MK3S MK3S+. Eshop by Prusa Research a. Y- and X-axis belts: Both of the belts should be tight enough to sound like a low bass note when plucked. I've thoroughly cleaned the build plate with dish soap several times as well. 0-alpha Firmware for Original Prusa XL. https://help. 04 (Section 6) too, but the link and the book have different tasks to perform. 27/05/2022 Feb 22, 2024 · How to. Ignore the numbers. Turn the printer back right side up and fine adjust the belt Still waiting on my XL, but I do own a couple DIY core-XY printers and this is a common issue with this type of motion system. Always make sure that the parts of the printer are clean. What is that, and where do you get it? Dec 8, 2019 · RE: Mk3S update Y-belt-holder Y-belt-tensioner. This allows you to print massive objects quickly and with little to no waste. I used the Belt tuner app to get the same freque Jun 18, 2024 · The original improved Y axis belt tensioner is great but only works with the smooth idler shipped with the Mk4 because the genuine Gates toothed idler is 1mm wider. prusa3d. How to use it. However, the existing idler would allow only 1-2mm of range for tensioning (I'm thinking about future, if the belt gets significantly looser). 5 MK2S MMU2S CW1 SL1 MINI MK3S+ MINI+ SL1S CW1S MK2 MMU2 MMU1 XL MMU3 MK3. May 3, 2021 · How to tighten the Y-Axis belt on the Prusa MK3 3d printer. 😉 I’m happy to give you the first look at the Original Prusa XL, our upcoming large-scale CoreXY 3D printer with a 36×36×36 cm (14. Yet) So, I want to do it right for once! When I move my x axis I feel quite a bit of stutter (not stepped stutter) which I don't feel on my y axis. I've noticed the belts hit a resonance from time to time and vibrates visibly. Pictures of boxes and shipping notices are considered low-effort and will be removed. Long story, but I assembled my Mk3S with the X-axis belt too tight. A temp tower could also help here as well and seems like you already know to dry the filament. I recently repaired an old Prusa mk2s and it's been working phenomenally for quite a long time but recently I started using PETG on it for the first time and it started having major layer shifting but only on the y-axis. The 3D printing handbook says in 13. Every time I run a self test I get an x axis belt tension of around 170-180. It starts at about 5mm up on the z axis and shifts backwards about 10mm. That's it for the y-axis! After several hours of printing, various kinds of debris may start to accumulate around the printer parts or under the heatbed - pieces of filament, dust, scraps, broken supports, etc. Prusa XL - in pursuit of perfect printing My prints are still not perfect. After each layer, it will home the XY carriage and you can check for skipped steps, belts too loose or tight. For optimal performance, the belt must need some force to press together with your fingers (green arrows). bbf file to the root directory of a USB flash drive (Not within a folder). 5S/MK3S/MK3S+) Changing the print head; ノズルの交換／取り替え（MINI） Bondtechギアのチェックとアラインメント調整(MK3S/MK2. Adjusting belt tension (XL) Buddyボードの電気配線(MINI) ノズルの変更・交換 (MK2. Check your belt-tension. An over-tightened belt can cause an irregular movement in the X and Y axes. Aug 29, 2023 · Prusa Research aims to make it a bit easier with a web app that can measure tension via your mobile phone’s microphone and diagnose belt tightness, at least for their MK4 and XL printers. The belt tensioner location will vary, depending which X axis you are using. I did not look at the manual taking for granted that the installation was similar. 5S MK2. The lower the number, the more tight the belt is. 0) Mini RAMBo electronics wiring (MK2S, MK2. Possible causes for X/Y-axis. What to do? So far I've done: Full calibration, all points passed, belts tensioned perfectly, no bending of the Z axis. There is a belt tensioning section in the prusa help guides that show a tool to be used to tell you the right tension. on the y axis. Finally I took off the x-axis bracket, rolled the bearings just a bit to make sure the mark is horizontal, made sure to tighten the middle screw of the x-axis bracket first, and tightened all the screws pretty tight. 1099 USD / 1199 EUR (VAT incl. On the MK3/S/+, the belt status can be checked in the LCD menu - Support - Belt status. Different nozzle types. It didn't cause any issues until I started printing ASA… Dec 20, 2018 · For an average build machine, the "sweet spot" figure will end up somewhere near the Prusa specified range. Original Prusa MK4 Original Prusa XL Original Prusa MK3/S/+ Original Prusa MINI Aug 21, 2023 · Belt Tuner App - https://belt. There's a notch on the tool holder that is supposed to line up with the slot in the extrusion, but it can very easily be tightened while misaligned. Phase Stepping and crash detection You could have gotten a clog that was able to work free and then the extruder recovered or it could be a freak corruption of the file. On dual-head and five-head XL, with the tool in the parked position, loosen the M3x12 bolt to remove the dwarf-cover-door. If the screw does not reach the hole, it is necessary to remove the Y-belt-holder (the one already installed) and reposition the belt by one tooth in both printed parts - one tooth in each printed part Go to Support -> Belt Status and check the measured values. 5 and 3. Any more and you will cause damage and / or premature wear on bearings etc. SL1S Speed; Original Prusa XL electronics; PrusA64 mainboard electronics wiring (SL1) Registers MMU (MMU3) Spool placement; Toolhead status LED explained (XL) Top-bar Notifications (SL1/SL1S) Tune menu (XL) Dec 28, 2017 · Re: Use free span frequency (Hz) to check and set belt tension. The only thing I have done recently was adjust belt tension as I was trying to fix the occasional layer shift issue - I On the Original Prusa XL, adjusting the belt to the optimal tension is crucial to achieving good quality on the prints. X: 240 Y: 261. I am using it on a Prusa mk3, but it will work with other printers if using the same type and size belts. 5 nozzle default pla profiles. Remove the belt from the cogged pulley extending from the motor and set the motor aside. I hold my phone at right angle to the belt, resting lightly on the left side Y rail. Oct 28, 2021 · I designed a new x-axis (x) carriage for prusa i3 mk3 that accommodate a belt tensioner in it & in this video I assemble the new x-axis carriage & show how i Wondering if my x belt is too tight or if I should just let it stretch out some more over a week or so before trying to adjust it. Problem is, it is only available on Printables in G code form, so you will need to make sure the firmware version you have on the Mk4 will accept Mk3 g-code. 0. I was able to power through it but made a mental note that I should come up with an easier process. How to tighten them? By just visually observing the belts during printing, they seemed loose to me. The number does not represent any quantity. PETG. When using the app, make sure the microphone on the phone is closer to the belt. 5mm to fit the wider toothed idler and also reduces the other dimension of the cavity from 19mm to 17mm Jun 9, 2020 · Are you having layer shifts on your Prusa Mini 3D printer? Watch this video to learn how to replace the X-Axis belt and fix the problem. 5S? I designed this one - I printed it in PETG with 3 permimeters and 40% infill - the idea is similar to the mechanism of the Prusa Mini for setting the belt tension. Then install 3 square nuts in the plate slots, then resemble to the printer. com/More information about adjusting the belt tension on your MK4: https://help. you test with the screws loose initially, then again after tightening. The tensioner bolt adjustment seems to have very little effect. or too tight and the belt is noisy. Yes PETG is as safe as PLA. 85 votes, 22 comments. Insert the USB flash drive and push the reset A: Yes, it does – it’s vital for correct Input Shaper configuration (see above). My X = 200 Y=245, seems the 245 on the Y moves freely, maybe a bit loose, but probably is fine since I do not know what the 245 really means. Let's relaz all the tension and it seems like there is less stuttering. com/article/adjusting-belt-tension-xl_401793Steps I took to get a perfect tension: 1. The tension meter model is specially designed to check the tension of your Prusa printer's b Nov 25, 2023 · I made this tool to help you get your 2mm belts close and consistent. Then, remove the screws holding it into place. The lengths in this article are for an Ender 3, so you'd need to measure your belt length and do the math to get the correct frequency you want. On a correctly set up machine this does equate, roughly, to belt tension. com) I did not include the side mounted antenna holes since my machine has a centrally mounted antenna. I know Prusa is trotting out the Yet) : r/prusa3d. Start by getting out your 1,5 mm and 2. 5cm to the right layer by layer. Verify that your X axis pulley is correctly aligned and not touching the X motor. Tighten your belt until plucking it gives a low bass note - that is tight enough. After a few prints I checked the tension again. May 17, 2018 · Re: X-Belt Tension Adjustment. Heres the how to video. Accessing the Bondtech gear. RE: MK3S belt tension - how to adjust. Is it a fault of one of my settings? My setup: 0. 0in center hole for the stepper motor instead of 22mm on the original. Make sure the USB flash drive doesn't contain any previous firmware (. If it's misaligned, the tool holder will wiggle a bit as the sharpener attempts a tool change. Original Prusa MK4. Either way, re-slicing and using the new alpha firmware and slicer should help. First, with the power off, move the axis by hand; is it smooth? Does the resistance stay the same over the whole range? Download the latest firmware for your printer and extract it (zip file) on your computer. You will also find tips on how to adjust the X-Axis pulley ⬢ Insert the M3x10 screw into the Y-belt-tensioner and try if the screw reaches the threaded hole in the Y-carriage when tensioning the belt. All things related to Prusa 3D printers. Once you have a smooth print for 10 or so layers, check front alignment per the article. There should be no significant movement, as in no 'slop' or 'play' of any significance. The values should not be under 240 and above 300, but there is no single ideal value. ( Steps 13 and 14) If the Phase stepping calibration is interrupted and a "Calibration failed" message shows on the screen, check the printer's belt tension. I used a screwdriver between the plate and the frame to get the belt tight, before fully tightening the screws. Shipping information. I started with loosening the top screw and have since progressed to taking out the belt and putting it in looser, adjusting the x axis motor position a bit, and taking out the top screw completely. Phase Stepping and crash detection If you have the screen attached outside, for the y axis, I would losen the y-idler a bit, tighten the bolt under the y carriage (as you would do normally to tighten the belt) and fine tune the tension from the y-idler bolts after installation in the enclosure. Another test you can make for belt tension is to hold the stepper motor shaft with pliers and try to move the plate or the extruder. These values are updated each time you run the Selftest (LCD menu -> Calibration -> Selftest), or that you run a belt test (LCD menu -> Calibration -> Belt test). Prusa Belt tuner (beta) Tune your printer. 9, MK4 The correct range of tension is actually fairly small, and there is an objective way to adjust it, rather than "that sounds about right". If you can make the belt twang you are good. I think due to the heat in the enclosure the tension of the belt was reduced. English; Čeština; Deutsch; Español; Français; Italiano Stigglesworth. From Support chat: You can also print this belt tension meter and set the tension with its help. If your value is under (or close to) 240, you need to loosen the belt. I even tried the XL version of the rocket engine. You have to use PLA, and the gcode is pre-compiled. It does have one effect: it boogers up the screw it is pushing up against (one of the 3 screws attaching the motor). r/prusa3d. Re-tighten the pulley holders (They can be released slightly later if tension is too high). Printables Prusa XL Homing Tower. Actually it's not from prusa. It will put down a base, then home the tool head between each layer. Bear X axis (BearExxa, BearMera, Bondtech on Bear X axis): tensioner is on the right of the X axis (X end idler). X: 291 Y: 285. 5 MK2S MMU2S CW1 SL1 MINI MINI+ SL1S CW1S MK2 MMU2 MMU1 MK4 XL MK3. 3D Models. Slide one end of the belt out from the belt holder (right picture), move the belt in 2-3 'teeth' ( blue arrow ), and push it back into the slot using the 1. I suspect the speed of the steppers hitting is what excites it. Material you need: 2x M3x6 screws for the bracket and 1x M3x16 for the camera mount 1x M3 hex nut (optional) After printing, you can screw the M3x6 screws directly into the holder without having to cut a thread Apr 28, 2020 · RE: Y Axis Belt Tensioner for MK2/MK2. Jun 28, 2024 · I also flipped the pulley on the motor around 180 degrees so the belt was aligned inside the slot. The values should not be under 240 and above 300, but there is no unique ideal value. The 1in model has a 1. Like many things MK3, one wonders "how did this make it past the first meeting?" Step 10 X axis belt pre-tension. It will stretch out in a couple of weeks. When I contacted support (for another issue but where belt tension was relevant) they told me it's not official. Generally concidered to be slightly more challenging to print than PLA. That's fine, mine was the same right after Jan 9, 2023 · Prusa support told me the one for the Mk3S will work. Check that belts and pulleys are installed as is shown in the Assembly manual, and make sure the axis May 6, 2024 · If you perform this modification you will need to closely follow the instructions for belt tension and gantry alignment: Adjusting belt tension (XL) | Prusa Knowledge Base (prusa3d. That the number indicates my belts are too tight, which seems crazy. Details on the ideal tension of the idler screw can be found in Idler screw tension. 5. reading will be higher after tightening, esp. 6 mm nozzles. Move the extruder all the way to the X-end-idler and try the belt tension in the middle of the X-axis. LCD menu (XL Single Tool) LCD menu i3 (pre firmware 3. Nov 18, 2021 · Hello everyone, here’s the BIG news many of you have been waiting for (some might say that Friday came a bit early). I have to say that although assembly of the entire printer was a bit time consuming, it went very smoothly. Příliš napnutý řemen může způsobit nepravidelný pohyb os X a Y. I've changed the Prusa's Y idler by extending holes to be able to use longer screws. You can use a brush, a small broom, or a vacuum to remove debris. There are 4 machine choices but not the mk3.     Go to prusa3d. New firmware is a slam dunk if the noise is a big issue for ya, but I feel like there were other secret changes in the sauce too at least in the way the machine treats belt tension. 4 steel nozzle (I add +10°C for custom profiles), silicone socks, speed profiles, stiffened heads Your Prusa Mini and Mini+ has problems with the Y axis check the belt tension. Please select the printer type. 4 that values 240 +/- 40 are good, so I am in fact outside this range for both belts. I checked via LCD Menu - Support - Belt Status and the values reported are. It is 1 on the Original Prusa MK3S & MK3S+ (left picture) and two on the Original Prusa MK3 (right picture). Gradient printing with Prusa XL using dithering 😉 r/prusa3d • I made storage upgrades for the Prusa MK4 that use the hexagonal structure of the frame to attach to the printer. i had a lot of problem adjusting the y belt tension. 5 mm Allen key ( orange arrows ). Values between 240 and 300 are fine. The part that connects the belt to the heating plate tends to let the belt slip tooth after tooth In fact the piece is not strong enough to hold the belt properly. 5S) コールドプルテクニック(MINI) コールドプル (MK3. . Povolený řemen může způsobit Posun vrstev, Ghosting, nebo jiné poruchy tisku, například nepravidelný tvar místo dokonalého kruhu. Jun 14, 2023 · For MK4 and XL Prusa make app for tension belt:it be grat to have it for MK3S+ and MINI+ ! Français. 5, MK2. I find if there is a lot of resistance trying to pinch the belt to itself it is good. Original Prusa XL. Uneven belt tension is one cause of this. Using the 2. So I thought. 9, MK4) #13702 Oct 30, 2020 · That the Belt Test number I get, in the range of 221-231, is too low. 5. On a bad machine with poorly sliding axes, the belt status will be at the lower end of the range. Make sure the tool holder doesn't move easily if you try to push it left and right. Infill patterns. And, the link says to attach a belt tensioner. Jun 14, 2023 · The belt tension figure is a measure of the resistance felt by the stepper when moving the axis. This worked fine for me so far. Some things need to be checked, even on assembled machines, such as belt tension and z-offset. I meant the X axis looks lose. A lower value means more belt tension, a higher value means a more loose belt. I want to do it right Mk3s (not plus. Posted : 27/08/2020 4:50 pm. Once you are in this range, try the app again. Prusa MK3 y-axis Belt Tensioner by Fra085 | Download free STL model | Printables. 9. You can rotate the printer about 45 degrees left to Nov 28, 2023 · Instead, I decided to use the idler for adjusting belt tension. com. thanks MK3S MK3 MK2. I'd expect only 1-2 hz higher on x. If the issue persists even after the tension is correct, deviating towards higher or lower values might be necessary. This modification increases the width of the idler cavity from 10mm to 10. Check your belt tension, then run the PLA homing tower Gcode. 3. Aug 26, 2020 · RE: MK3S belt tension - how to adjust. connect. If your value over (or close to) 300, you need to tighten Dec 31, 2017 · Anyway the plate mounts to the X-Axis motor with hardware I had in the Spare Parts Kit. Aug 3, 2021 · I determined the higher the number the looser the tension, so 0=no movement (in theory) and 255 (assuming this is the high number) would be loose belt. 255 is the sweet spot afaik. Recommended values are between 260 and 290. Thanks for the help. so go dead center or only a tad above, and when you tighten you'll still be within the target range after tightening, and as you print the belt will slacken a bit No resolution for non-working XL : r/prusa3d. Overall, Input Shaping without an accelerometer is the exact opposite user experience that Prusa normally goes for. I thought the same because of the username. Oct 24, 2023 · It's specially designed to check the tension of your Prusa printer's belts. It works with Original Prusa i3 MK3/S/S+ with the belt GT2. But other things can affect mechanical resistance. Check the tension of your belts. I've rebuilt my X Feb 9, 2024 · RE: Is there a Maintenance Schedule for the XL? Thanks for the link, I found some stuff in the 3D Printing Handbook for the Original Prusa XL v1. Given that they are under tension and changing length all the time it is bound to hit a resonance condition at some point. 240 is on the tight end but not by much. We're selling Original Prusa 3D printers (incl. belt tension app. The MMU2S extruder has one screw, but some Jan 15, 2022 · 2) Readjusted my Y pulley to center the belt (actually turned the pully around to better center) 3) Readjusted my X pulley to center the belt 4) I'm printing the ECOR tower as we speak to do the Extruder Linearity calibration Úprava optimálního napnutí řemenů u tiskárny Original Prusa XL je zásadní pro dosažení dobré kvality tisku. Slight adjustments MK3S+, MK3. You can very quickly dial into the perfect belt tension. Since the mic is usually on the bottom of the phone, it might mean holding the phone upside down. My next print will be that belt tension tool. Most often it indicates an issue on the hardware level, and as it is the same method used for Crash detection on the Original Prusa MK3/MK3S/MK3S+ printers, the issue should initially be troubleshot the same way. . Apr 4, 2024 · Prusa Mini+ upgrade, Now you can adjust belt tension on Mini+ whilst still having x axis skew correction, Based on the R8 upgraded version x end, Just assemble as per the vanilla x end, but install the additional 2 pieces (threaded screw and guide) to adjust belt tension. MK3 MK2. Maybe input shaping would frustrate that and break up the input and reduce the Nov 24, 2020 · It's a short manual on how to fit the tension meter on the belt. Prusa XL adjusting belt tension. ) The Original Prusa XL is a unique large-scale CoreXY 3D printer with a build volume of 36×36×36 cm (14. Seems to be working well for me. X axis 88 Hz (was 103Hz when freshly assembled) Y axis 74 Hz (was 83 Hz when freshly assembled) The belts are lower tension now which is what I guessed might happen. It uses 2 M3 screws (18 or 20 mm) with 2 M3 nuts. In the Prusa belt tension article, there is a link to a printables gcode for a homing tower test. That I can adjust the tension by loosening the stepper motor, adjusting that little stop-screw, and then tightening the motor back. Here's direct quote from 2 emails I exchanged with them: I have not seen this device to test the belt tension before, so I'm not able to confirm it's accuracy HELP. For a superior built machine, the belt status will be higher than spec when the belt is at sufficient tension. 17''×14. At the price point of the mk4 it's hard to believe the accelerometer was where they decided to cut cost. On single-head XL, it is possible to gain access by rotating the dwarf-cover-door. , company founded by Josef Prusa, one of the RepRap core developers. Okey. Log in to be able to post. Apr 3, 2021 · RE: Belt tension on Mini. Simply place the tension meter on the belt and check the deviation of the indicator whether the belt is correctly tightened (indicator between MIN - MAX), or too tight (indicator above MAX), or Jun 14, 2023 · RE: Prusa Belt Tension App for MK3S+ ? Greg Saunier originated this technique, and you can find instructions and a link to a more generalized app in his assembly guides for the Bear Extruder and X-Axis, and the Bear frame upgrade: Original Prusa XL. I'm able to deflect them easily to touch. This should help you get the belt tension on a mk3 and mk3s somewhere between the 240-300 that's recommended. 5 mm Allen key, release the spring-tensioned idler-screw (s) completely and open the idler door. s. bbf file) Copy the new . However, as the belt tensioner parts are printed in PETG, the material might creep, decreasing the set belt tension. 5, MK3. 17'') and an optional toolchanger to operate up to 5 independent toolheads. Reset the belt, noting that every two notches will adjust the tension rating by about 25 points. Considering that the belts on the Prusa are standard, reinforced toothed belts it most likely will not stretch over time. I found this upgrade to be important. My chief complaint with the entire build was the way that it approached the tensioning of both belts. 5/MK2. Be sure to make the same adjustment on both sides. The X axis seems a bit tight as I have been getting If you have an MK3 or MK3S you can go to the LCD menu -> Support -> Belt Status. Print instructions Jun 3, 2021 · X/Y Belt Tensioner. I don't think this applies to too many machines in the wild. I don't believe this works with the new updated MK3 design with built in tensioner, but shouldn't really be needed on that design anyway. Y-BELT-TENSIONER (1 pc) Reviews are provided by registered For some reason the thick outside wall decided to not be a vertical wall but moved about 1. i had to loosen the y belt idler, but it became wobbly. Original Prusa MK3 (S) X axis: tensioner Feb 19, 2019 · 4. On the Original Prusa XL, the dwarf-cover-door prevents access to adjusting the idler tension screws. Had to move the belt 3 teeth. After print I ran the axis tests again and my y axis failed. I recalibrated xyz, lubricated all rails, put w0lfwood. The original Jun 14, 2023 · RE: Prusa Belt Tension App for MK3S+ ? Greg Saunier originated this technique, and you can find instructions and a link to a more generalized app in his assembly guides for the Bear Extruder and X-Axis, and the Bear frame upgrade: Feb 19, 2024 · Thanks for the help! I messaged Prusa, Andres and I did some diagnostics and over several prints noticed a reliable failure: the small diameter rods which extend at an angle will break off. In case you can’t find the answer to your question on our websites, we are providing full 24/7 customer support via live chat and e-mail in several languages. Any other way to check the tension, Prusa have a nice device you print "Tension Meter" but must be printed in Prusament and PETG, I don't have that at Firmly grasp the X-axis motor so that it won’t fall. If you have an MK3 or MK3S, check the Belt Status numbers via LCD menu -> Support -> Belt Status. 5 mm Allen keys. 5S) Original Prusa SL1 vs. After each turn or two check the tension in the belt by pressing them together. I retensioned the belt and now the test is at least not failing anymore. If your value is under (or close to) 240, you need to loosen Ignore the number. Remove the belt from y-belt holder, insert or remove belt so that the desired number of notches are inserted into the belt holder (1 notch will yield about 25 points of tension). Update: I did achieve some success decreasing the noise! I tried the lcd with no change. Sudden bed adhesion issues (Prusa XL2) I'm suddenly having a lot of bed adhesion issues - just using smooth sheet, . Prusa MK4, Prusa XL), filaments (especially our in-house made Prusament), resins, and other accessories for 3D printing. Not compatible with. When I need to check the belt tension X and Y I can use the Prusa belt tension app. Belt tension. •. Go for the hot water and washingup liquid scrub to clean the plate. See photos for assembly . Y BELT TENSIONER BL MK3S. If the Phase stepping calibration is interrupted and a "Calibration failed" message shows on the screen, check the printer's belt tension. Messing with the belt itself it is notably looser than before but the x Apr 3, 2024 · RE: 6. 9 MMU3 MK3. Show off your prints, or ask a question. I redesigned the part to be very strong :) This part use the originals screws. thank you for the info. 9 Recenze jsou poskytovány registrovanými 4 days ago · This is an easy way to mount a Logitech C270 camera in the original Prusa enclosure holes. Napsal : 27/08/2020 4:50 pm. Looks like a belt tension issue. An extra plastic part for your 3D printer from high quality PETG. com/article/adjusting-b Turn the whole printer over to its side to access the bottom of the printer (left picture). A loose belt can cause Layer shifting, Ghosting, or other print abnormalities, like getting an irregular shape instead of a perfect circle. This print was originally intended for 0. Prusa Connect and PrusaLink explained. They shouldn't be too tight, or the motors will struggle and heat up a lot more than they should. Your 4mm gap at the front is usually a sign the gantry is racked, meaning the X axis isn't perfectly perpendicular to the Y. 17’’ cubed) build volume, next-generation extruder, new hotend, segmented bed, and a tool changer! May 21, 2018 · Loose X and Y axis belts. so oc qp mm sw dq pc el bn be