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Thanks all for your valuable comments and suggestions. Very much Appreciated. Now I have understanding, which motors need balancing and which can be skipped and not affecting the reliability. Best regards,

Thanks electricpete; Our workshop is within plant and we do services of in-house motors repair for the plant. Please confirm, if we have removed the rotor from the housing and done cleaning of windings and other important electrical checks and only replaced bearings, do we need to do rotor...

Thanks Edison123 for your reply. From your post, I infer that every time a motor is brought to workshop for maintenance (Bearing replacement or rewinding) it should be balanced? I have been reading other posts related to this matter and few of the experts suggested that, when only bearings...

Dear Experts; I have a question regarding best practice of Motors overhauling. Do we require to balance the Motor rotor during every overhaul, when only bearings are replaced due to high vibration. Or is it only required when re-winding or some work is done on rotor? The reason is that we are...

Dear All; Kindly inform what is the acceptable Gauss value (Magnetism in G values) of different components of Turbomachinery. This includes Bearings, Rotor Journals, Couplings, Rotor Blades, Casings. What I have studied is max allowable Gauss reading at Bearings (Journal and Thrust) and Shaft...

Thanks Waross for your reply. I also have fear that we may induce further magnetism in the zone and nearby areas. Do you have experience of using C core with low frequency AC for localized degaussing? Best regards, Faisal

Dear Experts; I have seen and experienced that for demagnetization of Steam turbine or Compressor Rotor journal areas, complete rotor need to be removed from Casing (Turbine / Compressor) and best practice is to hang it, using overhead crane, to avoid its contact with ground. Is is also possible...

Dear Experts; I have seen and experienced that for demagnetization of Rotor journal areas, complete rotor need to be removed from Casing (Turbine / Compressor) and best practice is to hang it, using overhead crane, to avoid its contact with ground. Is is also possible to do localized...