RE: QuickCast in a hurry

From: Tom Richards (
Date: Thu Mar 25 1999 - 22:04:46 EET

Yes, shell molds from SLS are certainly a way to go.

How does the cost of an SLS sand mold compare with the cost of an RP pattern
for shell molding, either of which is destroyed in the making a single casting?

At 12:36 PM 3/25/99 +0000, you wrote:
>I think I may have missed the earlier parts of this thread, so I do not
>fully understand your requirements. One solution we have used for
>parts in small quantities that would normally require a pattern set to
>be made, is to use the Sand Sintering process. We find most foundries
>have no problem with this, because you supply the full sand set and
>they just pour it. No draft angles required.
>Graham Tromans
>Rover Group
>-----Original Message-----
>From: ATiburon
>Sent: Thursday, March 25, 1999 2:44 AM
>To: tomr
>Cc: ATiburon; rp-ml
>Subject: Re: QuickCast in a hurry
>In a message dated 99-03-23 11:25:14 EST, you write:
><< >> Dan: We pour ductile iron (3-1/2 weeks) from RP patterns
>(1-week). >>
>As I understand, ductile iron, is done more commonly in sand casting.
>patterns need to be either designed for that process, or converted into
>patterns that would work, as a matchplate for instance. Most sand
>foundries aren't geared towards prototype work though. That is the
>process I
>would investigate rather than investment casting.
>Andy Scott
>Lockheed Martin Aerospace
>For more information about the rp-ml, see

For more information about the rp-ml, see

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