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Laser self-fusion welding related technical features 2023-2-10

When the laser power density reaches a certain value, the temperature of the workpiece surface rises rapidly in a short period of time and reaches its boiling point, causing the metal to vaporize and form an elongated hole. When the metal vapor recoil pressure, liquid metal surface tension, gravity, etc. reach a balanced value, the slender hole no longer continues to deepen, and finally forms a hole with stable properties, temperature, and depth. When the small hole is closed, the weld is formed. , to achieve laser self-fusion welding.

Equipment advantages
  • Laser beam using 20kW laser;
  • High-power diode laser is the ideal beam source for laser hybrid welding;
  • Three-dimensional welding is formed in one go, with beautiful welds and small deformation;
  • Fiber lasers are highly integrated with industrial robots, enabling flexible processing of complex and large workpieces.
Laser power 20KW
speed 3.5m/min
Material 304、316
Plate thickness <3mm
Process advantages
  • Beautiful welds

    The autogenous welding process is less likely to produce inconsistent or uneven weld bead patterns.

  • Less post-grinding requirements

    Since no material is added during the autogenous welding operation, there is no excess material that needs to be removed from the welded parts.

  • Reduce material costs

    Since autogenous welding operations do not require fillers, material costs are lower.

  • More suitable for thin materials

    Autogenous welding is suitable for welding thin plates as it allows easy control of heat, bead profile and arc start/stop.

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