What are the causes of laser welding spatter?

in Laser Welding FAQs,

After laser welding is completed, many metal particles appear on the surface of the material or workpiece.

Cause:

The surface of the material or workpiece is not cleaned, there are oil stains or pollutants, or it may be due to the volatilization of the galvanized layer.

Solution:

Clean the material or workpiece before laser welding.

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