[iancmceachern]

Great idea,, it already exists: https://en.m.wikipedia.org/wiki/CNC_machine_tool_monitoring_...

[dogma1138]

I would assume it does especially on 6-7 figure machines but I think even with basic microphones this might be a good application for ML at the small shop and hobbyist levels and I haven’t seen that yet.

[jononor]

Anyone know of reasonably priced acoustic emission sensors? Even on AliExpress I could only find transducers that start around 500 USD. Would love something closer to 50...

[iancmceachern]

I'm not sure these are "reasonably priced" but these have been my favorite product in this are: https://endaq.com/collections/endaq-shock-recorders-vibratio...