I used a small wood block of the same height as the resin level to focus the laser (very important to get the most focused laser spot when using this laser). In my experience the software provided for the device would have been optimized for it. You are burning the paint away, leaving a negative you can etch, much like toner transfer methods. There’s an excellent reason the DK-8-KZ is limited to such a small and specific range of motion: both the X and Y axis of the device are riding on hardware reused from optical drives. I purchased a 5-10nm 405nm one on Ebay for @ $10. Now if I could add a Z axis to make a true 3D printed plastic object. — Set burning time and control engraving. I have a general question about laser cutters. Damn! to make small ornaments/pendants/etc. Posted on 06.09.2020 (08.09.2020) by George Fomitchev. My guess is the quality is superior to anything you will get with this technique. Menu. Search. The NEJE is a 1000mw 405nm laser with a X and Y axis movement. Mine arrived today, B^) I know I’m dated but I’m just getting into the laser engraving game, I started out with a NEJE DK-8-KZ 1000MW, then quickly purchased the kkmoon laser engraver 3000MW, both were impulse buys, I’m now looking at the co2 models but they seem too be a lot of mess, and extra stuff basically all I’m looking too do is engrave maybe try other thing but nothing really big. With 2.5w cutting up to 1/4″ basswood is possible with multiple passes, as is engraving glass (matte paint on backside, engrave through glass, paint ablation performs engraving) using TTL grayscale engraving is tricky but possible. Laser Engraver Bed Grid: I recently bought a NEJE DK-8-KZ laser carver. NEJE_V5.2.exe — 2020.6.12-Optimize positioning function, optimize software experience, ... and avoid the displacement of the bottom plate or laser during the operation. ), Made me laugh crying too. Cart 0. yes, power and movement speed can be adjusted. I just searched eBay and didn’t find any under $69.99, https://www.ebay.com/sch/i.html?_from=R40&_nkw=NEJE+DK-8-KZ&_sacat=0&_pgn=2. Update for neje laser engraver software download. You need to manually focus the laser onto the object you’re working on, as the focal point needs to be as tight as possible to get a good burn. Or it just does not work that way… ? There … Because you don’t care if the webcam goes blind. Sale price $175 00 $175.00. The engraver works great for wood, plastic, leather and paper. The NEJE DK-8-KZ does come with a disc that has drivers and software for the device, but I promptly threw that in the trash. There’s also a setting for how long you want the laser to burn for, which becomes important when dealing with different materials. Only US$190.77, buy best neje master 2 upgraded 3500mw diy laser engraving machine cnc wood router laser engraver cutter printer print logo picture laser engraving machine sale online store at wholesale price. Anyone have some advice? https://openstax.org/books/university-physics-volume-3/pages/1-introduction, Please be kind and respectful to help make the comments section excellent. That listing is for a replacement laser for that machine, not the entire assembly. 3D print with your NEJE laser engraver. I’ve been looking at the PCB making process, and the consensus seems to be that ablating pure copper is not going to work because the copper acts as a giant heat sink and also has a tendency to reflect back into the laser which is bad. LaserGRBL is able to load and stream GCode path to arduino, as well engrave images, pictures and logo with internal conversion tool. When I used laser / paint PCB etching methods, I’d rub the surface with a little bit of toothpaste to get the excess powder and material out of the grooves. it looks like a nice kit but the price kills it. Plastic cap is filled with black pigmented 3Dresin. Probably the biggest issue I found with the NEJE DK-8-KZ is the quality of the optics. It’s open source and works on Linux, Windows, and OSX. I’m kind of reminded of a kitchen full of various specialized cooking appliances. Which version to download? Which is fine; getting the cost down and availability up is the key to turning a niche piece of technology into a mainstream tool, and the more people with 3D printers at home or in their workshop the better, as far as I’m concerned. Although it could be said that this is more than half-way to the toner transfer method anyway, make some all-black pages on a photocopier to avoid the need to have your own laser printer and use an iron to transfer the toner over to the PCB. It isn’t perfect, but once you get used to the quirks the results speak for themselves. But what if you just have some regular copper clad board? There are 10 left. For example, they are great to take to trade shows/etc. neje-laser-upgrades. But more practically speaking, I don’t have a Windows computer anymore so it wouldn’t have done me any good. If so, is the edges get burning marks? I intend to slice it into disks, and make them into “wooden nickels” for an upcoming event. The software that is included with is easy to use and allows for control of scale and laser burn time. Will the 3000mW laser do a better job with etching than 1000mW? We currently support most Ruida, Trocen, TopWisdom, and GCode based controllers. LaserGRBL is one of the best Windows GCode streamer for DIY Laser Engraver. Do they have a lower power setting that allows them to act as engravers? The laser burn time was too long and the two samples turned into two solid plastic blocks. March 1, 2018 by Tom Nardi 97 Comments . You need to be able to quickly blast the top surface off, which rapidly increases the absorptivity, yielding higher energy transfer and the hole gets deeper. It engraved the first few mm of the image and then just stuck on a line…. NEJE Laser Engraving has 3,436 members. https://www.ebay.com/itm/NEJE-DK-BL1500mw-3D-Laser-Engraver-/272835753604?_trksid=p2385738.m4383.l4275.c10, Thats a spool of filament. A laser power level of 60 was too much. He found the cheap price from the “list of options with something cheap to get up in the results scam”, I just purchased a 3000mW unit from eBay Australia for $59 Aud. I assume there’s a hitch somewhere. This is the best paper by far for toner transfer I’ve ever used. In fact, it’s specifically sold as an engraver. Plus, if I’m being totally honest, I wanted to start on something on the lower end of the power spectrum because I’m terrified of blinding myself. It is a low cost device aimed to novice users, and, as such, it does not use gcode. @macegr: Meh! Google pl2303 fix. Posted in Laser Hacks Tagged co2 laser, dc laser, engraving, ... Maybe “add” one of the .5 or 1 Watt lasers the NEJE engravers use to the K40 for engraving? Etched contact details into the fake leather of a phone case (warning: toxic and corrosive gas, use an extractor). System: Win xp\7\8\10 , android, iOS, Mac OS. Reply. https://www.dx.com/p/adjustable-focal-laser-wood-kits-for-neje-dk-8-kz-bronze-2074700.html#.Xvt69yhKhhE. So any idea why there’s a battery in there? Not to say it could be called substantial by any stretch of the imagination, as it stands just under 8 inches tall. Sorry I missed that you guys. Generally, no. On one hand that means it’s convenient to toss up on the shelf when you aren’t using it, but the reality of the DK-8-KZ’… NEJE laser-engraver control-software with extended Functions. Question: Obviously for certain materials, certain metals for example, I imagine this simply wouldn’t apply– The thermal dissipation of the material would simply be too high. Solar Flares And Radio Communications — How Precarious Are Our Electronics? Now I could loosen the two hold screws on the strong laser and substitute the weaker laser in its place. ), The $69.99 has $22+ for shipping, while one for around $73 has free shipping…, I found it for $17, at that price it’s worth the potential scam, only 3 left though. Man, that’s a tiny heat sink. http://electronics.onebeartoe.org/3d-realization/laser/engraver/neje/engrave/. My 0.5W has one thats almost 1.5×1.5×3 inches big, not that tiny 0.4 inch mess. I wonder if combining chemical etching with the laser would work. | Shopping India It is so simple to get a photosensitized board and print the traces on transparencies with a laser printer, why go to all this trouble? for example it would connect to my printrbot by using the fan header to control the laser. Supported GCode controllers,include Grbl, Smoothieware, Grbl-LPC, and Marlin. Ask Hackaday: What’s In Your Fastener Bin? Posted in Laser Hacks, Tool Hacks Tagged 3d printer, laser, laser cutter, laser engraver Spring-Loaded Bed For K40 Laser Acts As An Auto-Focus … The Neje Laser engraver seems to be a very cheap laser engraver . But there’s still a few things that need mentioning if you decide to walk down this path. Then i read he´s terrified of getting blinded by lasers, so he buys a cheapo 1W engraver WITHOUT ENCLOSURE. If you can get the beam right, UV laser + UV cure resist is a great technique for the quick and dirty. If you own an Ortur, Eleksmaker, CNCC Laseraxe, Neje, Insma desktop engraving machine, or a SainSmart Genmitsu CNC frame you can easily upgrade it with Endurance accessories. No worries mate! I’ve burned paper, cardboard, wood, and plastic with excellent results. I need to know what I’m buying, can you make it simple??? I bought some LBT 100 metal marking spray, I adjusted the laser inside to different strengths and still don’t know what to do Anyone’s input would be greatly appreciated. There’s no end-stop switches as you might expect, and instead the firmware simply runs the motors backwards for 20 seconds or so; making a terrible grinding noise every time you turn it on. This isn’t a huge deal with how common 5 V USB power adapters are (I’ve got a whole box of them), but seems pretty sloppy. You can use it for home DIY projects, customizing accessories like phone cases, jewelry or labeling awards, trophies and more. Of course, the real question with something like is how well does it actually burn. It even has a command line interface if you don’t want to use the Qt front-end. Pimp up the "neje" style engraver to expose UV sensistive PCB. https://www.amazon.com/HP-Premium-Presentation-Glossy-8-5×11/dp/B003KU4DSW. Connecting laser Install the X-axis assembly Screw on Connecting the x-axis motor Fix the laser line with a cable tie complete Don't forget to connect the power supply and connect the usb cable to the computer. If you have any input for this part to I would appreciate any info you may have. Sale price $159 00 $159.00. The NEJE DK-8-KZ is such an old hack that if somebody sent it into the tip line as their own project, we’d ask ourselves if we wanted to run yet another CD-sled CNC machine. Eirik Brandal started following Plant Communication Hack Chat. Others just get in the way… I purchased a NEJE laser engraver to make small laser engravings. I’d recommend swapping it with a ch340g or other usb-serial, or pull the Atmega from a spare Arduino and use the comm lines. Just got one of these. Working on my own laser PCB maker as well. Save $5 NEJE Maste 2 3500mW High Speed Mini CNC Laser Engraver for Metal /Wood Router/Paper Cutter/Desktop Cutter. (sigh! View Contest. Expose it with the laser and etch away. Success I now have the ability to make small plastic 2D parts. You found a head only auction, but saw the picture for the whole machine and made an assumption. Dithered image works better, as rails are leadscrew type, resolution of greater than 20 lines per mm is possible. Thank you for the info and your time, Probably the prolific then. It’s possible to run EzGraver as root, like “sudo EzGraver”, but it’s safer to enable access for users. How long do you need to replace the laser? It’s unlikely to be your last laser, but it’s a great choice for your first one. Add Tip Ask Question Comment Download. Some have PWM control, some have TTL to constant current control. (Comment Policy). I purchased a bottle of Makerjuice G+ black pigmented resin to experiment with. Not to say it could be called substantial by any stretch of the imagination, as it stands just under 8 inches tall. Blanks are cheap and fonts a plenty. Menu. Use 3D printer resin and make a solid plastic part. At only 1W, there’s no question this device isn’t going to be cutting a whole lot. NEJE master 2 mini 110*120mm LASER engraver The fastest scanning speed ,The design of large drive motor and lightweight module makes the scanning speed of master2 mini reach the limit of mechanical engraving. All I did was copy and paste the model number from the article and ebay showed up in a search and it said $32 BUT, when you actually choose that model shown in the photo, it is $150. Could you help me out? http://www.tdms.fr/diy/DK-8/, “I tried spraying a scrap of board with black paint, but the laser doesn’t seem strong enough to ablate it away fully. Just a question, is there a replacement lens that would focus the laser to infinity ? I find myself leaning towards the desk top lasers but I’m not sure about the sizes they all look alike, I was going to purchase a neje 3500, but then I seen neje 7000 and a 20w neje master, and you have the 20w neje. It has a small 38mm X 38mm engraving area. Both will polymerize with the 405nm laser on the engraver. The engraver in this listing is 150$, That is “Type2:3D” which is “filament”, if you select “Type1:3D”, it shows “laser” and a price of $149.99 NEJE DK-BL 3000mw laser engraver . Since the included 1000mw laser was too strong to work well I decided to replace it with a lower power one. I dunno a whole lot about it however, it might work with a very thin foil, like much thinner than tin foil kinda thin. That’s not meant to knock it — honestly I’m impressed at what NEJE managed to do with what is essentially e-waste. But given the fact that you can get one of these little guys for around $70 USD shipped, it’s hard to complain. The engraver works great for wood, plastic, leather and paper. Full grbl upgrade with Arduino CNC Shield Videos. The neje laser engraver software download is developing at a frantic pace. No one is trying to burn copper with a diode laser. but I’ll be shoveling snow tonight… – really cheap. They can be made with a .5mm -3mm thickness depending on laser power levels. The trick might be multiple passes with the laser, or even some kind of abrasive or brushing after burning the board to knock off the last little bits of nail polish. Please, could you send me the drivers and software to install the neje8? =), It looks like the latest versions of the engraver have new firmware and a new protocol V4 which isn’t currently supported by the Linux EzGraver :-(. Optical supersizing mod on my low cost laser engraver //hack Choose from over a million free vectors, clipart graphics, vector art images, design templates, and illustrations created by artists worldwide! After burning the matte paint, a little brushing with dish scrubber sponge to remove still attached paint flakes on the burned area, then some drops of 35% hydrochloric acid on the surface. Cart 0. Warning: Do not view laser beam with remaining webcam! “Magnified 250X” needs a scale to be meaningful unless you know how big the image is when it is displayed on my screen. The NEJE is a 1000mw 405nm laser with a X and Y axis movement. Done with this machine to engrave metal, with a matte black spray paint on aluminium sheet. A very easy swap by snapping the new connectors together. Wow, yours sounds a lot different than mine! I cut the leads midway on the NEJE 1000mw laser and soldered a simple two lead connector to it. 9 talking about this. If you’re reading Hackaday you probably want to know if you can use the NEJE DK-8-KZ to make PCBs. do you want a $30 picture and $30 box too? I had much better results using black nail polish, but still haven’t quite found the proper settings to get a clean burn all the way through. They way the make the listing it seems like you’re getting the whole machine, but it’s just the replacement laser. But still, there’s a certain thrill in exploring the cutting edge, and I’ve been looking for something new to get excited about as of late. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. But even if you’ve got that connected, the board needs its own 5 V over the USB connection. 1. Instead, it gets a 500x500 image (according to instructions) or maybe 512x512 image (according to carving software) an… That’s my plan. Which is a shame because the mfg software is horrible. Save $19 Upgrade NEJE KZ 10W 445nm Professional Automatic DIY Dektop Mini CNC Laser Engraver … A plastic cap from a one quart jar was used as the resin holding vat. Search. not reliable. The workflow is pretty simple with EZGraver. Built my current engraver for under $100.. $3 for Arduino Nano clone running GRBL, LaserGRBL software on PC, geekcycled rails (THK) for around 8×10″ workspace, EasyStepper drivers at $3 each, and $59 for 2.5w 450nm Blu-ray including goggles off eBay. I just found this same model on Ebay for $35 and free shipping. I get the impression that a warehouse full of largely-obsolete optical drives was found in China, and somebody had the brilliant idea of using their accurate motion as the basis for a whole line of tiny laser engravers. I’m surprised that “Keeb” heads haven’t picked this up for custom Cherry MX/Alps/Topre keycaps for keyboards. That’s the plan! Unlike other GUI, LaserGRBL it is specifically developed for … How-to’s and resources for upgrading the NEJE (also sold under the HICTOP brand, and others) desktop USB laser engraver to full GRBL compatibility by replacing the electronics. Search. Report comment. I bought one and did some research. This thing isn’t nearly as good as other “cheap” lasers out there, and it doesn’t hold a candle to something like the K40. The NEJE comes completely assembled with safety glasses, software on a mini SD card and two USB cables for power and computer link. Share it with us! cyrexxx liked Jumbo LED circular beacon . Thanks. id have to wire up a mosfet to toggle the laser on and off using the fan signal and then its just a matter of generating the right gcode. I also had some UV Sun Cure 2000 resin. Not sure about the battery you mentioned, (not even sure if mine has one) but I wonder if it would have enough power to run both the laser and motors alone. Sign in or Create an Account. When viewed under a microscope you can see that the laser isn’t completely removing the nail polish, which has hindered my attempts at etching so far. Anyway, my model has a single USB socket, no 5v barrel. yeah, disappointing to not see that called out at all in the article. How to replace the old laser tube! But for $70, I think it’s a pretty great buy. After connecting to the hardware, you load up a 512 x 512 black and white image and adjust the scale and rotation controls as necessary. Since every device has multiple uses I wondered if I could use a 3D resin for a 3D printer to make a plastic part. I have an Anet A8 laying around after getting my CR-10S. (just a power reserve?). One step at a time…. To find another use for equipment you own? Just make sure cutting rate is high enough. Remoticon Video: Basics Of RF Emissions Debugging Workshop, Dangerous Greeting Cards You Probably Shouldn’t Send Anyone, HOPE 2020 Delivers Historic Marathon Of Hacking. There’s a 5 V power barrel-type power connector on the side of the device, for which you need to provide your own AC adapter. So I point it in the distance, say down the garden at a target ? In the course of looking up diode-powered laser cutters, I came across the NEJE DK-8-KZ. NEJE Master 2 Laser Engraver / Cutter . Plugged it into a usb battery and burn stuff. In the past we’ve shown somebody using a very similar device with pre-sensitized photoresist PCBs, so that should work well enough. ;). The machine will automatically reset after turning on the power. Supported Ruida controllers include the RDC6442G/S, RDC6445G, RDC6332G, RDLC-320A, and R5-DSP. Engraving size: 170 X 170 mm. Lastly, while it isn’t a huge deal, I have to bring up how they handled homing the laser. I have the DK-8-FKZ also. Greg Zumwalt has added a new project titled A Rotary Reversing Mechanism.. kristina panos has added a new log for practice backpack. The cheap 2303 chips are just that..cheap. The NEJE DK-8-KZ laser engraver is great for precision engraving on wood, plastic, bamboo, rubber, leather, or to cut paper and foam. So you simply run it at faster speed across the item. The actual printer was $149.99. On white and light fabrication, there may be slightly coloring but peroxide bleach (non chlorine) works in laundry to remove. Application:photo engraving, wood marking, paper cutting, leather cutting, plywood cutting(3-5mm) ... Software: NEJE Android APP, NEJE Scanner, NEJE Wireless APP for iOS, macOS, NEJE Software for windows,Benbox, LaserGRBL with GRBL1.1f, OFF-line. When I got my first 3D printer I was excited, but now that I’m contemplating adding a forth to my collection, I have to come to the terms with the fact that these machines have all the novelty of a screwdriver at this point. “Won’t someone think of the webcams?” :-). Continue reading “Review: NEJE DK-8-KZ Laser Engraver” → Posted in hardware, Laser Hacks, Reviews Tagged DK-8-KZ, EzGraver, laser, laser engraver, NEJE. i think id just get me a diode off ebay, or better yet, the scrapheap, and make my own. (If that works, it’ll be an easier sell with SWMBO -She Who Must Be Obeyed) If you are really concerned, masking tape prevents most discoloration. See if you can find something older!). Retired Bio-chemist, builder of legged robots, robotic projects and 3D printer technology builds. Both the NEJE laser and the new smaller one both have only two electrical leads witch makes for an easy replacement. The laser engraver software for NEJE DK-5 Professional-5 does not require an installation, you can operate it from your SD cards. Hi! That’s why we have webcams. More Courses Events Hackerspaces Profiles Hackaday.com Tindie Marketplace Remoticon. Let’s find out…. —Edit image size, insert text, position engraving area. I found this link http://lokspace.eu/anet-a8-3d-printer-laser-engraver-mod/ where they used an Anet A8 as laser engraver. 【Processors support 2 firmwares】NEJE Master 2 is equipped with 2 processors and can support 2 firmwares at the same time. I am getting the USB not installed correctly and at the device manager it shows the yellow triangle that it didn’t like the device I am suspecting. Depends on your controller. Works best with synthetics, but lasers generally vaporize the material, rather than actually burning them. Pimp up the "neje" style engraver to expose UV sensistive PCB This is currently only a scribble. So, safety first on these things! (Editor’s Note: we tried to find the earliest occurrence of such a device on Hackaday, and came up with this machine. Strapping a Suka-K3 style uv laser on my heavily modified XYZ davinci 3d printer if it all works out ~7″x7″ pcb fabrication space :D Joy of using it on my printer is I get z axis adjustment so I can dial in my focal height nicely if needed with out playing with the lens! B^). EzGraverUi (I mis-wrote ExGraver above) needs to be run under sudo, otherwise it didn’t give me permission to use the USB ports of the laptop to control the engraver. 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