I‘ve now twice had jobs fail because the machine skipped steps. This was partially also because of my CAM I think (it was removing material more aggressive than wanted, because a previous process left more than I thought). But also my X and Y motors are older stepper motors from an old 3d printer with a holding torque of 66.66 oz-in. I know the ones sold in the v1 shop are 76ox-in. And I also found some that even have 92oz-in. Would these stronger motors be beneficial or not really worth it? My feeling is that right now the motors are the „weakest link“ in terms of how aggressive I can mill.
I have the motors wired with one driver per motor. I don‘t think the skipping issue is from overheating drivers, because on the second job I had it running for a while after until I noticed the skipped steps and all parts afterwords worked perfectly fine. Just… shifted.