[Gta04-owner] vacuum cleaner moulding?

[Boudewijn]

On Tuesday 10 January 2012 16:06:06 David Lanzendörfer wrote:
> Howdy how
> 
> I just had a flash of inspiration concerning our case design.
> Does someone have a already functional RepRap at hand?
> Because we could partially print our parts with a reprap add them together
> with Epoxyde and put them into container, then filling it with plaster
> stone.
> 
> Then we can remove the base form and fill it with liquid ABS or so.
> Instead of increased outside pressure, we could generate a vacuum
> with a vacuum cleaner trough a second hole.
> 
> What do you think?

I think it improves throughput, but at the cost of precision. Precision is the 
main obstacle for the "old" design, throughput is not yet a bottle neck. I 
hope it will become so, but if printing takes eg 3 hours per case, we still 
can print hundreds per week with a couple of RepRaps available.

You were working on a RepRap, were you not? How is progress? I have been 
postponing to start with (buying parts for) one for a couple of years now :-( 

Concerning precision for the buttons: a couple of weeks ago I mentioned 
printing "integrated" buttons, a bit in the same way as those plastic buckles 
on backpacks ("narrowing plastic hinge"). There have been no reactions on that 
yet; would that be feasible or would the "buttons" break?

Boudewijn
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