Intro Predictive Maintenance 2E Episode 7 docx

... System Poor maintenance of lubrication system components, such as filters and strainers, typically causes premature failure. Such maintenance is crucial to reciprocating 236 An Introduction to Predictive ... root-cause of any anomalies discovered. 212 An Introduction to Predictive Maintenance Many plants do not consider machine or systems efficiency as part of the maintenance resp...

Ngày tải lên: 13/08/2014, 16:22

... however, care 132 An Introduction to Predictive Maintenance Figure 7 11 Relationship of vibration amplitude. trace into a series of discrete frequency components (see Figure 7 19). In a frequency- domain ... of a predictive maintenance or reliability improvement program. The accuracy as well as proper use and mounting determine whether valid data are collected. 152 An Introduction t...

Ngày tải lên: 13/08/2014, 16:21

... their performance 20 An Introduction to Predictive Maintenance Predictive Maintenance Is More Than Maintenance Traditionally, predictive maintenance is used solely as a maintenance management tool. ... Designing a predictive maintenance program 50 4 Benefits of Predictive Maintenance 60 4.1 Primary uses of predictive maintenance 61 5 Machine-Train Monitoring Par...

Ngày tải lên: 13/08/2014, 16:21

... .530 . 576 .615 .654 3 .340 .3 47 .360 .402 .438 . 475 4 .256 .263 . 275 .315 .350 .386 5 .206 .212 .225 .264 .298 .334 6 . 173 . 179 .191 .230 .264 .301 7 .149 .155 .1 67 .205 .240 . 277 8 .131 .1 37 .149 ... .149 .1 87 .223 .261 9 .1 17 .122 .135 . 174 .210 .248 10 .106 .111 .123 .163 .199 .239 11 .096 .102 .114 .154 .191 .231 12 .089 .095 .1 07 .1 47 .184 .225 18 .061 .0 67 . 0...

Ngày tải lên: 13/08/2014, 16:21

... analysis, a key predictive maintenance tool, can be used to determine whether the repairs corrected existing problems and/or created additional abnormal 72 An Introduction to Predictive Maintenance Centrifugal Centrifugal ... for production interruption insurance to plants that have a viable predictive maintenance program. Predictive Maintenance Costs The average maintenance...

Ngày tải lên: 13/08/2014, 16:21

... minute (vpm) or f T = 1 XX t= () 0 sin w 126 An Introduction to Predictive Maintenance T time t X o Displacement X Figure 7 6 Typical periodic motion. Figure 7 7 Simple harmonic motion. For example, most ... by the following equations: f w 128 An Introduction to Predictive Maintenance t ω Figure 7 9 Two harmonic motions with a phase angle between them. Figure 7 10 Nonharmonic per...

Ngày tải lên: 13/08/2014, 16:21

... Red 2500–5000 1 371 – 276 0 .32–.34 Tiles, Red 2500–5000 1 371 – 276 0 .40–.51 Dark Purple 2500–5000 1 371 – 276 0 0 .78 Concrete Rough 32–2000 0–1093 0.94 Tiles, Natural 2500–5000 1 371 – 276 0 .63–.62 Tiles, ... 0.91 White, ZrO 2 75 24 0.95 White, ThO 2 75 24 0.9 White, MgO 75 24 0.91 White, PbCO 3 75 24 0.93 Yellow, PbO 75 42 0.9 Yellow, PbCrO 4 75 24 0.93 Paints, Aluminum 100 (38)...

Ngày tải lên: 13/08/2014, 16:21

... ultrasonics to monitor bearing condition is not recommended. 258 An Introduction to Predictive Maintenance 250 An Introduction to Predictive Maintenance Trap Will Not Discharge Will Not Shut-off Continuously ... changes may be. 262 An Introduction to Predictive Maintenance Figure 12–1 “Go/no-go” standards. Figure 12–2 Accelerometer to measure vibration of rotating shaft. This pre...

Ngày tải lên: 13/08/2014, 16:22

... the best theoretical performance. 276 An Introduction to Predictive Maintenance 200 100 100 200 300 400 500 600 70 0 800 1000 150 50 65% 70 % 75 % 80% 80% 75 % 70 % 65% BEP 15 HP 15 HP 20 HP 20 HP Total ... pump Operating Dynamics Analysis 275 200 150 50 100 100 200 300 400 500 600 70 0 800 1000 FLOW in gallons per minute (GPM) Total Dynamc Head (Feet) 65% 70 % 80% 80% 70 % 75...

Ngày tải lên: 13/08/2014, 16:22

... program goals. A well-planned Establishing a Predictive Maintenance Program 3 27 Figure 14–34 Eccentric sheaves. 320 An Introduction to Predictive Maintenance Figure 14–35 Light and heavy spots ... to belts and sheaves. 318 An Introduction to Predictive Maintenance The decision to establish a predictive maintenance program is the first step toward controlling maintenance cos...

Ngày tải lên: 13/08/2014, 16:22