Richard
Whenever a bearing fails prematurly the first response is usually a bad batch of bearings or poor machining on the OEM's part. Those two should be the last to consider.
As Mike mentioned you may be hitting a natural frequency or pipe strain etc. In most applications I've seen with...
Dave
I will not mention make and models of turbines because of confidentiality issues with certain customers. This is a very small industry as far as suppliers go. If you are involved in this industry then you will understand. I am monitoring one certain model at one site that goes through...
steeno
I have been doing my own study on wind turbines for a year now. I was originally called in to collect data on several generator bearings on a i.8 meg units. This expanded to gearboxs as soon as I took my first set of readings. I am presently monitoring several sites throughout North...
This is my first question and I apologize if I'm going about this the wrong way. My problem is identifying gear mesh frequencies in a planatary drive. Nothing lines up in my spectrum. Sun Pinion 18t mating with 3 planatary gears with 28t mating with a 75 tooth ring gear. What are the frequencies...