Jump to content

rajilpahuja

Dormant
 View Profile  See their activity

  • Posts

    129

  • Joined

  • Last visited

  • Days Won

    2

 Content Type 

Posts posted by rajilpahuja

    Ultimaker Mark2 - The Smart Dual-Extrusion Upgrade

    in Third party products & modifications

    Posted

    14 minutes ago, conny_g said:

    Just thinking about coverting my 2nd UM2+ to a Mark 2, as I have one „old“ UM2 hotend left from the conversion of UM2 to UM2+ of that.

    So the question is what are the non-fixable compromises of the UM2 drive train & hotend.

     

    What where the differences of the UM2+ upgrade again?

    • Feeder -  don’t care, will use a Bondtech
    • Olsson block - don’t care, will covert to 3D Solex Matchless V3. Is it possible to mod the UM2 head with that?
    • Stronger heater - already ordered a set of 50W
    • Spring vs. alu ring above the coupler - does that make a difference?
    • Fans and cabling: I think there were two changes, one was a different hotend Fan and how it’s connected (UM2 always on, UM2+ controlled by firmware?) ? The fan shroud is optimized on the 2+. And wasn’t there something with the model fans, too? Are they same or different?

    Cheers,

    Conny 

    Spring ve alu ring makes a big difference , and you can get that fan mount on aliexpress real cheap from san brother store, their representative alinda qi is very helpful, rest all you have is awesum and great.

    TOPIC FOR PRINTING HT FILAMENTS ( PEEK/ULTEM 1010/ULTEM 9085/PPSU/PSU) ON UM2+

    in Third party products & modifications

    Posted

    3 hours ago, gr5 said:

    UM2?  If so then you can build your own firmware or ask @tinkergnome if he might help you.  There might be a version already but I don't think so: https://github.com/TinkerGnome/Ultimaker2Marlin

    Hope its a UM2 or UMO i really dunno if UM3 will survive this cause air temps will go up for sure in this and the bed temps plus the hotend at 400C i cant imagine the electronics in the head surviving that, i do wish him best of luck to print HT on UMO or UM2 but if its on a UM3 then to keep a fire extinguisher ready would be a good idea.

    Ultimaker Mark2 - The Smart Dual-Extrusion Upgrade

    in Third party products & modifications

    Posted

    12 minutes ago, foehnsturm said:

    Hey guys,

     

    Someone here who can translate Italian to English (and gets more meaning across as google translate)?

     

    Still want to add the 3rd extruder to Mark2. The only, but major problem with that is ofc electronics. Half a year back we already discussed the multiplexer idea but with no real result.

    This crazy guy now drives 9 extruders with his ?multiplexer? setup https://immaginaecrea.wordpress.com/2014/10/13/flusso-canalizzatore-a-4-vie-la-stampa-3d-a-4-colori-e-gia-realta-per-lambiente-reprap-prima-parte/

    And his results are just awesome 

     

    Maybe i can find someone, but to what i can see is this board, can be used for switching between extruders which makes sense, but how ever it wont address the problem of the third heater or sensor i am guessing, or perhaps there could be another way around this, although i do think there could be way by designing the mark2 board again by adding these and perhaps a motor driver, using a second power supply and communicating between them using the ext/exp

    TOPIC FOR PRINTING HT FILAMENTS ( PEEK/ULTEM 1010/ULTEM 9085/PPSU/PSU) ON UM2+

    in Third party products & modifications

    Posted

    1 hour ago, gr5 said:

    All the hardcores are "pro".  No they only reach 350C, sorry.  Carl at 3dsolex is working on one that goes hotter.  

     

    You could email him about it if you are really serious about this - purchase a heated bed first though.  he might send you a free one to test or a reduced price one if you promise to do testing and let him know if it melts your UM3 print head, lol.  Even better, keep going hotter until you break something in the UM3 print head - *that* would be valuable for 3dsolex to know and definitely worth a free hardcore to you.  but maybe not something you want to do.

     

    Just to clarify - he can easily build one that goes above 350C and he has a printcore that can easily go to much higher temps - probably 450C.  But it would be a one off experimental version and a bit of a hack at this point.

    @gr5 i just saw the prices of the cores, i am just guessing its better to just buy the UMO, its cheap in seconds and technically safer for gianni, however its upto him to do as he wishes, but i wouldnt risk a um3 as that is more expensive to spoil :)

    TOPIC FOR PRINTING HT FILAMENTS ( PEEK/ULTEM 1010/ULTEM 9085/PPSU/PSU) ON UM2+

    in Third party products & modifications

    Posted

    8 minutes ago, Ziogianni84 said:

    What do I need in order to print Ultem with my UM3?

    Would the special 3d Solex nozzle suit?

     

    Is the diameter an issue? As far as I know Ultem is sold only in 1.75mm spools

    Hi Gianni,

     

    ok lets see what we can do, first thing is u need the bed at a minimum of 130C, if i am not mistaken i read somewhere that ultem sticks to a PC(polycarbonate) sheet for PC sheet 130C shud be enough, however this is experimental, so you will have to try, or else use a ultem sheet or glue, however glue doesnt work well for large pieces, about the buildplate u need to change in firmware and use a extra heater, u need a enclosure maybe gr5 has one for you, about 3dSolex also gr5 has the nozzles, i suggest using their nozzles because Carl knows his nozzles well, about printing 9085 u need atleast 360C for strong adhesion between layers, however printing slower u can use 355C,but this also will need changing in um firmware so be prepared to dwelve into the software, and just some info on new materials, there is also PPS(color same as 9085) needs only110-120C prints at 300C and takes upto 220C in the oven, which is more than 9085, however if 9085 is your calling i have laid down the path for you but you will have to do the hard work, also u quick question here for GR5 is whether u can use a e3d block on um3 ?

    TOPIC FOR PRINTING HT FILAMENTS ( PEEK/ULTEM 1010/ULTEM 9085/PPSU/PSU) ON UM2+

    in Third party products & modifications

    Posted

    I see your "second nozzle" reads 28C. Do you have a temp sensor hooked up there? Is the sensor sitting under the printer and measuring room temp (that's too hot for me, lol)? Or is it in the enclosure telling you interior air temp?

    Hi george, ya well its mounted on the 2nd head for Mark2, its near the printer and thats why its a bit warm around, well 160C head bed does make everything around a bit warmer lol ????

    TOPIC FOR PRINTING HT FILAMENTS ( PEEK/ULTEM 1010/ULTEM 9085/PPSU/PSU) ON UM2+

    in Third party products & modifications

    Posted

    Hi guys, I have come across this topic since I'm interested in printing designs by using ULTEM 9085. I own a UM3, what do I need?

    For sure I have to replace the nozzle because as far as I know the genuine one cannot withstand the Ultem's extrusion temperature. Moreover searching online I have only found 1.75mm spools, are 2.85mm spools available as well?

    Thanks

     

    Hi there,

    I guess for your nozzle needs you need to ask Mr Carl from 3dsolex, he will guide you on what you need to use, about the filaments in 2.85mm please check out 3d4makers they have ultem1000/peek/ppsu, for 2.85mm in 9085 u might need to contact Mr Matt Howard from 3dxtech, however i cannot say for sure whether he will make or even if he makes that a bowden setup will work on these materials

    cause these filaments behave way differently then non HT ones, about the um3, i think you should listen to gr5, he has much knowledge of ultimaker products and is the most active member of the community, to what i hear um3 isnt great for HT, however you could consider using a umo, which lets u mount motors outside or a um2 with heatsinks plus fans on the motors, u will sure need a heater pad from keenovo or any other company you find fit, wish you success in your quest to print ultem9085 :)

    Regards

    Rajil

    A different multi-extrusion approach - UM tool / printhead changer

    in Third party products & modifications

    Posted

    Hi Ultiarjan,

    I saw your project on two different head it was quite awesum, i am using the mark2 kit, i just wanted to know how did u change the firmware or cura for picking up the first tool, cause i cud see a code for picking up the 2nd in the mark2 project,But there is nuthing for the first head, if its not a problem could you share this, as i was thinking of converting My mark2 to your configuration i feel this would really clear up the oozing issue when the first head is carrying the second, i await your reply eagerly on this, thanking you

    Warm regards

    Rajil Pahuja

×
×
  • Create New...