Z Probe Micro Switch Shoot Out! How Accurate Are They For 3D Printing? + Hall Probe testing
So how accurate are those little buggers? lets find out!
Also note that i did not do a “contact contact” test in the video ( I forgot)
So the results for contact to contact were:
Total Deviation From Mean: 1.24 um
Total max / min : 3 um
This is the lowest ( best) of everything tested.
This basically means that my delta in its current state has a resolution of about 3um +/- 1.5um for the Z access. That’s not to bad that’s .003mm!
so this will need to be understood when looking at all the other data.
Thanks for watching!!
Tom’s video / page:
Original Z Hall probe.
my edited Version of the hall probe from sainsmart:
I use this hall sensor, its cheep and reliable.
For my hall probe set up i use a rod from a CD/DVD player / Rom, they seem to be all the same size.
The magnets are 3/16″ cube.
here is all the data i generated from theses test:
Some old footage of me showing the z probe
watch me build this printer the RWG-OSD-CNC:
my other 3d printing research: