July 11, 2019
For part two of the series, Todd Hatfield will be reviewing the dismantled surplus motor and explaining some of the on-site findings for the 5500HP , 13,200v, Synchronous Motor. In this video segment, you will see: The replacement motor’s shorting ring and it’s unique placement on the motor Data collected on the replacement motor’s stator and rotor …
July 9, 2019
The video below is a segment from an hour long presentation given by Todd Hatfield, Senior Electrical Engineer at HECO – All Systems Go, at the 2018 Reliability, Process, and Maintenance (RPM) Symposium. This is the first of an 8 part article series that will be coming out twice a week over a 4 week …
June 27, 2019
There appears to be a trend happening in industry that needs to be looked at in greater detail and I hope to shed some light on this subject. We are all so quick to repair the motor, pump, gearbox, or fan when a failure occurs; however, we hardly ever spend time looking at what the …
June 13, 2019
There are a few of us “old timers” left around who can remember our first analyzer. It was free, and we thought we could solve anything. It was our very own brain. With the touch of the hand, chunk of broomstick, or long screwdriver, by listening we could solve any issue and predict an impending …
June 5, 2019
It is standard to see the “frame” size on every electric motor nameplate, but do you understand what that frame means in regard to the mounting of the motor? Many have been in the situation where you needed a specific frame only to realize it was made with a special shaft or has a mounting …
May 14, 2019
Are you replacing your failed motor with the best motor for your application and environment? The easy part of replacing your motor is matching the frame size, horsepower, RPM, and voltage, but it may not always be wise to just replace the motor with a motor matching the same enclosure that you have always had. …
May 8, 2019
In recent years, companies have entered the transition from reactive maintenance, to planned maintenance, and into the most efficient method found in predictive maintenance. While the first two methods have dominated in the past, they have been found to be costly, inefficient in time, and sometimes result in over-maintenance of machines. In predictive maintenance, machine …
June 27, 2018
When you start a compare and contrast with Predictive Maintenance and the Internet of Things within the industrial maintenance world; you may have some people scratch their head and say, “are they not the same thing?”. Well, the easy answer is a simple answer of yes and no. Yes, they are both moving towards a …
May 23, 2018
I am often told “I want that motor varnish dipped too”, but is re-dipping a reconditioned motor really good for the motor? Using proper repair practices motors can be reconditioned and repaired many, many times. Putting varnish over varnish continually is not always in the best interest for that motor in the long term. Continually …
March 8, 2018
The below video is a 5 minute segment of a 30 minute long presentation given by Adam Smith, CMRT and Jacob Bell of HECO PSG at the 2017 Reliability, Process, and Maintenance (RPM) Symposium. This presentation discusses the basics of vibration analysis as a predictive maintenance tool. This presentation covers: What is a vibration spectrum? …
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