[Noisebridge-discuss] Who wants Kilograms of Shapelock?

Corey McGuire coreyfro at coreyfro.com
Fri Mar 12 21:11:34 UTC 2010


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> 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] *On Behalf Of *Corey
> McGuire
> *Sent:* Friday, March 12, 2010 11:58 AM
> *To:* NoiseBridge Discuss; 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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