Here's some input from our experiences with the copper duraform although we
haven't run an extensive amount of the material. We've seen good promise for
this product and expect to have more experience over the next several months.
Drew Brown
Conceptual Reality L.L.C.
Phone:(248)926-8820
Fax:(248)926-8830
http://www.conceptual-reality.com
Darrick Spaven wrote:
> Hi All,
>
> I am interested in results users are having with the Copper PA material
> release by DTM.
>
> 1.) How well does it process?
> The material runs quite nicely in the machines but does experience some curl
> (I think it's post build). It is usually seen after the parts are removed
> from the cake. A slow cooldown is necessary.
> 2.) How easy is it to finish?
> The material finishes quite nicely after infiltration with Imprex although
> we have experienced some problems with the infiltrant setting up correctly.
> Sometimes deep holes and ribs require loose inserts to help make finishing
> more effective in those areas.
> 3.) What post processing is necessary to achieve optimum results?
> Sealing and sanding.
>
> 4.) How must you treat the inserts in order to use in conjunction with
> conformal cooling lines?
> We've made our cooling using copper tubing which we put in place prior to
> back-casting.
>
> 5.) How many shots have you been able to achieve and in what materials?
> We've run up to 300 shots in polypro with very little mold wear. This is the
> only material we've run a larger quantity on.
>
> 6.) How re-usable is the material?
> We always make it a rule to mix virgin material with all builds. Since we
> can't afford to have bad parts come out of the machine we don't try to test
> the waters.
>
> Any information would be sincerely appreciated.
>
> Kind Regards
>
> Darrick Spaven
>
> Managing Director
>
> RPM Solutions Australia Pty Ltd
> 116 Frederick St Welland PO Box 5
> SA 5007 Australia
>
> Phone +61 8 8340 8344
> Fax +61 8 8340 8277
>
> ------------------------------------------------------------------------
>
> Name: Darrick A Spaven.vcf
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