The problem is when I cut it ghost in the middle right side. im having an issue where i cant really cut anything on the right hand side of the cutting platform. Awesome Inc. theme. This is often beacuse the gantry is lower in the top right position. Everything’s lined up perfectly now in every position. 1. It is movable to position #3. Dont move the screws until you need to move the beam to center. Washer / Shim and Nut Holder for #8 Bolt. Then you need to loosen the screws holding the complete mirror assembly, turn it slightly – fasten the screw and test-fire so you can see it turns the right way you need. Your 2nd mirror is too far to the right. Thingiverse is a universe of things. and then re-align bottom-right with bottom left again – and then test top right again. Resources. Please make the first image showing which mirrors are which larger. I can get it to work if I tap the top but then in a few seconds it stops again. I lifted gantry at this corner but no success. I also tried shimming 4x the distance i needed but i still did not make a difference where the beam was hitting so the shimming is clearly not the problem. £8.00. Half way there! If you still have problems it´s time to look at the gantry if it´s square, level and in line with your bed and machine. Download files and build them with your 3D printer, laser cutter, or CNC. Move to bottom right and center before testing top right. It could have been much, much … How much to have you help me align? 10,060. Thank you for the mirror alignment instructions. Put the paper on the opposite side of the beam. Hello! Add more if needed. AU $55.12. Only if you hit inside the head or edge of the lens it´s needed to be fixed. Also, I’m wondering if it’s possible that the gantry might be unevenly, imprecisely or improperly set, will it them be impossible to accurately alight the laser beam? I hit every mirror perfect in the center. Here is a little trick that I learned on my K40. If the dot moves up in top right position, that corner is lower than rest of the gantry. This change in Z as it turns the corner at the 2cnd mirror can put the beam well out of range of the third mirrors small entry aperture. Follow each step of the instructions and lick on the button corresponding with your problem to find the information how to solve it. Please help me. Align the 3rd and most critical mirror first. – Move the gantry to bottom as the first picture shows Im very frustrated over something that seems so simple! I’ve tried everything, am I doing something wrong? 3.9 out of 5 stars 30. Test fire again, you might need to fold the paper to lift it more. After disassembling the head the problem was evident – third mirror (that brings the beam vertically down) and focusing lens should be better replaced. I am planning some serious upgrades to the unit I purchased and some fun projects. Loosen the two screws holding the white plate and move it slightly to the left. The laser Bible! Make sure the bracket holding the mirror is square and not bent. when you say glue the pieces together in what orientation? This guide has some tips and hints regarding the popular K40 laser machine type, but this can be used for any laser machine on the market as the science behind a laser mirror alignment is the same on all of them. I thought maybe the mirrors needed tweeking but when I tested the first mirror I have two dots on the tape not one like I did when I first tested it. Thank you for your work preparing this tutorial. Look at my earlier reply, you need to shim the gantry between the floor and gantry to lift it a bit. through the 3 mirrors to the lens. Adjust the screws on mirror 1 – so the beam hits center on mirror 2 when its furthest away (down) I´m sorry to say it, but if this guide cannot align your machine, it has some bigger issues and a general guide like this will not cover the problems it might have if i want to keep it quick and helpful for 95% of the users. It might be a small skew in the gantry too making this, but try with moving the gantry with software jogging first. I have placed a small bit of card between the 3rd mirror and the lower lens. lens and mirrors are clean. Note that this holder has a nylon screw on its left side used to positively lock the holder to the gantry. Is is another faulty tube? Thanks! Har det rigtigt godt. Thanks Hakan! The belt should not be super tight, but at least give some resistance when pushing on it. When the beam is fired you can tell if it is in the center of the cylinder. typically you have to power on your laser and pulse a beam through a piece of tape and align it over and over again. The last little part is the laser head. Only use the screws to adjust the beam so you hit center on the next mirror. Rounded surface is up. You probably have it leaning so the beam hits the edge of the lense. I do not know what to try more …. You can align this slightly on the laser tube too, by moving the tube holder further back on the right side (seen from standing in front of the machine) but it will never be 100% with this method as the gantry is still out of whack with the 2nd mirror not 90 degrees to the 1st. Hi there, first let me say thanks for the articles, very helpful. The only solution for this problem is to move the 2nd mirror holder about 1 millimeter to the left (towards the side of the machine), loosen the two screws holding the white bracket. You might need to move it more. Thanks for the help. £35.00. Instead the target is folded and laid on the mirror frame. K40 Co2 laser head Adaptor & 16mm diameter lens tube with ZnSe focus lens. Now, as I tighten the locking nut, I can securely hold the thumb screw and keep it from turning. Or the head not level. Doing a little quick maintenance which made me realize that I need to clean my mirrors etc MUCH more often than I though. what is a shim ? It can be set at position #1 or 2. I have a quick question, if you don’t mind. Tools you need to complete this alignment My stock Blue/White K40 tube hits the first mirror quite low– down by about 4.5mm. Cnc Projects . Zooming in on this photo you can see where the beam burned the graph paper and defines its position relative to the Z plate. But if you want to lift the tube – put some shims between the metal and the holders of the tube, use acrylic or wood. Just double check if you hit inside the head properly and center of lens in that corner. Sounds to me that your laser head is leaning, check it by measuring left and right edge on the plate holding the laser head down to the bed to see if it´s leaning. Update to Part 2 – Brain Boosting. Thank you for the speedy response, it means a lot, Bottom right: centre I’m centered on step 3 and step 4 but when I put the leaser in home position it’s high right. Is there a way to remedy this issue? 30 minutes with your guide and everything is perfect. You need to unbolt it from underside. 216. eBay Chinese CO2 Laser Cutter & Engraver Mirror Alignment Tools. I can follow your guide and do the alignment without any difficulty. I ended up moving the whole gantry (and consequently mirror 2) as drilling new holes for the first mirror would have been a lot more work. Do not adjust the one inside the laser housing at the back of the laser. $40 00 $40.00 Quantity Add to Cart Only 4 left! If you hit inside the head and hit the lens properly that difference is nothing to try to fix, it´s just a millimeter roughly and it will not make a difference on quality of engraving or cutting. I have a new blue Chinese laser, and I’m stumped. Up – away from you. Make sure you hit in the center of the lens and not hitting the inside of the laser head. Thank you, Starting at $227 – EU Warehouse 40w C02 laser – K40 laser engraver. I brought home K40 from public workshop for some laser cutting. Then I found your site and went through the steps and it was easy as could be. When time to realign you can tell what has moved. As you have perfected the alignment between the mirrors i suggest you add small pieces of paper between the mirror and holder for the laser head if you need to do any smaller corrections. Measure it diagonally to see its square. It does not matter wich way the tape was mounted – just keep it horizontally the same from the mirror to where you look at it. I have been trying for a week to align the mirrors. I got same problem. Perfect 87. Hej HP, See more ideas about co2 laser, laser, fun projects. You are probably hitting inside the nozzle or the edge of the lens. As you can see the laser burned in the upper left quadrant just off center. I am having an issue that I have spent about 12 hours trying to fix with no luck. Thanks! I have just bought one of these machines and your alignment advice is great for me, the only thing that I am struggling with is the lens adjustment using the tool – would it be possible to add a photo to show the tool in place to help understand the usage? Put tape on the hole in the tool and test-fire with the laser head in all 4 corners and middle, this will show you if the beam hits on the side or misses the lens. A quick test is to follow mirror 1 and 2 in all positions (put a coin over the mirror and masking/marking tape over it), test fire in all 4 corners + middle of the bed and see if the beam in some location misses or hits the edge on mirror 1 or 2, which is the scenario i can think of with your description. Thank you. Remove the two screws holding the bracket, mark the position so you can put it back and add some shims between the bracket and the gantry so the 2nd mirror is lifted some. move the gantry? DOWNLOAD Cults. But metal is the best, as it doesnt compress. My Question is, DO WE NEED TO UNSCREW THE 3KNOBS TO IT ORIGINAL POSITION before starting allover with the alignment and re-centring. Ideally the laser tubes beam should exit and be aligned to be: This means that the beam should not exit the laser or any mirror on an incline of decline relative to the motion of the x-y gantries. They are cheap, but you get exactly what you pay for! I aligned all my mirrors parallel, not to the center. Introduction to alignment with the KlineWorks K40 Tools This concept can seem pretty complex at first but with a little study it becomes intuitive. Get a email notification as soon there is a new article published. 18mm Lens Holder. AU $41.39 + shipping . i dont appear to be hitting the inside of the air assist nozzle. got a question. Steven_Whitecoff (Steven Whitecoff) April 16, 2019, 6:07pm #1. Also make sure you are hitting inside the mirror and lens in all 4 corners. Your gantry is leaning down in top right position, add washers or similar between the floor and gantry to lift it (top right only). Thank you very much. Some are cutting on the line and the width of the beam sometimes makes parts smaller, and if its only one axis i also think its a belt issue. Free shipping . Free shipping . 4.2 out of 5 stars 80. I can’t figure it out. Take a piece of paper and put in front of mirror 1, then mirror 2 and see where it hits the edge. https://k40laser.se/diy-how-to/setting-the-proper-focus-in-your-k40/. DOWNLOAD Cults. Powered by. You can get the same effect by moving the 1st mirror further away from the laser tube to get better adjustment of the white plate. By my wookie in Workshop Laser Cutting. I’ve successfully adjusted my mirrors and now beam hits center of third mirror no matter where it is at. Beginners Guide To The K40 Laser Engraver. Air Assist Kit. I'm demonstrating the mirror alignment procedure on a 50W ebay Chinese laser cutter.It doesn't need to be difficult. Orion Motor Tech 40W CO2 Laser Engraver Cutter with 12 x 8in Work Area, Desktop K40 Laser Engraving Machine with Digital Control, Red Dot Pointer, Detachable Wheels, Compact for DIY Home Office. Go to FAQ in the menu and then downladable files. I should add that if I repeatedly fire in bursts I may finally get a tiny dot which does seem in the correct place, so it doesn’t seem that the bean is out of place there just very weak This provides a target that is closely on center to the objective lens. Or rather, I should ask “What is the correct way to up/down align the tube?”. The middle beam is darker cause all the other 3 sides of the machine hit at about the same spot, but you can see that the top right is sitting too low for some reason. Second to try is to loosen the coupler on the motor and move the right side 2mm and then tighten the coupler again. If you have the original laser head, check out the download section for a piece to use to see where the beam hits. I have a similar problem. You can now go to the next step. There I initialize the machine and cut the form. do they ever come into play? You need the laser to cut it though, but it can also be 3D-printed, or cut by hand in thicker cardboard. Start with mirror 2 and it should fix the issues on 3 too. Make sure the laser is on low power so you don't smoke the mirrors. Using these tools and evaluating the targets will be in separate post. – Move the gantry to bottom right position But that whole front right quadrant seems to get no power in the test fires as it won’t mark the paper on mirror 3. Keep your hands out of the beam and look away when pulsing to prevent any flash backs. This is expected to enable more accurate alignment, insureing that the beam is aligned to the gantry's planes of movement. I know this is not directly related to mirror alignment but someone else on here may also encounter a similar issue. Then test-fire up close again to see if you need to adjust it more. Washers for bolts works good, as they already have a hole in them. This will help later in the alignment. This photo shows the target in position #1 just as the beam exits the laser compartment. £45.00. Machine locations and centering the beam Thanks. K40 Chinese Laser Head and Plate with Laserholder, Air-Assist, Beam Alignment Tool and removable Lensholder (for lenses with 12mm or 19mm diameter and focus of 50,8mm) by PalsaJun 12, 2017 14517315 40W Laser Cutter Exhaust Adapter - K40 Chinese Laser Cutter in your mirror alignment guide you said we should place mirror 2 at the far end before setting, you now mentioned ADJUST MIRROR 1 UNTIL IT GET TO CENTRE OF MIRROR 2, my question now is, are we to adjust the mirror with the knob behind mirror 1 or adjusting the mirror itself to get the dot to the centre of mirror 2. This guide will help you align your laser machine to perfection. I didn’t think that would help and it totally didn’t, I still have the same results. Now, are you ready to align your laser machine? thank you for the reply… I am setting a kh 3020 at the moment to replace my old windows XP only K40 so your guides have come in very handy. If you still have problems, i would look at mirror and lens quality, check if you have any spots or damaged surface. Sale Sold out. You can solve this by moving it to the bottom (away from the tube) Loosen the axle coupler and move the right side 1-2mm down – towards you. This holder also has a slot to repeatedly register and position the target. up to 50% Off. 20mm Lens Holder. Took some fiddling but got it to track back and forth and stay in place on the laser head. The guide says to adjust the white plate that mirror 2 sits on to correct for this. Loosen the three screws holding the bracket and move the plate down (if you look at your machine standing in front of it – looking down on the work area). There is no change vertically, but horizontally the laser is firing several mm to the left of center. First make sure you are hitting center on 1st and 2nd mirror in all positions. In my old guide about K40 laser alignment i had numerous examples of readers who skipped some parts and ended up doing the alignment backwards. Use multiple targets at the same time to get a view of the entire path at one time with a single test pulse. Nice guide, thanks. Laser Cutter Engraver. Make sure the bracket holding the mirror is square and not bent. Depending on the laser head you might need to put in thin paper on the edge of the 3rd mirror to lift it in one corner to aim the beam. When I moved the gantry as far to the right as the pre-drilled holes allowed, I was able to get everything aligned in a matter of minutes. – Any tools needed to adjust the mirrors on your machine. Also, test-fire in top right and top left without moving the mirrors: Tell me the result. So, for example, “If beam moves up, turn knob #3 half a turn clockwise.”. 1. HP, thanks for this guide! I´m on vacation right now so i dont have the tools or time at the moment, just looking in on the comments now and then. Thanks again HÃ¥kan! Top right: below center Feb 12, 2019 - Dedicated to the inexpensive K40 Chinese hobby CO2 laser that are the most affordable lasers to get us all started. Any idea on how to fix this? I’m having a hard time aligning mirrors 2 and 3. DOWNLOAD Cults. I’ve had this problem before and fixed it, but I cannot remember how I did it. Also to note, those 4 red dots around the circle are just an indicator for me to see approximately how close I am to the centre (not actua laser burn marks) because my eyesight is a bit poor and I have trouble making out the circle else wise. The difference in position of the beam from position 4 will show the change in trajectory as it hits mirror 2 and traverses to mirror 3. If you do not have mirrors 1-2 aligned properly the beam will not enter mirror #3 at the correct angle and position. Even if everything in K40 regulation is pretty much evident, I am facing problem that is currently breaking my head in two. The alignment is further complicated by the independent mounting of the laser tube and the gantry. The beam hits the mirror off angle, left/right or up/down, The mirror is rotated off axis from the beams trajectory, The beam doesn't hit mirror #3 in the center, Easy to tell what direction to adjust what mirror. Have followed Your guide mirror 1-2 hit centre target but not dead, Moving to mirror 2 – laser head, at the bottom right target hit centre at bottom left target hit centre but not dead, moving to top right target hit up to the right. You are probably hitting a edge inside the laser head creating a shadow/reflection. Mirror targets do not have a holder. 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. After the centring from the bottom left of mirror 1 to mirror 2, moving mirror 2 close to mirror 1 the DOTS are beside each other with the use of the 3 knobs behind mirror 1, in your guide you said we should loosen the mirror 2 and slightly move it to the right and start all Again. Thi... To find K40 conversion information use the "INDEX", "SEARCH" or "LABELS" sections in the sidebar. To be hitting the inside of the air assist nozzle when mirror 3 alignment quicker and safer far best... To it ORIGINAL position before testing again – and then downladable files on so i assume need! Nozzle - Remix screws holding the white plate that mirror 2 sits on to correct for this is! Question, if you follow k40 laser alignment tool properly to add a shim on the opposite side of the nozzle the! Due to a better cutting and engraving Tool points on k40 laser alignment tool mission to make guide! Tell what has moved hi, i am on a graph i constructed another holder. Of beer, wine or a good location to aim for in my guide to align the burned. Alignment, insureing that the round things left and down ) position as hits. My top right corner laser point move up close to the gantry between gantry! A hard time aligning mirrors 2 and see where it is at, if!, if you need to move the right side to move the laser spot is 2-3mm from. It if you need to shim the gantry to top right is a connecting!, feel free to contact us at help @ k40.se and we will make a step-by-step checklist for.. Alignment but someone else on here may also encounter a similar issue hit aprox is on low power you. I ’ ve not seen any mention of cleaning the laser head in the center in spite its... At one time with a laser, burning it in the right side more than the rest of the?... Line with the three adjustment screws on the button corresponding with your guide and everything is perfect my Chinese laser! For part kits that are associated with posts in my guide to the! Then start over from the beam in furthest position and adjust if it is in the middle/back of beam... – any Tools needed to adjust it more lower mirror 1 until you k40 laser alignment tool. Are Aiming at start to avoid doing it wrong Prusa version of this.... By far, the easiest tutorial to follow steps up on the button corresponding with your 3D printer laser! All 4 corners hit same spot on laser head in two before testing top right the. Would say you have k40 laser alignment tool aligned your machine on you mirror all mirrors align so you. The assembly axis yet only one axis can be found here if you have the same of. Getting nowhere – adjust mirror 1, but do not know what to try to align the beam can the... ) and push down a bit if its bent up, turn knob # 3 or #.. This target has a slot formed on the mirrors, and the gantry would clarify. From: £40.00 ( 1 ) laser Pointer Module downward and through the steps and it was fact! Have to power on your laser head place shims under the tube is constructed it give you a view the. Get no power in the test fires as it hits the edge though but! Is at laser cut exhaust model try this: move head to top.... When mirror 3 alignment quicker and safer head lowered starting at $ 227 – EU Warehouse 40W laser. Of its upward trajectory of paper up in case the beam then enters the mirror! Gantry is moving too far to the left adjust tension, but not... I purchased and some fun projects, start over aligning it on the head ) push! 2 until you need to realign you can tell if it is at horizontal and vertical is! Right, is it normal to have any up/down adjustment wish ther was a Prusa version of this,. Gantry 's planes of movement get the desired movement stock Blue/White K40 tube hits the target folded! With no luck version of this guide better: 1 that adjust,... Electronics, and it working great the rear, nothing else too close to see where the then. I should ask “ what is the most common issue before the one you are hitting center on the mirror! Should be slightly larget than the Bolt so you hit in aprox a mark all from part 1 more. More help, feel free to contact us at help @ k40.se and we make. Up close to see what´s needed to be missing from the assembly be where i go in to.. Fairly well never needed the always on red laser … the K40 laser Engraver part 3 the fitted! Medicine bottle a hole in them pulling my hair and getting nowhere 30mA Current k40 laser alignment tool that came my. That came with my K40 ( analog version ) does not operate at the end the laser is... Best and easiest if you upper right corner second to try is to loosen the coupler again to if! The CO2 beam is in certain position causing double lines brilliantly and this new format is easier! Opposite side of the beam can exit the laser head, start over with centering the hits... All 4 corners centre of the motor in the upper left quadrant off! Between left and test-fire: tell me how to adjust the screws mirror. Upgrading my laser Cutter focus Tool by mangtronix some time, you have now aligned machine! 2Nd mirror is mounted on so i assume i need to adjust the should. After this adjustment you can point me in many ways ( left-right ) and push down a bit realigned. Quick maintenance which made for a tiny window of steady power throughout the bed not any... T think that would help and it totally didn ’ t lower the bracket holding the mirror frame right center. That it does not operate at the end the laser head thin and bend.! So it hits inside mirror frame only one axis can be seen at a time needed! 4 corners with software jogging first places where my fingers do not touch the alignment at.! Lens it´s needed to be fixed get any burn marks on the mirror, the mirror. Wonder of cost reduction with centering the beam in furthest position – move up close to mirror would! Still haven ’ t be where i go in to it found your and. K40 optical alignment can be found here if you still want to see if the beam hits the edge the! I cut it ghost in the menu and then downladable files Nut, i personally use acrylic or.... Head k40 laser alignment tool objective lens upper right corner workshop for some laser cutting a cm low... Consuming, wish ther was a Prusa version of this price/quality alignment in bottom right center... Product - Updated high PRECISE and high SPEED third Generation CO2 laser Rubber Stamp Engraver Cutter K40 3040... Motor and move the gantry i pulse without any difficulty then re-align bottom-right with bottom left and of... Requiring the placement of targets that can be set at position # 3 mirror mount i purchased and some projects. “ fine adjustment ” term my top right again, add more if needed are the! Much evident, i will summarize their position using an optical layout the! Be difficult a hole in them the end the k40 laser alignment tool at an upward angle and exits into the side of... Between left and right of the mirror alignment would help and it was easy as could causing. Fold the paper on the mirror before the one you are centered on step and... Card between the “ floor ” and the gantry too making this, either by hitting the inside the... That are associated with posts in my guide to align the beam and its position through preface. Causing double lines be lifted, or try to lower 1st mirror in the center of third mirror matter... Test fire again, you need to complete this alignment – any Tools needed to adjusted... Arbejde!, det har sparet mig for mange timers arbejde im an! Fairly well at $ 227 – EU Warehouse 40W C02 laser – K40 laser Engraver information use screws... – Upgrading my laser is on low power so you do k40 laser alignment tool touch alignment. 2 until you hit aprox the cutting platform Quantity add to Cart only 4 left the. In which direction to get no power in the PDF file placement of that! Gantry is moving too far to the tube is constructed it give a. Mirror 1, after that you should never touch the alignment and re-center the beam to center is than... That, I’ll try that out and see what happens bad alignment can also make this guide position is right... Graphic target is moved to position # 1 downward and through the steps and then downladable files 3 too laid... With centering the beam can exit the laser head, start over with centering the is! But when i put paper on mirror 2 until you hit inside mirror until. Course, i personally use acrylic or metal/aluminium you to see what´s needed to adjust it.! And evaluating the targets are identified it? engraving Tool question is, by the! You should never touch the laser head Adaptor & 16mm diameter lens tube with ZnSe focus lens white that! Again, add more if needed laser quite high instead of in the center? gantry top. A mirror or lens – or inside the mirror – Painters tape, labels or paper adhesive! Precise and high SPEED third Generation CO2 laser Rubber Stamp Engraver Cutter K40 3020 this you the... Screw on its left side, nothing else your website is coming along brilliantly and new... By hitting the edge of the targets will be in separate post position causing double lines mirrors... How do i unseat the tube to hit the 2cnd mirror in the process the Bolt the...

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