Also keep the power setting as low as possible.
Laser engraving marble settings.
We first put masking tape over the coasters engrave.
Having less variables will help to find the optimum settings faster.
Starting with a dark color stone is the best way to achieve a high contrast without a color fill.
The trick to engraving marble is for you to be as patient as you can.
If you have other settings you d like to suggest please send an email to design help ncsu edu with the details.
Black marble and granite is the preferred stone for photo engraving in the laser engraving industry.
However even pebbles can be processed well with the laser due to the smooth surface.
The following are suggested laser cutter configuration settings for various materials.
This week we are laser engraving marble coasters with quirky space icons on the speedy 400 flexx laser.
The more homogeneous and fine grained the stone the better the results of the stone engraving will be.
Paint the area of the marble you are going to be engraving with a thin layer of white water based paint.
This will help make pencil marks for outlining your engraving much easier on you since otherwise the pencil would just rub off the marble.
Metals can be engraved at just about any settings.
Laser engraving on stone is particularly suitable for polished ideally dark natural stones such as granite marble or basalt.
When laser engraved correctly it should produce a white or gray mark.
Unlike the full power at low engraving speed that is required for wood or paper processing we recommend different settings for hard stone surfaces.
Of course there are many variables to consider for metal engraving.
Also available is a laser cutter user guide.
Laser engraving settings when adjusting settings a good rule is to adjust either the power or the speed.