Re: QuickCast in a hurry

From: Robert Welther (
Date: Thu Mar 25 1999 - 21:32:14 EET


Check out our web site Our rp process uses your STL file to
produce a casting shell directly. No intermediate tooling required.

Tom Richards wrote:

> 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:
> >Tom,
> >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.
> >The
> >patterns need to be either designed for that process, or converted into
> >patterns that would work, as a matchplate for instance. Most sand
> >casting
> >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

For more information about the rp-ml, see

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