I work for a company that manufactures and sells laser cutters, as well as other sheet meat fabricating equipment.. I trouble shoot and program them as well as our other equipment. Most laser cutters are designed for sheet or plate work. Despite who makes them, they all work pretty much the same way. In terms of sheet or plate, it is pretty much all or nothing when it comes to cutting depth. You are either all the way through, or not. you can do what we call micro welds. They are tiny welds along the edges of parts to keep them from falling through the cutting grids, or for holding windows into parts or purpose. They way we do it is we bring the beam out of focus. This changes the power density and causes a puddling effect.
On the other side of the gambit, there are series of laser cutters out there built for the purpose for cutting tubing And not just a straight cut, but complex or simple profiles weldaments and so on. They do just cut through one "side" of the tubing at a time.
I hope this helps!!
Phil
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