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by Aaron RMW
Tue Nov 14, 2017 2:06 pm
Forum: General Discussion
Topic: the rings do not come out.
Replies: 13
Views: 1313

Re: the rings do not come out.

The burning out of the resin before casting was not thorough enough. Leaving obstructions or ash in the flask that prevent a complete casting. Try adjusting your ramp schedule, increasing airflow in your kiln, or vacuuming/blowing your flask clean of ash before pouring metal in it.
by Aaron RMW
Thu Nov 09, 2017 8:45 am
Forum: Troubleshooting
Topic: Horizontal waves problem
Replies: 3
Views: 495

Re: Horizontal waves problem

there are macro lenses that clip on to your cell phone for $10 or less
by Aaron RMW
Tue Nov 07, 2017 10:35 am
Forum: General Discussion
Topic: High Speed Printing using v1.2 Might be Possible?
Replies: 5
Views: 1135

Re: High Speed Printing using v1.2 Might be Possible?

Basically the vats that the v1.# use have too much surface adhesion, especially if they aren't given fresh oxygen regularly. that's why they slide the print off the surface rather than just pull up, and why the sweeper squeegees the surface clean of print resin between each layer. because the resin ...
by Aaron RMW
Mon Nov 06, 2017 11:26 am
Forum: General Discussion
Topic: High Speed Printing using v1.2 Might be Possible?
Replies: 5
Views: 1135

Re: High Speed Printing using v1.2 Might be Possible?

the short answer, I believe, is "no"
by Aaron RMW
Mon Nov 06, 2017 11:22 am
Forum: General Discussion
Topic: PDMS replacements
Replies: 10
Views: 1661

Re: PDMS replacements

I ordered the FEP from a link provided by someone else in the forums. As for applying the FEP I simply cut a piece that would cover a bit more than my build area, pulled off the plastic protective layer and laid the FEP onto a fresh coat of PDMS. I used the side of a Bic lighter to help me smoothly ...
by Aaron RMW
Mon Nov 06, 2017 10:42 am
Forum: Hardware
Topic: B9 scan 350
Replies: 9
Views: 1339

Re: B9 scan 350

$19,560? Let me just get out the bone saw so I can cut off my arm and leg.
by Aaron RMW
Mon Nov 06, 2017 9:11 am
Forum: General Discussion
Topic: PDMS replacements
Replies: 10
Views: 1661

Re: PDMS replacements

it's not a complete replacement but I have tried adding the FEP film on top of the PDMS, it prevents clouding, so far so good, I think this will be a bit of a game changer.
by Aaron RMW
Tue Oct 24, 2017 9:02 am
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 5267

Re: FEP over PDMS = orange VAT solution

I did modify the attachment layers exactly as suggested earlier in this thread as I'm using emerald. the print definitely seems to be crisper, I was hoping it was just my best focus job yet. my boss seems to believe this machine is capable of a fine polished surface print because he's never happy wi...
by Aaron RMW
Mon Oct 23, 2017 8:48 am
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 5267

Re: FEP over PDMS = orange VAT solution

I did it! I took the plunge and did a fresh coat of PDMS followed by an application of FEP film. the results are spectacular. Exact same if not slightly better print quality, and zero clouding even after a 16 hour print with some vertical supports going straight to the top of the object. Very pleased.
by Aaron RMW
Mon Oct 16, 2017 3:18 pm
Forum: Tips & Tricks
Topic: FEP over PDMS = orange VAT solution
Replies: 43
Views: 5267

Re: FEP over PDMS = orange VAT solution

from what I've gathered bigger prints can have issues pulling away from the FEP. most of the other users seem to suggest skipping the calibration print on FEP for this reason. but there's only one way to find out for sure :lol: . I'll be right there with you, gonna recoat a vat, put in the FEP and t...
by Aaron RMW
Mon Oct 16, 2017 3:14 pm
Forum: Hardware
Topic: PDMS issue
Replies: 7
Views: 583

Re: PDMS issue

that sounds ideal, even if I do make a mess of it I should be able to trim the excess with a blade and peel any unwanted material off the glass without leaving much residue.
by Aaron RMW
Mon Oct 16, 2017 1:24 pm
Forum: General Discussion
Topic: Position and supports
Replies: 12
Views: 1334

Re: Position and supports

you would be amazed. I had a very small eye of Ra come out in a print I didn't expect it to.
by Aaron RMW
Mon Oct 16, 2017 1:23 pm
Forum: Hardware
Topic: PDMS issue
Replies: 7
Views: 583

Re: PDMS issue

any particular glue you can suggest or just any old glue?
by Aaron RMW
Mon Oct 16, 2017 1:22 pm
Forum: Hardware
Topic: PDMS issue
Replies: 7
Views: 583

Re: PDMS issue

thanks i'll give that a shot, can't hurt, as long as I don't have a seizure or something and slop glue all over the window. hopefully this works and this will be the last time I need to apply PDMS for a long time.
by Aaron RMW
Mon Oct 16, 2017 10:48 am
Forum: Hardware
Topic: PDMS issue
Replies: 7
Views: 583

Re: PDMS issue

also since we only print at 50 microns on this v1.1 machine the affected area is actually not in the area of the PDMS that will actually be used, could I glue it down/against the wall with an adhesive? or fill the space between the PDMS and wall with hot glue or more PDMS?
by Aaron RMW
Mon Oct 16, 2017 10:44 am
Forum: Hardware
Topic: PDMS issue
Replies: 7
Views: 583

PDMS issue

Well I poured a new PDMS coating in preparation to use the FEP film over it. Something weird happened and the PDMS pulled away from the sides of the vat in one corner. Anyone know what could cause this? also I keep getting air bubbles in my waterfall, I don't think they cause any issues, but I don't...
by Aaron RMW
Mon Oct 16, 2017 10:21 am
Forum: General Discussion
Topic: Position and supports
Replies: 12
Views: 1334

Re: Position and supports

I forgot about the two halves method! good looking out metalcaster
by Aaron RMW
Thu Oct 12, 2017 9:41 am
Forum: General Discussion
Topic: Position and supports
Replies: 12
Views: 1334

Re: Position and supports

I would suggest on the crucifix tilting it back about 35 degrees, your less complex back should be a good place for your supports. as for the coin. the ridges make it a bit of a nightmare. I would actually add a "flap" that goes around the bottom 3/4 of the model wrapped around the edge of...
by Aaron RMW
Thu Oct 12, 2017 9:29 am
Forum: Hardware
Topic: Process aborted... motor no longer works
Replies: 17
Views: 1403

Re: Process aborted... motor no longer works

first focus on getting it well calibrated. a lot of people (myself, and more my predecessor with this machine, included) went with "close enough" and ended up having issues. once you find that sweet spot on calibration, you just have to worry about recoating the vats occasionally (though t...
by Aaron RMW
Thu Oct 12, 2017 9:25 am
Forum: General Discussion
Topic: Line pattern on the print?
Replies: 6
Views: 905

Re: Line pattern on the print?

one of the tricks I've used is painting on a thin layer of resin to give it a smooth surface, a little bit at a time, hitting it with a high powered UV flashlight for a minute or so between each surface application. sometimes it works well, sometimes not.... careful filing and sanding usually is the...

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