Vibration and alignment — reading a spectrum and getting the shaft straight
Why 1X usually means unbalance and 2X usually means misalignment, what a proximity probe sees that a casing accelerometer cannot, why hot alignment differs from cold, what resonance does to an otherwise healthy machine, and why a coast-down tells you something a steady run never will.
Rotating EquipmentIntermediateISO 10816ISO 20816+2