You may see some excess deposited on the rails; this is normal. There is no grease recommended by Prusa for the rails and you just shouldn't use the Prusa grease. Regardless of what Prusa thinks, bearings need greasing, period. Login. I would only do this if it causes the printer to make loud noises. What is the print quality and performance of the Prusa Core One, as confirmed by test prints? The Prusa CORE One delivers consistent, high-quality prints across materials using a precision CoreXY system. Some say oil but vary on viscosity and it doesn’t last very long requiring re-lubing which can be difficult on a 3D printer since the rail carriages are tucked away under things. Some say grease but what kind? It does last a lot longer between lubing so that is a plus. The grease supplied by Prusa is only used for 2-3 things on the printer: Greasing the Z-Spindle The Z-axis leadscrews don’t actually need to be lubricated. Axes check - Smooth Rods and Linear Bearings (Y-axis) Jun 4, 2024 · Unfortunately, I can no longer delete the post. Materials. Jun 20, 2020 · Prusa Grease may not be the Absolute best lubricant in the world, but it is certainly good enough for the job in hand. Just my 2 cents. This product includes: Dosing needle SSS15 2 (1 pc) Cartridge with manual piston 2/2,5mm (1 pc) Microlube GL 261 20g (1 pc) Nitrile glove (2 pcs) Oct 29, 2025 · Prusa grease is best but, with care, light machine oil can also be used 'though it has a greater tendency to migrate to places where it is not wanted. Courses. English. With a robust metal frame made of steel and extruded aluminium, stable bearings and high-quality linear rails, the A1 mini shows what reliability and durability mean. In the manual, it says: Prusa Lubricant: a tube of Prusa Lubricant is included with the Original Prusa XL. No need to apply this lubricant during the first assembly of your Prusa kit, all parts are greased by the manufacturer. Jun 2, 2025 · So I realized I was WAY behind on scheduled lubrication of the linear rails on my XL perSo I ordered a linear rail lubrication set from Prusa, assumin We would like to show you a description here but the site won’t allow us. First of all understand that Linear bearing is made of steel casing with steel balls circulating in tracks made of Nylon 6 or Nylon 66. Help. Support Prusa Pro HT90 Printer maintenance How to lubricate linear bearing rails (HT90) | Begin assembly Mar 19, 2021 · Apparently lubrication of the z screws can cause problems, they are self lubricating due to the material they are made from. Company. 9. You can use a small craft brush to do this, or this printable bearing packer. 3D Models. This should be done even if the printer is working perfectly. It only requires lubrication. Master linear rail lubrication for your 3D printer. Yes grease them, anti rust oil isn’t the same as proper lubrication. The printer uses high-quality linear rails on both the X and Z axes, as well as a metal guide on the Y axis to withstand the wear and tear caused by rapid movements. Please allow enough time to allow all of the IPA to evaporate before lubricating, so that the rails Aug 9, 2024 · Every linear rail that I buy spends a night in the drunk tank (basin filled with isopropyl alcohol), then in the morning I scrub everything off the rails and give it a re-lubrication. Not at first, but it got more and more. First thing I did was make sure the X rail was square on the gantry, then I ran the belt Hz tool and printed one of the Prusa rockets. to/3EMowxe These RobotDigg MGN9C 440c rails have a convenient lube port for lubing the rail adequately. Oct 14, 2019 · RE: Degreasing linear bearings When I packed my Prusa supplied bearings (at my first PM teardown while applying the MK3S mod) I used 91% IPA. The inspection and maintenance of its various components should be done every couple of hundred hours of print-time… Lubrication set for linear rails (3-6 months interval). Since then, the noise has returned to Oct 29, 2025 · Prusa grease is best but, with care, light machine oil can also be used 'though it has a greater tendency to migrate to places where it is not wanted. 2 days ago · Creality K2 Pro Combo vs Original Prusa CORE One detailed comparison. This product includes: Dosing needle SSS15 2 (1 pc) Cartridge with manual piston 2/2,5mm (1 pc) Microlube GL 261 20g (1 pc) Nitrile glove (2 pcs) 3Dプリンター マテリアル 2 days ago · Prusa sent over new linear rails and new pulleys. Syringe recommendation: https://amzn. Software. Oct 3, 2025 · Tl;dr 1) Do your linear rails make clicking noises when the carriage is moving? 2) Did you have to lubricant your setup within a week of setting it u Jul 24, 2025 · RE: Z-axis grease I had a chat with Prusa support a while back since I didn't want to order a very cheap lubrication from Prusa (where the shipping would be more expensive than the item). My Y and X rods got scratches in them within a week. Lubrication set for linear rails (3-6 months interval). Find which multicolor 3D printer offers better value, speed, and print quality for your needs in 2026. Enhance print quality, ensure smooth motion, and extend rail lifespan with this expert guide. For Business. 1ml). But it's true that you should grease the threaded rods on the XL, but on the Mk4, for example, it's still the case that you don't grease the threaded rods. If anyone is willing, I would like to compare notes on the belt tuning, because the results surprised me. It features 10mm Y-axis rods, an X-axis linear rail on a steel extrusion, and three Z-axis lead screws — Prusa’s most constrained Z-axis yet. Parts & Accessories. Mar 4, 2025 · The linear rail lubrication kit requires multi-page instructions and precise amounts (exactly 0. Started hearing some VERY concerning screeching coming from the Z-axis a few weeks ago, reached out to Prusa Support and they assured me that it was just resonance in the printer. They're currently installed on my Annex Engineering K3 Jan 5, 2025 · RE: Linear Guides - Rattling Noise I also had this rattling. Related Articles / Resources: Tags: edge, maintenance, linear rails, lubricate, lubrication Impresoras 3D Materiales English Login 3D printers Materials Parts & Accessories For Business Software 3D Models Community Help Courses Blog Company Jan 27, 2024 · What is the Best lubrication for linear rail and lead screw ? Discussion on the best lubrication for linear rail and lead screw in 3D printing, with various suggestions and recommendations from users We decided to make a video to address one of the most common questions asked in the Voron discord. How to lubricate linear bearing rails (XL) | Prusa Knowledge Base. Mar 10, 2025 · This is important both for lubrication and later for installation, as the balls must be aligned in specific positions, and the bearings should not be rotated on the shaft. Description Prusa Lubrication Set Lubrication set for linear rails (3-6 months interval). The prints were also flawless. This product includes: Dosing needle SSS15 2 (1 pc) Cartridge with manual piston 2/2,5mm (1 pc) Microlube GL 261 20g (1 pc) Nitrile glove (2 pcs) Guys, my prusa mk2 (upgraded with IGUS drylin bearings) needed maintenance and I decided to apply PTFE lube on threaded rods and linear rails. Check the reply from prusa in the comments section. XL and Core One use the same linear rail lubrication kit. They are to be greased, and oiling the rods is not sufficient, especially for bearings with wipers on them designed to not let things in the raceways. After that it started to accumulate too much dust. It is recommended to take some time to maintain your Original Prusa MK4/S and MK3. In the user interface, navigate to the Maintenance page and locate the "Grease Rails" timer. 3D printers. Nov 22, 2025 · As I said before, proper lubrication of the linear rails must be done BEFORE installing them on the extrusions. We would like to show you a description here but the site won’t allow us. Prepare the rails by removing the shipping oil or old grease by soaking the rails in Isopropyl Alcohol (IPA) 90% or better for around 10 minutes, you should move the rails around to dislodge any debris especially if you are re-lubricating old rails . See in the link by LDO Motors how to do it the right way. Blog. Aug 9, 2024 · I have been doing a little research on lubricating linear rails and all I found out is it a hot mess of disinformation. To properly lubricate, you have to remove the linear bearings and place grease on the actual bearing races inside the bearing sleeve. 9/S regularly. Remix of linear bearing applicator to make it work with the "flip and pack" method for linear rails | Download free 3D printable STL models The tragic flaw of linear ball bearings is that all the load rides on those little balls, riding back and forth over exactly the same part of the rod over and over and over. ) On linear rails, DO NOT use Prusa Lubricant or other products that are not part of the linear rails lubrication set. Did you purchase those before the printer came? It looks like Prusa is shipping with Misumi bearing now so the upgrade isn’t necessary. Most It is recommended to regularly take some time to maintain your printer. I let that sit for hours with the occasional stirring to try to flush the IPA through the internals of the bearings. May 24, 2025 · Greasing and Oiling First of all, the Prusa XL doesn’t require any oiling. Useful tools Besides the usual tools, such as Allen keys, needle-nose pliers, and IPA (Iso… IMO lubricating the rods does next to nothing, the linear bearings are sealed and just squeegee off any grease/oil placed on the rods. Watch this… We recommend lubricating the linear rail every 3-6 months, using the dedicated linear rails lubrication set. I then ordered the lubrication kit from Prusa and lubricated according to the instructions from Prusa XL. Press the "Reset" button to reset the timer. I installed all of them and reinstalled the belts. Their support said that a lithium-based lubricant will do. Here's a quick, but detailed video on how to clean and lube Apr 17, 2021 · Very much horses for courses, but I certainly will be keeping my LM8UU's well greased, and most probably when the next stripdown/grease is due I will replace the LM8UU's with Igus Drylin linear bearings, these seem to get good feedback, can be ran dry, or with lubrication and dont have the need for dust seals. On linear rails, DO NOT use Prusa Lubricant or other products that are not part of the linear rails lubrication set. There are at least two SuperLube greases, one of which is too thick for Linear Bearings. Sep 18, 2023 · Can we use White Lithium to lubricate linear rails? I always lubricated my Mk3 rods with white lithium but this is the first time I get a printer with a linear rail, so not sure what the maintenance procedure here is. (a set that includes Microlube GL 261, Dosing needle SSS15 2, Cartridge with manual piston 2/2,5mm, and two nitrile gloves. After a certain period of time (see the 3D Printing Handbook), your printer should be cleaned and greased in order to work properly. Bearings seem to pick up enough lubricant in their travels, only if you are in a dusty workshop are they likely to need special attention. We recommend lubricating the linear rails every 3-6 months, using the dedicated linear rails lubrication set, and following the steps in the linear rails lubrication guide. That confused me. Community. For the lead screw the instructions amount to basically "just use the tool and the Prusa Lube". Anyone saying otherwise doesn't know shit about bearings. Support Original Prusa i3 MK3 Printer maintenance Maintenance tips | Begin assembly Oct 24, 2025 · Lubricating the linear rail every 3-6 months, using the dedicated linear rails lubrication set. Support Original Prusa i3 MK3 Printer maintenance Maintenance tips | Begin assembly Lubrication set for linear rails (3-6 months interval). However, nothing negative was noticeable when moving the print head.

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