Hadley bearing interface with PTFE (Metric)
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Hadley bearing rings for use with wooden stand. use PTFE tubes as interface to reduce stiction
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- Printables
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- Physics & Astronomy
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- Creative Commons — Attribution — Noncommercial — Share Alike
To reduce the altitude bearing stiction of my Hadley telescope, I created these bearing rings that use PTFE tubes as an interface material.
The reduced stiction will require a well balanced telescope and possibly a spring to put more pressure on the bearing.
Built around standard 4mm OD, 2mm ID (4x2) PTFE tubes. These are cut to ~17mm length.
The Tube holders are fastened to the insides of the bearing interfaces.
My print settings:
PLA
4 walls, 20% infill
(PTFE_holder has to be printed on side, using standard supports to ensure strength of rod)
Hardware:
4 - M4 nuts (+1/side for spring)
4 - M4x12 bolts (min length)
Enjoy!