Dadu Industries
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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.

When Is Laser Seam Tracking Worth It?

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.