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Bystar 4020 cutting issues

Bystar 4020 cutting issues

Bystar 4020 cutting issues

(OP)
Hi. I started working at a company that just got their first laser. We cut mostly aluminum, but some of our parts are cut from scs steel. I am having two issues. If anyone has any input I would appreciate it. First, they want me to cut the scs with nitrogen assist gas, I am getting a fine burr, I have adjusted focus, GP, speed, nothing gets rid of it. Is it possible to cut steel with nitrogen and get a perfect clean cut? Second issue, lately I am getting a jagged cut after the lead in on the exterior surface of parts, the material is .063 aluminum, I have noticed that it seems to be in the X axis, the edge is clean but the contour is like a fine saw blade. I can upload a picture if that would help.

RE: Bystar 4020 cutting issues

how old is this machine?

Chris Krug http://krugtech.com/
Maximum Up-time, Minimum BS

RE: Bystar 4020 cutting issues

(OP)
they bought it used, it is 12 years old, by the looks of it the previous owners ran it like a dog.

RE: Bystar 4020 cutting issues

When was the last time anyone went through it? Has it ever cut good?

Chris Krug http://krugtech.com/
Maximum Up-time, Minimum BS

RE: Bystar 4020 cutting issues

(OP)
We got the machine in June, it was supposed to have been rebuilt by bystronic, it wasn't. They were out switching boards and dealing with issues in the HV unit often. I have had a problem with the Bypos Mirror. I think I have the jagged cutfigured out, I have the height sensor turned off so that I am not losting cut after lead ins when cutting aluminum, the material is thin and I think that it is just vibrating due to the GP of the nitrogen and the material bowing.

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