Analysis of the Causes of Black Smoke in Laser Welding Machines during Welding Operations
Five major factors that cause black smoke during laser welding:
Firstly, the black smoke from laser welding is closely related to the material being welded, with different welding materials having varying sizes of black smoke.
Secondly, if there is an oil film protection/oxidation layer on the surface of the workpiece, the welding black smoke will be larger,
Thirdly, black smoke is related to welding wire, as the current welding wires are all traditional welding wires and there are no wires specifically designed for the laser industry. Therefore, it is difficult to control the laser industry, and it is recommended to use existing smokeless welding wires.
Fourthly, the black smoke in laser welding is related to the welding process, such as welding speed and technique. Welding aluminum materials at low power may result in less black smoke compared to high-power welding.
Fifth, damage to the welding gun lens of a laser welding machine generally results in poor welding performance and the production of black smoke.
In order to reduce the generation of black smoke during laser welding, adjustments can be made in response to the above five situations.