Page 263 - Machinery Component Maintenance
P. 263
Balancing of Machinery Components 245
Principal
Inertia Axis Shaft Axis
Figure 6-4. Couple unbalance.
Center of Gravity
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Figure 6-4A. Discs of Figure 6-3C, realigned to cancel static unbalance, now have couple
unbalance.
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.
Figure 6-48. Couple unbalance in outboard rotor component.
