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Mitsubishi Electric's New Fiber-laser Welding Technology Dramatically Reduces Spatter for Faster Welding

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Raises the welding quality and productivity of high-power fiber-laser
welding for industrial applications

Mitsubishi
Electric Corporation
(TYO:6503) and its affiliate company Tada
Electric Co. announced today their joint development of a new
fiber-laser welding technology that cuts flying molten metal (spatter)
by 95 percent or more*. Whereas conventional spatter levels
can lower the quality and speed of fiber-laser welding, the new
low-spatter technology raises the welding quality and productivity of
high-power fiber-laser welding for industrial applications such as steel
processing, automobile production and electrical equipment
installations. The new technology is expected to be incorporated in
laser-welding machines that will appear in 2019.

*Compared with conventional technology during welding using SPHC (hot
rolled material)

Key Features

1) Combined high/low-power laser beam reduces
spatter by 95 percent or more for improved welding quality

  • Suppresses spatter regardless of welding speed by irradiating a
    low-power laser beam around the high-power laser beam.
  • New optical system simultaneously generates high-power and low-power
    laser beams from the output beam of feeding fiber.
  • 10-kW high-power fiber laser cuts spatter by 95 percent or more for
    improved weld quality.

2) Doubles the speed of welding by suppressing
spatter, contributes to increase in productivity

  • Welding speed does not need to be lowered to suppress spatter, so the
    system's 10-kW high-power fiber laser can weld at twice the speed of a
    conventional system when welding material of the same thickness.

For the full text, please visit: www.MitsubishiElectric.com/news/

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