Quote Originally Posted by mturneruk View Post
I would of thought if it had slipped, it would of been one side or the other rather than both Y and A.
But are you sure it both screws lost position together.! Did you check.? After you homed the gantry would square back up so unless you checked then won't know without marks.

Quote Originally Posted by mturneruk View Post
Do you think my 1500mm per min feedrate / 4mm depth cut was fairly conservative with a 6mm cutter ?
My cutter is only a straight two flute and it was screaming a little. Might be time to invest in some better cutters.
Unless cutter was Knackerd it should easily handle that feed rate and DOC. What RPM.?