[Systems Engineering Teachers' Mailing List] RE: [Design and Technology] Rapidprototyping and SolidWorks

[pcranswick at aitkencollege.edu.au]

One more thing Peter,

You could take a 3D print to a foundry and have it cast with the
green sand casting. Machine the aluminium or bronse casting up on a
lathe etc. Models can also be made in wax for lost wax casting.

Philip


On 17.05.2007 at 17:43:32, pcranswick at aitkencollege.edu.au wrote:

> Hi Peter.
> 
> The vase is an example of A Zcorp 3D printer:
> This 3D printer uses a plaster based material (Talc). It works
just
> like  on an inkjet printer, however this machine lays down powder
> and
> jet binder, essentially gluing each layer together. Once these
parts
> have ‘printed’ the parts can be infiltrated to improve mechanical
> strength. This process makes rapid prototyping affordable as small
> models can cost between $10 and $20.  A latex material can also be
> used for infiltrating the model. These models are only intended
for
> design development only.  
> 
> For more permanant parts you could use an Objet Eden 3D printer:
> This uses a photopolymer (liquid epoxy resin) material to build
> components. The machines jet a resin onto a build platform layer
by
> layer about .25mm. After each layer, a high power UV light changes
> the state of the resin from a liquid to solid, building up a rigid
> physical model or component. This is accurate and can be very
> complex. However this is a particularly expensive process. Small
> models usually cost over $100:00... bugger.
> 
> Other than that go for CNC or milling technology.
> 
> Hope this helps?
> 
> Philip
> 
> 
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