In balancing, the process of adjusting a machine or device so that it converts the measuring information into unbalance units referred to bearing and/or correction planes of a rotor.
Defined mass in order to calibrate a balancing machine using a special rotor or to calibrate a balancing machine for a certain rotor type.
Point in a rotor with an axial and radial expansion where its inertia effect against linear distortions can be represented by a single point mass.
Design of the interface between rotor components to maintain a certain concentricity.
Machine which generates measuring values for the unbalance caused by the centrifugal forces of a revolving rotor supported by it.
To offset an error or undesired effect.
Unbalance correction at least at two angular positions, when in a balancing plane the correction is restricted to given angular positions.
Industrial balancing services provided by a company on an as-needed basis, either production balancing or rotor unbalance evaluation.
Limitation of the initial unbalance by balancing of individual components, smart design and specific machining and assembly.
Mass changed in a balancing plane, in order to reduce unbalance.
Plane perpendicular to the shaft axis, where unbalance can be corrected.
When change of the unbalance in one plane causes a change in the other plane. This cross-effect is expressed in percentage. The better the plane separation, the smaller the cross-effect.
Type of unbalance that displaces the main principal axis from the shaft axis and intersects the shaft axis at the center of gravity. This type of unbalance may be caused by two unbalances that are equal in amount and are exactly 180 degrees out of phase.
A characteristic speed, at which a resonance occurs with a rotor-bearing-system.