Intro Predictive Maintenance 2E Episode 11 doc

... spot checks of electrical equipment, and many more. 354 An Introduction to Predictive Maintenance 364 An Introduction to Predictive Maintenance If the forms are sorted every month, the cards ... which is mostly counterbalanced statically (discussed in 368 An Introduction to Predictive Maintenance 374 An Introduction to Predictive Maintenance that position will probably be enou...

Ngày tải lên: 13/08/2014, 16:22

... 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 ... extrapolated to form the basis of a preliminary design. Prototype testing of new 116 An Introduction to Predictive Maintenance Hydraulic Instability (Vane Pass). Hydraulic or flow insta...

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 ˙˙ =- - - () 144 An Introduction to Predictive Maintenance X 1 X 2 k 2 k 3 k 1 M 2 M 1 Figure 7–16 ... 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...

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

... 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. ... failures. 4 An Introduction to Predictive Maintenance Figure 1–1 Typical bathtub curve. 6.3 Tribology 108 6.4 Visual inspections 111 6.5 Ultrasonics 111 6.6 Other techn...

Ngày tải lên: 13/08/2014, 16:21

... .261 9 .117 .122 .135 .174 .210 .248 10 .106 .111 .123 .163 .199 .239 11 .096 .102 .114 .154 .191 .231 12 .089 .095 .107 .147 .184 .225 18 .061 .067 .079 .120 .163 .208 24 .047 .053 .066 .111 .155 ... Types of Maintenance There are three main types of maintenance and three major divisions of preventive maintenance, as illustrated in Figure 3–1: • Maintenance improvement • Corrective...

Ngày tải lên: 13/08/2014, 16:21

... predictive maintenance techniques has further reduced the annual operating cost of predictive maintenance methods so that any plant can achieve cost-effective implementation of this type of maintenance ... for production interruption insurance to plants that have a viable predictive maintenance program. Predictive Maintenance Costs The average maintenance budget of the pla...

Ngày tải lên: 13/08/2014, 16:21

... 200 0.41 Monel, Ni-Cu 752 400 0.44 Monel, Ni-Cu 111 2 600 0.46 Monel, Ni-Cu 68 20 0.43 Oxidized Monel, Ni-Cu 111 0 (599) 111 0 599 0.46 Oxidized at 111 0°F Nickel Polished 100 38 0.05 Oxidized 100–500 ... 500 0.06 Oxidized 390 199 0 .11 Oxidized 111 0 599 0.19 Oxidized at 599°C (111 0°F) 390 199 0 .11 Oxidized at 599°C (111 0°F) 111 0 599 0.19 Heavily Oxidized 200 93 0.2 Heavily Oxidi...

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

... zones or critical speeds, their natural frequency is momentarily 300 An Introduction to Predictive Maintenance Figure 14 11 Dynamic resonance phase shift. suction supply should have relatively ... the fundamental (1¥) and blade-pass/vane-pass frequency components. Unlike 296 An Introduction to Predictive Maintenance Figure 14–8 Product modulation for a speed-increaser gearbox. 14.1 C...

Ngày tải lên: 13/08/2014, 16:22