What type of unbalance requires the use of a computer for correction?

Dynamic unbalance refers to a condition where the center of mass of a rotating object is not aligned with its axis of rotation. This misalignment causes the object to experience vibrations during operation, which can lead to excessive wear and tear on machinery and can create unsafe operating conditions.

To correct dynamic unbalance, it often requires precise measurements of the vibrations and the forces acting on the rotating component. This is where a computer comes into play. Advanced vibration analysis software and diagnostic tools analyze the vibration patterns and calculate the necessary corrections to bring the component back into balance. This process often involves determining the exact location and amount of mass that needs to be added or removed from the rotor for optimal balance, which is much more complex than addressing static unbalance.

Static unbalance, on the other hand, can typically be corrected through simpler methods that do not require computer analysis, such as adding weights directly opposite the center of gravity. Shadow and conventional unbalance approaches are also more straightforward compared to the sophisticated techniques needed for dynamic unbalance correction. Therefore, the use of a computer becomes essential in accurately diagnosing and correcting dynamic unbalance effectively.