Please advise Thank you. Why spend thousands on a laser cutter/engraver when you can spend as little as $350 shipped to your door? About an hour and a half of laser time at 10mA in, the laser suddenly stopped working entirely-no change at all in the amperage dial when it should be firing whether it's from the laser test button or from the computer. K40 Odin With Pipe Air Assist. This bad boy should take the pain out of this problem! Our K40 honeycomb laser bed is a true upgrade for K40 users. checked all connectors (4 blue wires from board to power supply) and all are connected. My new K40 laser will not test fire. 90% of the errors in laser machines are not skewed or non-square gantrys, it´s bad alignment of the three mirrors in the machine not lining up with each other. Sure it’s not as nice as those fancy domestic machines, but the plucky K40 is … Always use a wire connected to ground to remove any lingering voltages stored in the capacitors inside the laser. Is the K40 a safe machine? Stepper motors work and I can navigate points on project (using Lightburn) however laser will not fire. In the image above, the connector header on the right has four terminals. It is not. Add to cart. The issue I am having is with cutting 3mm birch plywood. The Digital version has a set of buttons marked +/- 0.1%, 1% and 10%. I had noticed that it wasn’t cutting very efficiently and had turned the current up — and the temps showing on my CW-3000 industrial chiller were up. Is a China laser also the right laser for you? Rated 4.50 out of 5. Cracking is an issue for older mirrors that are under heavy use. The laser can be adjusted from 0% (not firing at all), to 100% (40w of laser power). It Does fire when I push the panel test button and it Does fire when I push the PSU test button. Make Your Ethernet Capable DSP Wireless. Share. And they are sending me a new water sensor. When you issue a M3 (cnc mode spindle on) or M4(laser mode laser on) via the console it should go down to zero. k40 not firing. 10/26/2019. Engraving speed could be as high as 3000MM/Min. 3. Interface runs off Laserweb 4.0 Rules for use. Some of you will have a machine of that 10% with a skewed or non square gantry, but follow through this guide to the end anyway and you will find a link my other guide how to fix gantry problems. If it doesn´t, check the fuse in the rear power connector before continuing. Class 4 lasers require a complete enclosure that prevents even accidentally reflected laser light from escaping the enclosure, and also requires safety interlocks to stop the laser firing if the enclosure is opened. What material can the K40 cut? 04. The benefits of a honeycomb bed for the K40 is that there is optimal ventilation underneath the work, which will minimize smoke interference and also minimize changes of fire due to excessive heat underneath your engrave. Free Shipping worldwide. Please double check. Generic filters. Still fires on panel/psu test.. 【The Most Advanced Firmware】Ortur laser master firmware, smarter, faster, higher precision and easier to use. And please help us improve the wiki by contributing / adding / correcting information. I have since replaced the bed with an adjustable bed, added air assist, and added a more powerful exhaust blower. Those upgrades are going to be the subject of another post. Single line fonts can be used in applications such as wedding invitations, coaster designs, card designs and other designs that require multiple products to be laser engraved. Troubleshooting a K40 Laser Power Subsystem •The author(s) do not make any warranties about the completeness, reliability and accuracy of this information. They believe the water sensor is not sensitive enough to trigger the laser. See Hackspace Rule 0 I just got a K40 laser cutter recently, and as of now it's still stock. CO2 Laser Engraver Safety. I got a new K40 laser cutter just before Christmas and I have been playing with it. Laser Pointer. I have attempted to find the right height and aim the mirrors. Note: The 5V and 24V are not used and should not be connected to the LaserBoard. 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. This is for a door sensor/switch. I put the paper on the mirror but nothing. It moves like its cutting but doesn’t fire. K40 Honeycomb laser cutter Bed. 10/26/2019. Reply. If you're not sure, don't do it (even switch it on) Do not leave the laser cutter running unattended for any reason. From left to right, the connections are: 24V, G, 5V, L.Connect G (Ground) to Laser Gnd and L to the Laser Fire on the LaserBoard. They are essentially the same thing, but I wanted a digital readout for no real reason. Rule 0. While the K40 laser cutter (aka an eBay/Alibaba laser cutter) is branded as a 40 watts, it really isn’t. K40 Whisperer reads SVG and DXF files, interprets the data and sends commands to the K40 controller to move the laser head and control the laser accordingly. 11/02/2019. Single-Line vector fonts are specially designed fonts that have been crafted for use with the K40 Laser Cutter machine to improve productivity, whilst still keeping the appearance of a regular font. Please let me know if it does The PSU message s… So what (with that weird meter) does the IN pin measure to ground when the pot is in the middle? To control the laser with the … Using a grounding wire, ground everything when working on a power supply. The K40 does not come with any integrated cameras to help line up your workpieces before cutting/engraving. The Analogue version has a knob and a readout meter (misleadingly measures in milliamps). Out of the box - NO. Issue a … Unlike diode lasers, which can fire a much lower power setting, the K40 needs a separate low power laser instead of firing the CO2 laser at the lowest power settings. Is that a possibility? I have a MiniGrble board hooked to my K40 laser because the M2 Nano that came in it was horrible! Rename it to firmware.bin and upload that on your SKR board with either the USB cable or the SD-Card. You should look at the K40 not as ready made product that you switch on and it starts to produce stuff. Facebook Twitter Tumblr Pinterest Reddit. K40 Whisperer does not require a USB key (dongle) to function. Hot. Our K40 honeycomb laser bed is a true upgrade for K40 users. Add to cart. These lasers vary greatly in build quality and require a good deal of “tinkering” to keep them going. K40 laser cutter adjustable bed $ 42.99. If you are in the market for a few K40 Laser Cutter replacement parts,Here are the most common K40 Laser cutter replacement parts to get your beast back on the road. 2. Purchased K40 laser, changed power supply, upgraded to Cohesion3d board using the Smoothieware. The LO signal (laser on or enable) needs to goes to gnd in order to fire the laser via PWM. I am not 100% sure if your wiring matches this. $ 42.99. Acrylic and plastics up to 4-6 millimeters, wood depending on type up to 6mm. k40. One thing you did not mention is the following: Make sure you do not forget to bridge the “laser switch” ports. It could preprocess 32 instructions, support baud rate as high as 921600, more powerful! The K40 style lasers all produce so much laser power that they’re in the most dangerous Class 4 category per the FDA’s rating scheme. This guide will help you identify and solve most problems with your laser machine not firing the laser beam. If you don’t like to tinker, if you are not at all mechanically inclined, or if this is a mission-critical business appliance you may want to find a US laser… For reasons I won’t go into in this article, it is closer to a 30W laser in practice. When you have fixed some electrical and other safety solutions it´s not more dangerous than your toaster. If this is not bridged, the power supply thinks it is not safe and will not fire. Beginners Guide To The K40 Laser Engraver. Its been a while ago so this documentation may not be perfect. However there is a beam inside the laser tube when I pushed the test fire button. I was shocked six hours after power off, by touching the underside of the circuit card inside the laser power supply. View pricing. Search. Check out our upgrade and articles to make your K40 laser better. Sitewide Smart Search. DO NOT open the laser power supply enclosure and insert your fingers. This is far from an exhaustive list, but here are some extremely basic and fundamental safety tips: Never fire the laser with the cover open. It normally had been indicating temps between 19- and 20-degrees C, but was up to 25-degrees. You can always revisit a decision NOT to fire the laser; you can never undo a firing or the damage it causes. Make sure your K40 turns on and homes to zero position. Do not be on fire. Most K40 Laser Power supplies are capable of having a PWM controller. Laser will fire if “test” button is pressed on power supply. Over time you might find yourself in need of a new mirror set. Unfortunately for us, pushing it to full power will quickly degrade the gas mixture in the tube and shorten the life of the laser tube. The first thing you need to do is to get the latest version of smoothieware here. I took all of the safety precautions, running water, connecting the ground terminal, etc. Tags. Step 1 Turn on your machine. Here’s a typical LPSU found in a K40 laser cutter. K40 Whisperer is an alternative to the the Laser Draw (LaserDRW) program that comes with the cheap Chinese laser cutters available on E-Bay and Amazon. The readout shows values from 00.0 to 99.9. Any action you take upon the information in this document is strictly at your own risk, and the author will not be held liable for any losses and damages in connection with the use of this information. As the K40 laser cutter does not come with a moving z-axis, it’s sometimes difficult and time consuming switching in between projects. The seller was very helpful and sent me a new laser tube but it still will not test fire. Hello everybody, I successfully set up an SKR 1.3 board to operate my K40 with Smoothieware running on it. If that sounds fun to you then you will love it! During the jogging movements when the gcode clearly calls for the laser to be off it keeps the laser on! Post by manster » Sun Aug 12, 2018 5:50 am just purchased a k40.... set it up ok...everything works ie: software. The Mini Gerbil works well except one issue. Specialized Motherboard with STM32 MCU. Read up on safety and how to use your K40 laser machine safely. 10/28/2019 . The laser in my K40 stopped firing in the middle of a project. My K40 laser (XM-4060) has stopped firing when I run a job. The K40 Laser cutter has been updated to run off a smoothieware Cohesion 3D board. K40 Style LSPU. Measure the LO with a multimeter (voltage range). Basic safety . K40 Laser cutter mirror set . These are easy to replace . Related Articles. This question is a bit more difficult to answer. This meant I was not just going to plug it in, blind myself, electrocute myself and set fire to the shed, I was going to do all of the upgrades and recommendations set out in the Facebook K40 Laser group. K40 Laser cutter wont fire on jobs. Hope this helps. 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