Intro Predictive Maintenance 2E Episode 9 pot

... result, the natural frequency of that segment also changes. R MAX 2 298 An Introduction to Predictive Maintenance Figure 14 9 Resonance response. This type of coupling effect is common in single-reduction/increase ... it excites the fundamental (1¥) and blade-pass/vane-pass frequency components. Unlike 296 An Introduction to Predictive Maintenance Figure 14–8 Product modulation for...

Ngày tải lên: 13/08/2014, 16:22

... .225 .264 . 298 .334 6 .173 .1 79 . 191 .230 .264 .301 7 .1 49 .155 .167 .205 .240 .277 8 .131 .137 .1 49 .187 .223 .261 9 .117 .122 .135 .174 .210 .248 10 .106 .111 .123 .163 . 199 .2 39 11 . 096 .102 .114 ... .102 .114 .154 . 191 .231 12 .0 89 . 095 .107 .147 .184 .225 18 .061 .067 .0 79 .120 .163 .208 24 .047 .053 .066 .111 .155 .203 36 .0033 .038 .051 . 094 .151 .200 48 .026 .032...

Ngày tải lên: 13/08/2014, 16:21

... from predictive maintenance programs. Almost 91 percent (90 .9% ) of participants reported measur- able savings as a result of their predictive maintenance program. On average, reduc- tions in maintenance ... sole reason that predictive maintenance has failed to consistently achieve its full potential. The technology is real, and the evolution of 68 An Introduction to Predicti...

Ngày tải lên: 13/08/2014, 16:21

... 1300 0. 89 Aluminum Unoxidized 77 25 0.02 Unoxidized 212 100 0.03 Unoxidized 93 2 500 0.06 Oxidized 390 199 0.11 Oxidized 1110 599 0. 19 Oxidized at 599 °C (1110°F) 390 199 0.11 Oxidized at 599 °C (1110°F) ... 0 .92 Black Gloss 70 21 0 .9 Camouflage Green 125 52 0.85 Flat Black 80 27 0.88 Flat White 80 27 0 .91 Gray-Green 70 21 0 .95 Green 200 93 0 .95 Lamp Black 2 09 98 0 .96 Red 2...

Ngày tải lên: 13/08/2014, 16:21

... looseness, 290 misalignment, 293 modulations, 294 process instability, 296 resonance, 297 Failure modes, 5, 218 baghouses, 240 conveyors, pneumatic, 2 29 conveyors, mechanical, 2 29 control valves, 2 49 cyclonic ... 107, 1 79 uses of, 1 79, 182 Thermal imaging, 174 Time domain, 118, 146 Total productive maintenance, 6 Training, 7, 337, 3 49, 382, 392 , 400 Transducers, 121, 346 Trib...

Ngày tải lên: 13/08/2014, 16:22

... Gray 91 8x843 300.1x300.1 86 0.0 - - + + + + ❖ GrayScale Gray 99 9x780 300.0x300.0 87 0.0 - - + + + + ❖ Mask CMYK 5716x3838 1 199 .9x1 199 .8 89 0.0 - - + + + + ❖ GrayScale Gray 1059x602 300.1x300.1 91 ... 2858x2406 600.0x600.0 96 0.0 - - + + + + ❖ Mask CMYK 2362x1544 600.0x600.0 1 19 0.0 - - + + + + ❖ Mask CMYK 2360x1 799 600.0x600.0 120 0.0 - - + + + + ❖ GrayScale Gray 1129x662 400.0x...

Ngày tải lên: 13/08/2014, 16:22

... 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. ... made on a scheduled basis. 1.1.3 Predictive Maintenance Like preventive maintenance, predictive maintenance has many definitions. To some workers, predictive mainten...

Ngày tải lên: 13/08/2014, 16:21

... signature analysis for predictive maintenance, diagnostic, and other applications is the ability to differentiate between normal and abnormal 120 An Introduction to Predictive Maintenance Figure ... Data Most predictive maintenance programs rely almost exclusively on frequency-domain vibration data. The microprocessor-based analyzers gather time-domain data and auto- Predictive...

Ngày tải lên: 13/08/2014, 16:21

... 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 to Predictive Maintenance From ... however, care 132 An Introduction to Predictive Maintenance Figure 7–11 Relationship of vibration amplitude. trace into a series of discrete frequency components (see Figur...

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 ... components and lubricants presently used. 214 An Introduction to Predictive Maintenance Particle Count Particle count tests are important to anticipating potential system or ma...

Ngày tải lên: 13/08/2014, 16:22