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Welding of Sterling Silver

redPOWER QUBE 2kW SM

Fiber Laser Welding allows for direct joining of silver without soldering or brazing, maintaining the integrity and purity of the base metal alloy. The use of silver, as with other refractory metals, has long been sought after for its aesthetic and functional qualities such as electrical conduction.

LaserPower DemandSpotFrequencySpeedGas
 redPOWER QUBE 2kW SM 375W48mmCW25mm/s- Trepanned Spot WeldAr/He

Fiber Laser Welding allows for direct joining of silver without soldering or brazing, maintaining the integrity and purity of the base metal alloy. The use of silver, as with other refractory metals, has long been sought after for its aesthetic and functional qualities such as electrical conduction.

The sterling silver used in this application is 92.5% pure, the alloy is Argentium™, having a balance of Germanium instead of copper, it is commonly used in fine sterling silver jewelry.

The image shows the weld fully penetrating three layers of 0.5mm thick silver. This lap weld configuration through multiple thin layers is common in many industries including:

  • Jewellery, Accessories, and Home goods
  • Electronics and Electrical Interconnects
  • Alternative Energy and Energy Storage

The single mode beam properties of the 500W redPOWER SM Laser enable the deep penetration with a relatively low power and so low cost Laser solution.

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Welding of Sterling Silver

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