Core Concepts and Technologies of Machiney Oil Analysis for Performance Excellence and Failure Prevention

摘要

Machinery oil analysis (MOA) is a tribology and lubricant based maintenance tool and failure prevention technology for machinery systems. MOA has been practiced for more than fifty years as an organized technical activity in machine and fluid health diagnosis for predictive and proactive maintenance of fluid-dependent industrial machines and military equipment. Once as a practice-focused enabling technology for machinery condition monitoring, MOA is currently advancing to shape its characteristic conceptual framework and technological system. The core concept of MOA is expressed by a triangle representing respectively machinery system contamination, component part wear, and oil physical chemistry. This concept, as a whole or in part, has been gaining wider and wider real-world applications. The uniqueness of this concept is the roles it plays in setting.up application-oriented MOA facilities (off-site laboratories, on-site portable devices, and in-line sensing systems), designing case-sensitive MOA profiles, conducting MOA data-based root-cause analysis, and diagnosing machine/oil health status. MOA technologies have been reviewed in this article in connection with the stated MOA trivectors. For a panorama perspective of MOA concepts and technologies, accounts have been made of the historical evolutions of MOA in terms of application phases, technology milestones, instrumentation modes, laboratory types, practice features, parameter characteristics, and service forms.