Providing solutions to rotating machinery vibration problems

IRD Mechanalysis operates a National and International Consulting Service specialising in reducing the undesirable effects of excessive vibration and noise of rotating machinery.

Requests for services are undertaken on receipt of a Purchase Order. If the client is in ‘good standing’ then a Consulting Service Engineer will be on site at the earliest opportunity.

The IRD Mechanalysis Engineer will assess the plant problem and consider a range of issues: the plant history, operational and process changes, recent maintenance and the installation as a whole. Once the initial audit has been completed he will initially take overall vibration readings on all the accessible bearing points of the machine in appropriate units – ( Displacement / Velocity / Acceleration / Spike Energy ) in three directions, namely, horizontal, vertical and axial direction. If the measured vibration level outside acceptable limits, as per ISO 2372 or as per manufacturers standards, then a detailed analysis will be undertaken. Vibration signatures (Amplitude Vs Frequency plots) will be collected to pinpoint the exact cause of the vibration. Defects such as unbalance, misalignment, bearing problems, resonances, foundation faults, etc. are the more common findings.

The analysis will be carried out using state of the art FFT analysers cum in-situ dynamic balancing instruments.

Before leaving the Plant Site the IRD Mechanalysis Consulting Engineer will submit an ‘on-site report’ summarising the priority issues and any remedial action to be taken. This will be ‘signed-off’ as having received it by the Plant Engineer concerned. Within 10 days of returning to the office, a more detailed report of the complete consulting service undertaken will be submitted along with the invoice of charges and expenses.