[chbot] How do I cast a Robotic Finger?

[Tim Carr]

Sorry to pimp the kit here guys. Please forgive me if it offends but seemed
to be a good solution.
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 *Tim Carr*
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On Tue, Jul 5, 2011 at 8:13 PM, Chester <t.ragfoot at gmail.com> wrote:

> When lifecasting a human finger you would use Alginate, that's the
> stuff the dentists use. it is a powder you mix with water. you would
> then cast it from that (temporary) mold in plaster or even melted
> plasticine. then you would need to make another mold from that if you
> are to use silicon or resin for the finished finger. you could also
> use some of the new silicons that cure very fast and are safe for
> skin. that way you can use that mold for resin or other materials
> straight away. I have most of these materials in my workshop and can
> order whatever else you need.
>
> On 7/5/11, Pieter Britz <pabritz at gmail.com> wrote:
> > hmmm... Richard,
> > do you just need a robotic finger or a whole hand?
> > Will the finger just point or must it be able to bend?
> > must the finger have traction, e.g. be able to grip something, rubbery or
> > smooth service?
> >
> > A hand from a fashion store figurine might work too.
> > Cheers,
> > Pieter Britz.
> >
> > On Tue, Jul 5, 2011 at 6:38 PM, Carl Ranson <carl.ranson at gmail.com>
> wrote:
> >
> >> **
> >>
> >> Do you need a realistic texture etc?
> >> You might be able to use thermo-plastic if not.
> >>
> >> On 4/07/2011 11:03 p.m., Richard Jones wrote:
> >>
> >> Does anyone have any suggestions for how to cast a robotic finger? I
> >> recall
> >> Charles Fimm and Kay coming up with suggestions for taking moulds of
> body
> >> parts at past meetings. I would like to create a somewhat realistic
> >> looking
> >> index finger. I'm just wondering where I could get the moulding
> >> ingredients
> >> from locally, and how to go about the process?
> >>
> >> Richard
> >>
> >>
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> >
> >
> >
> > --
> > Pieter Britz
> > +64 201 2374835
> > pabritz at gmail.com
> > New Zealand
> >
>
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