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Old 04-28-2016, 05:49 PM   #1 (permalink)
 
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Default Chinese Laser Engraver

So I find that for around $100 one can get a 1 watt laser engraver from China. The demo videos on YouTube look pretty good, but they are using flat stock. Has anyone tried one of these on a pen? Thanks!

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Michael
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Old 04-28-2016, 06:15 PM   #2 (permalink)
 
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Originally Posted by mecompco View Post
So I find that for around $100 one can get a 1 watt laser engraver from China. The demo videos on YouTube look pretty good, but they are using flat stock. Has anyone tried one of these on a pen? Thanks!

Regards,
Michael
Not sure where I saw it but you can engrave the round surface of a pen as long as you don't go too close to the edge.
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Old 04-28-2016, 06:37 PM   #3 (permalink)
 
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So I find that for around $100 one can get a 1 watt laser engraver from China. The demo videos on YouTube look pretty good, but they are using flat stock. Has anyone tried one of these on a pen? Thanks!

Regards,
Michael
Not sure where I saw it but you can engrave the round surface of a pen as long as you don't go too close to the edge.
That is precisely what I was wondering. You have to focus the laser on the work piece, so I would think that engraving a name, for instance, on a pen would lose resolution as the focus point moved due to the rounded surface.
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Old 04-28-2016, 07:00 PM   #4 (permalink)
 
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I had thought of a hack where you put the pen on a mandrel and then come up with a way to press it against the platform. As the platform moves back and forth it rotates the pen so you can go all the way around.

Might need to mirror the image since up is down.
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Old 04-28-2016, 07:04 PM   #5 (permalink)
 
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That subject comes up on here every so often. Not heard of any results, but many ask about it. The ones at that price use a laser diode, not a laser tube. Are you sure you can focus it? The one video I saw, it burns one pixel at a time. If you buy it, please post the results so there is a reference on the site. The smallest wattage of a typical laser engraver is 25 watts. Most folks use a 60 watt or higher if they are cutting the inlay kits. The one you saw is really on the verge of being a toy. Tiny stepper motors, tiny work surface, even more tiny laser source. Also if you get it, wear laser protective eye care. With no enclosure around it, a reflected laser source can hurt your eyes.
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Old 04-28-2016, 09:02 PM   #6 (permalink)
 
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could you post a link for youtube demo?
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Old 04-29-2016, 04:34 AM   #7 (permalink)
 
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The model is NEJE DK-8-KZ, from GearBest: Online Shopping - Best Gear at Best Prices. In the demos, they are engraving wood and making smoke. They show having to focus the laser and the wearing of protective eye wear.

Here is one video, there are a few others.

https://www.youtube.com/watch?v=2XSc9q_qwp8
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Old 04-29-2016, 09:28 AM   #8 (permalink)
 
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For the price a 1 watt laser is worth the risk, it supports windows 10 and it's portable. 1 Watt or 1000mw should be enough to overcome the small curve of the pen, but as in all engravers, the top side will be deeper than the edges. I fill the engraving with acrylic paint from my daughters art kit, looks great.

This 5.5 W seems interesting but it does not support windows 10 and the board is bought separately, although it may be able to engrave the ruler lines on a piece of plywood. 5500mw A5 Mini Laser Engraving Machine-391.48 | GearBest.com

As my father would tell me "as soon as the frog grows hair" I can have it!

Joey
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Old 05-02-2016, 04:01 PM   #9 (permalink)
 
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I actually purchased one of these and have had GREAT success engraving on slimlines. I'll get some pictures taken and posted of my results. Still learning though. I've found that freshly finished pens do NOT engrave well. The char from the engraving smudges and the finish gets tacky.

As for focusing the laser, I have had mixed results. I pretty much eye ball the precision. Text seems to engrave better than images. A wider pen, like a Sierra, has more surface to work with. I was surprised at how close I could get to the edges before the detail was lost.
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Old 05-02-2016, 04:45 PM   #10 (permalink)
 
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I actually purchased one of these and have had GREAT success engraving on slimlines. I'll get some pictures taken and posted of my results. Still learning though. I've found that freshly finished pens do NOT engrave well. The char from the engraving smudges and the finish gets tacky.

As for focusing the laser, I have had mixed results. I pretty much eye ball the precision. Text seems to engrave better than images. A wider pen, like a Sierra, has more surface to work with. I was surprised at how close I could get to the edges before the detail was lost.
Keith, thanks, that is exactly the sort of info I was looking for! Please, do, post some pix when you have the chance. Are you engraving in CA covered wood, Acrylic, both? Text is pretty much what I'm interested in.

Regards,
Michael

PS: Could one engrave on bare wood, then apply the finish?
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