Special key used with balancing which creates the unbalance of the part of the real full key with regard to the shaft or hub (also refer to ISO 21940-32).
Machine used for balancing of rotors at speeds below the critical speed of the system rotor and balancing machine support.
Balancing of flexible rotors at speeds, when the rotor to be balanced cannot be treated as rigid any more.
A balancing machine that measures the unbalance for a horizontal orientation of a rotor's axis.
