For a better world: OCT unlocks real-time quality control during oscillation welding

Compared to conventional laser welding with a static focal spot, welding with an oscillating laser beam results in better weld quality. However, to ensure the broad industrial application of this technique, an easy-to-handle integrated system for precise seam tracking and quality monitoring is required. OCT can be applied to a welding process with an oscillating laser beam to influence the process by improving control of the weld position, depth and geometry. This is done by compensating the oscillating laser movements. Hence, laser welding of power storage and electric engine components using an oscillating beam can become more robust using a highly dynamic OCT system. OCT enables fast, precise and omnidirectional online detection of varying seam joint location, focal position, weld penetration depth, as well as weld faults.

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