Dynamic Balancing
Dynamic balancing is the correction of rotating mass distribution so vibration caused by imbalance is reduced during operation.
What this term means in maintenance
Dynamic balancing is the correction of rotating mass distribution so vibration caused by imbalance is reduced during operation.
Where balancing is used
Examples include:
- Fans
- Rotors
- Impellers
- Blowers
- Turbines
- Grinding wheels
- Centrifuges
Practical example
Correction weights are added to a fan rotor after vibration and phase measurements identify imbalance.
Static and dynamic balance
Static balance addresses one-plane imbalance.
Dynamic balance may require correction in two or more planes.
Preparation
Before balancing, inspect for looseness, damage, buildup, misalignment, and resonance.
Common mistake
Balancing a damaged or loose rotor may temporarily reduce vibration without correcting the actual defect.
Related concepts
Related maintenance terms
Keep exploring connected CMMS, reliability, and maintenance planning terms.
Vibration Analysis
Vibration analysis is the measurement and interpretation of machine vibration to detect conditions such as imbalance, misalignment, looseness, resonance, and bearing damage.
Mechanical Looseness
Mechanical looseness is excessive movement caused by inadequate fastening, worn fits, structural weakness, clearance, or poor support.
Rotating Equipment
Rotating equipment is machinery containing components that rotate to transfer energy, move material, or perform mechanical work.
Dynamic Balancing FAQs
- What is dynamic balancing?
Correction of rotating mass distribution to reduce imbalance vibration.
- What equipment is balanced?
Fans, rotors, impellers, turbines, blowers, and centrifuges.
- Should every vibration problem be balanced?
No. Looseness, damage, misalignment, buildup, and resonance should be checked first.