conny_g
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Posts posted by conny_g
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No news? houlàlà, I saw a print made by conny_G, is that some results?
Yes, it's my first "perfect" print, the third or fourth iteration on the 3D Benchy. Found out that my issues with that actually wasn't the calibration (as I though initially), but the print temperature of the magenta PLA...
For me the core issue is currently is that the docking process is not completely reproducibly stable yet - the head can tilt by 1-2mm in the dock. For me 100 picks-ups of the second head work, 1 doesn't. Curious how the new version of the dock will work that I just printed.
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Well, during the week most of them seem to be quite busy with their daytime work. I expect the first finished upgrades this weekend.
Yes, exactly. And waiting for the rest of the deliveries of cables, plugs, crimps, screws.
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My experience is that this depends on the material. With PLA the retraction is less critical as it doesn't ooze to much. There 4mm is enough. With nGen I need more than 5mm to get the retraction to help and reduce stringing.
For some materials more than 4mm is just not possible because the material is too soft and grinds in the feeder if you have more than 4mm or the retraction speed to high, Glowfill for example. Then you need to fight oozing with lower temperature and lower speed.
What material did you you use?
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Cool! :-)
Which Shapeoko and are you happy with it?
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Maybe a short video is worth a thousand words.
https://www.youtube.com/watch?v=https://youtu.be/viX_WLRqxYM
Yes, very good. So the new version does not even put the first head back, just picks up the second hanging lower. That's ingeniously simple!
(Just noted that you are from Munich. I live in Regensburg and am working mostly in Munich.)
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Phantastic job! How is the print quality?
And what is this extremely cool Calimero version of the ultimaker :-)
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Es gibt beim Ultimaker Mainboard v2.1 zwei "Safety"-Eingänge für Notschalter, die aber nicht benutzt werden. Man könnte dort eine Schaltung ranhängen, die bei Überschreiten der Temperatur ein Signal anlegt.
Weiß nicht, ob die in der Firmware abgefragt werden, aber das könnte man einfach reinbekommen.
Ich glaub nicht dass die dafür gemacht sind.
Ich habe mal die "Jumper" gezogen (Stecken diese Dinger drin), der eine legt beide Heizungen lahm (Stromlos), und der 2te legt alle 24Volt Ausgänge lahm (Stromlos).
Und das merkte nicht mal die Firmware (bekam keine Fehler) vermute dass das mechanische Sicherung ist.
Ich hatte diesen Anschluss im Kopf
Tunell 3D Printer Filament Weiter unten in Thread sind noch Bilder.
Ich finde einen Durchflusssensor sinnvoller weil z.B. bei einen Ausfall der Pumpe steigt ja auch nicht die gesamt Temperatur.
Und wann bitte gehen Lüfter kaputt das die Temperatur steigen kann.
Gruß Gerd
Du hast recht.
https://github.com/Ultimaker/Ultimaker2/blob/master/1091_Main_board_v2.1.1_(x1)/Main%20Board%20V2.1.1.pdf
Hier die Seite mit schema3.schdoc, da sind J16/J17, die auf ein Relais gehen, das die 24V schaltet.
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I have a stupid question to those who designed this upgrade : what about the electronic plate of the Ultimaker 2+? Is it foreseen already to support a second head, both with XY, fan etc and a second extruder? Can we have some details about this subject?
Here's a random pic of the Ultimaker 2 Mainboard from some Alibaba seller:
https://sc01.alicdn.com/kf/HTB1NfSoFVXXXXXvXVXXq6xXFXXX0/220554104/HTB1NfSoFVXXXXXvXVXXq6xXFXXX0.jpg
On the right you see "extruder 2", "thermal head 2" and on the left "temp measure 2", that's the temp sensor, head heating and the extruder motor output for the 2nd extruder.
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Es gibt beim Ultimaker Mainboard v2.1 zwei "Safety"-Eingänge für Notschalter, die aber nicht benutzt werden. Man könnte dort eine Schaltung ranhängen, die bei Überschreiten der Temperatur ein Signal anlegt.
Weiß nicht, ob die in der Firmware abgefragt werden, aber das könnte man einfach reinbekommen. Habe in der Firmware auch schon für meine Zwecke geändert (Laser-Steuerung), ist m.E. gut strukturiert und übersichtlich gemacht.
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Più che stamparti quello iRobert che non cambia moltissimo ti consiglio direttamente il feeder della UM2+ o UM3. Questo è l'upgrade che rivendiamo: http://www.shop.creatr.it/it/um2-ricambi-e-upgrades/201-feeder-upgrade-ultimaker-2.html
150 Euros for the feeder???
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Well, you created a lot of buzz around your dual extruder solution and then just disappeared. And you did not answer email sent to you. Then you are surprised that people grab you at your first appearance after five months.
However, I lost the trust in you, so for me UltiCreatr is no option anymore.
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Scaffold soluble support is here. What's next? :-)
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I've received mine too, I don't know what I should do now...DO I have to buy a ultimaker upgrade kit?
You need a second feeder, bowden, hotend with cables. How you do that is up to you. The feeders have to work the same (geared/ not geared, gear ratio etc) and I think it's much easier if your hotends are the same. Otherwise your printing parameters differ between hotends even for the same material, that makes adjusting your prints more complex.
Also buying that stuff in separate parts from eventually different sources is quite some work and has the danger that you miss parts when working on the mod. Or they don't work well together because that combination is untested.
For all these reasons I chose to buy the 2+ upgrade kit. It's tested, it's the same what I have and has all I need.
So if you calculate your time and if you have "more money than time" then buy that kit.
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Weshalb die Sorge wenn die Kühlung nicht läuft? Dann funktioniert doch nur die Temperaturisolation der zwei Hotends nicht und der Druck geht daneben. Das ist aber doch dann auch schon alles, da brennt ja nichts ab, oder?
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The magnets are here! The Scaffold and another PVA filament will get delivered tomorrow.
I am ready to go, should you need another beta tester :-)
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There is actually a z offset between both nozzles, which is one of the key ideas of this approach. It's handled by the firmware. You don't need a plugin as there will be config files for Cura 2.3 to set up this as a special machine.
Good point actually: Can I run the dual header approach with Simplify3D slicer as well? That's my favorite at the moment.
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Look here for tests with PVA:
https://ultimaker.com/en/community/20293-any-experiences-with-dual-extrusion-and-pva
I would assume that these are printed already with the dual header approach of foehnsturm, but he would need to confirm.
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So, das Upgrade Kit ist da. Die Magnete innerhalb von 1-2 Tagen.
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I read you got it from ebay. Was it from an official reseller? You are of course free to buy where ever you prefer, but I just checked and didn't see one listed after a quick search. (I mean, even on of our moderators is a true China-fan, right @Neotko?
)It's the official kit from an individual who is obviously selling his UM stuff.
Just make sure that if it is not an official product, the specs are somewhat close to what they should be.
That's the reason why I prefer the original parts. Collecting them from China is lots of effort and "variable" quality. I don't want to invest my time there, rather to implement the dual extrusion mod.
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In the end, it all comes down to, how badly do you want to participate in this project (and remember, it is beta. Not a finished community project. Which is also different from an official product. Just making sure this is clear.) and is it worth the investment. That is something only you can answer.
All that makes sense. Was worth a try to get a better price for us for the kit. :-)
I want to try dual extrusion very badly :-) That's why I just went ahead and bought the Upgrade Kit on eBay yesterday. It's on it's way and should arrive Wed/Thu.
And yes, ready to try something "just-past-beta", the results of foehnsturm and others look very impressive, that's convincing that this is a good solution. And finally if I have the parts for a 2nd feeder/head/etc here I can try other solutions as well with limited effort, like the water cooling one.
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He actually used Ultiarjan's rail system first. Last week we decided it would be nice to have something smaller (faster to print). So yes, you can use the rail system as well.
Is that alternative model by Tingergnome already publicly available?
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Checked with iGo3D on the price of the individual replacement parts (Upgrade Kit minus what's not needed), then it's 10% more expensive than the Upgrade Kit. And even if "many" are bought by a group of Dual Extruder enthusiasts they can't give a better price because they do not have a high margin on it (already expensive from UM). They say.
Disappointing.
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Don't you actually need the UM3 mirrored feeder?
Nope, Tinkergnome just designed a mounting bracket for the standard UM2+ feeder
The mirrored UM3 feeder would be nice if mounted like on the UM3. But most people won't drill big holes into the Dibond back panel I suppose.
The one for the rail system?
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After researching for some 30mins I don't feel like chasing all the parts individually.
Just ordered the UM2+ upgrade kit through Ebay for 440 Euros.
)
A different multi-extrusion approach - UM tool / printhead changer
in Third party products & modifications
Posted
With this 8h overnight print I tested the effect of the "live-saver device" that @foehnsturm has created yesterday. No fail in the docking process. For me that was the break-through to a new level of reliability. Now it needs to be stress tested for a while.