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by tim.yoshi
Fri Nov 28, 2014 6:15 am
Forum: General
Topic: Red Cherry 1:1 Mix - Test Settings
Replies: 155
Views: 34374

Red Cherry 1:1 Mix - Test Settings

Well I'm pretty sure that this UV filter was filtering not only UV but also some blue. It has very light tint of yellowish which indicates it is filtering blue part of spectrum. So I managed to print few more "hot spot" calibration sets (small pillars) with vent hose attached to projector just under...
by tim.yoshi
Thu Nov 27, 2014 9:21 pm
Forum: General
Topic: Red Cherry 1:1 Mix - Test Settings
Replies: 155
Views: 34374

Red Cherry 1:1 Mix - Test Settings

Ok, so did it (removed big UV filter form lamp) yesterday and tried to print with insanely lowered cure time. Guess what? It worked! Last times it was about 25-27 seconds to cure 1:1 mix and still results were not good. Now I printed very successful at... 3 seconds. I even tend to think that was ove...
by tim.yoshi
Thu Nov 27, 2014 3:46 am
Forum: General
Topic: B9 resin red i need in black
Replies: 9
Views: 1647

B9 resin red i need in black

Well there are a lot of suppliers of resin outa there.
For example MakerJuice, FunToDo, Solarez, Spot-A materials, MadeSolid. Google and you'll find them ;)
B9Creator proven to work with all of them!
by tim.yoshi
Wed Nov 26, 2014 9:49 pm
Forum: Official News and Updates
Topic: Happy Thanksgiving!
Replies: 8
Views: 3158

Happy Thanksgiving!

Happy holidays guys :)
by tim.yoshi
Wed Nov 26, 2014 9:49 pm
Forum: General
Topic: Red Cherry 1:1 Mix - Test Settings
Replies: 155
Views: 34374

Red Cherry 1:1 Mix - Test Settings

Quote from Metalcaster on November 26, 2014, 14:44 Hi Tim, I am having the same problems with my 1.1 machine... all of a sudden bad builds. I will order the kit you specified ... looks like a good idea. The machine does work with other material like MS material, but does not work well with B9 Cherr...
by tim.yoshi
Wed Nov 26, 2014 9:00 pm
Forum: General Discussion
Topic: Idea for fail safe to protect the projector in case of vat failure
Replies: 27
Views: 5799

Idea for fail safe to protect the projector in case of vat failure

Decreasing/increasing distance to projector should quadruple/divide by 4 light output, as we all know here, right? :)

Will be interesting to know how much PDMS absorbs. Bu the way how do you measure it? What spectra are used?
by tim.yoshi
Wed Nov 26, 2014 4:04 am
Forum: General Discussion
Topic: Idea for fail safe to protect the projector in case of vat failure
Replies: 27
Views: 5799

Idea for fail safe to protect the projector in case of vat failure

Have you tried how much actual VAT with glass and PDMS (typical print setup for v1.2) absorbs?
Or even how much PDMS alone absorbs?
by tim.yoshi
Wed Nov 26, 2014 3:57 am
Forum: Photo Gallery
Topic: Cane Collar
Replies: 14
Views: 3891

Cane Collar

Ah I see. So you removed the UV filter. I now recall our talk about it. Can you provide the details? You removed only first filter which is on lamp housing? Have you placed something in place of it? Ordinary glass or nothing? How about PDMS? Have you noticed some different behavior? How long you alr...
by tim.yoshi
Wed Nov 26, 2014 3:54 am
Forum: Links
Topic: Made In Space
Replies: 9
Views: 3515

Made In Space

So basically it's an FDM printer like prusa, mendel, ultimaker and others?
by tim.yoshi
Wed Nov 26, 2014 2:21 am
Forum: General
Topic: Red Cherry 1:1 Mix - Test Settings
Replies: 155
Views: 34374

Red Cherry 1:1 Mix - Test Settings

YES! This is it! Why it happens? My only suggestion as of now is a dust. I just can't see any other explanation to it! Try to print with it with significantly increased cure times. It should print, but model still will be kind of bad. Specially to test output of projector we need a spectrometer (spe...
by tim.yoshi
Wed Nov 26, 2014 2:04 am
Forum: Photo Gallery
Topic: Cane Collar
Replies: 14
Views: 3891

Cane Collar

Why so low cure time? Is it cherry?
by tim.yoshi
Fri Nov 21, 2014 8:27 am
Forum: 3D Printing
Topic: Stack it!
Replies: 16
Views: 2379

Stack it!

Impressive. There was no wobbling to a part?
by tim.yoshi
Fri Nov 21, 2014 8:27 am
Forum: Operation
Topic: Glass loosening from vat....
Replies: 13
Views: 2482

Glass loosening from vat....

Hmm, I usually fix such a problems with old good cyanoacrylate ;)))
by tim.yoshi
Fri Nov 21, 2014 8:27 am
Forum: General
Topic: Glass on VAT advise needed.
Replies: 2
Views: 973

Glass on VAT advise needed.

Hmm, I usually fix such a problems with old good cyanoacrylate ;)))
by tim.yoshi
Fri Nov 21, 2014 4:49 am
Forum: General Discussion
Topic: NuVat by Evert - Testing Results
Replies: 35
Views: 6614

NuVat by Evert - Testing Results

Dunno about mylar but teflon for sure must scatter light. At least a little. But all that should finally affect quality. So surface must be clean and truly clear... as glass.. Maybe ordinary glass?
by tim.yoshi
Fri Nov 21, 2014 4:00 am
Forum: General
Topic: Red Cherry 1:1 Mix - Test Settings
Replies: 155
Views: 34374

Red Cherry 1:1 Mix - Test Settings

Yes, that's on v1.1. I have not printed with red a long ago... But, hey no, I recall I tried test print sliced at 30-40 micron, with stock Cherry settings with Red resin. It was very weak, some parts not printed and so on. Never printed with stock Cherry. Multiplier is as it should be - 1.0. Both MS...
by tim.yoshi
Fri Nov 21, 2014 12:02 am
Forum: General
Topic: Red Cherry 1:1 Mix - Test Settings
Replies: 155
Views: 34374

Red Cherry 1:1 Mix - Test Settings

Hmmm.. Last time I used this mix (1:1) I had waaay bigger numbers. What can be wrong? Something with projector? But I changed lamp few month ago. Still some 200+ hours on it. I now see on forum that you guys really having low cure times and printing fine. I can't do nothing with cure times less than...
by tim.yoshi
Thu Nov 20, 2014 11:49 pm
Forum: Troubleshooting
Topic: Banding returns with a vengeance
Replies: 2
Views: 881

Banding returns with a vengeance

Check how Z-axis is going without nut on the "arm". You can easily do it just unscrewing two top screws on the arm and removing the delrin nut assembly. Nut itself should be downed to the bottom so that it would not prevent you from goin top down with arm.
by tim.yoshi
Thu Nov 20, 2014 11:43 pm
Forum: Tips & Tricks
Topic: Curing in the microwave
Replies: 122
Views: 35778

Curing in the microwave

Well one could just cook it in the ordinary pan :) Boil it for 20 minutes like some pasta or seafood and you're done! :)

Nice thing to try ;)
by tim.yoshi
Thu Nov 20, 2014 11:40 pm
Forum: General Discussion
Topic: NuVat by Evert - Testing Results
Replies: 35
Views: 6614

NuVat by Evert - Testing Results

Thanks Mike. You did it for all of us. That's what I was afraid of. :( Sad that it will not work on large cross section items, but at least it will help with very tall items. That's still half-win :) Also if jewelers will be able to print some of their items without changing PDMS at all makes it 3/4...

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