February 21, 2020
Just because your rotating equipment has started vibrating doesn’t automatically mean it needs to be balanced. There are several other issues that may be at work, and a thorough vibration analysis can reveal the true source of the problem. The 80-20 Rule for Balance Issues Your fan is vibrating and the natural assumption you make …
October 30, 2019
Industrial vibration analysis is a measurement tool used to identify, predict, and prevent failures in rotating machinery. When analyzing machine frequency vibrations, (frequency analysis) it is normal to find a number of important frequencies that are directly related to the movement of various parts of the machine. Vibration may influence the durability and reliability of …
September 10, 2019
A philosophy of our company has always been to help whenever we can. We have the resources, experience, and mindset to bring solutions to our customers on almost every motor related issue. Often times we are asked to bring solutions and answer questions to problems in breakdown situations without all of the facts. These breakdown …
July 31, 2019
In the final post in this 8 part case study series, you will see Todd Hatfield explain the final assembly of the 5500HP, 13,200v, synchronous motor in the clip below from a presentation given at the 2018 RPM Symposium. The presentation below covers: Assembling the rotor to the adapter base with the stator Using the steel plate …
July 29, 2019
For part 7 of this series, Todd Hatfield will be explaining the process of creating the adapter base in the 2 videos below. Video one explains the engineering of the adapter base design, while the second video explains the process of mounting the stator to the adapter base. Video 1 describes: Creating a CAD drawing …
July 25, 2019
Below is a 2 minute clip of an hour long presentation given by Todd Hatfield during the 2018 RPM Symposium. Part 6 of this 8 part series focuses on the redesign and rewind of the stator for the 5500HP, 13,200v, synchronous motor. This video will describe: The new engineered stator winding design and CAD drawing Using …
July 23, 2019
In part 5 of this case study, Todd Hatfield will be reviewing the electrical design of the rotor. Below is a short 3 minute video showing the steps involved in creating the new coils for this 5500HP, 13,200v, Synchronous Motor’s Rotor. The video below will discuss: The decision to keep the coil design and duplicate it or …
July 17, 2019
Below is a 10 minute segment from an hour long presentation given by Todd Hatfield. In this clip, Todd Hatfield will go over the mechanical design of the shaft and rotor and how HECO assembled it all together. The presentation below discusses: Design assessment to see how to fit a larger shaft in the rotor …
July 15, 2019
In part 3 of this case study, Todd Hatfield will be discussing how HECO re-engineered the electrical and mechanical design of the surplus motor to match the 5500HP, 13,200v original motor. This 13 minute presentation will go over: On-site laser measurements using FARO technology Determining challenges such as How the spare motor would fit into …
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 …
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