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Oil Analysis Costs Too Much
By
Brett Winberg
"Why oil sample?..
it costs too much!" After some debate about the
advantages of what can be achieved by oil analysis,
most end users of oil analysis determine that a few dollars spent towards
maintenance and condition monitoring is much better
than a downtime problem that could cost thousands.
That's
not really all that uncommon in today's safeguarding
environments, however the challenge is getting timely
oil analysis implemented
and adopted by everyone
on the maintenance team.
There are many types of oil analysis tests that can
be run to help determine "Root Cause Failure"
of your equipment. It all depends on what type of "maintenance
concept" you are trying to achieve for your organization.
Basically, there are four types of maintenance concepts
that most of us use:
-
Unplanned
Maintenance:
a. Very high maintenance cost
b. Short component life
c. No time for failure analysis
-
Preventive Maintenance:
a. Moderately high maintenance cost
b. Over and under maintained equipment
c. Short component life
-
Predictive Maintenance:
a. Reduced maintenance cost
b. Increase production
c. Increased component life
-
Proactive Maintenance:
a. Root cause analysis guides your maintenance action.
b. Reduces the number of breakdowns
c. Tending to develop unique component history
The
main reason for performing oil analysis testing is to
improve the quality of equipment and machinery maintenance
decisions. Without this data, we run in the "Unplanned
Maintenance" zone and spend more money repairing
machinery and equipment that usually could have been
detected by oil sampling.
There
are basically three categories of oil analysis testing:
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Wear Metal Debris Analysis
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Fluid Properties (Oil condition)
-
Contamination
To
run your company to a "Proactive" level of
maintenance, usually involves doing all three tests
as a necessity. But most of all, the Fluid Properties
and Contamination categories are the most commonly used
tests. This way you can determine if the oil is safe
for continued use and what environmental elements are
entering into the equipment's vital components.
These
are a few common tests to include in your program, that
are used by today's leading manufacturers:
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TAN = Total Acid Number
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TBN = Total Base Number
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Particle Count
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Viscosity
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FTIR = Fourier Transform Infrared Spectroscopy
-
Analytical Ferrography
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Ferrous Density
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