Critical Process Parameters in Battery Laser Welding — and How to Monitor Them
Laser power, welding speed, focal position and weld geometry decide whether a battery welding process is stable — and how to verify each one in production.
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Why Is the Focal Point of a Single-Mode Laser So Hard to Find?
An invisible beam, a 50 μm focal spot, and a beam waist that refuses to become a point — why locating true focus is difficult, and how accurate you actually need to be.
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Laser Focal Point Measurement Methods Compared
Pulse engraving, direct beam measurement and focusfinder.pro — accuracy, cost and practicality compared for battery module welding.
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