That makes sense, thank you!
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Not knowing anything more about the design, I would likely assume them to be high load. But I get the feeling youâre about to bust out a cool implementation of bushings on your climbing mechanism.
Sir, this is a robotics team?
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Yes, you would describe them as a fluid film bearing. They touch during startup and shut down, so youâve really got to watch all the metallurgy. Also, they need to wear in just a tad to get the micron level clearances you need. The oil-impregnated bronze bearings also form a fluid film, just not as good as a pumped bearing.
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Our ball elevator used thrifty bushings for almost all of our thunderhex shafts. And we also used them for our 4 bar intake for the pivots that allow it to move. (Not motor driven shaft)
We have been very very happy with how simple and well they worked. We probably saved over 1lb by using them strategically in our design.
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How did you know?!
Hereâs where Cory is talking about:
My understanding is bushings are great for high loads because of the large surface area however thunderhex limits said area to 3 blunt points soooâŚ
This is an issue even with the bearing except the 3 blunt points arenât sliding
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