CastSolid resin used in kiln burn-out or in vulcanized molds?

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smsla
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Joined: Sun May 17, 2015 9:01 pm

CastSolid resin used in kiln burn-out or in vulcanized molds?

Postby smsla » Mon May 18, 2015 2:45 pm

The body of this post is a re-post [for the most part] from my reply to the post by JSmith172 at viewtopic.php?f=19&t=2733

Hi,
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? Thanks in advance!!
Respectfully,
Last edited by smsla on Sun Jun 07, 2015 1:35 pm, edited 5 times in total.
Steve H.
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minimaker
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Re: CastSolid resin use in kiln burn-out or in vulcanized mo

Postby minimaker » Mon May 18, 2015 4:02 pm

For fairly flat models it's pretty easy to make a mould, but when shapes become more complex you may not be able to do that. Then it's better to have something you can put directly in the plaster and burn out.
Let's see what we can do with a LittleRP.

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smsla
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Re: CastSolid resin use in kiln burn-out or in vulcanized mo

Postby smsla » Tue May 19, 2015 2:46 am

Also, has anyone incorporated sprues or gates into their prints? Or should I try melting wax sprues and gates on the CastSolid print prior to pouring the investment? I will eventually try this, so this is just a prelim question before I do, to inquire if it's been done before. Thanks!
Steve H.
USA

minimaker
Posts: 72
Joined: Sat Apr 18, 2015 10:54 am

Re: CastSolid resin use in kiln burn-out or in vulcanized mo

Postby minimaker » Thu May 21, 2015 5:55 pm

You can do both but I find it easier to print at least a bit of sprue with the model. It gives you more control on the shape and size of the connection and creates an attachment area from where you can build the rest with wax. I prefer to build the rest with wax as that is easier to get out of the mould.
Let's see what we can do with a LittleRP.


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