We are launching a new laser welding system.
The old system is making fairly smooth welds on 1050 aluminum.
The new system is using the same laser system, same parameters, and making the same product, yet the welds have a crown and rough surface.
My first suspicion is that the systems are not identical. I think maybe the machine builder has tampered with some laser settings.
But it can get deep. I mean, we do have the abiity to edit pulse, wave shape, frequency, beam focusing, yada yada yada...
I am trying to keep it simple by sticking with focal length, watts, and travel speed.
But any thoughts on what might cause a rough weld? I think it is a hermetic seal - just blowing the drawing OD limit on diamter with the weld crown. (Circular weld)