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Case Studies and Stories
  • Vibration Analysis

Rotor Bar Fault Maintenance Issue: Vibration Sensor Alert

A 398 KW MV motor that runs a blower fan in a cement plant was showing strange behavior. The vibration equipment indicated vibration amplitudes that became chronic with the passage of time. The maintenance team, not knowing what the issue was, ran the motor until the bearings had to be replaced...

Two Minute Tips
  • Condition Monitoring Management

Possible Analytical Methods for Condition-Based Monitoring

The analysis of machine states in CBM can be accomplished using various methods. The probably most common methods are analysis in the time domain, analysis in the frequency domain, and a mix of the two. This tip reviews high level methods for using each of these approaches to determining machine health.

Two Minute Tips
  • Motor Testing

Rotor Bar Analysis using Electrical Signature Analysis

Broken or fractured rotor bars are found as elevated Pole Pass Frequency (PPF) sidebands of line fre- quency (LF). PPF is calculated using the synchronous speed minus the running speed times the number of poles..

Interviews
  • Motor Testing

Electrical Signature Analysis

Growing part of industry including the clean energy sector relies upon electrical signature analysis to identify conditions through the power and powertrain..

Interviews
  • Condition Monitoring Management

How To Make Your Condition Based Maintenance Program Successful

Scott shares his knowledge on Condition Based Maintenance Programs, in his experience he has observed successful and not so successful programs. Scott dives into the do's and don't to achieve a successful program in your facility...

  • Scott Buker
  • Gestamp Chattanooga 2
Two Minute Tips
  • Motor Testing

Trend Is Your Friend

Troubleshooting a motor without historical data to reference for a change in baseline, or a gradual trend up or down can be a difficult task. Troubleshooting a motor without historical data to reference for a change in baseline, or a gradual trend up or down can be a difficult task..

Nine Minutes of Knowledge
  • Thermography

Nine Steps to Setting Up an Infrared Inspection Program

Infrared inspections are now a matter of routine for many commercial and industrial facilities. By proactively addressing incipient or latent failures detected during a single inspection, facility managers are able to avoid costs associated with unscheduled downtime and damage to electrical and mechanical equipment. Even greater savings can be achieved through...

Two Minute Tips
  • Condition Monitoring Management

How To Easily Visualize The Quality Vibration Data

Wherever you run the predictive maintenance program, whether in a chemical plant or in a hospital facility, there may always be tons of data filling into the databases. Therefore, it is important to visualize the quality data for the analyst in order to make the correct evaluations..

  • Datong Li
  • SPM Instrument AB
Case Studies and Stories
  • Lubrication

Detecting Lack of Lubrication with Wireless Vibration Sensors

Why wireless sensor Fmax is Critical. Lack of lubrication is a major cause of bearing damage & bearing failure. Therefore, it is critical for vibration sensors to be able to detect the higher frequency vibration resulting from lack of lubrication, which is generally far above 1kHz..

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