Glossary Balancing Technology

Dummy rotor

Balancing tooling that represents a sub-assembly of a rotor. Therefor the dummy rotor should have the same main geometrical, mass and stiffness properties as the original part.

Dynamic (two-plane) balancing machine

Balancing machine which utilizes centrifugal forces in order to balance a rotor for two planes.

Dynamic unbalance

Condition of unbalance in which the main principal axis is neither parallel to the shaft axis nor does it intersect.