam Tracking, also known as Joint Tracking, involves real-time tracking just ahead of where the weld is being deposited. This allows for not only robot or machine trajectory shifts, but also adaptive control such as adjustments to voltage, wire feed, or travel speed to change weld bead formation.


The DIGI-LAS/MDL is an intelligent modular laser processing system. It integrates a dedicated high precision 3D laser vision system for tracking and weld inspection to an industrially proven laser beam delivery head together into one compact rugged package that offers the perfect solution for the adaptive control of high speed welding machines or robotic laser welding systems. This system has a new generation control unit capable of performing both tracking and inspection functions simultaneously. It includes the capability of welding curved joints and complex 3D parts with either articulated robots or a multi-axes CNC machine.

Image courtesy of S-R Korea

Laser Seam Tracking with DIGI-LAS/MDL Image courtesy of S-R Korea


The AUTO-TRAC/LW is a complete solution for joint tracking and adaptive process control designed for laser and laser hybrid welding processes. This fully integrated standard system includes the laser-sensor, slides, controller, teach pendant and software, and is available for any joint preparation ranging from sheet metal to heavy plate.

Image courtesy of ESAB Welding & Cutting USA

Laser Seam Trackcing AUTO-TRAC/LW Image courtesy of ESAB Welding & Cutting USA

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