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izzy

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Posts posted by izzy

  1. Hi Rudy, I managed to borrow a Polysher from 3DFilaPrint to do some more realistic models from the one that were used in the advitising to do a field test report on, I have attached the link to the file on their web site

    For the Braq dragons we printed we found that they had to be left for a week to air dry and harden before being assembled otherwise they would stick together. Fine detail would be lost during the treatment and depending on the surface finish etc we could be using a 50 minute cycle time for some parts. Thin wall parts including the vase could collapse and if a filagree type print was too fine it would basically desolve away.

     

  2. I have been running with a Bondtech QR for over a year now and it’s excellent. I was testing a CF filament and the origional feeder was struggling to grip it due to the Filaments surface finish, the QR managed it easily. As well as the CF filament it also handled all the others easily including some very flexible filaments, with good PLAs at decent settings it could print the volumetric test peice and manage 10mm3/s which was the maximum I had on the test piece.

    • Like 1
  3. ... https://grabcad.com/library/human-spine-1

    Geometry is not so much the challenge but using Filaflex which is one most difficult to print  flexible filaments on bowden setups (and with a standard UM 2+ feeder).

     

    Have you tried a little light oil in the Bowden tube?

    I modified Roberts guide for the feeder and I now have a small hole running through from the back, I then insert a small pipe cleaner in with a few drops of oil on it . I still get the odd bit of under extrusion from FilaFlex from Recrues but I like the filament.

  4. Did the leak come from the block to nozzle thread?

    Disassemble the fan duct to get better access, not meaning to blow own trumpet but check out my fan ducts on the YouMagine site, https://www.youmagine.com/designs/um2-fan-duct-v2

    Not sure if they fit the new fans but they should do, these allow you to fully see the print nozzle, you can adjust the height from the workpiece, and they swivel out of the way for maintenance.

    Also did you print off and use Andes torque tool for tightening the nozzle.

  5. If it's around the outside of the nozzle and you can access it with some needle nose pliers, heat the nozzle upto about 100'C then pull it away with the pliers, a sort of external atomic clean. If you can't access it you may need to remove the fan duct first.

    If the nozzle was coated in PLA it would seem that it wasn't quite tight enough in the block, but be careful not to over tighten.

    To clear the treads you may need to heat up to 215 and wind in the nozzle to clean out the tread a bit and repeat it a few times, again if it is able to form a small bit you can grab with fine pliers drop the temperature to 100 and atomic pull it,.

    Worst case, you will have to remove the block, strip it down removing heater and sensor the use a small gas torch to burn out the filament without melting the brass.

  6. Problem solved, there was a problem with my antivirus, it would allow previous versions to run ok but the new version it would block part running, I have now authorised the various aspects of the new Cura and its running fine

    • Like 1
  7. Hi guys, loaded the new Cura, rebooted the computer, gone into Cura setup my machine and preferences in the system, loaded a part to check and test out, and it sits there saying "preparing to slice..." And going nowhere.

    Any suggestions?

    Izzy

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