Settings for engraving glasses

LightBurn Software Questions
1

I am running a YoraHome 6550 with a 15 watt laser and would like to get some ideas on laser power and speed settings for engraving on glasses. I will also be using the YoraHome TLC rotary. I have the needed black acrylic paint just need some input for the rest. Are there any changes for the LBGR file?

2

Assuming your laser is linearly de-rated from my NEJE 30W, then 455mm/min @ 70% power, 254 DPI should get you close enough to be able to do a useful test pattern, which I HIGHLY recommend before committing to your finished work.

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3

Do you paint it first?

:smiley_cat:

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4

Thanks, Tom. My laser is a diode. Are these settings for that or the C02 laser?

5

Yes. You need to paint the glass first.

6

Yes, the basis for the settings are for my 30W NEJE diode module (original, not the newer FAC type module).
And I air brushed the paint on to the glass. You want coverage to get a thermal reaction, but not so much that it’s insulated from the glass. Look at the photos on:

Probably any kind of spray method would work as long as you don’t get a thick build up.

7

Thanks again Tom. I will be trying those settings today. Don’t have an air brush so I’ll try painting a thin coat of paint instead. The picture with the paint on really helped. Gave a good idea of the paint thickness. :+1:

8

Was wondering, since I thought glass was transparent to led laser light.

Not a required step with co2.

Thanks…

:smiley_cat:

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