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Extruded Aluminum Slide

by LoialOtter Apr 2, 2012
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how did you make the pdf?

Lots of work needed. Bearings won't fit in and main housing will not print. Adjusting design. (oh, and i need a better printer)

Nice work. There is a lot of potential here. Does each complete roller use 2 bearings? It looks like each roller half gets a bearing pressed in the top, but you have only 4 bearings listed. I like the way you have your holes sized to allow the fasteners to thread into the plastic. How well does the assembly handle vertical forces?

the two halves of the roller go on either side of the bearing so there's only one bearing inside each housing. The T-slot itself will hold it together well enough.

As for strength, I'm hoping to print a set of these tonight to find out. I haven't tested this guy yet. I expect that the shape isn't ideal for strength though shouldn't be that bad either. I can see it taking a few kg of force but will have to test.

I saw you printed it, how well does it work?

It slides amazingly well except for the fact that the rollers are a little faceted and it makes it feel rough. I'm hoping to be able to test a new printer which supports curves using slic3r/marlin but we don't have one running yet that can.

Strength-wise, side force is fine but any vertical force (as drawn) causes the wheels to seperate some - I suggest gluing the two halves together.