eccentricity
Case Studies and Stories
Reducing Costs with ESA and MCA™ Technology
More than 300 million electric motors are used in infrastructure, large buildings, and industry globally. These motors account for about 2/3rds of the industrial power consumption. Electricity is required in almost all areas of the plant to provide the driving force that either operates the equipment that produces the products or provides the services that the plant’s equipment was built to perform..
- Mark Koch
- ALL-TEST Pro, LLC
Two Minute Tips
Troubleshooting a Running Motor
This tip discusses troubleshooting the motor and machine train with the motor still running. The fault zones specific to the physical motor are the stator, rotor and airgap....
- Noah Bethel
- PdMA Corporation
Two Minute Tips
Static Eccentricity Faults Using Electrical Signature Analysis
Static Eccentricity (air gap) is a fault that is created when the rotor is not in the magnetic center of the stator. Static eccentricity can cause an increase in operating current, overheating, energy losses, and overloading of bearings...
- Mark Koch
- ALL-TEST Pro, LLC
Five Minute Facts
Calculating Eccentricity Frequencies
Eccentricity Frequencies, as related to electric motors, simply means that the rotor is not radially or axially centered in the stator magnetic field. This instructional video demonstrates how to calculate these frequencies..
- Don Donofrio
- The Snell Group
White Papers
The Trifecta of Motor Maintenance
Using the same concept of a trifecta (three factors for success), this article provides companies with the winning strategies of motor maintenance, focusing on the three reliability tasks for electric motor testing and the order in which they should be applied.
- Noah Bethel
- PdMA Corporation
Articles
Guidelines for Proper Belt Installation including Sheave Pulley Alignment
Belts are a critical part of the design and function of belt-driven equipment. The majority of belts never reach their intended design life due to improper selection, storage, and installation...
- Trent Phillips
- Novelis
Case Studies and Stories
A Hoist Application in the Mining Industry
A hoist or winder is a mission critical application found in underground mines. The hoist is used either to transport ore to the surface or personnel to or from the mine shaft. There are three types of hoists...
- Tim Sundstrom
- SPM Instrument
Two Minute Tips
Why Do I Need to Use Phase Analysis?
The vibration spectrum can provide a clear indication of certain fault conditions...
- Jason Tranter
- Mobius Institute
Two Minute Tips
Is It Important to Use Wear Particle Analysis?
If your oil analysis includes particle counting and can detect metallic elements...
- Jason Tranter
- Mobius Institute
