Efficient Plant May 2022 - 23

department | tech horizons
Cultural roadblocks to implementation
41.7%
 Eddy-current testing is an electromagnetic testing method used
in nondestructive testing of conductive materials. It uses electromagnetic
induction to detect and categorize fl aws (on surface and
sub-surface).
Find the technologies that best work for your assets. Organize
16.7%
13.9%
11.5% 11.1%
8.3%
your matrix with categories of assets such as rotating equipment,
material movement, reciprocating, heating & cooling, electrical,
stationary equipment (tanks, pipes, valves), and structural (insulation,
roofs). Th ese categories are not meant to be all inclusive.
Start or enhance your PdM/CBM process to eliminate repeat
asset/component failures. " Find and fi x based on data " to improve
operational performance. EP
Based in Knoxville, Dr. Klaus M. Blache is director of the
Reliability & Maintainability Center at the Univ. of Tennessee,
and a research professor in the College of Engineering.
Contact him at kblache@utk.edu.
22_0860_Efficient_Plant_MAY Mod: March 30, 2022 2:01 PM Print: 04/08/22 10:47:50 AM page 1 v7
These factors will prevent your maintenance teams from
taking full advantage of available predictive technologies.
applicable technology matrix for your key assets. Each of the main
technologies (such as vibration analysis, infrared technology,
ultrasound analysis, motion amplifi cation, motor current signature
analysis, lubricant oil and fuel analysis, and wear-particle analysis),
when done on more assets, all show improvements in cost. In
addition to the standard technologies, there are many others to
consider. Examples include:
 Insulation resistance testing is an electrical test that measures
insulation resistance. Th e measured resistance indicates the condition
of the insulation between two conductive parts. It is used for
electrical systems, electric motors, and generators.
 Polarization index testing is an extension of the insulation
resistance test to measure factors such as moisture and insulation
deterioration and is used for diesel generators, electric motors, and
motors.
 Acoustic emission uses acoustic waves that, when emitted by
solid materials, are evidence of deformation or damage.
 Bearing temperature analysis: Depending on the application,
normal bearing operating temperatures in pumps range from 100
to 180 F, with most running between 140 and 160 F.
MAY 2022
π
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EFFICIENTPLANTMAG.COM | 23
Working with historical
dysfunctional process
(stuck in old culture)
Lack of accountability to
follow the process
Short-term focus
overrides long-term focus
Lack of training/precision
maintenance skills
Benefi ts need to be more
clearly monetized
Lack of understanding of
how it's all related (big
picture)

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Efficient Plant May 2022

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