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epfl-cs358 / 2024sp-robopong

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Print a new belt attachement system #28

Closed cgrant0 closed 5 months ago

cgrant0 commented 5 months ago

Belt attachment system was designed to use notches, based on a reference piece from Prusa 3D printers. However, actually printing the notches does not work with basic 3D printers here, as nozzle width is too high. Too keep simplicity, notches need to be removed and part re-printed.

cgrant0 commented 5 months ago

Redesigned and printed the belt-securing piece without notches / fingers. The hold is good enough at lower speeds but may not hold up at high-tension and high-speeds. It is possible to pull the belt out, just requires a lot of force. Testing in SPOT revealed that a rad/s of up to 25 worked fine. However, new design needs to be made that allows us to properly tension the belt. Currently, it is very difficult to get the proper belt tension as both ends of the belt need to be inserted prior to mounting inside the box.

Moving forward: new design that uses nuts/bolts to pinch the belt. Make new issue.

cgrant0 commented 4 months ago

Printed:

Image

Next steps: test tightness / fit with system