Glossary of Terms
Practical maintenance terms, CMMS language, reliability abbreviations, and plant maintenance definitions in one place.
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399 terms shown
Production Rework Rate
Production rework rate is the percentage of output requiring additional processing or correction before it can meet acceptance requirements.
Production Yield
Production yield is the proportion of input or total produced quantity that becomes acceptable output without being lost as scrap or rejected material.
Prognostics and Health Management
Prognostics and Health Management combines condition assessment, diagnostics, prediction, and decision support to manage equipment health and future failure risk.
Proof Test
A proof test is a planned test used to reveal hidden dangerous failures and confirm that a protective or safety function can perform as required.
Punch List
A punch list is a controlled record of incomplete, defective, or outstanding items identified before final acceptance or closure.
QR Code Asset Tracking
QR code asset tracking links a scannable code on physical equipment to its digital asset record, maintenance history, requests, and work.
Quality Hold Point
A quality hold point is a mandatory stage where work cannot proceed until the required inspection, verification, or approval is completed.
Quality Rate
Quality rate is the OEE component measuring the proportion of total production that meets the defined good-output requirement.
Quarantine Stock
Quarantine stock is inventory physically or digitally restricted from normal use until inspection, investigation, approval, or disposition is complete.
Radiographic Testing
Radiographic testing uses X-rays or gamma radiation to produce an image of internal material and weld conditions.
Reactive Maintenance
Reactive maintenance is work performed in response to an equipment problem after the condition is reported or the asset has already failed.
Ready Backlog
Ready backlog is approved maintenance work that has been sufficiently planned and has the parts, labor, information, access, and safety requirements needed for scheduling.
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