My second hand CNC3040 machine is broken in very creative ways. In this episode, I find out whether straight or bent bearing shafts are better, and I do some precision grinding on a bearing block.
More details on my Hackaday.io site: https://hackaday.io/project/191869-re...
00:00 Intro
00:46 Does a bent shaft cause problems?
03:08 Measuring flexing of shafts under load
04:32 Bending shafts and the leadscrew
06:31 Honing the X-axis bearing block
10:00 Outro