So this “proprietary” polymer film in NO WAY will last all that long. Anybody here take the vat apart yet? I’m wondering if we will be able to remove worn out polymer and replace it with a good FEP sheet.
Vat and FEP
Updated on December 31, 2019 in
General Discussion
the life time of UNIZ resin tank with Natural Peeling print mode is much longer than other brands. But if you use UDP mode, the lift time will be much shorter. That’s the cost of high speed. We are developing new film to make it longer life for UDP mode.
That remains to be seen. So far from what I’m seeing the Slash OL is a typical half baked KS 3D Printer which REQUIRES the end user to MAKE it work.
Proprietary 3D Printers NEVER succeed when sold via a KS campaign. Proprietary products only work when sold as a complete package along with hands on support. You can’t have it both ways.
UNIZ sold an incomplete product and as such we the KS supporters MUST be able to help UNIZ make it work. It would be a good idea for UNIZ to go along with that and not try to fight it with a proprietary mindset. It does not have to be completely open source for the users to make it work right. Perhaps UNIZ’s proprietary film on the vat IS better than FEP. We shall see! If not and the VAT is designed in such a way that I the owner cannot replace the vat film, then you can be assured that someone WILL scan the vat, modify it and 3D Print a copy which WILL allow the user to change the film!
- Liked by
The film they use is useless as far as I’m concerned. I’ve found a decent replacement film from flexvat.com. Just buy the 5 foot roll and cut the size as needed. You lose the new foam liner they use on the bottom but if you print in standard mode it works just fine. Changing the film isn’t that difficult, put a screw in one corner then move to the opposite corner and so on, all while pulling on the film to keep it taught.
The Vac has to stay on. It stays on during Peel mode. The UNIZ “engineers” designed it that way. The bed can’t be level unless the film is pulled flat against the glass. Of all the SLA systems we’ve looked at this one is just about the worst we’ve ever seen. Even the open source kits are better designed than this thing. Add to that the bait and switch CRAP these people pulled with the Slash OL at 150 microns and this thing is a total waste of money at any price. If this is Chinese Engineering the U.S. and European markets have nothing to worry about! LOL!
- Liked by
I can report here that after less then 1 bottle… Half a liter… The polymer on the vat gets holes in it. Thanks to the vacuum, the polymer on the vat is drawn tight on to the lcd screen. It is also drawn tight on the spacer for the LCD screen at the top of the screen as well as the black tape on the bottom of the screen. These two places, the tape and the plastic space, have corners and points on them which fairly quickly create holes in the polymer. Yet another design FAIL for UNIZ! Anybody keeping score? This machine is not a viable product. Not at all.
- Liked by
Incompreensible!!!!!!! are uniz working to send us a vat with a permeable membrane like carbon3d or similar machines thats works fast and really well????
Uniz has fast resines, but we need an good membrane to do the works correctly and fasts!!!!!!!!
Hmmmmm, I wrote a long response here and now it’s gone! “Someone” removed it -not me!!! I will try to replicate it again. So, yes UNIZ does have a carbon3D like patent (US20180036941A1 and CN109049685A). The idea as far as I understand the patent is that they left a thin layer of air between LCD and vat. The film in the vat should be oxygen permeable for this to work. But as far as I’m aware the film is NOT oxygen permeable, nor they put this patent at work, yet!
This patent is hardly to be used as the resolution would go south because of light dispersion. Let me rephrase. The light has to pass the LCD screen and maintain perfectly parallel path, go through the oxygen reach air gap and hit the oxygen permeable film. And of course – go through the film without dispersion and hit the resin. Two caveats here… light does not travel in parallel and some dispersion occurs going through different medium.
But, well, UNIZ might have some surprises for us in the future.
- Liked by
YOUR PREVIEW
0
0