maandag 14 mei 2012

TM 2.0 build

Hey, it's been a while but I'm back!

Introducing TM 2.0 with a new joint design. The print arrived this weekend for Shapeways so I could put it together. This design no longer has the fixed joints, instead it has a real hinge so that the crossing members can run through eachother. However this does mean that it's not printable in one piece anymore, since steel and Nylon don't yet mix very well in a 3D printer.
Here are some pictures:

The part's where so small and close together that at one end they had fused together in the SLS machine. This gave me a bit of a panic for 1/2 an hour. But in the end I decided to simply cut them loose form each other

Drilling with a 1.5 mm drill. Since the holes where dimensioned at 1.2 mm these had also been partly fused by the SLS. However they where not completely sintered through and provided a nice guide for the drill. All holes where easy to drill even with these small dimensions.

Then putting in the 1.2 mm steel wire that acts as the hinge.

And there you have it!

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