搞好設(shè)備管理使企業(yè)效益最大化(1)-文庫吧
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【正文】 zation of maintenance programs ? Continuous improvement of maintenance programs 1/28/2023 8 1950 1960 1970 1980 1990 2023 Breakdown Fixed Interval PM RCM CBM TPM Development of Maintenance Strategy RBM 1/28/2023 9 Risk Based Maintenance ? Concept: Maintenance strategy and effort depend on equipment / ponent risks ? Why ? ? Risk Assessment – Risk = Consequence * Probability – Consequences: ? Health and safety ? Environment ? Deferred production / service ? Material damages 1/28/2023 10 An Important Concept Maintenance Related Costs ? Direct costs: – Routine services (CBS) – Predictive Preventive tasks (CPM) – Corrective tasks (CCM) ? Indirect costs: – Management – Administration – Supports ? Failure consequence costs (CRISKEX): – Health, Environment, and Safety (HES) – Production / services – Materials damage – Damage to reputation 1/28/2023 11 Relationship between Maintenance Costs 100 0 % Level of Preventive Maintenance Basic service like lube, cleaning, etc. CRISKEX Cost $ ? CMIN CCM CPM CBS Cost of basic services。 CPM Cost of preventive maintenance。 CCM Cost of corrective maintenance。 CRISKEX Costs / losses due to unplanned events。 CTOT = CBS + CPM + CCM + CRISKEX。 CMIN Minimal CTOT CTOT CBS 1/28/2023 12 Risk Maintenance Strategy 1/28/2023 13 Risk Distribution 1 , 0 %2 0 , 0 %3 8 , 0 %4 1 , 0 %IIIIIIIVMSI Maintenance Significant Items 1/28/2023 14 Risk Based Inspection RBI ? Equipment Types: Static – Piping – Vessels – Structures – …… ? NDT (
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