Monogram

Discuss casting techniques
lklutts
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Monogram

Postby lklutts » Thu Oct 12, 2017 2:54 pm

Grew in 12 minutes. Cast today. 26mm round
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robin
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Re: Monogram

Postby robin » Thu Oct 12, 2017 5:06 pm

Nice casting. I'm experiencing less flashing on 42xy with the default profile using the SolusCast resin. At 25xy, I get flashing similar to yours when printing flat on the buildplate. At 26mm width, I'm guessing you used 25xy, right?
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Archerm
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Re: Monogram

Postby Archerm » Thu Oct 12, 2017 5:08 pm

Very Nice Casting Len!!
rsaldivar
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Re: Monogram

Postby rsaldivar » Thu Oct 12, 2017 8:16 pm

way to go Len
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CADjewelrySchool
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Re: Monogram

Postby CADjewelrySchool » Thu Oct 12, 2017 10:19 pm

robin wrote:I'm experiencing less flashing on 42xy with the default profile using the SolusCast resin. At 25xy, I get flashing similar to yours when printing flat on the buildplate.


The lamps on the last 8-9 x Vivitek 1186 projectors we have setup for customers have been REALLY bright. I mean way to bright for use with the default exposure settings in the resin profiles.
We have had to reduce the exposure time @ 25XY @ 30microns DOWN from 2.7 to 2.1 sec in B9 Emerald resin, and some of the base exposures are down to 10-11 sec @ 30microns.

Depending on how "tight" your build platform is calibrated to the quartz/ glass, I recommend adjusting the base exposure down in 1 sec intervals till you find the optimal setting to reduce flashing.
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mongerdesigns
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Re: Monogram

Postby mongerdesigns » Thu Oct 12, 2017 10:41 pm

Hmm. Are you sure, Rik? We use them as is and it works great. Are you setting the projector on ECO mode?
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CADjewelrySchool
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Re: Monogram

Postby CADjewelrySchool » Fri Oct 13, 2017 12:56 am

Hi Emil. Yeah I hear you. They are definitely set to ECO. There is flashing at 30z @ 2.7 sec, so we test print and adjust downwards in 0.1 sec steps till we get a clean print with no/little excess resin in the vat after printing.
We are on 240v here in Australia, and I have always thought that made a difference over the US. Maybe not :?
M.A.N
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Re: Monogram

Postby M.A.N » Fri Oct 13, 2017 7:16 am

mongerdesigns wrote:Hmm. Are you sure, Rik? We use them as is and it works great. Are you setting the projector on ECO mode?


Yes. I reduce my new 1186 projector exposure time to 3 seconds From 4.5 in 41 microns and base to 20!!!

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