Prusa belt test

Jak zkontrolovat napětí řemenů pomocí naší aplikace belt tuner se dozvíte v instruktážním videu níže. on the y axis. However, just for curiosity I did the belt test again to see if they had stretched any after a few days printing. Then select a printer model and an axis to test. ⬢ You can change the tension in the belt by adjusting the M3x30 screw below the Y-carriage. I'd expect only 1-2 hz higher on x. ⬢ Using Allen key tighten/release the screws on the front plate. I printed a beautiful Benchy, but four days ago, I found the x-axis struggling. ⬢ The next step of the wizard will prompt you to touch the nozzle to test and calibrate the Loadcell. and no problem for many months and versions before that. Tension the belt, by tightening the screws in the x_end_idler. 3. We prepared a specific test GCode for the dual-head Sep 25, 2019 · RE: I'm stumped: Self Test Error: Axis Length: X Axis. Clean and lubricate the smooth rods, using moderate quantities of Prusa Lubricant (lithium-based grease). 1 firmware is such an epic dumpster fire of shittyness that I really start to question my decision. Then, cleaned and lubricated the X and Y rods. Jun 26, 2024 · PrusaSlicer G-Code Viewer. I'm not sure what's happening. 59m. hayror2141 6 months ago. Messing with the belt itself it is notably looser than before but the x Loose belt pulley test. A loose belt can cause Layer shifting, Ghosting, or other print abnormalities, like getting an irregular shape instead of a perfect circle. Values between 240 and 300 are fine. We currently parse, and up to some level interpret, G-code from PrusaSlicer, Slic3r, Slic3r Step 15 Wizard: Test Loadcell. w0lfwood. Advertisement. The belt should stay straight and should not bow up and skip over the drive pulley teeth. Do an XYZ calibration. Anything with a screw going into a printed part was 1/4 to a full turn loose. My belt status shows that I am currently at 250, however, the belt is very, very loose. Log in to be able to post. Do this while trying to move the extruder to the left or right. Details below. you test with the screws loose initially, then again after tightening. Take a clean small cloth, clean the rods, then put a little WD40 on the rods with a clean cloth. It is a bit hard to tell from the video but it looks to me like the part of the belt nearest the motor is offset slightly to the right where it fastens to the carriage. 40 mm. prusa3d. Now, it is failing only the x-axis test (though it seems to refuse to run any other axis tests Prusa Belt Test Dale25 1 followers Follow 78 25. Next, I performed the belt test. 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. 0-3421. on 3. The self test is only needed for printers built from a kit. The tension meter model is specially designed to check the tension of your Prusa printer's b Mar 2, 2019 · If the Y axis belt is too loose the test will fail. 5S MK3 MK3S MMU1 MMU2S MK2S MK3S+ MMU3 MK3. This self test was done twice because the first time I answered the final question about whether Aug 29, 2023 · If you have a Prusa MK4 or XL and want to try their new method, go here and allow access to your device’s microphone. s. 1 again with a 10 foot pole. Causes sudden motor skipping. 0 I skipped 5. Designed for the GT2-20 pulley (15mm diameter) with 3mm axis. My Y axis was bumping the front of the printer so I decided to recalibrate. Since the mic is usually on the bottom of the phone, it might mean holding the phone upside down. I didn't mention that just b Sep 1, 2023 · The new app analyzes belt vibration via the smartphone microphone. As for adjusting sizes in Slicer: Have you ever noticed the X Y and Z scale factors? The idea is that the belt should be tight enough so the axis doesn’t move if the motor is stationairy, dont overtighten it though. Flat First: Drive gears must be tightened flat-first. If you have an MK3 or MK3S, check the Belt Status numbers via LCD menu -> Support -> Belt Status. Nový způsob - Belt tuner app. However, the existing idler would allow only 1-2mm of range for tensioning (I'm thinking about future, if the belt gets significantly looser). https://www. I've changed the Prusa's Y idler by extending holes to be able to use longer screws. This calibration is also recommended after a nozzle crash, or if a custom nozzle is in use. Poor bed adhesion: My first test benchy came out great. For a superior built machine, the belt status will be higher than spec when the belt is at sufficient tension. How to test 'em all? In th Dec 31, 2020 · Belt tension numbers not even close to accurate? Hello, I recently had my x-axis disassembled for some maintenance. The printer will not perform the Z-axis test if the Loadcell test is skipped. See full list on help. Adjusting the belt tension as before did not resolve the problem. Updated Nov 5, 2022. May 19, 2020 · RE: Dimensional Accuracy, test print and calibration. This assumption is probably why some Prusa designer thought it would be useful. First Layer Test by xx77Chris77xx. I tried the following so far: - check belt tensioning & pulley alignment. A lower value means more belt tension, a higher value means a more loose belt. You will also find tips on how to adjust the X-Axis pulley Prusa Pro HT90 is here: The Only 3D Printer an Engineer Needs + Introducing Prusament PEI. This worked on mine. 6). The protrusion must be facing down. Printing one of these little testers would have saved me many failed prints! 3d printed parts collection: https://www. Maintaining optimal tension is important for overall performance and frequency can effect speed and print quality. Make sure the steel ball part is closer to the side of the heatsink. Printed with PETG, 15 % infill, 0,1 layer height recommended, 4 perimeter, no support needed. I noticed a skip/stall for a fraction of a second while doing the test, does this every time, same place. 5 MK2. Today, I had another major failure, so ran the belt test. During this procedure, the parts of the printer are not heated, you can touch the parts of the printer. 2 to 5. 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. After the belt test, I got X: 248, Y: 273. 8. The inbuilt measuring of belt tension on my MK3 does not appear to function correctly. r/VoxelabAquila • I’m having issues with my prints. 00 g. 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. The part with the non-adjustable bolt hole goes to the back, nearest to the Y axis servo mount. Snip off any excess material. Make sure that your printer's belts and pulleys are properly tightened and that the belts cannot jump over the pulleys. Feb 2, 2022 · 一部リンクにはアフィリエイトが含まれます。 3Dプリント師【ヨーヨーメイカー】さんのキリヌキチャンネルです。ナレッジベース Prusa MK3Shttps Eshop by Prusa Research a. PLA. Dec 5, 2021 · The belt tension figure is a measure of the resistance felt by the stepper when moving the axis. I push the carriage all the way back and the 3D printed part under the carriage hits the 3D printed part around the Y motor fine. I'd bet you would be good then. Jan 30, 2021 · RE: Y Axis Belt Alignment Problems. Hi, I flashed the new firmware 3. This worked fine for me so far. After selecting the printer type and axis, the app shows in real time whether the tension is optimal, too high or too low. Step 40 Tensioning the Y-axis belt. but calibration goes well, printing also, just the selftest that does not test. 20 mm. If the belt is loose, Remove one side of it from the case. Prusa Community – 3D Printing Filament sensor? Skipped steps and layer detection? Power panic? Our Original Prusa i3 MK3 comes with lots of new safety features. Turn the printer back right side up and fine adjust the belt Turn the whole printer over to its side to access the bottom of the printer (left picture). Nov 24, 2020 · It's a short manual on how to fit the tension meter on the belt. Prusa MK4, Prusa XL), filaments (especially our in-house made Prusament), resins, and other accessories for 3D printing. But these values also reflect the level of general friction, which makes it interesting to compare frequency to Prusa readings. The parts were delivered promptly. There was a slight improvement on X, while Y looked unchanged. 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 It has been passing the Y test on previous official firmwares; 4. In the Prusa belt tension article, there is a link to a printables gcode for a homing tower test. 2, 5. Mar 29, 2021 · Firmware 4. When doing the self-test I have a failure for x-axis length I cannot solve. 6. He's defined perimeters and infill to give the strongest, lightest parts. The initial self test passed with no problems. Jul 25, 2023 · RE: Y-axis self test failing consistently. Well the truth is they all w Mar 5, 2021 · Demonstration of the issues of my Prusa Mk3s printer's Y axis encountering resistance while moving. auto home did not solve it for me, It seems that it does not even try the x axis test, just immediately fails. 3× print file. I started out thinking "this will be easy, I'll just test different settings and see which works best". Nov 15, 2023 · To tension the Y-belt just turn the adjustment knob. Dec 4, 2019 · Belt test improvements (No display alteration) #2492 Merged vintagepc pushed a commit to vintagepc/Prusa-Firmware that referenced this issue Feb 29, 2020 Apr 11, 2020 · How to fix the "selftest error length x" for Prusa 3d printer. First Layer Calibration (i3) The First Layer Calibration is used to calibrate the distance between the tip of the nozzle and the print surface. Posted by: @john-r-4. The aim is to adjust the nozzle height until the Calibration > Basic calibration. 9Hz and Y=44. From Support chat: You can also print this belt tension meter and set the tension with its help. I bought a factory-assembled Prusa because of the legendary reliability the brand is known for, but the 5. In this way, Prusa wants to make setup easier, especially for beginners. Starý způsob kontroly. _andrewe10 • 2 yr. On a bad machine with poorly sliding axes, the belt status will be at the lower end of the range. Follow. by Hironori Kondo, Jackson O'Connell. Nov 25, 2023 · Self-test passed without any issues, printer prints and I won‘t touch the 5. It keeps saying that I need to check the axis length. ⬢ Using a finger on your left hand push the belt down. Extruder maintenance is a breeze (though the recent Prusa extruder changes improved over earlier iterations ). Its behavior is identical to the preview in PrusaSlicer (the same code is used), however, you can load an external G-code file. If the bolt comes loose, Y homing has problems also. A less tightened belt will result in a lower tone. The X-axis again failed. Check the tension of your belts. Sep 29, 2019 · And the Y belt drive gear should be attached using the flat first method: fully loosen both set screws, carefully align then tighten the set screw on the flat of the motor shaft; and then tighten the jam set screw. Z-axis. 2. Aug 21, 2023 · Belt Tuner App - https://belt. Nov 19, 2023 · Prusa Research @Prusa3D. 2Hz, while the stock values in the PrusaSlicer profiles are X=50. 1) Start with both set screws fully loosened so the pulley is free to spin on the motor shaft. We introduced our new state-of-the-art industrial 3D printer, the Prusa Pro HT90, at FormNext 2023 where it generated quite a buzz thanks to its support for high-end materials and various innovations to improve print quality. ⬢ Insert the Prusa ball holder assembly into the heatsink. Mar 21, 2022 · Well this was a journey. Endstop works! During the self-test the printbed moves to the endstop, you can hear the endstop click. A 3 X 3 grid of 1 layer high squares for checking that the bed is level. 0 we improved the belt test, but there have been some issue reports: Belt test value changed significant. For example, after noting X tension was 290, I released the belt one notch (I LOOSENED the belt) but the X tension reading actually went up to 300, yet the belt is clearly too easy to pinch I just ran an XYZ calibration on my prusa after not having used it for a few weeks and I keep getting the same message "XYZ calibration failed. No clue why Y reads -1. 194. When my X belt tension read 207, I got failed X length almost every time. Note the correct orientation of the Prusa ball holder assembly. Check if the M3x30 screw that holds the fan door is firmly tightened. printables. Loose pulley - {XY}: Make sure that both pulleys are properly tightened. Some force should be needed for bending the belt, BUT don't try to overstretch the belt as you might damage the printer. Make sure you follow all of the printing suggestions from gregsaun. Reply. There's always better, even for the best. The X axis seems a bit tight as I have been getting Every time I run a self test I get an x axis belt tension of around 170-180. Please consult the manual. reading will be higher after tightening, esp. Step 4 Installing the filament sensor. Oct 3, 2022 · 5. com Turn the whole printer over to its side to access the bottom of the printer (left picture). As stated by brescoli, putting the belt holder in correctly is critical. com/collections/up Put the belt back on, leave the pully grub screws loose and run the x carriage back and forth several times for the pully and belt to find their equilibrium then align and tighten the pully grubs (one against the flat side of the motor shaft). Belt test randomly creates errors on x and/or y axis. @patrick-s50. I loosened the adjuster clamping screw and was able to squeeze the two adjusters together using my fingers by pinching as close as I could to the May 20, 2020 · New belt status test, completely different belt values. 2) Align one set screw dead center with the flat on the motor shaft, slowly tighten the screw until it fully contacts the flat surface. Trying all kind of tensions, all failed. May 2, 2022 · Turn off the printer. Jul 29, 2020 · Running the belt test, the Y axis shows 280, which I’m thinking is fine (should be between 240 and 300?). After tightening the screws to the X-Axis motor it passed the self test. Aug 5, 2023 · RE: MK4 x axis self test failure. I have been adjusting Y belt for over an hour now. Pak zkontrolujte LCD-menu -> Podpora -> Stav remenu. Feb 15, 2017 · Twinning and twanging. It didn't cause any issues until I started printing ASA. Nov 28, 2023 · Instead, I decided to use the idler for adjusting belt tension. After that, the printing bed moves back about 1 cm and brings the error! The Endstop Y must work as it strikes and returns during bed calibration. 9. If any of them is loose, then the motor's shaft won't be able to move the axis. My number is back to 224. On a correctly set up machine this does equate, roughly, to belt tension. Once you are in this range, try the app again. This post was modified 3 years ago by jwvaughn. Square and Circle by CBruner. However, you can tell the x-axis belt is less taught than the Y-axis belt that shows 260 by pinching the belt. ago. Jun 19, 2020 · With FW 3. I hold my phone at right angle to the belt, resting lightly on the left side Y rail. com/social/18197-jurassic73/collections/439942 May 3, 2021 · How to tighten the Y-Axis belt on the Prusa MK3 3d printer. Feb 19, 2021 · Looking for ~90hz on each belt for proper tension. Jan 4, 2019 · Adjust belt tension on X and/or Y axes. 5 mm Allen key ( orange arrows ). com/More information about adjusting the belt tension on your MK4: https://help. Combined First Layer + Adhesion Test by R3D. This machine was assembled less than a week ago, and it passed the tests. To improve the shown LCD belt test values (issue 1. Click on Continue. 1. Just before flashing it, I run a couple of seltest, and looked at the belt status values. The Y axis belt holder is part of the bump stop. However, my next print - which was a fairly large speaker grille, almost the entire length of the PEI sheet, popped off mid-print and failed despite me cleaning it beforehand with IPA. 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. Is the fact that it's showing a lower number (tighter) when it's in fact more lose than a 260 belt status Y-Axis an indication of a failing stepper motor? Tightening the x belt is night and day from stock. Plus it looks unique with our coloured frames! Nov 22, 2017 · This video focuses on improving print quality on your Prusa 3D printer (I have the MK2S model) by fixing issues with parts shifting on the x-axis of the bed. connect. After each layer, it will home the XY carriage and you can check for skipped steps, belts too loose or tight. Immediately after the flashing, I run the new standalone, belt status test. May 9, 2021 · RE: When to replace those X, Y belts? I printed the tension meter and adjusted the X and Y belts separately so that the arrow points to around the middle of Min and Max. Mar 22, 2021 · Hello All, I assembled my MK3S+ end of last week, and apart from a few minor PQ issues everything seems ok. But - once dialed in - any belt tension changes or wear will affect the cal. Dec 28, 2017 · Prusa's firmware appears to take many SG_RESULT readings while the motor moves, and reports the averaged values. My Y-axis belt adjuster was not sliding easily and I thought the belt was tight enough because it looked like the adjuster was starting to bend. Before the flashing, the results were X-axis 284, Y-axis 268 Feb 1, 2022 · Prusa X Belt Not Working. Initially, I replaced the belt pulley and belt and re-tested the printer. 0. jwv. I ordered replacement parts from Prusa (pulley, belt, additional LM8UU bearings just in case, and an X-axis stepper motor. Mechanical and 3d printing issues can appear when belt tension is either too high, too low, or unbalanced. Prusa belt tunner doesn't work, but I have tried another frequency app to make my belt at ~98Hz I had an issue before failed X after updating from 4. •. ) we would like to ask you to report back here which belt test Step 2 Tension in X (on extruder) Remove 4 screws on the back of the extruder assembly. gearb Dec 25, 2022 · How to adjust the timing belt tension: https://prorifi3d. The first test is a basic first layer test that you can use to check whether your bed is level across the surface. I disassembled only the x-axis, lubricated everything, and put it back together. 5 (S) (S+) and MK3 (S) (S+). The Bear Frame Upgrade improves stiffness and reliability of the original Prusa i3 MK2 (S), MK2. As mentioned in my earlier post, the test gcode (with graduated frequency changes) suggested X=38. 2 no problem. 7. The recommended setting is 240 - 280 so I think there may be a problem with the belt tension. 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). We're selling Original Prusa 3D printers (incl. 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. brown belt test. To adjust the gear, first loosen the jam screw, then the flat set screw or you risk stripping out the hex. 5. Jul 18, 2019 · RE: Selftest Error: X Axis length. An over-tightened belt can cause an irregular movement in the X and Y axes. The values should not be under 240 and above 300, but there is no single ideal value. Cause for Error: -Your extruder can't move as freely as it would likeSolutions:- Lube the rods Jul 10, 2017 · I had the belt misaligned a little bit on my Prusa MK2S 3D Printer and this video goes though the issueNeed a 3D printer, or related items. 1. Nothing is stoping it’s movement. Take your printing to the next level with the best Prusa i3 MK3S and MK3S+ upgrades. There is a protrusion on the part. com/pages/how-to-tune-your-timing-beltGet low vibration motors: https://prorifi3d. Let me know if this isnt clear and i try to explain it another way! Edit: Also the self test should let you know if it is Jan 6, 2023 · RE: Input Shaper with Klipper Testprint. You can rotate the printer about 45 degrees left to Sep 21, 2018 · This can be measured using various free phone app such as 'n-track'. Mar 21, 2020 · When using the "Belt Test" option in the calibration menu, the printer quickly stops the test and says "Selftest Error: Please Check: Axis, Axis X" Please note, all my XYZ calibrations work fine an Dec 20, 2018 · For an average build machine, the "sweet spot" figure will end up somewhere near the Prusa specified range. Jul 19, 2022 · I built a MK3S bear with some official parts and some generic ones. That'll get you as close as possible; then you can make fine tuning adjustments in the firmware. " It goes through all 4 points and fails at the end. Pull the belt tight. Having printed for a few hours already I was bouncing between firmware and the X-Axis kept failing the self test after previously passing. The X axis tension, on the other hand, seems to be a bit too tight with a value of 139-146 If this is indeed too tight, then the obvious solution would be to disassemble the E axis back and loosen the belt. I am currently assembling the Prusa I3 MK3S+ Printer kit, and am running into issues when doing the belt test for the X-axis. Jan 9, 2023 · Prusa support told me the one for the Mk3S will work. The motor load increases with higher belt tension, which is why the Prusa values correlate with belt tension. . Perhaps it needs to be inserted a bit more deeply in the clamp. Once you have a smooth print for 10 or so layers, check front alignment per the article. Push the bed back and forth to get the oil into the bearings. The belt frequency may differ from one machine to another. Common problems in print quality can be annoying but easily solved. If I recall correctly, the belt test number had climbed to 242 or so when I did the loosening. Apr 21, 2023 · By the numbers this would indicate a very tight belt. You have to use PLA, and the gcode is pre-compiled. Grip the X motor shaft with pliers to prevent it moving (grab the flat side of the shaft). This is an expected result and we are working on a solution. Make sure that your belt isn't extremely loose, as it might be just going around the pulley without actually moving either of the axes. In the assembly there are two slots where the edge of the belts tie into. 75 mm MK2. - check cable management (I think I now know the assembly guide by heart!); movement is free on both sides of the rod. Na MK3/S/+ spusťte Self-test nebo Test remenu přes nabídku Kalibrace v LCD menu. Go to Support -> Belt Status and check the measured values. Nov 5, 2022 · The Best Prusa i3 MK3S/MK3S+ Upgrades. 1 0:47. I slide the carriage all the way forward and the bearing holder (not the bearing itself) hits the 3D printed rod holder in front. We can offer the following tip: try plucking the belt like a guitar string. 23 3:24. On putting it back together, the belt tension number was measured to be around 180 - according to all the documentation, this would basically amount to the belt being way too tight, but it felt about the same as the y-axis belt, which was measuring 277. 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. , company founded by Josef Prusa, one of the RepRap core developers. When using the app, make sure the microphone on the phone is closer to the belt. A lightweight application, which you can use to quickly preview G-codes from all popular slicers. ⬢ Do not touch the nozzle yet, wait until prompted with the message: Tap the nozzle NOW. According to Prusa knowledgebase, it is best for both X & Y Belt tensions to be between 240-300. 7. Add a comment. 0. If the printer is off you should not feel much resistance when turning the motor manual. Gently strum the upper part Jul 27, 2018 · I found that by checking the menu Support / Belt Status there is a numerical value assigned to the X & Y Belt tensions, after every Self Test is performed. Okay, I gave the custom settings a try. Try to adjust both screws the same way. 7 and Y=40. According to Prusa, the process works on MK3, MK4 and XL models. Plus 1. It's fundamentally wrong. You should hear a deep bass tone. Life was good for another 20-30 hours of printing. Aug 1, 2018 · Pulley is tight, belt is well tensioned. A belt that has been tightened more will emit a higher tone. Prusa Mk3 Bed Level/First Layer Test File by Punkgeek. com/article/adjusting-b Long story, but I assembled my Mk3S with the X-axis belt too tight. The multi-tool manual calibration for the multi-tool versions of the Original Prusa XL can be done to ensure that the Tool Offset Calibration worked correctly and to fine-tune the offset for each tool. 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. Aug 17, 2020 · Checking the belt status I find that the tension reads X 235 and Y -1 . Aug 23, 2023 · This is my first Prusa, but I have been printing for a few years now with Anycubic's FDM printers. In case the Z-axis test does not pass, check the direction of the trapezoid nut. Turn the printer back right side up and fine adjust the belt 調整式ベルトホルダーは、2019年第1四半期、Original Prusa MK3用のS-upgradeで、またOriginal Prusa MK4 にも導入されました。そのための調整方法は「方法1」で説明します。それ以前のOriginal Prusa MK3の場合は、固定式ベルトホルダーの「方法2」に従ってください。 On the Original Prusa XL, adjusting the belt to the optimal tension is crucial to achieving good quality on the prints. I re run the axis test and now the Y axis is failing. It may take a bit of time to find the perfect belt tension. The belt runs parallel (top to bottom). when I do the Aquila Test Model it has no problems what so ever but as soon as I do a print that I slice in Cura with the Settings included with the printer, it has issues with the first layer adhesion but it doesn’t do it with any of the test, what would cause this Oct 30, 2020 · I ran the belt test, loosened the belt, and things improved. It allows faster prints, increases precision, makes maintenance easier and opens the door to more customisations. Step 36 Tensioning the Y-axis belt. Comments Share Save Embed brown belt test. But, the loosening the stop screw isn't going to help. rp gc gi do gp tk sk gx zd ov