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The Association of Asset Management Professionals or as we like to call it AMP (formerly the Association for Maintenance Professionals) has a mission to create a new era for the practice of maintenance reliability in the context of asset management for organizations to enhance the delivery for the triple bottom line of economic prosperity, environmental sustainability and social responsibility.

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Recent Topics

20 yrs on internet

OLI
We celebrate 20 years on internet, here is the archived proof by waybackmachine the internet archiver... Both Eng and Swe versions. I remember making that with the beutiful yellow backdrop color... placed on the Apple server of a maintenance paper... http://web.archive.org/web/19990912234106/http://www.vtab.se:80/index_e.htmRead More...

Frame structure natural frequency

Dear all I am looking for safety margin of opearating frequency of machin compare to natural frequency of its frame structure ? As you know we have been many exciting frequency in machin such as gear mesh, blade pass ,.. Which of should be consider for frame structure design ?all of them or only operating frequency Best regardsRead More...
Last Reply By aziz58 · First Unread Post

bearing smearing?

this bearing came out of a belt drive toyo pump. vibrations were showing BSF with sidebands of FTF, gSE spectrum shows it the best. I was hesitant to make the call for this reason since it wasn't showing to much in the velocity spectrums. not sure if it was to early to make the call or not? would this be an example of bearing skewing or smearing?Read More...
Last Reply By bfran21 · First Unread Post

High Gravitational Envelope (gE value) in motor bearing

It is a 4 pole 2.5 MW motor. The vibration of motor is not very high (some high frequency peaks were observed). In acceleration spectrum , BPFO harmoics are observed , however no change in bearing temperature or current. In spectrum also peaks present at BPFO. The images are attached. Any suggestions for the problem?Read More...
Last Reply By Soumya Mishra · First Unread Post

HIGH VIBRATION IN GAS TURBINE

Hello experts The reason for this post is to know your opinion about the trend and the spectra collected in an MS 5001 gas turbine, I would like to know your opinion and to what condition or fault the graphics can relate. In this inspection only those graphics were obtained, the machine does not have a key phasor to know the phase, but even so I consider that a good diagnosis can be made. in my experience, the condition present in the turbine is attributed to an imbalance and thermal...Read More...
Last Reply By carlos msr · First Unread Post

type of bearing failure.

this bearing came out of a belt drive toyo pump. vibrations were showing BSF with sidebands of FTF, gSE spectrum shows it the best. I was hesitant to make the call for this reason since it wasn't showing to much in the velocity spectrums. not sure if it was to early to make the call or not? would this be an example of bearing skewing or smearing?Read More...
Last Reply By aziz58 · First Unread Post
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