@MarcM I just wanted to say that I did manage to make a print with PC, albeit a small one, on a UM3E with a glass plate and some glue to make it stick. I also bought the optional cover to insure stable temperature, mostly because I tend to do a lot of prints in ABS for my customers. And UM sold PC material way before the S5 and aluminum build plate was even a prototype.
Thus, it may be possible that your printing problems do not lie on the absence of an aluminum build-plate, which was only supposed to make printing with certain materials easier, but perhaps there is also a problems with the settings you use, or maybe the roll of PC you bought is faulty. I did have a bad roll of PVA once, it seemed as if it took quite a lot of humidity even before I took it out of the sealed package, but I managed to save it with an oven. Perhaps you could ask your reseller for a swap with a new roll and test again?
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SandervG
The more you know, the faster you would understand the motivations behind such a decision. Users are not able to disable active leveling because of the size of the build plate in the Ultimaker S5. On
SandervG
Yes, we totally agree. However, we rather go this route than release a product which won't bring you a positive user experience.
gr5
My understanding is that there are many grades of aluminum but only MIC6 grade is flat and stays flat. But after you heat it and cool it for months it starts to warp. Worse than the glass.
ben1272 0
MarcM, I am in a similar situation. We also bought the additional acrylic cover in order to retain heat for difficult-to-print materials, fully expecting to be able to use it (and the new improved aluminum build plate) to print 'challnging-to -print' materials like PC. Without the improved build plate, we would have been MUCH better off purchasing a less expensive (but no less capable) printer.
I think it is the obstinate position taken by Ultimaker that this decision to cancel the aluminum build plate is no big deal. That decision is truly in the eye and mind of the ($6k USD poorer) purchaser who may not be able to do with the machine what they were led to believe they would be able to do with it. I have not yet engaged Ultimaker, so I cant yet say how my specific case will be handled, but I will be sure to report back once I know.
I have been thinking about how best to proceed with Ultimaker, and will be in contact with them shortly. I hope they are willing to do what is necessary to make this right.
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