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Found 113 results

  1. Hi, we try to print a support with overhang which needs support. Unfortunately, Cura does not put support on the whole area but leaves an area with no support in the middle. I assume, that Cura wants to save support material and thinks, that the printer will use bridging. This works in 20% of the prints, in 80% not. The first layer which is placed on the support fails quite often. I attached some photos and some cura screenshots. Is there a possibility to improve the slicer in a way, that it does not leave areas with no support? Or can one improve bridging? We are using Ultimaker PLA material for print and Ultimaker PVA for support. Does this bridging fail because of bad adhesion of PLA on PVA? As already mentioned, I attached photos, screenshots of slicing and of the support settings (basic settings from Cura) Thanks in advance for your help and ideas :)
  2. Hi Guys & Gals. I have encountered an interesting "Phenomena" where Cura (4.4.1) almost intentionally leaves certain overhangs unsupported when printing the support material with core 2 (PVA). Printing with an UM3, AA 0.4 and BB 0.4 cores, PLA and PVA. I have played around extensively with the parameters and settings and haven't found any solution yet. For the attached illustrations- I have set everything to default/standard: Model: Here is the model and the specific area of interest for me with the standard settings visible. Slice Preview: Here the preview SEEMS fine with more than enough PVA support all-round (Yes, I can set the XY ofsets ect to print less PVA blah blah but that's not the point of interest here) Problem: Here you can see that it leaves a big chunk of support out where it really SHOULD be putting support...? (Note here that I kind off despise the "Gradual infill steps" setting but understand how it can be beneficial but i mostly set it to 0). I mostly hope that it is me missing something extremely obvious, but it gets interesting; When I SWAP the extruders.... It supports it correctly. Swapping printing Extruders: Note that I only instructed cura to use extruder 2 for the model and extruder 1 for the support: I have tried multiple permutations of settings to try and get the PVA in the same manner as the PLA (eg making gradual infill steps 0, grid as support structure, density same as infill density ect ect ect but I am always left with this mysterious gap when trying to support that overhang with PVA.. Even tried putting the PVA BB core in Slot 1, and PLA AA to Slot 2 but the slice will still result in the unforgiving black-hole of "NO-SUPPORTNESNES" So for now I'm left with a dead light-bulb floating over my head until I can figure it out. Anybody maybe know what the obvious solution is that I am missing?? Okay love you guys, Cheers!
  3. Hi folks The build plate of my brand new Ultimaker S5 undergoes active leveling before each print. It results in either of my 2 extruders over or under extruding. Is there a way i can disable this active levelling process before each print, as i personally prefer manual leveling. The prints doesnt look that cool compared to the price i paid for this printer. Hope there is a solution to this.
  4. Hi there, Last week, I started working with a UMS5, after some former experience with a UMO/UM2E. The first models, I did in TPLA, supported by PVA. After dissolving the support, I sometimes have a very unconsistent and warped layer. The bottom of my model that faced the build plate (rounded corner in the left is warped as well) looks quite terrible: Unfortunately, I don't have the gcode files saved. The settings in Cura are like this (translation below): Translation: Generate support / Support extruder / Support interface extruder / Support roof extruder / Support floor extruder / Placement support: everywhere Setup: UMS5 with glass build plate with glue, TPLA/PVA, air manager. I've been looking into this problem, but I cannot find a solution. Anyone any ideas? T_D
  5. Hallo Zusammen, Ich habe zwei Teile mal zu lange im Wasser gelassen um das Stützmaterial weg zu waschen. Dabei haben die Schichten angefangen sich voneinander zu lösen. Ist das Normal oder ist da ein Fehler beim Drucker/Cura?
  6. hi guys quick question could u print a inner mold out of pva then vacuum bag carbon fiber over the top or would the resin in carbon fiber attack pva before it set looking at new ways to make carbon race car parts thanks
  7. Hi ! I use an Ultimaker S5 and I have recently started having problems with preparing a part that requires PVA support. As you can see in the picture below, the support structure isn't convering the entire section of the part, it leaves a gap between the structure. I have been browsing around for other options in cura's support configuration but I can't seem to find anything that will fix this. I generally use Cura's default profiles for materials. Currently using Ultimaker CPE+ and Ultimaker PVA. - I am using Cura 4.4.0 BETA at the moment and I have a feeling this only started happening since. - So far, changing support placement from Everywhere to Touching build plate doesn't change anything. - I tried changing from PVA to Breakaway and the support covers the entire section, so this only happens with PVA. - Also tried with a diferente part and the same problem happens.
  8. Hi ! I use an Ultimaker S5 and I have recently started having problems with preparing a part that requires PVA support. As you can see in the picture below, the support structure isn't convering the entire section of the part, it leaves a gap between the structure. I have been browsing around for other options in cura's support configuration but I can't seem to find anything that will fix this. I generally use Cura's default profiles for materials. Currently using Ultimaker CPE+ and Ultimaker PVA. - I am using Cura 4.4.0 BETA at the moment and I have a feeling this only started happening since. - So far, changing support placement from Everywhere to Touching build plate doesn't change anything. - I tried changing from PVA to Breakaway and the support covers the entire section, so this only happens with PVA. - Also tried with a diferente part and the same problem happens.
  9. Hallo zusammen, ich bin neu hier und habe eine Frage an euch. Ich habe bereits einige Modelle gedruckt, jedoch habe ich immer wieder das Problem, dass die Stützstruktur aus PVA sehr bescheiden aussieht und teilweise garnicht mehr gedruckt wird. Um diesem Problem entgegenzuwirken, habe ich mir die eSun Box zur Trocknung und Lagerung des Materials besorgt und die Einstellungen in Cura angepasst. Wie im Anhang zu sehen ist, hat der Druck ca. die ersten 10 Stunden ganz gut funktioniert, anschließend aber komplett versagt. Der Extruder bewegt das Material beim Düsenwechsel, also hat sich dieser nicht ins Material "gefräst". Was sind mögliche Ursachen für das schlechte Ergebnis? Kann der PrintCore defekt sein? Wenn ja, wie prüfe ich dies? Oder kann die Restfeuchtigkeit im Material trotz langer Trocknungszeit noch zu hoch sein? Für den Fall, dass meine Einstellungen schuld sind, lade ich die Datei auch nochmal hoch. Ich hoffe wir finden eine Lösung ! Beste Grüße Hendrik UM3_Flaschenhalter Ergometer.3mf
  10. Hallo Zusammen, Wenn ich im Cura die Teile Lade zeigt es mir zum Teil bei den ersten paar Layern an dass das Part mit Beiden Materialien gedruckt wird (siehe Bild). Habe ich eine Einstellung fallsch oder könnte das am Modell selber liegen?
  11. Hi, Everything works fine with Cura 3.6.0. Now, I just installed Cura 4.4.0 as I was interested in the Profiles, first and foremost the Engineering profile. I use Ultimaker filaments, black tough PLA and normal PVA, but it is not located at the back of my Ultimaker 3E, but in a Polybox. Unfortunately, Cura 4.4.0 says "profile not supported". I suspect Cura require that the printer recognize the filament at its back. What to do?
  12. Hello everyone, I am using ultimaker S3 with PLA and Natural PVA - as a support material(both ultimaker brand filaments), and I have been an issue where the BB 0.4 printer head is not extruding PVA, sometimes printing air in between the layers. Which will result in PVA not sticking on the print. The printer and materials are new and in good atmosphere condition. I have looked into the issue by: - cleaning the printing head BB 0.4 by means of cold pull/hot pull - reload the PVA through the feeder - adjust the tension on the feeder I have restarted the print and notice that material is not moving forward of falls back a bit every time and having ticking sound, then I have been having the error saying- "Nozzle offset probe failed. Please check the nozzles and bed and try again". (For cleaning the printing head, I have used the same PVA material. I guess, it wasn't the problem. Should I used the cleaning filament or PLA?) In cura, I have the correct options: Extruder 1- PLA and Extruder 2- PVA, have all default seetings for both material and also activated the 'prime blob' option. Attached, I have upload the Cura project and printed part-images. Please let me know, if anyone have any ideas. UMS3_finger-gripper-links4 -- test1.3mf
  13. hiya all. there are all sorts of solutions. I created a drum that went round the reel as a starter for ten. I have designed a case which I am yet to order the plexiglass for. however, I decided to try something different. A FOOD DEHYDRATOR. so I went for it, found one for £23,-. Initially I thought it would be a main section and had tiers inside it. however that wasn't the case. It is all made up from layers. So ok, I decided to keep 2 with their grated bottom and removed the rest of them. Idea is to contain 2 spools. I then designed a spool mount so they would sit nicely in the middle and allow to rotated. I then designed a tube holder to mount on the outside so that I can feed the filament without removing it from the Dehydrator. added a pneumatic fitting to hold the PTFE tube in place. and this is what I ended up with. there are two spools of PVA in there at the moment. and one feeding tube. (only because that's all I had) one of them has been playing up and low and behold, 1hr at 50deg and boom all was well. so for about £30,- I have a fully wooorking solution. I will upload the parts I designed. I am also going to make a frame to go around the feeeder so I can hold the feeding tube in place during retract. let me know what you think Rebekah Anderson
  14. Hi guys I have this strange 'problem' when printing with 2 cores. I printed this model with 0.2 mm layer height, but when the second core starts printing it looks like 0.4mm layer height. It looks like one layer is slightly more inwards than the other layer and the second core does exactly the same but on the other layer. I'm sorry for this weird explanation but I don't know how else to say it. 😉 This happens with (1)PLA and (2)PLA but also with (1)PLA and (2)PVA Has enyone seen this before and/or has a solution for this?
  15. Servus zusammen! Kennt jemand eine praktische Lösung das PVA nach dem Auflösen im Wasser wieder halbwegs zu binden? Wir verwenden relativ viel PVA für unsere Drucke und früher oder später kommt natürlich alles in den Abfluss, was mir nicht ganz gefällt. Wenn ich Zeit habe, lass ich es in einer Kiste austrocknen, dann kann ich einen dicken Lappen PVA am Schluss wegschmeißen. Gruß Andy
  16. Hello, I just got my new S5 printers, and am having some problems printing with both Ultimaker PLA and PVA. Basically, printing with only PLA works perfect, but when I try to use both, with PVA as support, the print head with PLA attached to it simply prints air, and nothing comes out. Note that I've tried cleaning it with cleaning filament, switching heads, pretty much anything of the basic solutions. When printing only with PLA everything works great, but when using both it just doesn't extrude. In cura I have the correct options: head 1 PLA, head 2 PVA (both pla and pva are Ultimaker), on the printer the same. Anything that comes to mind for my problem? Thanks a lot! Cosmin
  17. Hi there, I'm trying to print a part with an overhang and I really want to use PVA as my support material. I'm not sure if it's my printer or the material itself but it seems like my printer doesn't like printing PVA. I've attached some pictures of how my print when and honestly non of the PVA was sticking to my build plate. I believe that is due to a lack of PVA printed during the brim step. In Cura it shows the PVA on the brim but when it prints, there is not PVA part of the brim. I've only gotten the PVA to behave once before. I've noticed that whenever my printer tries to print PVA near the build plate, no filament comes out. The print head goes over the correct "tool path" but the PVA material doesn't extrude from the print head. If anyone knows what's going on, please let me know. Thank you!
  18. Hello, I am new to Ultimaker and 3D-Printing. I am interested in Nylon/pva printing. I read a lot here about problems with filament drying and moisture protection. There are solutions like Polybox from Polymaker. But when using that,the original filament holder is unused. No use of NFC- filament detection. So wouldn't it be better to build a cover that is attached to the S5 back. It would contain a silicea pack and would hold the spools dry in their original positions. By the way: For the price of an S5 it would even nicer if Ultimaker build such filament cabinet into the S5 unit. Regards Hans-Peter
  19. Hello. I would like some help troubleshooting some printing issues I have recently been having. My hospital got a 3D printer several months ago and we have been successful with our prints and making complex models with tough PLA and PVA support (I also attached a previous successful model printed with same settings). Recently, my models are not adhering to the print bed to itself. I have tried with PLA supports and PVA supports. I have unloaded and reloaded the filaments as well. I also reset the print settings to default. I have tried all different recommended settings with no help. My printer continues to print strings that are not adhering to anything. Sometimes it starts to adhere to bed and then fails or will not adhere to plate at all. The only causes I can think of are the following: Filament hydration? I am in New Mexico, an arid climate but do not store the filaments in a desiccator. Perhaps this is the issue? Settings not correct? Print speed too fast? We recently tried ninjaflex 3.0 mm and did not have any success with this. We attributed this to the size of 3.0mm. Print head clogged? The print heads seem to be extruding fine... Should I be doing regular cleaning?
  20. There are scratches everywhere but I am mostly worried about getting rid of that blob of PLA. I tried heating the printcore up to 210C for 10 minutes but to no avail. Any ideas of how to get rid of it without damaging any vital parts?
  21. The PVA doesn't seem to sticks well to PLA now with the current update. It works well before the 4.0. Mind that this is for new PVA and new PLA, moisture doesn't play a part here. And as the PVA doesn't sticks well, it travels throughout the model while printing, and get caught in midway thus leaving a lot of holes and scratches on the body. See picture
  22. hello community! using extrudr MF PLA as the mainmaterial and UM PVA as supportmaterial, i always get tiny holes in the surface of the MF PLA, at the places where the two materials touch. the rest is acceptable! anybody is fighting with the same problem? how could i get rid of those? hopefully the attached photos will help! greetings
  23. Does anyone have any ideas as to the causes of the visible layering in the picture? I'm using eSun PLA+ filament with the settings shown below and Ultimaker PVA (with built-in standard settings).
  24. Wondering if this is possible? I would like to pick up the new 0.25mm AA print core but don't want to lose my ability to print with PVA.
  25. Saaimon

    Problema con S5

    Ho un problema con la mia S5. Mi è capitato di eseguire stampe di 10 giorni filati senza avere alcun problema. Ho sostituito recentemente l'estrusore BB. Ho stampato ulteriormente dopo averlo sostituito senza alcun problema. Ora, mi ritrovo con un problema di adesione del PVA sul PLA, inoltre il PVA mi "incide" il modello sotto in PLA lasciando il segno. Qualcuno che ha una soluzione o un consiglio al mio problema? Ho provato di tutto, calibrazioni, parametri di stampa, temperature, velocità di stampa, qualità di stampa varie. HO fatto un sacco di prove modificando più variabili ma nulla. Il problema persiste. Ah, dovrei stampare il modello in qualità extra fine 0.06mm Vi ringrazio anticipatamente
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