metal_am

10 ms·

1. 91.▲
   by metal_am 5y ago

   You can buy ball screws somewhat cheaply direct from China. That'd be the way to go.
2. 92.▲
   by metal_am 5y ago

   This. Rotary and linear encoders exist are are exponentially more accurate. Using cameras just overcomplicates things for worse results.
3. 93.▲
   by metal_am 5y ago

   For anything CNC, there's no substitution for stiffness. And you're not going to get that with aluminum extrusions. Something like the PrintNC would be 1,000 times more capable due to using steel.
4. 94.▲
   by metal_am 5y ago

   The worry is much bigger exhaled droplets that carry the virus, not individual virus particles.