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Shaft Distortion and Electric Motors

Although shaft distortion due to misalignment affects more than just the electric motor, here are a few things that are a telltale signs you may have an alignment issue. In a perfectly straight shaft, the centers of each shaft cross-section from end-to-end of the shaft lie on a straight line. A shaft is bent if…

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Low Cost Thermal Diagnoses Misalignment Machinery Health

With the availability and decreasing prices of technology to help diagnose rotating machinery health, machine failure should be a diminishing concern. Thermal imaging cameras can be expensive; however, these cameras have very detailed diagnostic abilities and high resolution. Reduced cost Thermal Imaging has recently become available through various sources. I recently purchased an infrared camera…

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MACHINERY VIBRATION PROBLEMS – PART 4 BEARINGS

  In industrial machinery, the centerpiece of vibration analysis is the ability to detect bearing problems BEFORE the bearing fails.  Even more beneficial is detecting the root cause of a bearing problem before damage is done. The bearing really is the heart of the rotating machine.  There’s a plethora of bearing types and designs. There…

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The Three T’s

I have been in industrial maintenance longer than I have not. A portion of that time was spent in Maintenance Management. One lesson I learned was, that in order for a team leader (or company as a whole) to be successful, the entire team needs to be successful. I tend to simplify things, maybe to…

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What about the other 75-80% of your rotating machinery?

In today’s lean manufacturing, RCM (Reliability Centered Maintenance) is becoming more prevalent. Condition Monitoring is a big part of RCM. However, continuous monitoring is typically only done on “critical” equipment which amounts to approximately 20-25% of the equipment. The other 75-80% might get picked up during vibration rounds, which will then have to be analyzed,…

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