[Noisebridge-discuss] Who wants Kilograms of Shapelock?
Michael Shiloh
michaelshiloh1010 at gmail.com
Sat Mar 13 05:47:19 UTC 2010
Let's build one!
Lee Sonko wrote:
> 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
>>>
>>>
>>>
>> ----------------------------------------------------------------------
>>> --
>>>
>>> _______________________________________________
>>> Noisebridge-discuss mailing list
>>> Noisebridge-discuss at lists.noisebridge.net
>>> https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>> --
>> Sent from my ASR-33
>
>
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