ISO 1940-1:1986

Mechanical vibration — Balance quality requirements of rigid rotors — Part 1: Determination of permissible residual unbalance

Specifies a representation in one or two planes; methods for determining, for allocation to the correction planes; for identifying the state of a rotor by measurement; a summary of errors associated with the identification. Gives recommendations according to type, mass and maximum service speed. Is not intended to serve as acceptance specification for any rotor group.