Anyone with same problem? Since lasers are expected to run super fast in dither mode, we need to upgrade from 8 bits to 32 bits. We don't have a definitive way of pointing to a bad tube but we can insure that the control system that drives it is working properly. You need to adjust that to S=1000 or 2000 depending on the laser calibration otherwise the laser is actually firing but with a small tiny amount. Check the end-stops – both of them as they are going wrong direction. K40 laser cutter power supply. S200= is about 2mA ADVERTISING. I bought a K40 about 9 months ago and, due to the shipping company, it arrived basically destroyed (yet the laser tube worked). This guide cannot identify exactly your problem any closer than this. Send a email to help@k40.se if you need step-by-step assistance with checking the end-stops. The laser did fire before disassembly, but due to the damage it couldn’t be aligned. Concerning the plasma it wiggles a little around the negative ring especially on higher powers. Laser diode engraver is suitable for small workloads. The K40 laser cart. Hi HP . OK I tried the bridge but no luck. Good day to you all. When I use lightburn it goes through all the motions of cutting/engraving, but no laser! Hi! Most problems with the K40 laser cutter involves the power supply in one way or another. I have the digital readout – yet to install a mAmmeter. The beam does not reach the last lens and when I increase the power more, it only gets a small dot, on the 1st and 2nd lens the paper tape is nicely burned. ok … what do you suggest to improve that laser … and how to install the mA meter and which model do you suggest … if I change the power supply which model do you suggest and how to install it … I currently have 3 connectors …. 18mm Laser Head w/Air Assisted for K40 D40 Laser Engraving Cutting Machine. Click Here for the Index To K40 Conversion, Creative Commons Attribution-NonCommercial 4.0 International License, If you have certain symptoms you can try replacing the LPS's HVT. Often a flow sensor is connected, inspect it and sometimes it can be adjusted to allow for less flow/pressure. LASER CUTTER USER GUIDE The following is an outline of policies, procedures and precautions associated with the laser cutters available to students and faculty of the College of Art and Design, located in the Design Shop, room 110 Art Building. Most problems with the K40 laser cutter involves the power supply in one way or another. troubleshooting troubleshooting . So does this mean that the mirrors are just terribly out of alignment? 5 posts • Page 1 of 1. There is no single point problem for 10 days. I bridged my p+ and GND on the PSU (type 2) and my laser fired at last. This is the most common type of LPS failure. Introduction The K40 is a product made with parts to make a small and cheap laser machine. First everytime my Laptop (inkscape 0.92.0 Win8) sends a signal to the k40, it fires the laser 3 times for a second but this is not so great. Thank you a lot, you are the only one who can help me , Homing down and right is probably the end stop no connected or broken, when it doesnt get a signal it goes the opposite direction. Theese machines cannot handle 100%, they cannot handle 90%, you will overpower your tube at 90%, thus lowering the life span drastically. Could this be one of the end stops? You have a issue with your PSU or laser tube. – LaserPSU is grounded to the ground bolt in the chassis Was wondering if you could advise me. Any comments are appreciated. The author does not make any warranties about the completeness, reliability and accuracy of this information. We provide free help to find out problems and issues others have to write better articles. The Mini Gerbil is based on a Cortex M3+ processor and is 7 x faster than the R4. See this article for a picture of the pinouts: https://k40laser.se/diy-how-to/k40-laser-cutter-power-supply/. Which voltage should go to the flyback? 10mm from the metal ground (case) and test-fire to see if you have a spark – but keep one hand behind your back and push the test-button with a wooden stick to make sure you never ever can get shocked by it. The K40 laser is water cooled. Moderator: baker. The laser power and control system in a K40 is a relatively complex and its the most unreliable subsystem of the overall K40. The first 10 days was the only point. I have changed to T50´s in all my machines, one even have a T80. LD5500 Laser DefuserPlus Wiring Diagram; LD5500 Laser DefuserPlus Installation Instructions; LD5500 Laser DefuserPlus Operating Instructions; Calibre Remote Radar Detector. In laser web the default laser power setting is S=1 for 100% power. Location ... Dongguan Thunder Laser Equipment Co., Ltd. is professionally engaged in producing and processing laser cutting and engraving machine as well as the research and development of laser control system. If everything is good to the LPS then I would: This guide provides K40 owners a flow chart for troubleshooting the Laser Power Control and Supply subsystem. Thanks for your support and compliments for the site . Okay. K40 Whisperer looks for the configuration file in the current directory and in the users home directory (the default save directory). The mili-ammeter reads erratically at currents above 4ma, The current is lower at higher power settings than at lower power settings. Shenhui assumes no responsibility and/or obligation, direct or indirect for accidents caused by bad grounding! You also hear the relais clicking every time you connect the usb cable. This kind of power is currently not achievable with diode technology, so you have to choose a CO2 laser machine. Using your laser cutter/engraver inside your home 2019-11-10. Get it as soon as Mon, Jan 25. FAQ & DIY. I finally insulated the metal parts on the tube and the crackling sound stopped but the laser power is weak. Laser signals have the high- est priority, followed by Ka, K, and X band radar. 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. The laser fires at all power percentages but the beam only hits the target when I run the power at 20-30% (that’s 5 to10mA). It is quite common for the Laser Power Supply (LPS) in your K40 to fail. The most common problem when the machine is firing with low power, and mA-meter showing 2-5mA no matter what power setting is set – the flyback transformer is often the issue. The tubes doesn´t die quickly, they fade away in 9 of 10 faults with them. The laser tube that generates the optical power, There is an arc from the anode to the frame. It happens that the machine starts to bang against the fence and it sounds like a grinding noise – it´s the belt jumping of the the drive pulley. Just keep a eye on the mA-meter not to over power the tube. I have a JK-K3020, If you do not have a flow sensor, you can bridge P+ and GND, just make sure you have water flow before using the machine. The laser power and control system in a K40 is a relatively complex and its the most unreliable subsystem of the overall K40. The cart is described in a separate article that you can find here. I suggest upgrading to a HY-T50 instead of buying a new K40 power supply (not sold by us). Any help would be greatly appreciated Thanks. Open the lid on your panel and push the test-button located on your power supply. Hi HP, I’m posting here because a friend of mine asked me to fix a faulty K40 laser. You can use this pic to see what´s going where on the power supply -> https://k40laser.se/oldpsulayout/, Perfect, I’ll give a try soon. Using your laser cutter/engraver inside your home 2019-11-10. Therefore a lot of time is spent diagnosing and subsequently replacing and repairing parts of this subsystem. Then as I turn the power up the beam exits and the machine works at around 5mA to 8.5mA and upon 8.5 and above no beam exits the tube but I can the see the plasma grow brighter as I increase the power. You can find installation guide here in the articles, look under K40 electronics. However, you are strictly advised to not to apply the methods … SETUP AND INSTALLATION GUIDE Hardware Setup and Software Installation 2010 Full Spectrum Laser LLC 7310 Smoke Ranch Road • Suite U Las Vegas, NV 89128 Phone 702.482.8594 • Fax 650.215.9917 www.fullspectrumlaser.com laser@fullspectrumlaser.com K40 Laser Power System Troubleshooting Guide So Your Laser Won't Fire? Introduction The K40 is a product made with parts to make a small and cheap laser machine. Your Full Spectrum Laser LLC MLE-40 40w Hobby Laser is a Class 3a laser product, as defined in International Standard IEC 60825-1.The laser complies with 21 CFR 1040.10 and 1040.11, theFederal Performance Standards for Light-Emitting Products, except for deviations The flyback transformer might be the issue but there is no guarantee it will solve your problems. For other information on the K40-S build use the, Troubleshooting A K40 Laser Power Subsystem 1.0. On a hunch I put a piece of tape over my fixed mirror in the back and the laser tube did indeed fire and mark the tape. Troubleshooting A K40 Laser Power System 1.1.pdf - Google ... ... Sign in Try this If it fires it´s whatever security solution connected to these pins that are your problem. Page 2 Note: When integrating the Laser DefuserPlus with the K40 remote radar system, the Laser DefuserPlus will utilize the same warning light/speaker(s) as the K40 remote. All the lights on the board are doing what they are supposed to do. If your K40 laser not homing correctly Does your K40 grind and causes noise when homing? I have a love/hate relationship with those machines :p . The K40 is a small 40-watt CO2 laser engraving/cutting machine from China, readily available on eBay. Convert your digital panel to analog 2020-02-12. 95. K40 laser machine troubleshooting; K40 laser machine upgrades; Downloadable files for the k40 laser machine; How it works; Recent Articles. . All the lasers include a coolant pump as one of the accessories. – Put a bridge or small cable between P+ and P-(gnd) and test the machine again. I would suggest running a cable from C3D controller 24V negative to pin 8 or 12 in this picture (whichever is empty, easier to fit a cable to) ->. The laser beam stops exiting the tube at around 0 to 4mA. Any action you take upon the information in this document is strictly at your own risk, and … Post by Nicola » Sun Sep 04, 2016 7:39 am Hello I'm new and I'm hoping for some guidance from all those experienced bods out there. My machine is 1 month old. 2018 K40 introduces the RL360di and RL200di as the world’s first integration-ready radar detector systems. I have some problems and I don’t know exactly is it caused by me. any thoughts?many thanks - Richard. Therefore, you will not need to install the red L.E.D. The K40 laser cutter has become ubiquitous in hackerspaces and well-equipped home workshops over the past few years, as a relatively inexpensive introduction to laser cutting and a … This part is avalible at ebay, aliexpress or in our store. Hi HP Persson! This guide helps eliminate everything up to and including the input of the LPS as the culprit. K40 Whisperer runs Inkscape in the background to generate raster data for SVG files. I have nothing in my k+k- port (PSU type2) and my P+ GND (PSU type 2) plugs into P+ and p- on control board. When you get an Inkscape execution failed error it indicates that something went wrong when K40 Whisperer tried to run Inkscape. The flyback should not be measured at all – it´s 12-16000 volts in that one and you need special meters to measure it properly without dying There is a redneck-test, putting the positive lead aprox. However, the good news is we found a lower cost alternative which performs better. AliExpress.com Product – Cloudray 50W CO2 Laser Power Supply for CO2 Laser Engraving Cutting Machine MYJG-50W category . Laser Alignment Test Shots - One shot taken in each corner of the laser bed. . If it only works half way or just on different power settings it might be the potentiometer. You mention elsewhere on this site the Hy t50 PSU..can this be used with the k40 or will it be ‘overpowered’? Any ideas? I’ll be glad if you can give me a tip about a strange problem I have with my laser: I primary use it for cutting and I have it for almost a year now. Problem 3: Broken tube lens, check inside the laser tube where the beam comes out, see if its cracked or have dirt on it. Problem 2: Hitting the edge on a mirror or a bad quality mirror can cause 2 or more points/shadows. – All extra PSU´s (for lights, fans etc) is grounded to the ground bolt in the rear. any advice on my condensation problem? I've made some mods to my K40 based on the recommendations at k40.se and donsthings - I've switched the digital panel for an analog 10-turn pot and voltmeter, and a 30mA ammeter. Cutter power supply, the ammeter registers, its just when i test,... We have learned about troubleshooting and fixing K40 's arcing though higher pressure/flow S commands to a better to. 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I thought that there was an arch inside the laser won ’ t know exactly is caused! Not respond … then while in the middle of the accessories very price! Is connected, inspect it and build a bigger gantry and also up. – Cloudray 50W CO2 laser machine upgrades ; Downloadable files for the laser ground. Purchased one of the supply fail the `` INDEX '', `` SEARCH '' ``., aliexpress or in our store think could be breaking the shot and... – you don´t have a problem with the K40 is a Product made with parts to make a and... In each corner of the accessories to choose a CO2 laser Engraving Cutting machine decided to gut it build! Bridge will cause the laser beam stops exiting the tube and the sound... Found this blog dont think so these cap machines from ebay you have! No matter if they are, make sure the laser tube when firing but i do! Got my K40 and set everything up to and including the input of safety. Pls, can you advise me what m codes you are using with your machine laser.. 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The 24V power supply help to find K40 conversion information use the troubleshooting. Shipping from China consider donating ( button to the LPS as the culprit, but due bad...: sales @ laser bed, running water, the current is lower at higher power.. In Sweden and 2-3 with issues 4-5 minutes and then while in the end i had to modify the fire. Speed Third Generation CO2 laser engraving/cutting machine from China, readily available on ebay mA-meter to know going. A faulty K40 laser watercooling Exhaust & filtering K40 laser machine ; it...