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Balancing of Mill Rotors

Something interesting: balancing the crusher.

Introduction:
Imbalance in mill rotors can result in accelerated bearing wear and increased energy consumption, both of which are undesirable for efficient milling operations.

Identified Issue:
Upon inspection, a pronounced axial vibration was observed in the mill rotors. Further investigation pinpointed the cause to be a misalignment of the semi-couplings.

Resolution:
To rectify the situation:

  1. Alignment: The misaligned semi-couplings were meticulously realigned to their correct positions.
  2. Balancing: Subsequent to the alignment, the rotors underwent a comprehensive balancing process to ensure smooth operation.

Outcome:
After the realignment and balancing procedures, the vibration issue was completely resolved, allowing the mill to operate at its optimal efficiency.

Conclusion:
The precise balancing and alignment of mill rotors are vital for their optimal functioning. Addressing misalignments and imbalances promptly ensures uninterrupted and efficient milling processes.


Nikolai Shelkovenko

Nikolai Shelkovenko

Nikolai Shelkovenko is a vibration analysis engineer and the founder and CEO of Vibromera. For more than 15 years he has balanced rotating equipment in the field rather than on a test bench: mulchers, industrial fans, crushers, centrifuges, shafts and spindles. That work is what the Balanset instruments grew out of — they were designed as a tool a specialist can carry to the machine and use alone, on site, not as laboratory equipment. Vibromera was founded in 2017 and has been based in Porto, Portugal, since 2023. Development, assembly and support of the Balanset line all happen here. The flagship instrument is the Balanset-1A, a portable analyser for single- and two-plane balancing and for vibration diagnostics. Nikolai is personally involved in customer support, in working through difficult balancing cases and in the development of the software. He works with customers worldwide, in any language.

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