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Build Your Own SLA/SLS A forum dedicated to helping you build your own SLA/SLS-based 3d printer 2015-06-03T08:04:19-04:00 http://www.buildyourownsla.com/forum/feed.php?f=19&t=2733 2015-06-03T08:04:19-04:00 2015-06-03T08:04:19-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=2733&p=10265#p10265 <![CDATA[Re: Casting With the LittleRP]]> Statistics: Posted by JSmith172 — Wed Jun 03, 2015 8:04 am


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2015-05-18T23:32:10-04:00 2015-05-18T23:32:10-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=2733&p=10045#p10045 <![CDATA[Re: Casting With the LittleRP]]>
spider_ring.jpg

Statistics: Posted by cerriousdesign — Mon May 18, 2015 11:32 pm


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2015-05-18T13:58:35-04:00 2015-05-18T13:58:35-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=2733&p=10034#p10034 <![CDATA[Re: Casting With the LittleRP]]> The ring looks great. I was wondering if your 'gold smith' used your printed resin model and directly burned it out of the investment after prepping it, or did he/she use the resin print to create a vulcanized mold first, and therefore subsequently use wax duplicates to cast with? So the real question [and possible subsequent debate] is: If an artist is able to create a vulcanized mold with any resin -- why the hype over so-called 'CASTING' resins? Meaning that if I print a resin piece then vulcanize it -- then cut around the mold, and even into the resin and manage to create a usable vulcanized mold from ANY printable resin, and then inject some wax into the created mold and run off as many copies of the original as the mold will allow, why would I need to buy expensive Casting resins? Am I just purchasing this expensive goop so that I can burn out the printed resin with a kiln only if I wanted or needed to, vs running multiple copies of wax version using the vulcanized rubber route?

How MadeSolid CastSolid & Deep Red it burns... in my tests:
Also, I intended to add [just FYI for anyone] that when I tested the MadeSolid (MS) CastSolid resin along side the MS Deep Red, the CastSolid burned more like cardboard and almost appeared to be implosive, shrinking and still very ashy like a withered cardboard matchstick, but most certainly did not melt like wax or even PLA. When compared to the MS Deep Red burn, it was IMPRESSIVE indeed! The Deep Red burned like volatile plastic and really caught fire, and warped -- almost expanding a bit, unlike the CastSolid. Overall I am glad I purchased the CastSolid in case I'd like to use it for direct investment casting. Now I understand how it might perform in a rapidly heated kiln and burn out as desired. I'd like to hear other experiences, so bring it on people...Thanks in advance!!
Respectfully,

Statistics: Posted by smsla — Mon May 18, 2015 1:58 pm


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2015-04-26T17:30:50-04:00 2015-04-26T17:30:50-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=2733&p=9699#p9699 <![CDATA[Re: Casting With the LittleRP]]>
I backed the LittleRP for jewelry making too so I will look forward to hear about the different castable resins.

Statistics: Posted by Kochen — Sun Apr 26, 2015 5:30 pm


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2015-03-11T03:00:44-04:00 2015-03-11T03:00:44-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=2733&p=8755#p8755 <![CDATA[Re: Casting With the LittleRP]]> will post soon :>
also if you have request of resins ill try my best to get it in

Statistics: Posted by JSmith172 — Wed Mar 11, 2015 3:00 am


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2015-03-02T20:29:19-04:00 2015-03-02T20:29:19-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=2733&p=8639#p8639 <![CDATA[Re: Casting With the LittleRP]]> Statistics: Posted by nicanor76 — Mon Mar 02, 2015 8:29 pm


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2015-03-02T07:43:36-04:00 2015-03-02T07:43:36-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=2733&p=8627#p8627 <![CDATA[Re: Casting With the LittleRP]]> Statistics: Posted by JSmith172 — Mon Mar 02, 2015 7:43 am


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2015-03-02T05:09:24-04:00 2015-03-02T05:09:24-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=2733&p=8625#p8625 <![CDATA[Re: Casting With the LittleRP]]> Still, the results look good.

I wonder at times on how much we should worry about model surface finish - given the casting will leave a finish that needs to be polished off, do we need glass-smooth models to work with for small runs/one-offs?

Statistics: Posted by ps_bond — Mon Mar 02, 2015 5:09 am


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2015-03-01T03:53:14-04:00 2015-03-01T03:53:14-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=2733&p=8611#p8611 <![CDATA[Re: Casting With the LittleRP]]>
IMG_4612.JPG

IMG_4611.JPG

Statistics: Posted by JSmith172 — Sun Mar 01, 2015 3:53 am


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2015-03-01T03:52:22-04:00 2015-03-01T03:52:22-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=2733&p=8610#p8610 <![CDATA[Re: Casting With the LittleRP]]> men's ring
IMG_4609.JPG

IMG_4608.JPG

IMG_4607.JPG

Statistics: Posted by JSmith172 — Sun Mar 01, 2015 3:52 am


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2015-03-01T01:07:16-04:00 2015-03-01T01:07:16-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=2733&p=8609#p8609 <![CDATA[Casting With the LittleRP]]> i'm working on using the littleRP to cast and print rings, so far I been seeing a lot of hits and misses
for the resin I have been using a mixture of 1:1 of both b9 resins (cherry and red)
the burn out seen to be nice and with respects to that no problems so far, still waiting for pictures back from the gold smith
I have been using an exposure time of 20000 for the support layers and 17000 for the ring themselves, but for thinner rings I bring that down to 14000
the only problem I been having with this is the exposure wears the dishes out really fast
I have ordered the new madesolid casting resins and will post how I find that
I find the shrinkage to be pretty much spot on at 3.5%

Statistics: Posted by JSmith172 — Sun Mar 01, 2015 1:07 am


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