Engraving Rhino Blanks with NEJE engraver. It works! Here's how. - International Association of Penturners
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Old 11-26-2017, 06:53 PM   #1 (permalink)
 
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Default Engraving Rhino Blanks with NEJE engraver. It works! Here's how.

I don't know if anyone else has ever tried this, if it is old news, Moderators, please delete this post. If it isn't, someone let me know, and I will write up a post for the Library.

Long story short, I wanted to be able to reliably engrave acrylic. In particular, Rhino blanks, as they are the one's I typically use. I tried a bunch of different methods to get my laser to engrave rhino plastic blanks, to no reliable result. But finally, I figured out a way to do it. Low fire ceramic glaze.

I might also add that I update my software to the Neje laser Printer extended software. I can dig up the link if anyone is interested. It gives a longer burn time.

So I turned the blank, sanded, micro mesh to 12,000 but didn't buff it with wax as usual. I brought it in the house, and brushed on one thin coat of low fire ceramic glaze. (I tried two coats last night, and it didn't work) I ran the laser 4 times at max burn. One right after the other. Then I just washed off the remainder of the ceramic glaze. The engraving was deep enough for me to use rub and buff on it, and it turned out really, really well. ( I have enclosed a picture) I will take it out and resand it with 5k, 7k, and 12k. just to clean it all up.

Let me know if you all want a more detailed write up, and I will put it together. With links, etc.

If not, enjoy.

As ever,
M.
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Old 11-26-2017, 07:30 PM   #2 (permalink)
 
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Very nice work, using gold Rub n Buff nicely matches the engraving to the hardware. Is that an Atrax? I was thinking of making one for my daughter's bf.
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Old 11-26-2017, 08:12 PM   #3 (permalink)
 
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Mark. I'm not at all familiar with this glaze product.
Am I correct in understanding that the heat from the laser is reacting to the glaze the way firing in a kiln would?
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Old 11-26-2017, 09:09 PM   #4 (permalink)
 
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Correct. It doesn't fire hot enough to actually make the glaze harden, but I believe what is happening is the glaze adds and retains heat. Therefore melting what the laser isn't strong enough to melt on it's own.
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Old 11-26-2017, 09:46 PM   #5 (permalink)
 
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Very nice .... lots of potential here, IMHO.
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Old 11-26-2017, 11:10 PM   #6 (permalink)
 
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Hi Mark, I would appreciate receiving the Details and links if it isn't too much trouble?
I am shortly about to start wrestling with my Neje.
Regards,
Brian.
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Old 11-27-2017, 03:55 AM   #7 (permalink)
 
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Quote:
Originally Posted by OZturner View Post
Hi Mark, I would appreciate receiving the Details and links if it isn't too much trouble?
I am shortly about to start wrestling with my Neje.
Regards,
Brian.
I will write it up this week Brian, and get it sent out.
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Old 11-27-2017, 08:30 AM   #8 (permalink)
 
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Quote:
Originally Posted by Beautys_Beast View Post
Quote:
Originally Posted by OZturner View Post
Hi Mark, I would appreciate receiving the Details and links if it isn't too much trouble?
I am shortly about to start wrestling with my Neje.
Regards,
Brian.
I will write it up this week Brian, and get it sent out.
Please also include what didn't work so we all don't reinvent the wheel.
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Old 11-27-2017, 09:37 AM   #9 (permalink)
 
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Please post a photo of the label on the container of glaze -- Amazon has a brazillion different colors and textures to choose from

Thanks!

ps: a lot of them are made by a company called Duncan ... I should ask for family discount
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Old 11-27-2017, 10:26 AM   #10 (permalink)
 
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I will write up everything that worked, and didn't work. Will include pictures, ETC.
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