September 25, 2015
Ponce, Puerto Rico
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Reliability Leadership Institute
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Bonita Springs, Florida
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Hyatt Regency Dubai | Dubai, United Arab Emirates
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Hyatt Regency Dubai | Dubai, United Arab Emirates
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Hyatt Regency Dubai | Dubai, United Arab Emirates
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Bonita Springs
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Bonita Springs
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Bonita Springs
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Hi Guys,   The attached coupling element recently failed on an Atlas Copco GA160 compressor. It appears to have 24 "teeth" on the element, would you expect to see an increase in amplitude at 24x run speed.  
 
Hi all, I would like to discuss one case in fan system. This is MV wound rotor . Nameplate speed is 16.33 Hz (980 RPM) . However, in spectrum data indicate peak at first order is 15.25 Hz (~915 RPM) . This is so strange with what I learn about...
 
Check this attachment out and give me your opinion. It may be a dumb question.
 
Hello everyone,   Introduction:  I've been reading the book by Mr. Donald Bently "Fundamentals of Rotating Machinery Diagnostics". Compared to other rotor models, Bently-Muszynska model looks easy to interpret.Especially with the...
 
Dear Experts, We have a MV wound rotor motor, 2900KW, 6600V stator winding, 2700 V rotor winding. This is a cement milling motor in cement plane. Last year, the corrected insulation resistance of Wound Rotor is high, 1000 Mega ohm. But recently, rotor...
 
Hello, Can we drill through & through hole for stud mounting in the motor outboard and onboard because thickness at that location is 4.5mm. In that thickness, it is not possible to get the sensor's face meet the motor body without through hole....
 
It's really not necessary to copy the entire post when replying to a post.  Please just copy the relevant part, the part you want to directly address.  Otherwise, it gets extremely hard to read, especially since this new forum alternates...
 
1st question, do you look at the orbit in acceleration? I'm assuming its not normal to have high axial/across the screen readings. what do the experienced screen orbit analysts make of the orbits and axial spectrums attached. screen orbits arent part...
 
We have a question about the effectiveness of cross channel phase measurement for journal bearing by accelerometer.   I think that this inspection technic is not effective. What do you think about this applied inspection ? Is this the effective...
 
Currently have a customer that is experiencing a firewater leak to the magnitude of 14K gallons of water a day. All the piping has been checked except about 300 feet which is 8 feet underground.   Is there anyone with experience in using an...
 
Dear experts, Please clear my doubt; If any disturbance in rotor dynamics, the vibration reading should reflects both sides of the eddy probe(X,Y) as gap voltage varies, this is what I understand. In some cases, why we experienced high vibration from...
 
Hi guys   I have 02 new same francis turbines with following characteristics: - Max Power 59 MW - Speed 360 rpm - Bearings: 01 guide bearing for turbine, 01 lower guide bearing for generator and 01 upper combiner bearing (guide and...
 
Why notifications are pozted on the forum about birthdays for the members? These are announced on the right side colum under AMP Events. This kind of updates belongs more to Facebook. What do you think? Regards-Ali M. Al-Shurafa
 
Dear members ,   which standard you are following for Thermography Analysis ,Please guide the severity Level for Acceptance and Rejection etc..   Please post the Details about ASTM,ISO,DIN,API standards ..for thermography analysis
 
This is a Centac Air compressor( Mod 2CV25M3E) driven by a 600 HP motor. Any guesses as to what the gear mesh frequency might be? Reading was taken with a 10mV high frequency accelerometer at 12800 lines resolution. I am still trying to find some info...