Rotor Dynamic Two-Plane Balancing Calculator

Solve cross-plane influence coefficients (α11, α12, α21, α22) and compute exact polar correction weights and angles for coupled dynamic rotor balancing.

Initial Vibration (Run 0 - As Found)

Plane 1 Initial Amp V10 (mils or mm/s):

Plane 1 Initial Phase θ10 (° lag):

Plane 2 Initial Amp V20 (mils or mm/s):

Plane 2 Initial Phase θ20 (° lag):

Trial Run 1 (Trial Mass on Plane 1 Only)

Trial Mass 1 W_t1 (grams):

Trial 1 Angle θ_t1 (°):

V11:

θ11 (°):

V21:

θ21 (°):

Trial Run 2 (Trial Mass on Plane 2 Only)

Trial Mass 2 W_t2 (grams):

Trial 2 Angle θ_t2 (°):

V12:

θ12 (°):

V22:

θ22 (°):

Calculated Correction Weights (Remove Trial Weights)

Plane 1 Correction Weight:

—

at — °

Plane 2 Correction Weight:

—

at — °

Influence Coefficients (Sensitivity)

Direct α11 (Plane 1):

—

Cross α12 (P2 onto P1):

—

Cross α21 (P1 onto P2):

—

Direct α22 (Plane 2):

—

Cross-Effect Coupling Severity:

—

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