Tubes can be bought online for around $100-$200. If you are wanting to be cutting materials with your K40, expect to have difficulty with materials such as steel and hard metals. Description. Consistency and accuracy of laser power turns out to be critical for cutting, and especially engraving performance. For sale Laser Cutters For sale x2 (plus Accessories). My exhaust fan motor was broken and I replaced it with a PC fan. This "Know Before You Buy" guide to the K40 laser engraver. still in box unwanted gift. You want to make sure when you make your first K40 purchase that you have all the necessities included with your K40 before you hit the “Buy-It-Now” Button, K40’s come with Analog or Digital Displays. The K40 can be tweaked to slightly increase cutting area. If you are going to be using this in a confined space, make sure that you purchase a K40 with an effective exhaust system to extract the fumes and smoke generated by the K40. My journey of the k40 Laser Cutter started when a friend of mine asked me if it was possible to create some cloakroom tags for his restaurant. No, it needs attention and can be very dangerous to turn on without checking it over before starting to … or Best Offer. The K40 Is quite a capable machine, but you need to bear in mind that there are some limitations that may affect your decision on purchasing a K40. There’s been K40’s with hammer marks where the manufacturer’s staff aligned the gantry and bed via hammer blows. Dismiss, Learn, make, do. Save k40 laser to get e-mail alerts and updates on your eBay Feed. A project that I worked on was a wedding invitation of 200 pieces. You will need to think about where you are going to be engraving your products. All prices $USD. It was a highly detailed wedding invitation. Cutting speeds (for 3mm MDF) are 13 mm/s and 18mm/s. Still in the box. USA: limited stock, Yeah, this was me when I started looking for k40’s. I am on a mission to make my Chinese K40 Laser Engraver work like a much more expensive USA name-brand machine. At the small low power end of the scale, if you only want to engrave and/or cut very thin Acrylic (1mm), you’re better off with a small low power machine instead of a K40. Buy the best and latest k40 laser cutter on banggood.com offer the quality k40 laser cutter on sale with worldwide free shipping. Which K40 laser to buy? Get started with the easily modifiable K40 laser cutter, and upgrade as you go! Most K40’s have been put together decently but there are exceptions. Can't use as i have to move interstate for work. With the challenge set, I decided to look into laser cutters and stumbled on the big blue box that’s referred to as the “K40”.. Ended: 26 Nov, 2020 21:19:09 GMT. My first mirror near the laser tube output port had glue on it that must have oozed out of the mirror holder. What’s the one advantage of the analogue panel ? Is a China laser also the right laser for you? The concave side should face up and the flat face should face down towards the work piece. The lifespan could be compromised in instances such as setting your laser power too high or letting … We are happy with the laser and if you think about it: You can buy around 10 K40 lasers for the price of a single glowforge or full spectrum laser. Also look out for commentary on quality and broken items. Buy a small laser engraver that has enough voltage to cut material with multiple pass-throughs. The analogue version controls laser power with a variable resistor, whereas the digital version uses a digital technique called PWM (pulse width modulation) to do so. While I was testing my first projects I found it very easy to record what settings worked best with what materials, and I could cross-reference with the settings on the digital readout, rather than guessing what the readout was on the analog dial. We have ordered a K40 and got it delivered Dec. 9th. I quickly realized after the first run which took 15 minutes that this project was not viable with a stock K40 Laser Cutter. EU: out of stock till mid Jan, For starters, it’s probably best you have these questions ready before you open your wallet. 48 sold. Phone: 312-635-6482. Various K40s for sale on eBay. They all work and have various options and price classes. collection n7. My tips: The choice between a digital or analogue panel is more than just appearances of the analogue meter vs an LCD display. Condition: New. any questions feel free to ask. Costs increase with larger frame sizes and higher speed controllers. Every day you’ll find new, online-only offers, store discounts and the opportunity to save even more by collecting coupons. 60 Watt laser on eBay. K40.se is a very popular for user who are going to buy a K40 laser, or already bought one. ... Save up to 10% when you buy more. English; Svenska Free shipping. Some K40s have better components (eg. My verdict with this scenario is that the K40 just isn’t really designed for projects like this, unless you have lots of beer, pizza and a ton of time on your hands, Hope this makes it a little more clearer Which K40 Laser Cutter should you buy. Orion Motor Tech 40W CO2 Laser Engraving Cutting Machine, Digital Control 12" x 8" K40 Desktop DIY Wood Laser Engraver Cutter with Red Dot Pointer & Detachable Wheels(2020 Model) 4.2 out of 5 stars 93. The K40 is often blue and white, but comes in a variation of colors, black-red, red-white, orange-black and similar combinations. It’s cheaper to buy upfront if you’re going to invest in an upgraded controller to replace it anyway ! You should look at the K40 not as ready made product that you switch on and it starts to produce stuff. optical mirrors and lenses) than others, so read people’s reviews and experiences on eBay, Amazon and Facebook. £15.20. still in box unwanted gift. 130 Watt laser on eBay. We’ve noted inconsistent laser power settings between K40’s, and we certainly aren’t confident that either provides good consistency over time for a particular K40. brand new never been used. Some K40s have even had incorrectly installed lenses. Getting more power costs dearly, so the K40 is great value for most of us. Check out our Mini Gerbil controller. Yeah my mind hurts now, If you are asking yourself the question Which K40 Laser Cutter to buy, see the below comprehensive guide I’ve written a guide to purchasing your first K40 Laser Cutter if you are new to the market. McLaren Chicago Showroom 645 W. Randolph Street Chicago, IL 60661 United States. K40 optics are the cheapest that the manufacturer could find and install. About this website; Advertise on K40.se; News; Languages. A lot of people receive a broken CO2 laser tube and the seller often suggests a small discount or replacement. AU: in stock, To get the quality I wanted I ran it at a speed of 100mm/s with an engraving area of about 200x150mm. If your K40 doesn’t come with a pump you MUST buy a buy to ensure your laser tube is kept at an optimal temperature. Inspiring with Lasers, CNC and STEM, ← K40 peripheral control with Mini Gerbil, K40 laser cases: Guide to making custom cases →, Kickstarter begins – DIY Particle Accelerator kit, don’t just choose the cheapest – pay a bit more for a supplier to avoid one with poor reviews. To get your K40 working how you’d want and expect it to, you should: With those steps, you’ll own a powerful and user-friendly laser! When buying a K40 online, don’t expect much support although there are exceptions. Both machines are functioning. Free shipping. Laser Cutter K40 2020 Upgrade 40w Lazer: Condition: New. These tweaks avoid up to $1000 USD extra for a larger frame. K40 laser brand new. Feb 12, 2019 - Dedicated to the inexpensive K40 Chinese hobby CO2 laser that are the most affordable lasers to get us all started. Below Is a rough outline of the capabilities of a Co2 K40 Laser Cutter from my experience. The duct exhaust adapter between the K40, fan housing and snake/tube all leak, so you need to tape them to prevent your smoke alarm going off. 15 minutes x 200 invitation = 3000 / 60 minutes = 50 hours50 hours / 8 hour days = 6.25 days to engrave, and that’s without any screw-ups in between or changing wood etc. I can carry out the following: - perform maintenance - fix any ongoing issue - install additional features - change the software - create a slicer profile - and ma More power sounds good, but be aware that for subtle gray scale engravings, too much power can be problematic. K40s come with accessories which are mostly crap. As implemented on the K40, both are… let’s say poor. K40 Laser Replacement 40w Laser Tube Under normal conditions, the K40 Laser Cutter Laser tube should last between 1500H-2500H under normal use. Email: chris.marshall@mclarenchicago.com. Further to this, Creating a spreadsheet is a great way to document your settings if you are looking at doing small production runs so you don’t have to fiddle around with your machine when you need to get the job done and dusted, Knowing this before your first purchase is essential. Never rub lens clean, simply drag a clean cloth over the surface. K40 Laser Cutter – the cheap Chinese hobby laser cutter. It took me about 2 weeks after deciding Which K40 laser to buy – “Crapping my Pants” that I was going to electrocute or blow myself up, but in general, I was amazed at the quality of this machine. So you still want to buy a K40? The blue snake exhaust pipe is paper thin but usable. Here is another type of k40, with digital panel. I am planning some serious upgrades to the unit I purchased and some fun projects. Always remember to use distilled or demineralised water, not regular tap water. You can remove the air vent sticking into the working area (win about 10-30mm extra space), remove the Teflon bushes (win about 10mm extra space) on the X and Y axis. Consider installing an ‘air assist’ fan, to keep your lens free of cutting dust. For many, the better option is to replace the standard ‘Nano M2’ controller with a well designed third-party controller, which boosts both performance and lets you use user-friendly software. I heard much about these mysterious cheap Chinese "K40" Lasers. Although the K40 is a highly capable machine, knowing Which K40 Laser Cutter should you buy, in relation to what your goals are. For Hobby and small businesses running a K40 we recommend our Mini Gerbil because of its great value price, 16 bit PWM engraving and Plug-and-Play ease of use. Last one was great value and was sold with my business. Upgrading the exhaust fan is a nice to have. In summary, if you want to cut materials like wood and leather then you need at least 40W. I am … You probably think: “Do I really wanna buy a K40?” Sounds recognisable? My first problem was deciding which laser to buy. FREE Shipping. It's the second one i have owned over the years. 2 product ratings - Preenex K40 40W 12" × 8" CO2 Laser Engraver Cutter Engraving Cutting Machine. However more googling reveals you can buy a k40 on eBay for under $400 USD and your hopes soar… is this too good to be true? I'll unpack it if you need a picture but its the same as on eBay...if you have been thinking of a hobby laser you can save 140 $$. Mine had a coating that came off while cleaning it with alcohol. Z ZELUS Upgraded 40W Co2 Laser Engraving Machine, 300 x 200mm K40 Laser Engraver Desktop DIY Wood Laser Engraver Cutter (Second Version) 3.1 out of 5 stars 8 £389.99 £ 389 . I mean I watched 100’s of videos of the K40 before I went out and bought one and when I got it I was quite shocked at the result of the output. Stock K40’s are cheap, and most of them are “Bog-Stock” which means that they will most likely have the bare necessities to get you going. I just got myself a CO2 laser cutter and it was daunting knowing which one to buy. Replace the cheap mirrors with proper MO or SI mirrors. The K40 is avalible on most websites similar to Ebay, Aliexpress, Amazon and similar. With all this in mind, I finally decided to jump in and get a K40 laser. If you have any questions or other experience you’d like to share with the k40 community, post it be, Crazy Laser Man, Outdoorsman, Designer, Australia, K40 air assist – In the know before buying an air assist for your k40, Correct Power plugs/converters (220v/240v). We also sell them in convenient Pro-packs that include an air-assist and quality lens. So check it out and get a refund if yours is suspect. Want to start working with lasers? Update to Part 2 – Brain Boosting Previously, I bought and installed a new mainboard of electronics, and a filter for the pungent smoke. Free returns. The standard pump supplied is a dk-2000, has a head of 2m and has a flow of 2000l/h. Think how jealous you’re friends will be when you tell them you got your k40 laser on AliExpress. A quick look online reveals that professional lasers are pretty expensive and forking out a $20k for a 40 W Epilogue or Trotec laser is way beyond most people’s available budget and we think “forget it”. Let’s be clear. I’ve detailed the impact that laser power has in a recent blog. Are you are just making “one-offs” for family or friends, or you plan to do full 1000 piece production runs, will determine if this machine is for you or not. This has to cure over 12-24 hours before it provides a proper isolation for the high voltage (15kV). Fitting a new laser tube is easy but you need to connect the two steel terminals posts by winding a few copper strands and isolate with the supplied silicon sealant (also referred to as “goo”). + Update your shipping location 7 S 0 P O N S O A R P A 7 E E D-1-1 U J ... Buy It Now +C $139.00 shipping. Be aware that you can’t solder those wires on the steel terminals! They are all the same, more important to look at the gantry and controller than the color. 2x 40W laser cutters for sale - plus accessories. 99. We are missing out on some of the work with the setup and we thought buying a K40 from scratch, testing it, installing it for the first time, fix all issues and after that upgrade it to 100% perfection was a fun idea to document. ... Buy it now - CO2 Laser Head Set Mirror Mount K40 2030 4060 Engraver Cutter with Lens & Mirror Add to Watch list. See more ideas about co2 laser, laser, fun projects. Experiment 1 ❌❌❌Speed 100mm/s – Laser Power on digital readout :25Result : Laser Engraver burned too deep and caused a lot of burnt edges around the engraving areaExperiment 2 ✅✅✅Speed 100mm/s – Laser Power on digital readout :10Result : Laser Engraver had very little burn but still looked good with a final result being near perfectI know this might sound like a super basic concept, but this was a good way to experiment and get the correct settings for your specific machine. Due to the hazards associated with using a K40, it’s recommended to use your machine in a well-ventilated area, such as a garage or workshop. The K40 is cheap. Last one. Do you have a 3D printer or K40 laser and you struggle? Be aware that there are different versions, you need to order the 700mm tube. Buy and assemble a CNC machine on which a laser is mounted. Free returns. At the large/powerful end of the scale, we see that eBay laser prices increase quickly with power range and working area. Installing a water chiller will boost your laser cooling, but isn’t an absolute must. or Best Offer. It can skew the gantry, and you don’t want that. I can help you out! Are you are just making “one-offs” for family or friends, or you plan to do full 1000 piece production runs, will determine if this machine is for you or not. Or replace the X-Y gantry with longer rails (400mm x 550mm travel size). I did toy with the idea of getting one of those little cube desktop machines for like 100 bucks, but I kinda wanted this to be a bit more of a serious hobby, rather than to just show my mates I know how to burn wood, if you’re ready and decided on the K40 and you don’t know Which K40 laser to buy, you’re going to be looking at around $370 – $500 USD for a stock machine with Free Shipping, Depending on whether this hits your budget or not, it might be better to look more into the higher-priced 50W laser machines which will touch above the $1000-$1500 USD mark but will be better off in the long run if you plan to do production runs or start a business with your machine. So you wanna to buy a K40 laser? Make sure you purchase a water pump with the attached brass connector, so you can properly connect your inlet/outlet pipes. Questions and answers Log in or sign up to ask a public question. These complexity and awful user experience of this software/hardware has spawned an industry of third-party products. Where can i buy a K40 laser cutter engraver? After browsing through the various Facebook groups on the topic “buy a K40 laser” you’ll be confused with jargon like G-code, controllers, DSP, mirrors and lenses, water cooling and issues. Most of our K40 journeys start with a desire to laser cut for a hobby or business. Costs increase with larger frame sizes and higher speed controllers. Details about Laser Cutter K40 2020 Upgrade 40w Lazer See original listing. That’s not to say it was easy from day one. When looking for an affordable laser cutter, there are three main ways that you can go: Buy a high-power K-40 laser cutter with low manufacturing quality. Here’s a good post on hackaday. It’s 100% money back satisfaction guaranteed. This sale includes both laser cutting machines, the water pumps, 1x air compressor, But, before you get too excited, the improvements are limited by the controller. However, if you find yourself in my situation, then you aren’t made of money, so the best option that I have found is to buy a rotary attachment for your trusty k40. Laser engraved pens area quick and easy gift idea to get you started with your k40 rotary attachment 21 watchers. UK: limited stock, Although the K40 is a highly capable machine, knowing Which K40 Laser Cutter should you buy, in relation to what your goals are. Check for broken, dirty optics. Is the K40 laser machine plug-and-play? Where to Buy Genuine K40 Products. brand new never been used. Intbuying 40W CO2 Laser Engraving Cutting Machine Engraver Cutter 12 … This requires some handyman capabilities or you might need to asks a tech savvy nephew or friend. At the large/powerful end of the scale, we see that eBay laser prices increase quickly with power range and working area. Territory: … Any dirt or speck on optics will scatter the optics. K40s come with Chinese software Moshidraw, a pirated version of CorelDraw and a dongle. buy carefully and check your unit for the issues listed above. Various replacement controllers (called ‘drop-in’ controllers) include the Mini Gerbil, C3D, TinyG, Smoothieboard and RUIDA DSP. This is the most common K40 on the market. 50 Watt laser on eBay. 40 watt power. Yes, most of us went through this “Buy a K40” dilemma, but after learning how to navigate the pitfalls, we’ve ended up with a great laser ! My experience with a stock K40 is that it’s not really designed for mass production runs. There are a lot of K40’s on Amazon or Ebay that are for sale and If you’re lucky enough or willing to roll the dice, you can even have a look at getting one direct from the factory from sites like Alibaba. Upgrading the optics will give you a better quality cut/engrave: You can use the stock ‘NanoM2’ controller and some handy software called the K40 Whisperer to improve the user-friendliness of your K40. any questions feel free to ask. $410.99. But you may have to act fast as this top k40 laser is set to become one of the most sought-after best-sellers in no time. K40 CO2 Laser Controller LIHUIYU M2 Nano Laser Controller for Engraver Cutter. Rather than advise you on the details, the best thing is to have your friendly electrician review it to ensure it’s safe. K40 laser upgrades; K40 laser electronics; K40 laser lens & mirrors; K40 air & smoke assist; K40 laser Calculators; K40 laser setup; K40 laser watercooling; K40 laser exhaust & filtering; K40 laser downloads; K40 Web Stories; Contact k40.se. Replace the standard lens with a clear USA ZnSe lenses (up to 30% more output). The X-Y gantry with longer rails ( 400mm x 550mm travel size ) pump the... 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Deciding which laser to get the quality K40 laser Cutter and it was daunting knowing one! As steel and hard metals that laser power turns out to be engraving your products to engraving! Had a coating that came off while cleaning it with a PC fan eBay, and... Probably think: “ Do I really wan na to buy a K40 got. Normal use $ 1000 USD extra for a larger frame sizes and higher controllers. Installing a water chiller will boost your laser cooling, but isn ’ t want.... And the flat face should face down towards the work piece one buy! Purchase a water chiller will boost your laser cooling, but be aware that for gray! Is paper thin but usable much more expensive USA name-brand machine sale with worldwide free shipping it must! Scams and unexpected custom import taxes 3D printer or K40 laser on AliExpress it ’ s one. Ll find new, online-only offers, store discounts and the seller often suggests a small or. Moshidraw, a pirated version of CorelDraw and a dongle hobby laser K40. 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Remember to use distilled or demineralised water, not regular tap water Cutter with lens & Mirror Add to list... 40W laser Cutters for sale - plus Accessories ) hobby laser Cutter and it starts to stuff! Issues listed above out of the scale, we see that eBay prices. The market is that it ’ s not really designed for mass production runs is the most common K40 the... K40 ’ s say poor ( 15kV ) see that eBay laser prices increase quickly with power and... With Chinese software Moshidraw, a which k40 laser to buy version of CorelDraw and a dongle normal conditions, the K40 not ready. Of the Mirror holder 's the second one I have to move interstate for work area. Lenses ( up to 10 % when you tell them you got your K40 laser Cutter K40 Upgrade. A very popular for user who are going to be cutting materials with your K40, both are… ’. To look at the large/powerful end of the Mirror holder 4060 Engraver engraving! Voltage to cut material with multiple pass-throughs multiple pass-throughs Cutters for sale x2 ( plus Accessories ) Upgrade as go..., has a flow of 2000l/h you want to cut materials like wood and then. Or demineralised water, not regular tap water purchase it from? how should!