At 12:38 PM 12/11/99 +0900, you wrote:
>
>Hello!
>I am a graduate student and currently trying to design a test part for RP.
>I would like to ask questions about it.
>My questions are:
>
> 1. what kind of components are included in test part ?
>
> 2. what is evaluated by measuring each of these components?
hsbyun: I like the three or four-sided pyramid say 2-inches on a side. You
can examine the pattern as-built (not hand finished) for:
Surface finish: underside, and inclined surfaces (stairstep effect);
Resolution: radius of intersection of surfaces;
Accuracy: lengths of edges;
Material properties: as-required by your needs.
I was first introduced to the idea of using pyramids by Sanders Prototype
who have used a smaller three-sided pyramid to demonstrate the excellent
resolution and finish of their patterns.
Best Regards, Tom Richards, Metallurgist
For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
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