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by kai
Sat Jun 09, 2018 6:15 pm
Forum: For Sale
Topic: Selling my B9 Creator V 1.2 & VATS
Replies: 16
Views: 3643

Re: Selling my B9 Creator V 1.2 & VATS

Hi,
is it still for sale?

Best,
Kai
by kai
Tue Oct 31, 2017 1:21 pm
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

@rubendariocba
Hi Ruben,
the thread is about the v1.2 VAT. Has the 530 a VAT with silicone and some sort of film covering it?
If so, that is kind of interesting, I did not know that.
At the beginning of the thread there is a link where you can purchase the FEP film. It might be worth a try.
by kai
Tue Oct 31, 2017 10:57 am
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

@jep524:
In rare occasions I had the resin stick to the FEP during the first layers. But after I started to store the VAT without resin between prints, the problem went away. In regards to ghosting it should not matter how you store it.
by kai
Tue Oct 24, 2017 4:23 pm
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

@Aaron RMW I wish B9C would enable an anti-aliasing feature in their software which should/could minimize the lego effect. There has been some discussion on the board before if this actually helps, but there are now a couple of 3d printers offering anti-aliasing. @jep524 Did you store the VAT with t...
by kai
Mon Oct 23, 2017 5:49 pm
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

Hi Aaron,

this is great to hear :) Definitely a very long print! Did you make modifications to the attachment layers?

I was also under the impression that the prints come out crispier, especially in the z-axis direction.
by kai
Thu Sep 28, 2017 2:51 pm
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

"Mil" refers to "Thousandth of an inch" 7mil = 0.178 mm. I was stumbling over this as well. What I meant is you usually do not have to make a calibration print to correct the MSM as the distance to the projector is almost the same as before with the PDMS only. The focus might hav...
by kai
Tue Sep 26, 2017 4:53 pm
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

I hope it works for you :) The ghosting is a pain when you have small features. Just check on the following things: 1. Make sure to modify the material parameters as mentioned above and in other threads, for example attach multiplier:2, attach layers: 1 (emerald green) 2. I would not start with a ca...
by kai
Mon Sep 25, 2017 9:35 am
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

@Aaron: I guess you can do it with the aluminum VAT as well. The plexiglass is not important. I started by applying the FEP to the glass of the aluminium VAT directly, but did not have a lot of success as the FEP was misaligned or had bubbles. It sticks like hell :lol: After a lot of errors, I almos...
by kai
Sun Sep 24, 2017 1:13 pm
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

Here are a couple of photos. The larger object has a width of 1.8cm, the smaller of 1.6cm. We use the 3d prints to make silicone molds. This print is just a design approval print. The level of detail with the FEP is the same as with a fresh clear PDMS without FEP. Sometimes we have prints with 0.2mm...
by kai
Fri Sep 22, 2017 2:00 pm
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

Around 60+ hours on the same PDMS. I changed the FEP once because the first time I applied it I made a couple of mistakes. Replacing the FEP is fast, it peels of easily. You just need to remove the resin, so it cannot get in between FEP and PDMS. The PDMS itself looks like new. I think PDMS is norma...
by kai
Thu Sep 21, 2017 2:57 pm
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

It is for the orange VAT with plexiglass. Pulling of the FEP film from the plexiglass directly might cause some problems (I have read it in the forum before). But there were actually various reasons for me to apply the FEP over the PDMS: a) solution for orange VAT (see top), b) easy to get off and t...
by kai
Thu Sep 21, 2017 10:49 am
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

Hi, I duplicated the Emerald settings in the B9C software and set the attach multiplier to "2" and attach layers to "1". These are the only two settings you have to play with. You can test with different numbers and pause after a couple of layers to check if the print sticks. The...
by kai
Wed Sep 06, 2017 1:34 pm
Forum: General Discussion
Topic: Short cut keys
Replies: 8
Views: 1497

Re: Short cut keys

Nice features! Will the changes be included in the 1.2 software as well?
by kai
Mon Aug 14, 2017 11:29 pm
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

Re: FEP over PDMS = orange VAT solution

Yes, I think I have read it as well. I only use it for rings and coin sized objects. I bought it here: http://catalog.cshyde.com/item/3d-printing-materials/fep-tape-film-sheet/23-5s-3d-6x6 I just use enough FEP so that it covers the 30micron area, but from front to back (otherwise the wiper makes pr...
by kai
Mon Aug 14, 2017 11:17 pm
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 7990

FEP over PDMS = orange VAT solution

Hi all, I have been applying FEP film over a freshly PDMS coated orange VAT with great success. I am printing over 30+ hours and the PDMS is clear. As the resin is not in contact with the PDMS no ghosting occurs. Silicone adhesive FEP film works fine for me. If there are any bubbles you can just lif...
by kai
Thu Oct 06, 2016 10:40 am
Forum: 3D Printing
Topic: Black ressin
Replies: 7
Views: 1959

Re: Black ressin

I made molds from 1-1 mix models with the Castaldo Gelato silicone rubber. I did not need any release spray. Because of the heat and pressure thin models tend to deform, but for thick models no problem. RTV rubbers are a good choice for any model (albeit more expensive). I tested different Castaldo ...
by kai
Tue May 31, 2016 11:07 am
Forum: B9R-2-Black
Topic: Vulcanizing Black Resin vs 1:1 Mix
Replies: 2
Views: 2004

Vulcanizing Black Resin vs 1:1 Mix

Hi, we use currently the 1:1 mix for vulcanizing silicone rubber molds. This works fine for thicker models, but for filigree type items the model deforms because of the heat (170 celcius) and pressure. Does anyone have experience in molding thin models with black resin? Does the black resin have a b...
by kai
Fri Jul 31, 2015 10:41 pm
Forum: Photo Gallery
Topic: Print, Cast Model and Complex mold
Replies: 8
Views: 2730

Re: Print, Cast Model and Complex mold

Great stuff! Which silicone rubber did you use? It looks like the Gemini Red. I use currently the castaldo silcone rubber, but it feels a bit "light" at times. BTW, I was a bit disappointed of the RTV stuff from castaldo, weak "memory" ... well, another topic I guess.

Kai
by kai
Fri Jul 31, 2015 10:33 pm
Forum: Tips & Tricks
Topic: NEW MATERIAL FOR RECOATING THE VAT
Replies: 26
Views: 6390

Re: NEW MATERIAL FOR RECOATING THE VAT

Interesting topic ROSITAGIOIELLI ... by drum I found this link on the web, they call it flexvat: http://projectsinterestsandetcetera.com/diagram-flexvat/ It seems like the product is commercialized for other 3d printers (just google "flexvat" and you'll see) Did you print items with large ...

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