An introduction to predictive maintenance - part 10 ppsx

... as paramount. 414 An Introduction to Predictive Maintenance Figure 18–4 Structure of maintenance. MAINTENANCE Reliability-driven Equipment-driven Predictive Time-driven Event-driven Breakdowns Emergency Remedial Repairs Rebuilds Periodic Fixed ... team mindset, as opposed to an autocratic one. • By providing an environment in which management is open to change and willi...

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... mainte- nance, predictive maintenance, reliability-centered maintenance, spare parts equipment stores, and tool locations—the collective domain of the maintenance department and the maintenance ... of Maintenance 3 Predictive Maintenance Is More Than Maintenance Traditionally, predictive maintenance is used solely as a maintenance management tool. In most cases, this use...

Ngày tải lên: 08/08/2014, 11:21

... delays represent more than 30 percent of total 44 An Introduction to Predictive Maintenance Too many maintenance functions continue to pride themselves on how fast they can react to a catastrophic ... 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...

Ngày tải lên: 08/08/2014, 11:21

... ranging from relatively inexpensive, black-and-white scanners to full-color, microprocessor-based systems. Many of the less expensive units are designed strictly as scanners and cannot store and ... elements allows vibration-based analysis techniques to be used for predictive maintenance. Vibration analysis is one of several predictive maintenance techniques used to monitor and a...

Ngày tải lên: 08/08/2014, 11:21

... 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 analysis and the ... elements that can be used to describe the function. These common elements are peak -to- peak, zero -to- peak, and root-mean-square, each of which are illustrated in Figure 7–11. Peak -to- peak. As...

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... Emissivity Metals Alloys 20-Ni, 24-CR, 55-FE, 392 200 0.9 Oxidized 20-Ni, 24-CR, 55-FE, 932 500 0.97 Oxidized 60-Ni, 12-CR, 28-FE, 518 270 0.89 Oxidized 60-Ni, 12-CR, 28-FE, 104 0 560 0.82 Oxidized 80-Ni, 20-CR, Oxidized ... per second). Motor alternator A device that consists of an AC generator mechanically linked to an electric motor, which is driven by utility power or by bat- terie...

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... operational controls 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 ... strainers, typically causes premature failure. Such maintenance is crucial to reciprocating 236 An Introduction to Predictive Maintenance Table...

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... secondary (2¥) component; and the third critical excites the third (3¥) frequency component. 286 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 require...

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... 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 ... establishing a predictive mainte- nance database. The only steps remaining to get the program started are to establish 348 An Introduction to Predictive Maintenance v...

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... of each mea- surement point on a common-shaft. Figure 17–1 illustrates this technique for a 390 An Introduction to Predictive Maintenance World-Class Maintenance 399 maintenance organization work ... instruments, erratic readings, 362 An Introduction to Predictive Maintenance The technicians will be trained in advanced maintenance techniques, such as predictive ma...

Ngày tải lên: 08/08/2014, 11:21