Okay, the belts are not the problem, the speed is not the problem, the DOC is not the problem… Nothing is. I produced 9 identical parts, independent of the setting.
The machine also jerks after having cut the first “layer”, resulting in those little “nubs”:
Funnily enough, when I changed from conventional to climb milling, the parts got a mm smaller, also you can clearly see it can cut the dog bones, so it’s got nothing to do with inertia:
So there must be half a mm movement somewhere and I don’t know where. I checked all the screws, tried to wobble the core, but there isn’t any obvious play in it.
Anyone got an idea? Please…