Vibration Fundamentals 1 2010 Part 3 pptx

... narrowband between 540 (18 00 × 0 .3) and 5400 rpm (18 00 × 3. 0). A 36 00-rpm machine would have a filtered narrowband between 10 80 (36 00 × 0 .3) and 10 ,800 rpm (36 00 × 3. 0). F AST F OURIER T RANSFORM ... between these two 06.Mobley .11 Page 80 Thursday, February 4, 19 99 2: 51 PM 80 Vibration Fundamentals Figure 11 .3 Double-reduction gearbox. If the input speed i...

Ngày tải lên: 11/08/2014, 18:21

... 208, 219 , 2 31 V-belts, 80, 17 3 Velocity, 19 , 22, 29, 51, 54 analysis, 8 monitoring, 3 profile, 13 , 16 , 21 severity, 22, 63, 10 9, 11 0, 13 0 signature, 11 , 15 , 21, 63, 13 8 sources, 16 damping, ... Transducer, 11 , 49, 11 2 Transient analysis, 230 , 255 Trending, 60, 12 5 Trigger group, 2 43 Turbulent flow, 14 Undamped, 28, 33 , 38 Universal joint...

Ngày tải lên: 11/08/2014, 18:20

... ω – K 2 – K 3 – K 3 g c = – K 3 M 1 2 ω – K 1 – K 3 g c or 4 2  K 1 + K 3 K 2 + K 3  K 1 K 2 + K 2 K 3 + K 1 K 3 ω – ω  +  + = 0  M 1 ⁄ g c M 2 ⁄ g c  M 1 M 2 2 ... on M 1 , the equation of motion for the top mass can be written as: M 1 X ˙˙ 1 = – K 1 X 1 – K 3 (X 1 – X 2 ) g c or 02.Mobley.7- Page 43 Frid...

Ngày tải lên: 11/08/2014, 18:21

... 09.Mobley .14 Page 12 7 Thursday, February 4, 19 99 3: 21 PM 12 7 Trending Analysis POINT SHAFT INSTABILITY VANEPASS BEARING DEFECTS V 01 0 .10 0.09 0.0 01 V02 0 .10 0.09 0.002 V 03 0 . 13 0 .10 0.002 V04 0 .11 ... machine-train. Figure 14 .3 illustrates the added information provided by narrowband data. 08.Mobley . 13 Page 12 3 Thursday, February 4, 19 99 3 :10 PM 12...

Ngày tải lên: 11/08/2014, 18:21

... on the frequency scale. Instead of being at the 10 .Mobley .15 Page 17 2 Friday, February 5, 19 99 10 :38 AM 17 2 Vibration Fundamentals Figure 15 . 31 Rolls in series. the operator- and drive-side ... top-left roll, the secondary measurement point 10 .Mobley .15 Page 15 3 Friday, February 5, 19 99 10 :38 AM 15 3 Failure-Mode Analysis Figure 15 .11 Dynamic resonance ph...

Ngày tải lên: 11/08/2014, 18:21

... 214 Friday, February 5, 19 99 11 :48 AM 214 Vibration Fundamentals Figure 21. 1 Campbell diagram. Figure 21. 2 Simple machine support system. 16 .Mobley. 23 Page 228 Friday, February 5, 19 99 11 :55 ... stiffness, of the member. 16 .Mobley. 23 Page 224 Friday, February 5, 19 99 11 :55 AM Part IV REAL-TIME ANALYSIS 224 15 .Mobley. 21 Page 2 13 Friday, February 5, 19 99...

Ngày tải lên: 11/08/2014, 18:21

... data, 61, 12 8, 18 4 Bearing frequencies, 73, 75, 78, 89, 92, 93, 10 2, 15 5 Blade pass frequency, 15 , 75 Broadband, 22, 23, 60, 64, 12 6, 13 3, 13 8 Cables, 53 Calibration factor, 2 43 Centrifugal ... compressors, 83, 11 4, 11 5 Centrifugal pumps, 94, 12 0 Chain drives, 75, 15 9 Channel coupling, 2 41 Circular frequency, 18 Common shaft analysis, 19 2 Composite...

Ngày tải lên: 11/08/2014, 18:21

... Networks 19 Instance Original Link AP Square field 13 .0 12 .9 12 .6 Library field 23. 9 23. 9 23 Table 7. Total throughputs with no fault (Mbps). Instance Ave. Max. Min. Square field 12 .4 12 .9 10 .9 Library ... wireless networks for nearly four years. Instance Ave. Max. Min. Square field 12 . 31 12.6 11 .1 Library field 21. 75 22.65 21 Table 9. Total throughputs for AP-fault exten...

Ngày tải lên: 21/06/2014, 23:20

... http://blogs.msdn.com/ianhu/archive/2009/05 / 13 /historical-debugging-in-visual-studio-team- system-2 010 .aspx Static Analysis of Code Contracts Code contracts (which I cover in Chapter 3) allow you to express constraints ... outside the project. CHAPTER 2  VISUAL STUDIO IDE AND MEF 33 foreach (var Part in directoryCatalog.Parts) { Console.WriteLine (Part. Metadata["secu...

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