[Noisebridge-discuss] Who wants Kilograms of Shapelock?
Lee Sonko
lee at lee.org
Sat Mar 13 05:42:08 UTC 2010
Can we get one of these for The Crucible / Noisebridge / Box Shop / My
bedroom?
(warning: machine porn)
http://www.youtube.com/watch?v=SQIYZ-iKuG4&NR=1
> -----Original Message-----
> From: Michael Shiloh [mailto:michaelshiloh1010 at gmail.com]
> Sent: Friday, March 12, 2010 7:59 PM
> To: Lee Sonko
> Cc: 'Corey McGuire'; 'NoiseBridge Discuss'; 'Orb Swarm'
> Subject: Re: [Noisebridge-discuss] Who wants Kilograms of Shapelock?
>
> One of my students cut gears out of plywood with a hacksaw.
> Crude but effective...
>
> Lee Sonko wrote:
> >
> >>You might try delrin...
> >
> > Ah, that's the rub. I'm not using CNC to cut the gears. I
> want to use
> > the simplest tools possible. If I had the class use CNC, it would
> > become a class in CNC operation. This is a class in the theories of
> > mechanics and kinetics; how to get "stuff" to move in interesting
> > ways. So I need some universally easy material to work in.
> That's why
> > we're using foam core right now. I want them to be able to fashion
> > their own gears, cams etc with their own hands persay so
> they can get
> > a hands-on feel for what they're building. I could buy lots
> of parts
> > but that would avoid much of the basic hands-on-edness that
> I'm trying to impress on them.
> >
> > I envision them squishing shapelock in their hands,
> pressing it into
> > gear molds, stretching it into shape by hand.
> >
> > I want to use Phun (the 2d physics simulator) but for real.
> >
> >
> >
> > *From:* Corey McGuire [mailto:coreyfro at coreyfro.com]
> > *Sent:* Friday, March 12, 2010 1:12 PM
> > *To:* Lee Sonko
> > *Cc:* NoiseBridge Discuss; Orb Swarm
> > *Subject:* Re: [Noisebridge-discuss] Who wants Kilograms of
> Shapelock?
> >
> > You might try delrin. It's great for gears because it
> is hard and
> > REALLY low friction. Are you using CNC to cut the
> gears? Inkscape
> > has an AWESOME built in gear tool. I used it on the
> Techshop laser
> > engraver to GREAT effect (acrylic.)
> >
> > On Fri, Mar 12, 2010 at 1:08 PM, Lee Sonko <lee at lee.org
> > <mailto:lee at lee.org>> wrote:
> >
> > I'm in for $10 at up for $15/kg
> >
> > I'm trying to find a better material to use for the
> Mechanical
> > Sculpture classes I teach at the Crucible. Right now we
> > generally cut gears, cams and levers out of foam core. It's
> > easy, safe and inexpensive. But it's foam core
> and... well it
> > kinda sucks. If I taught mechanics in metal, we'd
> spend all our
> > time learning how to use the tools to work the
> metal; the same
> > goes with wood :-(. Maybe Shapelock will fit the
> bill: easy to
> > work and re-work with inexpensive tools, safe, inexpensive,
> > fairly sturdy when cool.
> >
> > Lee
> >
> >
> > *From:* noisebridge-discuss-bounces at lists.noisebridge.net
> > <mailto:noisebridge-discuss-bounces at lists.noisebridge.net>
> > [mailto:noisebridge-discuss-bounces at lists.noisebridge.net
> >
> <mailto:noisebridge-discuss-bounces at lists.noisebridge.net>] *On
> > Behalf Of *Corey McGuire
> > *Sent:* Friday, March 12, 2010 11:58 AM
> > *To:* NoiseBridge Discuss; hackerdojo at googlegroups.com
> > <mailto:hackerdojo at googlegroups.com>; Orb Swarm;
> Chris Tacklind
> > *Subject:* [Noisebridge-discuss] Who wants
> Kilograms of Shapelock?
> >
> > Instead of buying the name brand material for
> $1.50 an oz, I
> > am looking for a source of CAPA 6800 at $10 a
> kg or about
> > $0.30 an oz. I might need to get this in a 20kg volume
> > (that's right, I'm measuring volume in grams!)
> That means a
> > $200 purchase. maybe more with shipping and distributor
> > specific pricing, but I have it on authority
> that $10 a KG
> > is not unreasonable.
> >
> > Anyone who knows of a source, please help me
> out. Right now
> > I am looking to work with Tri-ISO.
> >
> > Who is interested? Do I have $200 of interest
> in Shapelock?
> > Or, how many KG would you like at $10 a KG? The more
> > interest, the more likely the chance of success.
> >
> > Ripped from
> http://en.wikipedia.org/wiki/Polycaprolactone :
> >
> > *PCL also has many applications in the hobbyist
> > market. Some brand names used in
> selling it to this
> > market are Shapelock and Friendly
> Plastic in the US,
> > and Polymorph in the UK. It has **physical
> > properties*
> <http://wiki/Physical_property>* of a
> > very tough, nylon-like plastic that melts to a
> > putty-like consistency at only 60°C.
> PCL's specific
> > heat and conductivity are low enough
> that it isn't
> > hard to handle at this temperature.This makes it
> > ideal for small-scale modeling, part
> fabrication,
> > repair of plastic objects, and **rapid
> prototyping*
> > <http://wiki/Rapid_prototyping>* where heat
> > resistance isn't needed. Though molten
> PCL readily
> > sticks to many other plastics, if the surface is
> > cooled, the stickiness can be minimized
> while still
> > leaving the mass pliable.*
> >
> >
> > --
> > Success is a tasty spirit distilled from bitter failure
> > --Coreyfro
> >
> >
> >
> >
> > --
> > Success is a tasty spirit distilled from bitter failure
> > --Coreyfro
> >
> >
> >
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> >
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>
> --
> Sent from my ASR-33
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