Laser Etching Tile

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gkas
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Model of CNC Machine: Aspire, Axiom AR8 Pro+, Axiom 4.2W Laser
Location: Southern California

Laser Etching Tile

Post by gkas »

I have the Axiom 4.2 watt laser (made by J-Tech). I can't change power on-the-fly, so I'm pretty much locked in to single power etching.

Every once in a while I play around with lasering different materials. I had been planning on test lasering a painted tile. Then I came across this video the other day. Zinc coating for diode laser "etching" glass & tile. Water clean up. High contrast. https://www.youtube.com/watch?v=LR9CDz8 ... WL&index=9 He touts using a Cold Galvanizing spray paint prior to lasering. Cheap enough to buy a can.

Here's what I got:
Galvanize Spray, One Coat
Galvanize Spray, One Coat

The single coat with lasering when dry to touch came out best. But, not anywhere near as dark as the video.

Brown Spray Paint, Two Coats, Cured
Brown Spray Paint, Two Coats, Cured
I like lasering on the brown painted ceramic to reveal white. Any ideas for clear top coat? I'd like to use them for trivets, but I'd like them to hold up reasonably well.

Brown Paint, Melted with sprayed with clear topcoat.
Brown Paint, Melted with sprayed with clear topcoat.
This was my first try. I lasered the brown paint, then sprayed with a clear coat. INCOMPATABLE. The brown paint dissolved. When I wiped off the brown, it filled the etch. I guess the laser did etch the glaze. Anyway, the fill looks pretty good.

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highpockets
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Re: Laser Etching Tile

Post by highpockets »

Nice work Gerry, hoping to get my laser setup one day :lol: :lol: :lol:
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wilkigr
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Re: Laser Etching Tile

Post by wilkigr »

I use a water-borne poly recommended for floors. I use a Critter spray gun to apply it. Two coats seems enough. Friends and family have been using them as coasters and they still look fine.

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gkas
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Model of CNC Machine: Aspire, Axiom AR8 Pro+, Axiom 4.2W Laser
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Re: Laser Etching Tile

Post by gkas »

wilkigr wrote:
Wed Apr 28, 2021 12:46 pm
I use a water-borne poly recommended for floors. I use a Critter spray gun to apply it. Two coats seems enough. Friends and family have been using them as coasters and they still look fine.
Thanks, I'll look around.

wood_fly
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Re: Laser Etching Tile

Post by wood_fly »

That's nifty! Thanks for sharing. Got a can coming my way...
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Re: Laser Etching Tile

Post by Tailmaker »

Tabletop epoxy pour might look good and needs only a single coat.
Puzzle, Finger Joint, Maze and Guilloche freeware at https://fabrikisto.com/tailmaker-software/

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