I guess the hole to drain didn't work out and there is a lot of resin on the inside of this print. Do I need to drill a hole to drain it or will it be ok?
翻譯年糕
Dane Bennett
2020-03-31 11:36:07
You'll need to drain it. Otherwise it will split and leak.
Jason Smith
2020-03-31 11:36:35
Chris Wolfe
2020-03-31 11:37:28
Chris Wolfe
2020-03-31 11:37:55
Yeah, one day a while from now you will find a puddle of toxic resin where you dont want it hehe
Mike Bauers
2020-03-31 11:39:05
If you don’t drain it, it’s very likely to split the figure over time with a huge crack.
Dane Bennett
2020-03-31 11:39:45
Jason Smith
you'll need to drill 2 holes actually. One to let resin out and the other to let air in and vice versa for when you wash it.
Michael Inwood
2020-03-31 11:39:49
Jason Smith
2020-03-31 11:40:20
Justin Miller
2020-03-31 11:56:11
Stefan Giudici
2020-03-31 12:03:54
Stefan Giudici
2020-03-31 12:04:39
Remember to put the hole on the plate side of the print, not the vat side
Mike Fatchett
2020-03-31 12:12:48
You need more than one hole I think when you print.
Sean Smith
2020-03-31 12:27:29
“The” hole? You only had 1?
Jason Smith
2020-03-31 12:34:38
Well I had prusa do the auto holes...I thought
Dan Andersson
2020-03-31 12:53:51
Make the holes as big as possible to get a nice flow of resin. I usually try to do 5 mm diameter holes. Works good and you can insert an uv led in the hole to cure the inside of the model.
James Swan
2020-03-31 13:44:50
I usually will drill 2 small holes and then use a can of air in one end and blow it out the other hole
Nipuna Gunarathne
2020-03-31 15:48:46
Sean Smith
one hole will do. A second hole just makes cleaning inside in post easier. With some models it's impossible to place a useful second hole without ruining the model
Oksana Shevchenko
2020-03-31 16:15:32
James Swan
blow it out the other hole
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Couldn't help myself
Michael Alexander Caddick
2020-03-31 16:30:31
Mi Ha
2020-03-31 16:49:52
Nipuna Gunarathne
This really depends on the resin and orientation. If there is no way for the air to rush in it won't drain - similarly to plucking a straw with your finger after it's filled with water.
Nipuna Gunarathne
2020-03-31 16:53:21
Mi Ha
yeah it'll be problematic if you only put one small hole
Luke Mason
2020-03-31 17:20:51
Luke Mason
2020-03-31 17:21:37
The inside resin will seep thru. The model will also develop cracks
Allison Janssens
2020-03-31 18:26:20
Doesn't the resin flow down towards the vat?
Sean Smith
2020-03-31 21:12:48
Nipuna Gunarathne
yeah one hole is always a risk. The lack of a hike also puts extra stress on the FEP when the print pulls away from the FEP. It can put a simple on the FEP if the area is narrow enough.
Stefan Giudici
2020-03-31 21:15:53
Allison Janssens
yup! But the side on the vat is inherently open while printing a hollow section anyway, and the resin can't drain unless air can get in at the top to let the resin drain from the bottom.
Stefan Giudici
2020-03-31 21:21:42
Allison Janssens
2020-03-31 21:36:58
Stefan Giudici
Woooow thank you so much for your explanation and example, I'll make sure to apply this new knowledge now thanks again!
Stefan Giudici
2020-03-31 21:38:13
No problem! Everybody gets that backwards in the beginning. That's why I prefer the term vent hole to drain hole
Richard Shapiro
2020-03-31 23:40:34
Shawn Barnes
2020-04-01 00:21:54
Shawn Barnes
2020-04-01 00:22:30
Is that...?
Stefan Giudici
2020-04-01 00:24:39
Depends on the print and what you can hide on the bottom. Some people advocate for a hole on each end but that was never the conventional wisdom and I don't see the point, I put all my holes on the vat side and get great results, if I have room for a big hole I'll do that, or if I need a few small holes instead (especially where the hollow geometry creates separate sections that'll build pressure, I'll do that too.
Jason Smith
2020-04-01 00:27:39
Shawn Barnes
it's not, but now I want one. Lol it's a chibi Eleven
Shawn Barnes
2020-04-01 00:28:11
Christopher Fugate
2020-04-01 01:28:26
Drill and drain. The resin expands as it cures, and that much in there will crack that thing open like an egg if you don't.
Chris Roberts
2020-04-01 04:55:03
James Peterson
2020-04-01 17:20:18
How the hell does this even happen to this degree? To me it seems logically impossible to have that much resin trapped in it. Like if you printed it standing up, you’d have to have over an inch deep of resin on the last horizontal it cure that closes the gap to have even half that amount.
These posts are boggling my mind!! Lol
