Reliable Accuracy in CNC Machining Needs a Geometrical Calibration Plan It is a simple reality that any machined part will not be geometrically perfect. Tolerances are allowed, assuming there will be errors due to multiple setups, clamping distortion, flexibility under machining forces, release of internal stresses, hard spots, temperature changes, tool size errors, datum accuracy … Continue reading Geometrical Calibration of CNC Machines