what causes this?

B9 Core Series - Ideas and Discussions
badbrando
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what causes this?

Post#1 » Thu Sep 28, 2017 6:08 pm

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I had an issue with the vat and had to change it out. Figured everything would be perfect again after because the glass is spotless and the vat is new as well as the resin. What am I missing?

badbrando
B9 Maker
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Posts: 94

Re: what causes this?

Post#2 » Thu Sep 28, 2017 6:32 pm

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akgold
B9 Wizard
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Posts: 2072

Re: what causes this?

Post#3 » Thu Sep 28, 2017 10:25 pm

which machine are you using?
B9 1.1, 1.2HD, or Core 530,550
I'm so far behind I think I'm First !!

badbrando
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Posts: 94

Re: what causes this?

Post#4 » Thu Sep 28, 2017 10:47 pm

Core 550

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Robert Howle
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Posts: 6618

Re: what causes this?

Post#5 » Fri Sep 29, 2017 5:09 am

You have gotten smudges on the underside of the window of the vat or smudges on the surface coating of the vat. Are u oxygenating the vat surface after printing. I alternate vats every pint. Put them on a slope so the resin goes to one end (exposing the window).

Robert Howle
Dance like nobody's watching!

badbrando
B9 Maker
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Posts: 94

Re: what causes this?

Post#6 » Fri Sep 29, 2017 8:28 am

Interesting. No I doubt the vat surface is being exposed ever. I'll check the bottom of the new vat for smudges.

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Robert Howle
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Posts: 6618

Re: what causes this?

Post#7 » Fri Sep 29, 2017 12:21 pm

The vat surface has to be re oxygenated after printing, so it has to be "exposed" to the air. I slope it and keep the lid on outside the Core machine.

Robert
Dance like nobody's watching!

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Robert Howle
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Re: what causes this?

Post#8 » Fri Sep 29, 2017 12:21 pm

Send the pictures and your issue through the support portal on the web site.

Robert
Dance like nobody's watching!

Provin
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Re: what causes this?

Post#9 » Fri Sep 29, 2017 12:29 pm

has almost 95% that this problem is that you did not oxygenate the Duravat and did not clean the inner glass of the machine.

I can say that because it happened to me.

Provin
B9 Maker
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Posts: 16

Re: what causes this?

Post#10 » Fri Sep 29, 2017 12:35 pm

try to do this.
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badbrando
B9 Maker
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Posts: 94

Re: what causes this?

Post#11 » Fri Sep 29, 2017 12:53 pm

Doing that now.

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Robert Howle
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Re: what causes this?

Post#12 » Fri Sep 29, 2017 9:59 pm

The reason I asked about the window is just as I said.

This has happened to others and to myself. I started having the problem on one vat and it turned out I had touched the window underneath and had a couple of finger prints. Only use micro fiber to wipe the coating on the vat and use almost no pressure. The coating is pretty thin.

Robert Howle
Dance like nobody's watching!

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