Full Version: Settings for Slate?

From: Sei (SEIMA) [#2]
 6 Apr 2007
To: Franklin (FW_HAYNES) [#1] 7 Apr 2007

You're not going to get any depth out of engraving slate. Even at settings to cut through .25" acrylic it would only mark the surface for me.

If he any give you an extra piece I'd say experiment, starting at double the power you use to engrave plastic and proceed from there. You should get a lighter gray mark against the darker gray of the stone, but the contrast won't be terribly high.

The best success I has with slate was in a project outsourced to me (ie: I can't take credit for the idea, just had the equipment to do it for him). Engraving through a mask and using metallic silver paint surprisingly gives a very attractive finished look that is quite readable.

Sei


From: Laser Image (LASER_IMAGE) [#3]
 6 Apr 2007
To: Franklin (FW_HAYNES) [#1] 7 Apr 2007

I have tried several types of sedimentary rock - slate, sandstone, pennsylvania bluestone, etc. The best results have been multiple passes using about 10% speed and 100% power. I can engrave 1/16" into sandstone with those settings and three passes. I have a 30W, 80IPS machine so adjust your speed/power settings accordingly.

Gary


From: Franklin (FW_HAYNES) [#4]
 7 Apr 2007
To: Laser Image (LASER_IMAGE) [#3] 8 Apr 2007

Thanks, I will let you know how it turns out.

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