From: John Eric Voltin (jevoltin@agile-technology.com)
Date: Thu Nov 15 2007 - 01:34:16 EET
My understanding is that CastForm for SLS burns out very well - almost
identical to casting pattern wax. I have seen it used to cast steels,
aluminum, titanium, and some exotic aerospace alloys. There is a spec
sheet from 3D Systems at the following link?
http://www.3dsystems.com/products/datafiles/lasersintering/datasheets/CastForm-PS-material-A4_UK.pdf
- John
> Hi Bill, If the parts are small and don't contain undercuts etc. Then
> two-sided machining in wax, of a bunch of parts at a time should be the
> most
> economical and give the best burnout results.
>
> Solidscape machines produce very detailed parts, with excellent burnout,
> but
> the parts will work out relatively expensive.
> As far as I know, all other machines/resins leave varying degrees of ash,
> and/or require special burnout procedures.
> Does anyone else know of a clean burn-out printer?
>
> Bernard Bryce,
> Precisioncast Ltd.
> Pollinore, Corofin,
> Galway, Ireland
> +353 93 41198
> +353 86 8521858
>
>
> -----Original Message-----
> From: owner-rp-ml@rapid.lpt.fi [mailto:owner-rp-ml@rapid.lpt.fi]On
> Behalf Of Bill Bedford
> Sent: 14 November 2007 13:46
> To: rp-ml@rapid.lpt.fi
> Subject: [rp-ml] Investment casting
>
>
> I'm looking at the possibility of using a 3d printer to directly
> produce waxes for investment casting for low volume production.
>
> Has anyone any experience of doing this?
>
> What machines would people recommend and are there any potential
> problem I should be aware of?
>
> --
> Bill Bedford
>
> "Nothing is as important as model railways and even that isn't very
> important"
>
> -some wiseguy somewhere
>
>
>
>
>
>
- John
John Eric Voltin
Mechanical Engineer
Agile Technology
512-633-0394
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