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Laser Welds - Types

There are three key weld geometries used in laser welding, these are butt, lap and fillet.  Each has features that align with certain applications.

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Butt weld

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        Most efficient for laser power vs weld strength & speed

        Weld strength directly related to weld depth

        Least forgiving for part fit-up

        Minimum part thickness limitation

 Lap Weld

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         Weld strength from weld width at interface

        Most forgiving for part fit-up

        Thin (top) to thick preferred

Fillet Weld
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