Quote:
Originally Posted by Oblarg
This does not offset the fact that by far the single largest source of mechanical failures I have witnessed on our robots, both directly and indirectly, has been 80/20 construction. I have not seen those same mistakes made with tube/gusset construction, simply because the modes of failure I've seen most often are simply not possible with tube/gusset construction.
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Can you describe these mechanical failures that were caused by using 80/20?
Quote:
Originally Posted by MichaelBick
How is it possible to make more mistakes with 8020 if you build in a very similar way, however without gussets?
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I'd assume it'd be due to parts shifting in the T-slot profile. However if you simply drill through the 80/20 after positioning it using the T-slot then the problem is resolved.