Turret Design

Do you have any details on how the turret was designed?

How (if at all) did you account for thrust loads in this design? From the picture, I’m not seeing anything like a thrust bearing or more roller bearings mounted perpendicular.

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Because the turret was vertical, most of the load was applied radially to the bearings. The only thrust loads would have been dynamic loading, or related to how far out the arm was cantilevered.

There would be constant cantilever due to the turret being vertical though, correct? So all of the weight of the arm would be applied in thrust.

The two r4 bearings making up the “bread” of the bearing sandwich accounted for the thrust loads. On the actual turret there were 10 sets of bearing sandwiches and we never had any issues with it throughout the season. Very little to no play in the turret.

Correct me if I’m wrong, but it seems like the thrust load would cause constant scraping on the bearings.

They roll a tiny bit, but yes, for the most part they are sliding along the main plate.

Check out our photos page: https://www.flickr.com/photos/teamthrust1501/sets/72157663246998214/
You should find allot of pictures of how the robot design was developed.

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