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Rotor Mass Vibration (RMV) leads to an unbalanced distributed mass in the fan rotor. There are several reasons why this occurs, however by far the major reason for this occurrence is due to an uneven material accumulation on the fan rotor and blades. Large chunks of material which then break off and causing sudden and excessive vibration can compound the problem.

Correcting this unbalance in fans requires the removal of particulate build up from the rotor and blades. In the past this action required the fan to be stopped thus creating an unscheduled outage which can be very costly both in terms of additional maintenance and lost production.

Preventing the particulate from building up on the rotor and blades in the first place surely must be the best common sense approach. Primasonics® Acoustic Cleaners can provide this solution by utilizing powerful sonic sound waves which cause the particles to debond and be carried away in the gas stream.

The appropriate model of sonic horn is housed within a mounting tube and installed usually at either the 10 o'clock or 2 o'clock position as can be seen from the two photographs. The acoustic cleaner is then operated intermittently using a simple timer and solenoid valve or connected to vibration sensors and sounded as part of a Monitored Preventative Maintenance (MPM) system.

A Highly Effective – Low Cost Solution!

If you would like us to quote for a solution for your Fan cleaning requirements please do not hesitate to contact us.