THE VIDEO SHELF · precision machining
High precision air bearing CNC lathe and grinder
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.
Why HN readers recommended it
Cited as a marvel of absurd precision in home-built machine tools, and a pointer to Gelbart's other videos.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- Dan Gelbart
- Topic
- precision machining
- Format
- demo
- Level
- advanced
- HN recommenders in dataset
- 2
- HN mentions in dataset
- 5
- Recommendation years in dataset
- 2019–2025
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
It's interesting to get more precise and accurate machines out of the ones came before. These days, if you want to get milling and grinding down to 1 micron without lapping using only your own expertise and some parts from eBay (air bearings and precision-ground …
paypalcust83 on Hacker News · 2020-04
In Hand Scraping a Truly Flat Plane (1908) [pdf]If you enjoy absurd precision and accuracy, have a look at Dan Gelbart's older videos where he fabricobbles together a custom milling machine and grinder with air bearings that can work parts down to 1 micron. No lapping needed. [VIDEO] PS: More power to the …
hi-v-rocknroll on Hacker News · 2024-04
In My Homemade Metal Lathe Project
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.