Rich Wurzbach

York County, Pennsylvania, United States Contact Info
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Grease Analysis, Maintenance Engineering, Predictive Maintenance, Condition-Based…

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Experience & Education

  • MRG Laboratories

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Licenses & Certifications

Publications

  • Viscosity and Rheology of In-Service Fluids as they Pertain to Condition Monitoring

    ASTM

    ASTM STP1564

    Other authors

  • Effective Grease Practices

    Electric Power Research Institute (EPRI)

    Report #1020247: This document was developed by EPRI NMAC Center for the power industry to provide a single-source guide and a reference for implementation of best practices in grease lubrication, guidance for proper lubricant selection, and evaluation of available and emerging technologies and techniques to optimize lubrication effectiveness.

    Other authors
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  • Effective Grease Practices

    Electric Power Research Institute (EPRI)

    Report #1020247: This document was developed to provide a single-source guide and a reference for implementation of best practices in grease lubrication, guidance for proper lubricant selection, and evaluation of available and emerging technologies and techniques to optimize lubrication effectiveness.

    Other authors
    See publication

  • Thin Film Visible Spectroscopy of Greases

    STLE Annual Conference

Patents

  • Method and related device for grease evaluation

    Issued US 10627387

    A method for evaluating the condition of grease includes submitting a sample of grease to light from a spectrophotometer, passing the light through the sample along a light path, and analyzing the color or spectrum of the light after emerging from the light path. The length of the light path can be varied as needed to enable translucent or very light-colored greases and greases that are dark provide useable data from the light passing through the grease.

    Other inventors
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  • Method for greasing the mated threads of a threaded connector and related device

    Issued US 9360130

    A method for greasing the mated threads of a valve stem and a stem nut of a motor-operated valve without the need to actuate the valve and without the need for an internal grease path within the stem nut includes pressurizing one end of the thread interface defined by the mating threads with pressurized grease. A device for carrying out the method may include a thread lubricator that has a bore that receives the free end of the valve stem and an adapter nut that attaches the thread lubricator…

    A method for greasing the mated threads of a valve stem and a stem nut of a motor-operated valve without the need to actuate the valve and without the need for an internal grease path within the stem nut includes pressurizing one end of the thread interface defined by the mating threads with pressurized grease. A device for carrying out the method may include a thread lubricator that has a bore that receives the free end of the valve stem and an adapter nut that attaches the thread lubricator to the valve housing. Pressurized grease flows into the thread lubricator and to the one end of the thread interface.

    Other inventors
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  • Method of Evaluating Grease and Extrusion Die for the Method

    Issued US 8,549,930

    A method for analyzing greases by inducing flow through an extrusion die while measuring the resulting force required at a varying input speed. The grease is extruded as a thin-film, allowing subsequent analysis of the prepared substrate for other analysis tests utilizing the optimized form.

    Other inventors
    • Andreas Retzlaff
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  • Grease sampling kit, grease sampling devices made from the kit, and related methods

    Issued US 7,984,661

    The invention is the "Grease Thief", a tool to obtain representative samples from in-service machinery, for subsequent analysis to determine the health of the lubricant and the machine components being lubricated.

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Projects

  • Grease analysis of Fanuc Robot drives

    - Present

    Grease replacement costs are a significant resource requirement for operators of robotics. In order to develop a condition-based approach to grease management and replacement, along with predictive maintenance of the robot drive, we developed a Grease Thief kit for sampling robot drive greases. A test slate for evaluating gear and bearing conditions, grease consistency changes, oxidative health of the grease, and particle content is customized for the robot applications, allowing robot owners…

    Grease replacement costs are a significant resource requirement for operators of robotics. In order to develop a condition-based approach to grease management and replacement, along with predictive maintenance of the robot drive, we developed a Grease Thief kit for sampling robot drive greases. A test slate for evaluating gear and bearing conditions, grease consistency changes, oxidative health of the grease, and particle content is customized for the robot applications, allowing robot owners to monitor robot fleet condition and determine optimal grease replacement frequency.

    Other creators
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