Today we will move away from the popular programs such as Benbox or RIBS and take a closer look at Acan, a less known program for laser engraving. This program is free, runs without installation and has all the necessary functions you need when working with a laser engraver. Section 5 Material Settings Guide This section provides sample driver. Digital fabrication studio with a key focus on laser cutting and engraving. Applied to architecture, furniture and product design. Work/Study AS220 Providence Fab Lab Jan 2013 - Nov 2013 11.
Laser Engraving and Engraver Machines Laser engrave text, logos, and photos on a wide variety of materials including wood, acrylic, stone, metal, and more! We own a large bed Universal LASER engraver. But it won't do any metals at all. And that is because the type LASER used. Ours is a CO2 LASER system and therefore doesn't have the proper LASER frequency to do metals. They make dual LASER systems that have a CO2 LASER and another type used for metal engraving.
I have been working with the laser etcher for a few days now using some wood I picked up from the hobby shop. The first attempt met with failure due to the “unable to burn at less than 100%” issue. After adjusting the power to 100%, it worked great. After upgrading the firmware to 2.2 (verified), I tried switching from B&W to a greyscale image. At 70% power, it started strong but the projected 11 hour completion time was too much so, after about 3 hours and seeing what it could do, I paused and stopped the burn.
This takes me to my current issue.
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Switching back to B&W, I tried another line art based image. Using the same 70% power, the image started but it was a bit too light. I paused, stopped, reset, upped the power to 100% and started again. The image was no darker and actually got lighter as it progressed. Pausing, stopping, trying again. Now, it doesn’t burn anything into the material.
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I have tried refocusing several times but I can’t get the beam to focus any tighter (it barely exceeds the dot on the focusing card). I have turned the work speed down and get nothing. I tried reverting to my original image that worked but nothing. I downgraded the firmware to 2.1 (verified) and maxed out the power but still nothing. All parts work and the laser is shining but it will not imprint anything… not even paper.
I am beyond stumped at this point. Settings, materials and source material that worked previously yield no results. The components move, the laser shines but nothing is burned into the wood.
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Any ideas or suggestions would be most welcome.