HackerTube / Video
High precision air bearing CNC lathe and grinder
Dan Gelbart

Dan Gelbart shows his home-built air bearing CNC lathe and grinder, which reaches about 1 micron accuracy. He demonstrates the machine and its parts.
Cited as a marvel of absurd precision in home-built machine tools, and a pointer to Gelbart's other videos.
5 Hacker News mentions · 2019–2025