Laser not using correct speed

LightBurn Software Questions
1

I have been happily using Lightburn and my laser for some months, many many hours of cutting.
Yesterday I held a workshop and we had superb cuts. Today the speed control is wrong. Yesterday we cut with 400 mm/min, today I have to reduce the speed to 10 mm/min for penetration. Visually it looks like the laser is actually travelling about 400 mm/min with this setting.
If I run the identically same programs as used yesterday, there is just a burnline on the surface. Geometry is correct though.

I guess some register setting has got the wrong value. How can I troubleshoot and fix?

Best regards,
Lennart

2

Make sure the units you are using are indeed what you expect. Are you sure that you’re not in fact using mm/s or in/min thinking that it’s in mm/min?

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3

Thank you. I will check that. Again. But the settings should not have been changed since yesterday.

4

Not to cast aspersions on your workshop attendees, but it’s amazing how many settings change while folks become accustomed to mousing & clicking around a new-to-them program while concentrating on the laser rather than the UI.

Heck, I can do that all by myself! :grin:

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5

:smile: how right you are. I will try to compare with personal computer which was in safe care.

I would really appreciate a hint of where to look. My prime suspicion is either a software setting or a hardware register setting. Id it sufficient to compare the settings file for the software?

6

Right you are, it was the unit setting in the software. Somehow it had been changed to mm/sec instead of mm/min.

Thank you everyone for your suggestions

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