Integrated Path Measurement Makes Laser Welding More Efficient

Welding Battery Modules Integrated Path Measurement Makes Laser Welding More Efficient

2026-05-20 A guest article by Matthias Wolf * | Translated by AI 5 min Reading Time

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SIMTOS (Seoul International Machine Tool Show)

With a very compact multi-axis system from Bosch Rexroth, RMA was able to increase the efficiency of its Battery Welder machine series for laser welding battery modules. The centerpiece is a gantry system with highly dynamic linear drives, an integrated IMS Compact position measuring system and the Ctrlx Core control platform.

View inside the laser welding system. Left in the picture: a linear axis with two guides, the one on the right with integrated IMScompact position measuring system.(Image: RMA) — View inside the laser welding system. Left in the picture: a linear axis with two guides, the one on the right with integrated IMScompact position measuring system.
(Image: RMA)

The laser welding of battery modules is a quality-critical process that requires reproducible accuracy from the linear technology involved. This is because the high-precision laser beam must be focused precisely on the cell poles and connectors in order to melt the metal quickly over the smallest area. This is the only way to ensure a reliable electrical connection and thus the required performance and safety.

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