Laser cutter losing power
Laser cutter losing power. May 18, 2022 · My Xtool D1 laser seemed to be losing power or strength after I cleaned it I noticed what had happened and I fixed the issue for $14 dollars. When cutting thick material like plywood, it may be beneficial to change the focus distance of the laser between cutting the upper and lower layers. The flow sensor may be partially blocked - you can bypass it to test. The laser essentially needs the oxygen atoms to Adjust the Focus of the Laser Beam. Locate on the lower right-hand door panel (or back side door panel). Solution: Please check if it’s in off position, and flip to on position, like below. Mar 14, 2023 · For D1 Pro 20W/40W: 25V. (For mark lines, I use 1000 speed and 90% power). View details. 4 speed and 500 ppi and it may cut for 2 inches before losing power. Hello, I have a blacktooth laser cutter, the machine has 10hrs of work, suddenly in the middle of a job the laser beam lost all power, I can still se the purple plasma beam but with no power or intensity, the tube is fine, water is running through and there is no arcing to the chasis or some other part. I tested the laser settings on the first piece and everything went well, the laser cut it nicely. I checked alignment, mirrors, lenses, laser current, etc. Laser cutting is a fabrication process which employs a focused, high-powered laser beam to cut material into custom shapes and designs. The cut will start fine initially, but starts to lose power after 10 minutes or so. I use it mainly to engrave and cut anodized aluminium labels, I did cut 100 of My cutter is a 6040 60W with a Trocen controller. This is also where my laser emits from. Adjust Image is an option when you right-click an image in Lightburn. Being creative has never been easier than it is right now. Move actions are burned ¶. so I cranked the power to 55% and that brought the amp reading closer to previous and it started to cut like butter. While typically used for industrial manufacturing applications, it is now used by schools, small businesses, architecture, and hobbyists. I use it to etch and cut thin acrylic which doesn't really use that much power, and it has maybe 40-50 hours of total use on it. Like I said before that using NEJE SW the laser burns fine. The Solutions: 1. Any advise will be greatly appreciated. The focusing is dead on center and I've thoroughly cleaned the lens and all the Jun 27, 2012 · Hello, I have a universal laser 50 watt air cooled metal tube and it cuts great for the first minute or so and then slowly loses power to a point where it barely etches the surface. Reset the Laser Cutter Settings. Laser power is the most important parameter in laser cutting. Low wattage lasers are cheaper and perfect for engraving images and cutting thin materials. 6. I can set the power to 100% 0. Set the control panel power to 10%. What is better? advantages and disadvantages? Low speed, high power, 1 pass (my current setup) Lower speed, medium power, 1 pass 2 passes, at low speed and low power. ) 6. For 2 mm ply wood, I cut in the 200-400 mm/min range with a power between 80 % and 100 % for a 10 W diode laser. GRBL: Low or No Power Output ¶. Jan 11, 2014 · I have a Hurrican Laser Agnes. Hey Y'all, I've had my k40 laser cutter for about 2 months and I'm noticing that I lost power. Oct 25, 2022 · I am new here. Factors affecting the laser power (W); A) lens pollution. I reset lightburn to factory settings to be sure, but my settings are 180mm/100% power for cutting and it doesn’t cut through that wood. It is a crucial parameter in laser systems and plays a significant role in determining the cutting, engraving, or marking capabilities of a cutting or engraving machine. In other words, a laser with an 80W tube will fire around 8% power. Im having a few problems with the loss of laser power the further the X & Y axis move away from the top left of the machine. Yesterday I noticed that I have to use twice as much power to achieve the same effect. It will burn it at that stage, but even Mar 31, 2024 · You can get one of the best low-power laser cutters for as little as $220. Laser power dictates the maximum thickness of mild steel plate you can cut. 2 > 4. B) the focus position is incorrect. The problem is it's randomly losing power late in the cut files. Wood board (except rare hard wood) Thickness. Check the Power and Speed Settings. Jun 18, 2018 · It seems that the laser tube have loss of power. Check whether the machine is receiving the required power and voltage. Dec 20, 2023 · Laser Cutting Speed. I didn't need to change any speed setting. 5 watts in light output) and has a manufacturer rated 100% duty cycle. Things to check and test. The amount of power lost depends on the wavelength of the laser and the type of material that it travels through. For D1: 12V. Select the laser printer and then “Properties” to open the Epilog print driver. Aug 15, 2023 · When your Xtool laser fails to fire, it can be attributed to various factors. For leather cutting, it is recommended to use a focus lens with a focal length of 50, together with a 60W-100W laser tube and a small air compressor. I have the tab setting on off and it still randomly adding Tabs. One of the primary culprits could be a power supply issue. 5mm. Laser Overheating. Unless your laser is traveling through a perfect vacuum, it will encounter particles that may absorb part of its power. Material Ignition Alert ‘Material Ignition Alert’ , or ‘ MIA’ constantly monitors for the potential ignition of a material, a situation that may arise in any laser cutter. Jul 21, 2010 · Re: LS6090 laser problem. 4 speed and 500 Jan 4, 2022 · DC laser tubes typically last around 2-3 years, whereas RF laser tubes can last around 6 years. If the laser does not hit the tape The issue was that there was a slow degradation in power delivered to the workpiece, then suddenly the laser could barely cut through masking tape, leaving a sticky residue rather than vaporizing the tape and the wood underneath. The 55W power is excellent and can cut through 20mm acrylic or basswood in a single pass. Mar 18, 2024 · Contaminated water can result in a power loss directly out of the laser tube. Dec 13, 2023 · But it's worth noting this laser cutter and engraver often sells for much less direct from IKIER. (current remains the same) When I start a new job afer a while, same thing. Dec 13, 2023 · A CNC laser cutting machine cutting designs into a metal sheet—Image credit: Andrey Armyagov/Shutterstock. Apr 11, 2024 · Best diode laser cutter. A My blue/white 50W laser has seen very light use. Push and hold the fire button and read and record the value on the digital meter. The circuit breaker has tripped. Mar 26, 2024 · 55mm/s. If the gap between the laser head and the bed is the same near all four corners, then the problem is more than likely the laser alignment. If there is any muck on that it will cause the beam to diverge and spread reducing the effective power (90% of a beams power is in the outside 10% of the actual beam). The pressure requirement is relatively high, usually around 1. Your settings may require some tweaking, depending on material supplier, ambient Aug 22, 2023 · For high-quality cutting, a high purity of nitrogen is necessary (99. I therefore have to “babysit” the cut and when I notice it losing strength, I bump the power up by . Our 2nd Generation Laser Unit and electronics set a new standard for power and efficiency. Today, I noticed cutting trouble again and the amp meter now shows the reading of under 10 The firing threshold is usually around 10% of your laser's wattage. Apr 25, 2024 · The First Problem: The Laser Does Not Emit Light. Have current: Check the lens is broken, the optical path is a serious shift. THE PDFS ARE LAID OUT IN A STEP-BY-STEP FASHION WITH SUPPLEMENTARY LINKS TO RELEVANT BOSS YOUTUBE VIDEOS. The absolute laser power is typically measured in watts (W, kW), representing Feb 11, 2022 · I am losing steps trying to line the borders of very small letters, to the point of being off by 3 to 6mm after just 200 words. My first 5-6 attempts went well, everything was good. Here are the four most common reasons for electrical power drop and their solutions. After that, I decided to cut out flowers for my wife from 4 mm thick plywood. Aug 14, 2023 · The distance between the nozzle and the workpiece also contributes to the power reduction of a fiber laser cutting machine. Replaces the 9v battery backup 4. Mar 15, 2024 · Laser engraving and cutting are dynamic and versatile technologies that allow you to create stunning designs and markings on various materials. It's not focus, lens, or anything like that because it's random on the table. There is a chance that the power is good coming in but there is a loose neutral connection and that causes it. This is more powerful than the Glowforge Pro’s 45W, and it’s also much faster than the Glowforge, at 600mm/s for the xTool vs around 200-300mm/s for the Glowforge (Glowforge doesn’t publicly say the speeds, so this is an estimate). could you show an example of Min power. This community is for the handful of laser cutting enthusiasts that use the cheapest laser cutters available. Connected it to a laptop with ULS software and no power CO2 laser will not cut wood material fast at all. It’s important to identify the root cause before attempting any fixes. Sometimes it doesn't have a problem at all. This is the neutral connection that runs all the way back to the panel in your home. Regular maintenance, such as cleaning and water replacement, is crucial. If the distance is too far, it will result in the wastage of kinetic energy. . I all so have the problem. Does anyone have any ideas? Feb 4, 2023 · Too many people say their diode laser is losing power. These problems affect accuracy and processing speed. Just a new hobby. They can be hard to reach on chat or phone but once you get someone they can usually get you fixed up. 60w CO2 Chinese laser cutter. Then set the cutting speed. Jan 23, 2022 · Finally; It’s not unknown for highly stressed laser diodes to loose power or even fail after the first few hours of use, thermal shock and the slightest manufacturing flaw will do it. Typical power outputs of laser machines are 1. Aug 6, 2023 · The laser power (W) is set properly, the cut surface is good, and no melt is generated. Jan 3, 2024 · 1. No current: Check the laser power is turned on, the high voltage line is loose or off, the signal line is loose. if too fast, you just mark, not cut. 4. Then set the min power and max power, if you need to get a better cutting quality, usually, you should set the min power a bit lower than the max This page contains a collection of various issues you may see in your completed cuts and engravings, along with their most probable solutions. Show 1 more. Checked fuses at the power point on the machine 3. Their Tech support doesn't have any ideas other then throwing expensive parts at the machine. As you use your laser machine, over time the co2 gases in the tube mix, converting the CO2 which contains one atom of carbon and two atoms of oxygen into CO which has one carbon and one oxygen atom. The Neje Master is an affordable laser cutter with a powerful laser. At the exit end of the tube is a focussing lens, ensure that is clean first. Mar 26, 2017 · Check the leads to the tube are still attached. Jun 17, 2021 · Retest your burn and report back. I found that MDF that I had previously been cutting easily wouldn't cut all the way through even with multiple Jun 21, 2020 · Map your current output vs the % set on your digital control panel. Speed in laser cutting is crucial for quality and efficiency. Choose the Right Laser Cutter. Replace the fuel filter and the fuel lines since they were deteriorated and cracked when removing the fuel filter. Laser cutting works by directing the output of a high-power laser most commonly through optics. power to the machine checked with multimeter 2. What is the laser power supply for co2 laser engraver? A laser power supply for a CO2 laser engraver is a device that provides a stable and reliable source of power for the laser. Turning up the power will make this happen faster. The app provides our suggested power and speed settings for your laser when cutting or engraving different materials – depending on your laser power – and will give you a starting point and a general idea of what settings to use for your circumstances. You need a CO2 or diode laser to cut plywood. Before I fixed my snag issue I was able to cut this 3mm laser cutable MDF with 20mmps at 40% power in one pass Above youre seeing it in 3 passes. Feb 29, 2024 · Hi everyone! I bought a Sculpfun S30 Pro 10W laser engraver 1 month ago. There was dirt on the lense right at the exit Mar 14, 2024 · Common issues with CO2 laser tubes include poor beam quality, unstable beam, and power decline. Software Glitches. 999% is often required for stainless steel with a thickness of 8mm or more). One thing I learned in this forum: for CO2 / fiber lasers, speed is measured in mm/s, for diode, we use mm/min. Reconnect the power cable and test the input voltage of the motherboard according to the photo below. no immediate red flags. When you’re washed out like this, you probably want to reduce contrast and brightness slightly. Changed oil and oil filter. I made sure all was cleaned, aligned and maintained. Ashok (Ashok Vastani) December 10, 2021, 12:29pm 5. Russell Holly/CNET. Mirrors may not be perfect as they seem to have marks on them which look like May 31, 2016 · Laser cutters are CNC power tools, which means an operator uploads a job digitally and then pushes START to let the machine do all the work while they lie back in a hammock sipping a margarita, occ… Jan 2, 2024 · A laser cutter is a machine that uses a laser beam to cut or engrave materials such as wood, plastic, or metal. This makes the laser cutter a good option for Makers that need to do more cutting than engraving. WHY?? Purity Lens Cleaner: https://amzn. (Verify the size of the work piece under the “General” tab is accurate. Solution: If it’s pressed, please reset it, like below. There may be 10 hours of cutting on it and it seems like the settings that were working to cut through 3mm Baltic birch aren't making a dent anymore. Check for Compatibility Issues. Like any advanced technology, laser machines can encounter issues that may hinder your projects. Check peak power us 20% over usable power (so at least 48 watts). On these cheap k40s, the rated power is often far liwer than quoted so 40 watt is reslly 30 or 25 watt. It has been working great until today. Is Output must be set to “Yes”. This is just the nature of the laser energy. Right now there's a sale on; the IKIER K1 Pro Max is on offer for just $999. Emergency Stop key is pressed. Recommend you get a new tube. Solutions involve maintaining gas purity, cleaning optics, and replacing aging components. Under the “Advanced” tab, “Browse” to the folder with the settings file in it, then load the settings file. Choose your setting. I would cut 1/4 Baltic birch in 3 passes at 5mm/s and maxing at 18 ( I didn't wanna go much higher). So, maximal power is usually at top left of the work area (where beam path is shortest) and drops off significantly at bottom right (where beam path is longest). meaningfor exampleif i set the machine at 50% power and when it starts at the origin point at top left of machine which places the laser head closer to the laser tube output beamthe engraving is good and finebut as the laser head moves further away to the Dec 20, 2023 · Reconnect the power cable and test the input voltage of the motherboard according to the photo below. In laser material processing, laser power directly impacts the speed of processes like laser welding, laser cleaning, laser texturing, laser cutting, and laser marking. Mar 21, 2024 · In my opinion, the xTool P2 is the best desktop CO2 laser right now. At the opposite end of the tube is a Jan 1, 2024 · 8+ Best Laser Cutters in 2024. On the other hand, if the distance is too close, it will negatively impact the dispersion ability of the cutting products. I have a Sculpfun S9. Check the door switches have not come loose. 3). any help we be appreciated. A place to share your laser cutter creations, tips, questions and other laser cutter related… Nov 17, 2021 · When increasing the power to 8 kW, the maximum thickness of the cut in nitrogen is 8 mm, 10 kW is 10 mm, 12 kW is 12 mm, etc. Would it be worth it to try increasing the voltage to my stepper motors? Aug 19, 2022 · Hi all - I’m new to CO2 lasers but have used a diode laser for a while so have some experience to draw upon. by Spooky » Thu May 19, 2011 1:47 pm. Close all covers, enable laser. To check the laser tube,please check the Beam pattern of laser tube by laser a dot on cardboard from the output of laser tube using 30% Feb 27, 2021 · Neje uses a 12V laser with techniques to increase its power to 20W, which is designed to cut. Machine Overheating. Nov 7, 2023 · Laser power is one of the most important parameters to consider when choosing a laser, as it plays a key role in determining the effectiveness of laser processes. The power supply is responsible for regulating the power Let’s select the target object first. If you are cutting at a low overall speed (for example, 10 to 20 mm/sec on a CO 2 machine) the laser might only ever use the 'Min Power' setting, so in that case it is best to use the same value for both. b. 15 mm/s = 900 mm/min, so a bit too fast. The ammeter have reading of 23,so the laser power supply should be fine. Is it because I am cutting to slow. Update or Reinstall the Software. Hello, Both the $30=1000 and S-value set at 1000. Offering a dual diode blue light laser setup - the 24W laser for engraving and the 48W laser for cutting - the IKIER K1 Pro Max is very capable. Plus, an introduction to laser cutting, services, and materials. It’s very easy to assemble and it has a good build quality. Have multiple parts and designs in one file. The thickness you can cut depends on the type of plywood you’re using, and the laser’s power. The best approach is the look into guidelines given by the machine manufacturer. See full list on machinemfg. The machine will use the CNC, or G-code provided, to cut the material and control the motion. I am looking for that setting. Held the power button down for 30s 5. Job starting in wrong location ¶. Replaced spark plugs. All was working perfectly till yesterday, now it seems the laser has no power at all. For D1 Pro 5W/10W: 24V. Speed 7. It's been running fine for ~ 3 years, but recently it's been losing power during a cut. At home I have cleaned the mirrors and realigned them. “Print” to bring up the standard print dialog. Faster speeds are suited for less detailed, larger projects, while slower speeds are necessary for intricate designs. Apr 2, 2020 · Just a quick video tutorial of what you can do when you start losing power and your k40 is not cutting anymore. Clean the Engraving Area and Material Surface. I will explain why it happened, what are side effects are Apr 23, 2021 · Hi! Currently I am using my 40w diode laser to cut 3mm MDF, with speed around 130 and 95% power and 1 pass. Best. Job mirrored or backwards ¶. It no longer wants to cut 3mm basswood and will hardly engrave. to/3juZzAy Please consider supporting companies that support this Jul 21, 2023 · Laser power defines the energy delivered by a laser beam per unit of time and per unit of area. Learn about the most common problems faced by laser operators and discover expert tips and solutions for troubleshooting these issues. In this article, I’ll explain how laser I can’t get the laser cutter to turn on at all, no noise, lights or anything. 5. More and more people are identifying Jan 4, 2024 · Ie. 2 speed and 500 ppi and it may cut for 4-5 inches, I can set the power to 100% 0. peak power or a maximum power a tube can provide and is usually 10-20% higher than rated power. 3mm. Jan 5, 2016 · I was thinking about the comment from @fablab_elpaso in another thread: You also lose power as the beam passes through the air from one end of the bed to the other. Selecting Laser Power. I have tried to decrease the speed and acceleration to near unusable levels, with little change. It works by directing the laser beam through a series of mirrors and lenses to focus the energy onto a small spot, melting or vaporizing the material based on instructions from a computer. The power scale also set to 100% and still the laser is seen following the shape but not burning. C) there are rust spots and oil spots on the surface of the board: Effect of sheet type and sheet quality on laser cutting quality. There’s a lot of control right there. (speed: 340 mm/min, Power max: 100%, Air: on) After that, I wanted to cut out 5 flowers at Laser cutting is a technology that uses a laser to vaporize materials, resulting in a cut edge. Jul 9, 2023 · It might be beneficial to cut only partway through and letting the area cool down before the next pass cuts further through the material. If the laser tube have lost power so much as you said,i'm afraid it became bad now. The laser will guide the material or beam through the CNC and optical equipment. I have had it since Christmas. Controlling the order of cuts. Most ferrous and non-metallic Jun 23, 2016 · Replace the air filter, both inner and outer. The longer the distance traveled by the laser, the more I've had my muse 40W laser for almost a month. For example, the same laser can cut much thicker basswood than birch or cherry plywood, since basswood is lighter and softer. Warped or disconnected lines ¶. CNC is much more efficient for cutting and laser as more efficient at marking or slowly cutting if you need the small kerf. Press the button on the motherboard and test the output voltage between the motherboard and the laser module. IF YOU THINK YOU NEED FURTHER HELP A SUPPORT TICKET CAN BE OPENED FOR YOU BY CONTACTING US: [email On my opinion your laser tube is getting weaker, we have 3 laser machines in the shop and consumed more than 50 tubes in a time span of 8 years, I noticed if the tube is getting weaker the laser beam will get funky, sometimes doubled, sometimes getting bigger laser beam, sometimes if you set it to full power it gets weaker. Refocusing for thick material. CO2 Laser Cutting Thickness & Speed Chart For Wood Board (except rare hard wood) Material. This process is suitable for a wide range of materials, including metal, plastic, wood, gemstone . If Apr 4, 2023 · 3. Go to step #3. The wood is a very low absorbent of the laser energy and you will need to run probably around 10 ipm to cut through the wood. 5 KW, 2 KW, 3 KW, and 6 KW. For thin sheets, high power cannot be used because the dynamics of the machine is limiting, and for thick sheets, the oxygen cutting technology is limiting. The speed is measured in meters or feet per minute and is vital Im having a few problems with the loss of laser power the further the X & Y axis move away from the top left of the machine. I am using Lightburn software and a desktop computer. To check this, put a piece of masking tape over the head assembly where the laser enters, then do a quick test fire at both the upper left corner, and bottom right corner. 1. Here are some general guidelines for the ideal uses of different laser cutter power ranges: 10W – 100W: These laser cutters are suitable for engraving and cutting thin materials such as paper, cardboard, and thin plastics. Hope this is of help. Like I said I am new bear with me. May 7, 2024 · A laser cutting machine works similarly to a CNC machine, but it uses a high-power laser. I was told it was 3 years old and had occasional use by a hobbyist. After the laser beam is focused, the material will melt, vaporize and burn. Creality Falcon 10W losing power? As the title suggests, I think my Falcon is losing substantial power. For what speed to set, it depends on the material you’re going to cut and the depth you need. Check the Cooling System. AtomStack Portable Mini Laser Engraver — Best budget laser cutter. 3. link to my old quick over view vi Apr 8, 2022 · My little laser cutter has a “15 watt” LED laser (which might actually be closer to 1. Removed carburetor and gave it a good thorough cleaning. Click the link to add information to this solution: WHY DO MY 40W LASER POWER SUPPLIES KEEP FAILING? Glass CO2 laser tubes usually have two value ratings for maximum power: rated power or maximum recommended power and. I did and checked the following: 1. I have an epilog zing 24, 30w. If you run it at peak or above the Co2 will break down into H and O2 and it won't lase. Now, it’s easy to fall into a trap and think “I’ll just always run it at peak power. It determines how quickly the laser head moves, affecting the detail in the work. Check the power setting on software and laser panel just in case it has been adjusted (menu, laser set). Increase the digital setting by 5%. Fiber laser cutting machines are compact devices that generate a lot of heat. com. 5 MPa. For D1 Pro 20W/40W: 25V. 1% (4. This is sometimes noticeable during an alignment, where pulsing the laser beam produces a ring-shaped burn instead of a solid circle. The culprit could be a dirty laser head or a damaged optical path. Whether you are a Mar 13, 2023 · Power reduction due to absorption and scattering. Sep 2, 2020 · The video runs through the issues that may be causing a CO2 Laser tube to not fire or lack power. xTool S1. May 6, 2023 · After a period of time, the laser begins to lose strength/power, finally resulting in merely marking the paper instead of cutting through. I worked for Laserium for 10 years and dealt with calibrated lasers that put out 1 to 1-1/2 watt of light and this is similar in apparent (cutting) power. Incorrect size ¶. Ten-High Upgraded Version CO2 — Best laser cutter overall (Editor’s Choice) Triumph Fiber Laser Cutting Machine — Best for laser cutter for metal. I am trying to cut 1/4 black acrylic I can set the power to 45% 0. $2,300 at xTool. My laser was Issue with laser engraving losing "power" It's almost random, but what basically happens is that the engraving result is really inconsistent, it starts well, then the longer it goes on the thinner it engraves, up until the point where barely anything is burning on the wood. THE PDF TROUBLESHOOTING GUIDES REPRESENT SOME OF THE MORE COMMON QUESTIONS OR ISSUES THAT YOU MAY ENCOUNTER WITH A BOSS LASER CUTTER. Oct 17, 2012 · how to check your laser tube or power supply of laser machine problem Universal laser losing power. Is this variance likely to be of an amount that will make a visible Mar 7, 2024 · Laser power drops can be difficult to identify and rectify. Mar 20, 2023 · Laser cutters come in different power ranges, typically ranging from 10W to 6,000W or more. Common reasons for this problem include: Power Supply Problems. Adjusting cutting parameters and ensuring a stable operating environment also Jul 20, 2023 · LightBurn Hardware Compatibility Galvo. Press the control panel test button to check the ammeter status: a. You can change Brightness, Contrast, and Gamma. meaningfor exampleif i set the machine at 50% power and when it starts at the origin point at top left of machine which places the laser head closer to the laser tube output beamthe engraving is good and finebut as the laser head moves further away to the Yesterday, I noticed some cutting trouble and I noticed the amp meter reading fell below 10. For thicker stainless steel (12mm or more, up to 25mm), a pressure of 2 MPa or higher may be needed. 2. 72K subscribers in the lasercutting community. Your laser should have some options to determine the order in which lines are cut but one way for you to control that is to put different cuts on separate layers on to turn the print of each layer on and off in the order you want. My Origin is set at Top Left, so Max Y would be closest to the user, max X is on the Right. I’ve bought a 2nd hand laser 80W Red Black which I saw cutting before buying. Jan 6, 2023 · Ⅰ. Immediately after the machine is switched on it cuts perfectly and then after a few minutes it loses power. Most commonly know as the "eBay laser cutter" or "Chinese laser cutter", these devices are great for the price but take some setting up and a single place to discuss our journey seems like a good idea. com In this video, I will show you one of the possible causes of power reduction in your laser machine. Nov 3, 2023 · When the image is washed out, reduce power and Adjust Image. Try Epilog tech support. 130W Reci W4 Co2 laser tube engraver and cutter — Best for large working area. Laser seems to be losing power after a few mins of cutting. Is this an… Dec 15, 2023 · Check out our buyer's guide to find the best laser cutter for your needs. High laser powers only make sense for cutting medium thicknesses. It converts the incoming electrical power into the specific type of power required by the laser, which is typically a high-voltage, high-current DC power. not really a Lightburn problem, but I hope someone had the same issue and can help me to solve a strange problem on a fibre laser (50W JPT). 0 Power 90. Hello, I have a universal laser 50 watt air cooled metal tube and it cuts great for the first minute or so and then slowly loses power to a point where it barely etches the surface. aa ag vg pr xn yj al nn tu sa