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sfeldman

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About sfeldman

  • Birthday 05/25/1992

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  • Field of Work
    Education
    (Product) design
    Engineering
  • Country
    US

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  1. I have all of my fan options open. I have fans on the ultimaker 2+ set to 100%. I have regular fan speed set to 20% and I understand that could be why the side fans do not start but my extruder fan does not start either and that should automatically kick on once it reaches 40C yet I have to start all my fans by turning them with my fingers or tweezers.
  2. I am currently having the same issue. I have to physically turn all three of my fans to get them to power on. I am surprised this did not get more attention as I do not know how to fix this 😕
  3. I tried to delete them but I don't see an option. Just trying to spread the word. Didn't see anyone in any thread talking about it.
  4. I have been printing with solely ABS for quite some time now. I used an ABS/Acetone mixture which gave great surface adhesion for ABS prints but was messy to deal with. I just recently discovered PEI Sheets which are a special plastic that gains adhesion properties when it is heated. Since I installed it onto my ultimaker 2+ glass plate I have had 0 adhesion problems using ABS and all you have to do before every print is wipe it with an alcohol pad. Best method by far and can find installation videos on youtube. Here is a link for where I bought my PEI sheet. Also, to get the best enclosed heating for an Ultimaker 2+ I suggest getting the front cover through ultimaker and use a large cardboard box to cover the top. P.S. when using an enclosed heating space for ABS I highly suggest turning your fans on to 20% https://www.amazon.com/gp/product/B074XF3NGP/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
  5. I have been printing with solely ABS for quite some time now. I used an ABS/Acetone mixture which gave great surface adhesion for ABS prints but was messy to deal with. I just recently discovered PEI Sheets which are a special plastic that gains adhesion properties when it is heated. Since I installed it onto my ultimaker 2+ glass plate I have had 0 adhesion problems using ABS and all you have to do before every print is wipe it with an alcohol pad. Best method by far and can find installation videos on youtube. Here is a link for where I bought my PEI sheet. Also, to get the best enclosed heating for an Ultimaker 2+ I suggest getting the front cover through ultimaker and use a large cardboard box to cover the top. P.S. when using an enclosed heating space for ABS I highly suggest turning your fans on to 20% https://www.amazon.com/gp/product/B074XF3NGP/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
  6. I have been printing with solely Lulzbot ABS for quite some time now. I used an ABS/Acetone mixture for about a year which gave great surface adhesion for ABS prints but was messy to deal with. I just recently discovered PEI Sheets which is a special plastic that gains adhesion properties when it is heated. Since I installed it onto my ultimaker 2+ glass plate I have had 0 adhesion problems using ABS and all you have to do before every print is wipe it with an alcohol pad. Best method by far and can find installation videos on youtube. Here is a link for where I bought my PEI sheet. Also, to get the best enclosed heating for an Ultimaker 2+ I suggest getting the front cover through ultimaker and use a large cardboard box to cover the top. P.S. when using an enclosed heating space for ABS I highly suggest turning your fans on to 20% For LulzBot ABS w/ PEI Sheet: Extruder Temp: 235C Bed Temp: 80C P.M. me if you have any questions. https://www.amazon.com/gp/product/B074XF3NGP/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
  7. I have been printing with solely ABS for quite some time now. I used an ABS/Acetone mixture which gave great surface adhesion for ABS prints but was messy to deal with. I just recently discovered PEI Sheets which are a special plastic that gains adhesion properties when it is heated. Since I installed it onto my ultimaker 2+ glass plate I have had 0 adhesion problems using ABS and all you have to do before every print is wipe it with an alcohol pad. Best method by far and can find installation videos on youtube. Here is a link for where I bought my PEI sheet. Also, to get the best enclosed heating for an Ultimaker 2+ I suggest getting the front cover through ultimaker and use a large cardboard box to cover the top. P.S. when using an enclosed heating space for ABS I highly suggest turning your fans on to 20% https://www.amazon.com/gp/product/B074XF3NGP/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
  8. Ich habe etwas Erfahrung. Was brauchst du Hilfe?
  9. I have been using NinjaFlex for the past few weeks and have been fidgeting with the settings and found some pretty decent ones. I have not been able to find good profile recommendations so please post what you are using to compare. I am using a stock UM2+ with a universal filament filter to keep the NinjaFlex oiled as it enters the tube. Retraction settings turned off. UM2+ completely enclosed. Blue Painters Tape to ensure plate adhesion. Cura 2.5.0: Nozzle: 0.4mm Layer Height: 0.2mm Initial Layer Height: 0.3mm Wall Thickness: 0.8mm Top/Bottom Thickness: 0.8mm Print Speed: 30mm/s Infill Speed: 30mm/s Top/Bottom Speed: 30mm/s Travel Speed: 115mm/s Initial Layer Speed: 30mm/s Fan Speed: 60% Regular Fan Speed: 35% Initial Fan Speed: 0% Ultimaker 2+: Temperature: 240C BuildPlate Temp: 45C Material Flow: 110%
  10. That looks great! Do you mind sharing your printing profile?
  11. What fan settings would you suggest for NinjaFlex?
  12. I use blue painters tape with glue stick on top of it and it has been working well. You can also print a brim. It will still rip off easily after the print is finished.
  13. I only have experience with NinjaFlex but it looks like possible extruding issues. I would print a filament filter off thingiverse to keep your filament lubricated if you haven't already. I had similar issues as yourself before I added the filament filter. I use 45C bed temp and 235C nozzle temp for NinjaFlex and I get nice results. Also I have my Ultimaker encased to keep the environment around it at a more constant temp.
  14. I don't know if you have had much success since posting this but I also have a UM 2+ and have recently started printing midnight NinjaFlex and have had great results. It gave me a lot of issues at first with the extruder but once I cleaned out my nozzle using the atomic method and rubbed a few drops of sewing machine oil on the first foot of filament it has worked nicely. Once the filament has been inserted they suggest heating your nozzle and allowing the filament to come out before starting any print to make sure it comes out nicely which I also do. If anyone has any questions feel free to PM me for more details.
  15. This is genius. I have been all over ABS forums and this is by far the best and easiest solution I have seen for keeping in heat. It's as if the Ultimaker 2+ was made to have this box on top of it.
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