Want to start working with lasers? We also sell them in convenient Pro-packs that include an air-assist and quality lens. Tubes can be bought online for around $100-$200. So you still want to buy a K40? still in box unwanted gift. 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. K40 laser brand new. The K40 can be tweaked to slightly increase cutting area. £15.20. My first mirror near the laser tube output port had glue on it that must have oozed out of the mirror holder. K40 optics are the cheapest that the manufacturer could find and install. Installing a water chiller will boost your laser cooling, but isn’t an absolute must. 2x 40W laser cutters for sale - plus accessories. 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. Free P&P . These complexity and awful user experience of this software/hardware has spawned an industry of third-party products. 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”.. I am on a mission to make my Chinese K40 Laser Engraver work like a much more expensive USA name-brand machine. or Best Offer. Below Is a rough outline of the capabilities of a Co2 K40 Laser Cutter from my experience. All prices $USD. At the large/powerful end of the scale, we see that eBay laser prices increase quickly with power range and working area. With all this in mind, I finally decided to jump in and get a K40 laser. My experience with a stock K40 is that it’s not really designed for mass production runs. Upgrading the exhaust fan is a nice to have. 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? 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 ! 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. Last one was great value and was sold with my business. Laser engraved pens area quick and easy gift idea to get you started with your k40 rotary attachment 130 Watt laser on eBay. English; Svenska Consider installing an ‘air assist’ fan, to keep your lens free of cutting dust. Also look out for commentary on quality and broken items. $410.99. 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. brand new never been used. Let’s be clear. Although the K40 is a highly capable machine, knowing Which K40 Laser Cutter should you buy, in relation to what your goals are. FREE Shipping. Is the K40 laser machine plug-and-play? AU: in stock, 2 product ratings - Preenex K40 40W 12" × 8" CO2 Laser Engraver Cutter Engraving Cutting Machine. Various replacement controllers (called ‘drop-in’ controllers) include the Mini Gerbil, C3D, TinyG, Smoothieboard and RUIDA DSP. Last one. 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. 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. 21 watchers. Mine had a coating that came off while cleaning it with alcohol. 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. 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. So check it out and get a refund if yours is suspect. Where to Buy Genuine K40 Products. These tweaks avoid up to $1000 USD extra for a larger frame. Replace the cheap mirrors with proper MO or SI mirrors. Both machines are functioning. 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”). jigsaw with laser; Item Details. Is a China laser also the right laser for you? The lifespan could be compromised in instances such as setting your laser power too high or letting … Rather than advise you on the details, the best thing is to have your friendly electrician review it to ensure it’s safe. For starters, it’s probably best you have these questions ready before you open your wallet. 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. The Chinese PVD material used for the lenses are just too dark and under perform. 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. It’s cheaper to buy upfront if you’re going to invest in an upgraded controller to replace it anyway ! I quickly realized after the first run which took 15 minutes that this project was not viable with a stock K40 Laser Cutter. 60 Watt laser on eBay. Laser Cutter K40 2020 Upgrade 40w Lazer: Condition: New. EU: out of stock till mid Jan, That’s not to say it was easy from day one. Here is another type of k40, with digital panel. No, it needs attention and can be very dangerous to turn on without checking it over before starting to … 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! 99. Check out our Mini Gerbil controller. 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. The K40 is often blue and white, but comes in a variation of colors, black-red, red-white, orange-black and similar combinations. As implemented on the K40, both are… let’s say poor. 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. + 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. More power sounds good, but be aware that for subtle gray scale engravings, too much power can be problematic. 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 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. 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. Free shipping. Free returns. Getting more power costs dearly, so the K40 is great value for most of us. 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. 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. The blue snake exhaust pipe is paper thin but usable. You probably think: “Do I really wanna buy a K40?” Sounds recognisable? Which K40 laser to buy? 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. 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. Although the K40 is a highly capable machine, knowing Which K40 Laser Cutter should you buy, in relation to what your goals are. Cutting speeds (for 3mm MDF) are 13 mm/s and 18mm/s. Questions and answers Log in or sign up to ask a public question. Whilst my first purchase was a digital display, I would only have one recommendation as to why I purchased a digital display for my K40 Laser Cutter…..accuracy. $529.99 $ 529. 50 Watt laser on eBay. 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. Never rub lens clean, simply drag a clean cloth over the surface. 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. They all work and have various options and price classes. If you are wanting to be cutting materials with your K40, expect to have difficulty with materials such as steel and hard metals. Every day you’ll find new, online-only offers, store discounts and the opportunity to save even more by collecting coupons. 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. any questions feel free to ask. 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 $$. I can carry out the following: - perform maintenance - fix any ongoing issue - install additional features - change the software - create a slicer profile - and ma McLaren Chicago Showroom 645 W. Randolph Street Chicago, IL 60661 United States. Costs increase with larger frame sizes and higher speed controllers. Buy and assemble a CNC machine on which a laser is mounted. It can skew the gantry, and you don’t want that. Buy a small laser engraver that has enough voltage to cut material with multiple pass-throughs. Here’s a good post on hackaday. I am planning some serious upgrades to the unit I purchased and some fun projects. Territory: … For sale Laser Cutters For sale x2 (plus Accessories). Get started with the easily modifiable K40 laser cutter, and upgrade as you go! USA: limited stock, Email: chris.marshall@mclarenchicago.com. This question is a bit more difficult to answer. Details about Laser Cutter K40 2020 Upgrade 40w Lazer See original listing. Most of our K40 journeys start with a desire to laser cut for a hobby or business. My exhaust fan motor was broken and I replaced it with a PC fan. 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”. 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. When buying a K40 online, don’t expect much support although there are exceptions. Buy the best and latest k40 laser cutter on banggood.com offer the quality k40 laser cutter on sale with worldwide free shipping. Check for broken, dirty optics. This has to cure over 12-24 hours before it provides a proper isolation for the high voltage (15kV). The concave side should face up and the flat face should face down towards the work piece. Be aware that you can’t solder those wires on the steel terminals! K40 Laser Cutter – the cheap Chinese hobby laser cutter. 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.