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jant

Material selector ultimaker2

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Yes. The head can get up to 270C. So this means you can print Nylon also. There are also lots of PLA materials that include powders such as wood dust, stone dust, copper, bronze. Those all work okay. Also you can print "XT" which I think might be PET. And I believe you can print PET but I've never tried it.

There are also some flexible materials (flexible PLA, filaflex, ninjaflex) which bowden printers like the UMO and UM2 have trouble with because it's like pushing a string and the feeder is far from the print head. But you can get it to work - you just have to print slowly and oil the filament. I've printed lots of things using ninjaflex.

So basically look at the filament description and see the recomended print temperature. As long as it is 270C or less you should be fine.

 

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Yes. The head can get up to 270C. So this means you can print Nylon also. There are also lots of PLA materials that include powders such as wood dust, stone dust, copper, bronze. Those all work okay. Also you can print "XT" which I think might be PET. And I believe you can print PET but I've never tried it.

There are also some flexible materials (flexible PLA, filaflex, ninjaflex) which bowden printers like the UMO and UM2 have trouble with because it's like pushing a string and the feeder is far from the print head. But you can get it to work - you just have to print slowly and oil the filament. I've printed lots of things using ninjaflex.

So basically look at the filament description and see the recomended print temperature. As long as it is 270C or less you should be fine.

 

Hey Ultimaker User!

thanks for posting that hint - I have a lot of trouble with wood-filament, XT and NinjaFlex on my UM2.

Can you be a bit more specific in how you prepare the materials (oil up ninjaflex - what to use and how and ...?) and also what settings do you use in Cura and on the machine itself for the materials?

It would be good to have data and put a guide together for the community, so that the frustration-level is not that high anymore...

Now that we have all the material and try to blog about our experiences (started in German language), we really could use some hints - combined with our testing and documentation (pictures, Videos) we can give then good feedback to all other UM2 users...

Hope for your valued input here - :)

RMJ :)

 

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Here are some of my settings:

XT:

- I usually print slow but its not really needed (30mm/s)

- 50% fans in the material settings

- 235-240C

- 80C bed

- 3DLac Spray

- Close front panel

Woodfill Fine:

- .2mm layers or more

- 50mm/s or more otherwise it will clog often

- 105-110% material flow

- 220C

Ninja Flex:

- You cant use OEM feeder. I use Roberts feeder with the snap on guide (https://www.youmagine.com/designs/alternative-um2-feeder-version-two)

- I don't use oil but some do

- 20-30 mm/s

- 235C

- retraction: 6.5mm, 35mm/s

- Check this thread http://umforum.ultimaker.com/index.php?/topic/3904-flexible-filaments-comparison/?p=50375

 

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Here are some of my settings:

XT:

- I usually print slow but its not really needed (30mm/s)

- 50% fans in the material settings

- 235-240C

- 80C bed

- 3DLac Spray

- Close front panel

Woodfill Fine:

- .2mm layers or more

- 50mm/s or more otherwise it will clog often

- 105-110% material flow

- 220C

Ninja Flex:

- You cant use OEM feeder. I use Roberts feeder with the snap on guide (https://www.youmagine.com/designs/alternative-um2-feeder-version-two)

- I don't use oil but some do

- 20-30 mm/s

- 235C

- retraction: 6.5mm, 35mm/s

- Check this thread http://umforum.ultimaker.com/index.php?/topic/3904-flexible-filaments-comparison/?p=50375

 

pm_dude

thank you for the details - I will change the feeder and run tests.

Right now I have to solve another problem - my nozzle is cloaked and blocked - I performed at least 15 times the atomic version to remove anything in there - but I can not get out what´s in it...

I am thinking about maybe taking it apart - or have a new one sent ...

I know wrong thread but any ideas here?

:)

Roland MJ

 

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What type of material is stuck (PLA, ABS, Nylon,...)?

Did you try to insert a needle (acupuncture needles are small enough), electric wire, brush wire or anything strong enough to push from the bottom on the nozzle while its hot?

When the nozzle is hot and you push filament in manually is there any material at all that comes out?

What material do you use for the atomic pull?

How high do you bring the nozzle and at what temp do you do the pull?

 

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Hey I just noticed that the latest firmware update on the UM2 support import/export of the material preset on the sd card

Cura 14.12

Update Ultimaker 2 firmware

 

  • Added the ability to import/export material profiles to the SD card.

 

Anyone tried it?

 

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Hey I just noticed that the latest firmware update on the UM2 support import/export of the material preset on the sd card

...

Anyone tried it?

 

Yes, of course. Plain sailing.

Works exactly like you suggested:

 

Maybe saving the customized material preset on the sd card could be done so you can customize the names and share your settings with others.

 

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When you export and adapt the txt file on sd card and you want to keep a back up of the original file dont just rename it but remove it from the sd. Otherwise it will still read the old file at import (when i changed it to copy-material.txt i think)

Besides this funny feature it works super!

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... when i changed it to copy-material.txt i think ...

 

Are you sure ?

Or maybe ... you call it "material-copy.txt" ?

Because in a 8.3 file system material.txt and material-copy.txt ... are the same file and, probably, the firmware see only the oldest one ;)

Guglielmo

P.S. : Daid explained this in another thread ... HERE :D

 

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Hi,

I resume this thread because I'm try to print with a customized material (I've edited the txt file and added settings for Flexible PLA) but when I select the file to print on the UM2+, the printer notifies me that the file was designed for another material and gives me two options: "Continue" and "cancel". Pressing continue, the settings changes to the material chosen in Cura (PLA). How can I tell the printer to maintain the selected material settings also if different from one set in Cura?

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