Re: Molding sticky substances

Old Dog ytret følgende:

> Unfortunately, I have a slow internet connection and burned out after
> 4 pages of links. I never did find a definitive treatise on how the
> material is handled out of the extruder.
> 
> I think extrusion of a sticky, solvent-wetted material is going to
> have to be either through a single nozzle or nozzles laid out in a
> row, so the lines of extruded materials do not touch immediately. They
> need to be extruded onto a moving belt that is slow and long enough so
> that the material is relatively dry before it reaches the end of the
> belt and is cut and allowed to fall into a collecting bin.

Davis' has a fairly decent description of the process. The secret seems to 
be the use of several thousand PSI of pressure and careful control of the 
solvent, resulting in a flexible, yet non-sticky cord that can be cut into 
grains or even coiled up as rope in drums for later processing.   


-- 
Eirik M

I see fragged people