Balancing Out the Root Cause

June 27, 2011

June/July 2011 • UPTIME Analyzing only vibration response spectra is difficult since they often don’t clearly match wall chart and textbook examples. As anyone who has practiced vibration analysis knows, vibration signatures obtained on routes are often far from the wall chart examples. The reason for this is that the vibration signatures collected and analyzed represent […]






Comments Off on Balancing Out the Root Cause

Reliable Shock Pulse Evaluation of Anti-Friction Bearing Condition

June 23, 2011

June 2011 • PUMPS & SYSTEMS Ensure proper bearing assessment and maintenance with this proven method Of the methods used to assess the operating condition of rolling element bearings, one of the most successful and popular techniques is that of Shock Pulse evaluation. Shock Pulses are a special type of vibration that can be clearly distinguished […]






Comments Off on Reliable Shock Pulse Evaluation of Anti-Friction Bearing Condition

Accuracy, Resolution and other matters…

June 20, 2011

Have you ever been forced to check for soft foot when your brackets were less than 10 inches apart and the MTBM’s supports were several feet distant? If you answer yes to that question or if you have ever made foot corrections under similar circumstances, then resolution matters to you. Resolution: The smallest detectable increment […]






Comments Off on Accuracy, Resolution and other matters…

Do you use band alarms for vibration data analysis and trending?

June 15, 2011

Do you use band alarms for vibration data analysis and trending?  If not, then you should consider this very valuable analysis tool. Some vibration software and vibration data collectors allow the use of frequency bands to help the analyst measure and identify specific equipment faults.  These frequency bands are actually measured in the vibration data […]






Comments Off on Do you use band alarms for vibration data analysis and trending?

Rim & Face, Reverse Indicator and Offset & Direct Angle. What is Best?

June 13, 2011

This question is of importance because there are now a number of alignment systems on the market, using different methods. To answer, ask yourself the question: What do I want to accomplish? You want to bring offset and angularity within tolerance. Rim & Face measures the offset through the RIM reading and measures the angularity […]






Comments Off on Rim & Face, Reverse Indicator and Offset & Direct Angle. What is Best?