Giglio Freeman Associates,  LLC


Tel: +1.732.766.2566; +1.910.200.3566

serving our customers worldwide             

What's On Your Shaft?

When to take a measurement

How to get valid data

What is the information telling you 

Recognize any of the traces to the left?  Do you know when to take a measurement? Do you know how to get valid data?  Do you know what the information is telling you? 

 With years of taking and evaluating this information, GFAs brings to our clients the peace of mind that they are hiring  qualified, experienced engineers.

When to take a measurement: We recommend a good clean baseline measurement BEFORE you experience any trouble.  A measurement at the initial start up of a machine, or after running trouble free for a month is suggested. When experiencing any vibration, temperature or damage issues, a measurement is imperative for root cause analysis.

​How to get valid data: Getting the right data is just as important as when you take them. Taking the traces to the left is not as easy as sticking a scope on a rotating shaft.  When done correctly, the information gathered provides our clients with invaluable insight on what is occurring and how to proceed.

What is the information telling you: ​The other half of collecting important information is what to do with it.  We can analyze data and recommend any necessary course of action.  We work with different brush manufacturers and will suggest a brush best suited to your particular need. All measurements, traces, photos and recommendations are documented in a clearly written report and presented to our clients for future reference.

  • Typically non-invasive and less than 2 hours to achieve
  • No shutdown
  • No loss of productivity


 We have experience measuring:

  • Hydro generators
  • Generators
  • Turbines
  • Reactor Coolant Pumps
  • Electric motors
  • Compressors
  • Steam turbines
  • Vertical Machining Centers
  • Feedwater pumps
  • Windmills
  • Exhaust Blower fans

Problems can’t be solved without good data, let us GET the data and let us ANALYZE the data for you.