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May - June 2022
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Where Does Particle Contamination Come From?
Solid Particle Ingression
Ingested
Generated Built In
SERVICE
DEBRIS
PROCESS ATMOSPHERE COMBUSTION SURFACES
MANUFACTURING
DEBRIS
OIL
• Repairs
• PMs
• New filter
• New oil
• Dirty hose, fitting
components
• Top-up containers
• Burrs
• Machining swarf
• Weld spatter
• Abrasives
• Drill turnings
• Filings
• Dust
• Comtaminated
components
• Compressed
air/gas
• Pulp
• Pulverized coal
• Ore dust
• Aggregates
• Cement
• Catalysts
• Molecular
sieves
• Process
chemicals
• Breather
ingestion
• Seal ingestion
• Tank opening
• Rock dust
• Mill scale
• Quarry dust
• Foundry dust
• Slag Particles
• Blow-by
• Soot
• Fly ash
• Induction air
• Contaminated
fuel
• Mechanical wear
• Corrosive wear
• Cavitation
• Exfollation
• Hose fibers
• Filter fibers
• Break-in debris
• Elastomers
• Paint chips
• Desedimentation
• Filter desorption
• Additive precipitation
• Sludge
• Oxide insolubles
• Carbonization
• Coke
CONDITION MONITORING LUBRICANT ANALYSIS AND TROUBLESHOOTING
Do Your Machines Have an Issue?
Lubricant analysis is the most common way of quantifying
the number of small particles found in machines. is informa-
tion can be very helpful, as it will tell if proactive steps such as
controlling the headspace are working, as well as letting users
know that the current filtration strategy is helping to eliminate
particles of the right size.
About the Author
Travis Richardson is a technical consultant for Noria
Corporation. He holds a Level II Machine Lubrication
Technician (MLT) certification and a Level III Machine
Lubricant Analyst (MLA) certification through the Inter-
national Council for Machinery Lubrication (ICML). Contact Travis at
trichardson@noria.com.
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