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11

Thermography

One of several techniques for collecting data on the condition of an asset 

remotely determine the temperature of objects


Purpose
The objective is:

Process

Listed below are the key steps in the process:

      A. Before Analysis
  • Determine whether to purchase equipment (cameras and software) or engage contractor
  • Train staff, as required
  • Schedule and execute the analysis
      B. During Analysis
  • The process of monitoring the condition of equipment through the measurement and analysis of heat.  
  • Analyze the results
  • Grade the results
      C. After Analysis
  • Report to stakeholders
  • Make decisions
  • Determine CAPA's, if any
  • Determine next assessment interval


Condition Grades
Listed below are the condition grades for this technology
  • Not applicable
  • failing rolling element bearings and over- and under-lubrication conditions. ultrasonic analysis as an effective and efficient way to monitor bearings at slower speeds.Signal detected

Candidate Assets
Listed below are some of the candidate assets for IR thermography:

      Mechanical Assets

  • Furnace refractories
  • Boilers
      Electrical Assets
  • High voltage insulators
  • Electrical connections
  • Panelboards and switchgear
  • Electric motors
  • Generators
     Other Assets
  • Roofs
  • Windows and facades


Attributes
Listed below are some of the key attributes of ferrography that should be taken into consideration when integrating this into the overall asset management program:

The different applications of thermographic scans to various assets
Fig. Some of the different applications of thermographic scans to various assets.


Thermography as one of the predictive maintenance (pdM) technologies along the P-F Curve in relation to Potential Failure (P) and Functional Failure (F)
Fig. Thermography as one of the predictive maintenance (PdM) technologies along the P-F Curve in relation to Potential Failure (P) and Functional Failure (F).


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See also:
Compare with:
Major maintenance tasks mapped to the P-F Curve
Fig.  Different types of maintenance activities at various life stages of an asset with thermography typically commissioned during the later stages.

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