Intro Predictive Maintenance 2E Episode 5 docx

... constant, g, in inches/second/second. 154 An Introduction to Predictive Maintenance 1 6 2 5 4 3 SENSITIVE AXIS (1) Pickup case (2) Wire out (3) Damper (4) Mass (5) Spring (6) Magnet Figure 7–22 Schematic ... 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...

Ngày tải lên: 13/08/2014, 16:21

... 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

... Designing a predictive maintenance program 50 4 Benefits of Predictive Maintenance 60 4.1 Primary uses of predictive maintenance 61 5 Machine-Train Monitoring Parameters 74 5. 1 Drivers 75 5. 2 Intermediate ... 301 15 Establishing A Predictive Maintenance Program 3 25 15. 1 Goals, objectives, and benefits 3 25 15. 2 Functional requirements 326 15. 3 Selling...

Ngày tải lên: 13/08/2014, 16:21

... $1 Interest Periods 1% 2% 4% 10% 15% 20% 1 1.010 1.020 1.040 1.100 1. 150 1.200 2 .50 8 .51 5 .53 0 .57 6 .6 15 . 654 3 .340 .347 .360 .402 .438 .4 75 4 . 256 .263 .2 75 .3 15 . 350 .386 5 .206 .212 .2 25 .264 .298 .334 6 ... differ- $, $3, 75 000 1 5 000 55 55 ==.% $3, $ , $0, years $ 2, per year1 5 000 75 000 6 000 5 1 000-= = $0 $ years $ per year 8 000 50 000 5 15...

Ngày tải lên: 13/08/2014, 16:21

... monitored and eval- uated with ease. Figure 5 5 shows a typical inline centrifugal compressor. 86 An Introduction to Predictive Maintenance Figure 5 5 Typical inline centrifugal compressor. The ... insurance to plants that have a viable predictive maintenance program. Predictive Maintenance Costs The average maintenance budget of the plants interviewed was $12, 053 ,000, but...

Ngày tải lên: 13/08/2014, 16:21

... analysis for predictive maintenance, diagnostic, and other applications is the ability to differentiate between normal and abnormal 120 An Introduction to Predictive Maintenance Figure 7 5 Typical ... begun. Therefore, 75% of each sample is new. As a result, accuracy may be reduced by as much as 25% for each data set. 50 The last 50 % of the previous block is added to a new 50 % or...

Ngày tải lên: 13/08/2014, 16:21

... Al 2 O 3 75 24 0.94 White, Y 2 O 3 75 24 0.9 White, ZnO 75 24 0. 95 White, MgCO 3 75 24 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 ... 0.06 Electrolytic 1000 53 8 0.1 Electrolytic 2000 1093 0.16 Nickel Oxide 1000–2000 53 8–1093 .59 –.86 Palladium Plate (.000 05 on .00 05 silver) 200– 750 93–399 .16–.1...

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 pr...

Ngày tải lên: 13/08/2014, 16:22

... An Introduction to Predictive Maintenance 200 100 100 200 300 400 50 0 600 700 800 1000 150 50 65% 70% 75% 80% 80% 75% 70% 65% BEP 15 HP 15 HP 20 HP 20 HP Total Dynamc Head (Feet) Figure 13 5 Brake ... (Feet) 65% 70% 80% 80% 70% 75% 65% 75% Best Efficiency Point (BEP) Figure 13–3 Simple hydraulic curve for centrifugal pump. 200 100 100 200 300 400 50 0 600 700 800...

Ngày tải lên: 13/08/2014, 16:22

... goals. A well-planned Establishing a Predictive Maintenance Program 327 Figure 14–34 Eccentric sheaves. 320 An Introduction to Predictive Maintenance Figure 14– 35 Light and heavy spots on an unbalanced ... to belts and sheaves. 318 An Introduction to Predictive Maintenance The decision to establish a predictive maintenance program is the first step toward controlling mainten...

Ngày tải lên: 13/08/2014, 16:22