Two Minute Tips
Concepts of Balancing – Rotational Unbalance
Rotational unbalance occurs when there is an uneven distribution of mass around an axis of rotation. This quick tip will explain the possible causes of unbalance…
- Tim Sorensen
- ACOEM
Location, Location, Location
When performing a Power Test, there are many parameters to consider. With proper loading, current imbalance is an ideal leading indicator...
- Noah Bethel
- PdMA Corporation
Limits and Trends
In this quick tip you will learn how factors could influence the validity of wear limits, which can include...
- John Evans
- WearCheck
Mechanical Looseness on a Spectrum
There are three types of mechanical looseness. In this quick tip, we will take a look at all three and what the causes are...
- Brian Shanovich
- ACOEM
What Is the Particle Quantification Index (PQI)?
The analysis of contaminants, wear metals and additives in used oil paints an accurate picture of the condition of the oil and the machinery that it lubricates…
- John Evans
- WearCheck
Graphical Filtering
This two minute tip discusses the function of graphical filtering, which is very helpful and identifies how to avoid false alarms…
- Håkan Hedlund
- SPM Instrument AB
Journal Bearings: Oil Whip and Oil Whirl
Oil Whirl is an oil film-excited vibration; deviations and operating conditions cause a oil wedge to "push" the shaft…
- Brian Shanovich
- ACOEM
How to See Vibration
What is displayed in our software/instrument is a digital version of a…
- Dennis Swanepoel
- WearCheck
Will the Reinforced Grill Affect Measurement?
You are correct when you state that the grill will affect your measurements...
- Martin Robinson
- IRISS Inc.