Robotics·February 11, 2026
When Is Laser Seam Tracking Worth It?
Seam trackers add cost. They also erase the fit-up rework that quietly ruins your robot ROI.
Laser seam tracking measures the joint ahead of the torch and corrects the weld path on the fly. It costs more upfront than a plain robot cell.
It's absolutely worth it when: fit-up varies part-to-part (long weldments, corrugated sheet, thin-walled fabrications), or when re-teaching the robot for every batch is eating your engineer's week.
It's overkill when: parts are laser-cut jigs with sub-millimetre repeatability. In that case a well-designed fixture is cheaper and simpler.
The right answer is measured, not guessed. We run part-to-part fit-up studies before recommending the tracker.
