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    • Law Firms ServedTrusted by major law firms for expert testimony and technical support in lubrication and mechanical failure cases.
    • Practice AreasDetailed expertise in lubrication engineering, oil analysis, contamination control, and machinery failure investigation.
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    • Bio and CVLearn about James C. Fitch’s background, credentials, publications, and experience as an expert witness.
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  • Jim Fitch
    C.V.

Tag: Contaminant exclusion

Jim Fitch authored articles & papers

  • Contamination Control Strategies for Planned Oil Cleanliness

    Contamination Control Strategies for Planned Oil Cleanliness

    Despite the good intentions of many organizations, real improvements in contamination control often remain an elusive concept. They know that invisible particles are one of the largest single contributors to progressive wear of machinery. Read More

  • Lubricant Quality – How Does the Chain of Custody Affect It?

    Lubricant Quality – How Does the Chain of Custody Affect It?

    Lubricant users are increasingly inquiring about the cleanliness and lubricant quality of new oil deliveries. This trend is logical and probably unending as the maintenance field becomes more aware of the linkage between contamination and machine reliability. Yet there has been legitimate concerns raised by some lubricant suppliers regarding this trend. Read More

  • Justifying the Cost of Excluding a Gram of Dirt [the economics of controlling contaminant ingression)

    Justifying the Cost of Excluding a Gram of Dirt [the economics of controlling contaminant ingression)

    For years Noria has been saying, “The cost of excluding a gram of dirt is probably only about 10 percent of what it will cost you once it gets into your oil.” Recently, a Noria training client asked us to document proof of this statement. Read More

  • Headspace Management – Are You in On This Best-Kept Contamination Control Secret?

    Headspace Management – Are You in On This Best-Kept Contamination Control Secret?

    By now, most lubrication professionals are keenly aware of the reliability gains associated with contamination control. Those who have traveled down this road know that clean and dry lubricants often come at a price. Read More

  • How Dirt can Contaminate a Lubricant

    How Dirt can Contaminate a Lubricant

    Do you really know how your lubricants become contaminated? Have you taken an inventory of the sources of contamination and the primary points of entry? If not, you are in the majority as sadly, few organizations go to the trouble of performing a contaminant ingression study. Read More

  • How Filters Work to Control Contamination in Oil

    How Filters Work to Control Contamination in Oil

    Imagine the filter inside your machine is made of fibers the size of telephone poles, stacked randomly in all directions, many layers thick. Each juncture where poles touch is a drop of super glue for support. To emulate actual operating conditions, the stack of poles is placed on a large moving and vibrating table. Read More

Phone: (918) 605-5465
Email: jfitch@tesibis.com

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