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Make vacuum pre-loaded spherical air bearings without special tools

2019-12-22

[public] 680K views, 20.6K likes, 215 dislikes audio only

A new technique to make graphite air bearings without precision tooling. I show how to make spherical, cylindrical, and flat bearings that are also vacuum pre-loaded, meaning the bearing is captive.

David Preiss' excellent video: https://www.youtube.com/watch?v=vuzoEe_ykmM

10mm thick graphite sheet: https://www.amazon.com/Graphite-Smooth-Polished-Surface-200MMx100MMx10MM/dp/B07S2RDQ6P

2" ball bearing: https://www.amazon.com/Inch-Chrome-Steel-Bearing-Ball/dp/B0074VCP8S

Small 10-32 hose barb fitting: https://www.mcmaster.com/5047k11

Linear bearing shaft: https://www.mcmaster.com/6061k35

Fusion360 CAD files: https://drive.google.com/drive/folders/1fj6zJ9GlZ07WB6jVrltPNsvqsU06qTAP?usp=sharing

12x18 granite surface plate: https://www.amazon.com/gp/product/B01LWBEEH8

Applied Science on Patreon: https://www.patreon.com/AppliedScience


Graphite error bearings
/youtube/video/K_N_h_mKf-4?t=39
What kind of graphite
/youtube/video/K_N_h_mKf-4?t=89
Machining graphite is messy
/youtube/video/K_N_h_mKf-4?t=145
Making a flat air bearing
/youtube/video/K_N_h_mKf-4?t=174
Making a nonflat air bearing
/youtube/video/K_N_h_mKf-4?t=428