Good Grief! More smashed Z switches

[StephenCook]

use the spot where the screw hole is and put a fastener in there. I did and now the system cannot smash the switch. Even if I tell it to go past it.
See my post about it here:

Smashed Z limit switch

As some of you know the moving the z axis past its actual hard limit destroys the limit switch. Recently when looking for an idea to prevent this I noticed a small threaded hole on the top plate that hold the bearing and motor. Shown here below. [image] Now I used a bolt I had handy. Later I am going to replace it. This bolt hole is just over the bracket that moves the Z axis and will act as a stop to prevent the Z axis switch from getting crunched. I am not sure if this was a design intent …