Intro Predictive Maintenance 2E Episode 1 pdf

... rolls 2 41 10 .8 Gearboxes/reducers 242 10 .9 Steam traps 249 10 .10 Inverters 249 10 .11 Control valves 249 10 .12 Seals and packing 2 51 11 Ultrasonics 256 11 .1 Ultrasonic applications 256 11 .2 ... failures. 4 An Introduction to Predictive Maintenance Figure 1 1 Typical bathtub curve. 6.3 Tribology 10 8 6.4 Visual inspections 11 1 6.5 Ultrasonics 11 1 6.6 Other tech...

Ngày tải lên: 13/08/2014, 16:21

... 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 predictive maintenance technique ... analysis is from less than 1Hz to 30,000Hz. Ultrasonics techniques monitor the frequency range between 20,000Hz and 10 0kHz. 11 .1 U LTRASONIC APPLICATIONS As part of a predic...

Ngày tải lên: 13/08/2014, 16:22

... Turn (Shift) 558 units 11 . Rate of Product Quality 96.8% 12 . OEE 57 .1% Item 6 ¥ Item 9 ¥ Item 11 Item 7 Item 10 I te m 7 - 10 0 Item 8 Item 7 I te m 5 ¥ 10 0 Item 5 I te m 1 10 0 classifications ... environmental, or quality requirements. For example, OSHA 19 10 .11 9, ISO 9000, FDA, Kosher, and others. 382 An Introduction to Predictive Maintenance World-Class Maintenance...

Ngày tải lên: 13/08/2014, 16:22

... .277 8 .13 1 .13 7 .14 9 .18 7 .223 .2 61 9 .11 7 .12 2 .13 5 .17 4 . 210 .248 10 .10 6 .11 1 .12 3 .16 3 .19 9 .239 11 .096 .10 2 .11 4 .15 4 .19 1 .2 31 12 .089 .095 .10 7 .14 7 .18 4 .225 18 .0 61 .067 .079 .12 0 .16 3 ... 2 1 on future 38 An Introduction to Predictive Maintenance Table 2–5 Capital Recovery, Uniform Series with Present Value $1 Interest Periods 1% 2% 4% 10 %...

Ngày tải lên: 13/08/2014, 16:21

... typically 15 to 30 percent of their full range. Operation outside of the 92 An Introduction to Predictive Maintenance Figure 5 11 Major fan classifications. budget of survey participants ( $12 ,053,000), ... savings are about $1. 6 million. A successful predictive maintenance program, according to most publications, should generate a return on investment of between 10 :1 and 12 :1....

Ngày tải lên: 13/08/2014, 16:21

... also be an imbalance between the lift generated by the rotor and gravity. 12 2 An Introduction to Predictive Maintenance 6 .1. 1 Technology Limitations Computer-based systems have several limitations. ... signature analysis for predictive maintenance, diagnostic, and other applications is the ability to differentiate between normal and abnormal 12 0 An Introduction to Predictive M...

Ngày tải lên: 13/08/2014, 16:21

... of X 1 and X 2 . The equation then becomes: M g XKKXKX c 1 113 132 0 ˙˙ ++ () -= M g XKXKXX c 1 111 312 ˙˙ =- - - () 14 4 An Introduction to Predictive Maintenance X 1 X 2 k 2 k 3 k 1 M 2 M 1 Figure ... value ww 42 13 1 23 2 12 23 13 12 2 0- + + + Ï Ì Ó ¸ ˝ ˛ + ++ = KK Mg KK Mg KK K K KK MM g cc c - = - K M g KK M g KK K c c 3 1 2 13 2 2 23 3 w w A A M g KK K...

Ngày tải lên: 13/08/2014, 16:21

... 0.02 Unoxidized 212 10 0 0.03 Unoxidized 932 500 0.06 Oxidized 390 19 9 0 .11 Oxidized 11 10 599 0 .19 Oxidized at 599°C (11 10°F) 390 19 9 0 .11 Oxidized at 599°C (11 10°F) 11 10 599 0 .19 Heavily Oxidized ... 0.28 Magnesium 10 0–500 38–260 .07– .13 Magnesium Oxide 18 80– 314 0 10 27 17 27 .16 –.20 Mercury 32 0 0.09 77 25 0 .1 100 38 0 .1 212 10 0 0 .12 Molybdenum 10 0 38 0...

Ngày tải lên: 13/08/2014, 16:21

... properly. 222 An Introduction to Predictive Maintenance pump. This problem can be prevented by using well-maintained inlet strainers or filters. 10 .2 FANS, BLOWERS, AND FLUIDIZERS Tables 10 –4 and 10 –5 list ... 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...

Ngày tải lên: 13/08/2014, 16:22

... Introduction to Predictive Maintenance INLINE CONFIGURATION 10 0 PSID 10 0 PSID 300 PSI 10 0 PSI 10 0 PSI 10 0 PSID 10 0 PSID 10 0 PSID OPPOSED CONFIGURATION Figure 13 1 Impeller orientation. 14 .1. 5 Modulations Modulations ... performance. 276 An Introduction to Predictive Maintenance 200 10 0 10 0 200 300 400 500 600 700 800 10 00 15 0 50 65% 70% 75% 80% 80% 75% 70% 6...

Ngày tải lên: 13/08/2014, 16:22