An introduction to predictive maintenance - part 6 doc
An introduction to predictive maintenance - part 6 doc
... operationalcontrols and maintenance controls is not important because the result is a reduced 264 An Introduction to Predictive Maintenance Figure 12–3 Normal distribution of failures.This predictive maintenance ... Inverter-Motor ᭹Incorrect Line Voltage ᭹᭹ ᭹Main Circuit DC Voltage Too Low ᭹Motor Coil Resistance Too Low ᭹᭹Motor Insulation Damage ᭹᭹Pre-Charge Contactor Open ᭹Process Load Exceeds Motor Rating ... and strainers, typically causes premature failure. Such maintenance is crucial to reciprocating 2 36 An Introduction to Predictive Maintenance Table 10–10b Common Failure Modes of Reciprocating...
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An introduction to predictive maintenance - part 9 docx
... instruments, erratic readings, 362 An Introduction to Predictive Maintenance The technicians will be trained in advanced maintenance techniques, such as predictive maintenance and equipment improvement. ... of each mea-surement point on a common-shaft. Figure 17–1 illustrates this technique for a390 An Introduction to Predictive Maintenance World-Class Maintenance 399 maintenance organization work ... where to go to find the parts ready for immediate use.A Total-Plant Predictive Maintenance Program 383Section 16. 2.1) by its counterpart in the other half of the rotor, can result. If the rotoris...
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An introduction to predictive maintenance - part 1 pot
... mainte-nance, predictive maintenance, reliability-centered maintenance, spareparts equipment stores, and tool locations—the collective domain of the maintenance department and the maintenance ... 3. 060 3.122 3.310 3.472 3 .64 04 4. 060 4.122 4.2 46 4 .64 1 4.993 5. 368 5 5.101 5.204 5.4 16 6.105 6. 742 7.442 6 6.152 6. 308 6. 633 7.7 16 8.754 9.9307 7.214 7.434 7.898 9.487 11. 067 12.9 16 8 8.2 86 ... of Maintenance 3 Predictive Maintenance Is More Than Maintenance Traditionally, predictive maintenance is used solely as a maintenance managementtool. In most cases, this use is limited to preventing...
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An introduction to predictive maintenance - part 2 pot
... caused by maintenance- related problems. If production delays represent more than 30 percent of total44 An Introduction to Predictive Maintenance Too many maintenance functions continue to pride ... systemBenefits of Predictive Maintenance 69 Advantages and DisadvantagesOverall, preventive maintenance has many advantages. It is beneficial, however, to overview the advantages and disadvantages so ... goals.With the predictive maintenance technologies that are available today, maintenance can anticipate the need for specific equipment or parts far enough in advance to pur-chase them on an as-needed...
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An introduction to predictive maintenance - part 3 pdf
... ranging from relativelyinexpensive, black-and-white scanners to full-color, microprocessor-based systems.Many of the less expensive units are designed strictly as scanners and cannot storeand ... elements allows vibration-based analysis techniques to be used for predictive maintenance. Vibration analysis is one of several predictive maintenance techniquesused to monitor and analyze critical ... microprocessor-based analyzers gather time-domain data and auto- Predictive Maintenance Techniques 101Figure 6 1 Vibration is dynamic and amplitudes constantly change.The total vibration represented...
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An introduction to predictive maintenance - part 4 pdf
... is impor-tant that single-channel analysis be augmented with multichannel and dynamic analy-sis. Total reliance on single-channel techniques severely limits the accuracy of analysisand the ... elements that can be used to describe the function. These common elements are peak -to- peak, zero -to- peak, androot-mean-square, each of which are illustrated in Figure 7–11.Peak -to- peak. As illustrated ... of plant equipment and systems to opti-mize total plant operation. Relies on directequipment monitoring to determine theactual mean-time -to- failure or loss of ef - ciency for each machine-train...
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An introduction to predictive maintenance - part 5 pptx
... EmissivityMetalsAlloys 20-Ni, 24-CR, 55-FE, 392 200 0.9Oxidized20-Ni, 24-CR, 55-FE, 932 500 0.97Oxidized 60 -Ni, 12-CR, 28-FE, 518 270 0.89Oxidized 60 -Ni, 12-CR, 28-FE, 1040 560 0.82Oxidized80-Ni, 20-CR, Oxidized ... persecond).Motor alternator A device that consists of an AC generatormechanically linked to an electric motor,which is driven by utility power or by bat-teries. An alternator is an AC generator.Motor ... Few main-tenance departments have successfully translated technical and operating resultsgained by predictive maintenance into a value and benefits in the financial terms nec-essary to ensure...
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An introduction to predictive maintenance - part 7 pptx
... secondary (2¥)component; and the third critical excites the third (3¥) frequency component.2 86 An Introduction to Predictive Maintenance 308 An Introduction to Predictive Maintenance Figure 14–18 Typical ... travel generates a fre-290 An Introduction to Predictive Maintenance Figure 14–2 Multiplane imbalance generates multiple harmonics.total pressure required to overcome all resistance at a given flow. ... transmitted to the cage, which causes it to rotate around the bearing races.302 An Introduction to Predictive Maintenance Many predictive maintenance programs are limited to simple trending of vibration,infrared,...
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An introduction to predictive maintenance - part 8 pot
... accompanied by noise and smoke, causing belts to overheat and be glazed in appearance. It is important to replace worn belts.324 An Introduction to Predictive Maintenance measurement routes and ... is not totally possible with today’s technology.Automated Data Management and TrendingThe amount of data required to support a total-plant predictive maintenance programis massive and will ... multiple plant operation and direct access to third-party diagnostic and analysis support. Data can be transferred anywhere inthe world using this technique. Not all predictive maintenance systems...
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An introduction to predictive maintenance - part 10 ppsx
... as paramount.414 An Introduction to Predictive Maintenance Figure 18–4 Structure of maintenance. MAINTENANCE Reliability-drivenEquipment-driven Predictive Time-drivenEvent-drivenBreakdownsEmergencyRemedialRepairsRebuildsPeriodicFixed ... team mindset, as opposed to an autocratic one.• By providing an environment in which management is open to change andwilling to permit workers to plan for and implement change.18.7.2 CostLike ... enhanced support to users, and better cost–benefit ratio.Management Control. Unlike repair maintenance, which must react to failures, preventive maintenance can be planned. This means pre-active...
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