Marquardt carries out plastic welding using diode lasers in the production of a wide range of parts, including car keys.
The welding process must ensure high weld seam strength as well as a hermetically sealed joint to keep out moisture. High operational flexibility is also crucial as is the high dimensional accuracy required on the components after assembly. The welding process should also be controllable whilst keeping the process time short. Welding using high-power diode lasers fulfils these requirements. Benefits from the laser welding process also include the ability to process three-dimensional contours, and very fine welding seams can be achieved.
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