Magnetic Probe Mount Bltouch, Anet A6

thingiverse

After spending some time with my new "X" carriage, I felt compelled to make several improvements. A surprising decision, I know! Having experienced a few prints come loose from the bed during printing, I was concerned that they could potentially damage (bend) the BLtouch probe tip. To address this concern, I figured a "break-away" probe mount would be a neat feature. I purchased a 10-pack (p/n: DH1H1) of Neodymium magnets from K&J Magnetics. The magnets are .100” Dia. X .100 long and incredibly strong. (The magnets were affordable - shipping wasn't) I used two magnets each for the three probe mount locations (6) and one in each of the "X" cross slide holes. (A total of 9 magnets) The array of magnets securely holds the probe mount while providing the safety feature I was looking for to prevent any damage to the probe tip. The new probe mount has shown no indication of adversely affecting the nozzle-to-bed gap repeatability. (I knew you'd ask) I printed the holes slightly smaller and then used a #40 (0.098”) drill to open them up after printing, which provided an extremely nice press fit for the magnets. On that, I utilized a 6” machinist scale to position and press the magnets above and then into the holes. (This really helped keep the tiny magnets from jumping around and made the inserting process very easy.) Some minor changes to the GT2 belt lock feature were also made, but these were more cosmetic and not a significant issue.