Vibration Fundamentals 1 2010 Part 6 ppt

... in the vibration signature. This generally occurs with multiple-speed machines or a group of single-speed machines. 10 .Mobley .15 Page 16 6 Friday, February 5, 19 99 10 :38 AM 16 6 Vibration Fundamentals ... excitation, this mode of opera- 10 .Mobley .15 Page 16 8 Friday, February 5, 19 99 10 :38 AM 16 8 Vibration Fundamentals Figure 15 . 26 Roll loading. incre...

Ngày tải lên: 11/08/2014, 18:21

... limit Absolute fault limit I 0.028 0. 010 0 .15 6 0. 260 II 0.042 0 .15 6 0.3 96 0.400 III 0 .10 0 0.255 0.3 96 0 .62 0 IV 0 .15 6 0.3 96 0 .62 2 1. 000 * Measurements are in inches per second ... lines Product rolls Printing continued 66 06. Mobley .11 Page 81 Thursday, February 4, 19 99 2: 51 PM 81 Machine-Train Monitoring Parameters Table 11 .1 B...

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 213 Friday, February 5, 19 99 11...

Ngày tải lên: 11/08/2014, 18:21

... Analysis type, 10 1 Antialiasing filters, 10 5 Applied force, 15 Averaging, 10 5 Axial, 54 Axial movement, 15 , 94 Babbitt bearings, 15 7 Bandwidth, 10 1, 10 3, 227 Baseline data, 61 , 12 8, 18 4 Bearing ... 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, 243 Centrifugal compressors, 83,...

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, 243 Turbulent flow, 14 Undamped, 28, 33, 38 Universal joints, 7...

Ngày tải lên: 11/08/2014, 18:20

... machine vibration. 01. Mobley .1- 6 Page 39 Friday, February 5, 19 99 9:44 AM 39 Machine Dynamics Figure 6. 5 Undamped two-degree-of-freedom system with a spring couple. M 1 X ˙˙ 1 + (K 1 + K 3 ... ω n c g c 01. Mobley .1- 6 Page 28 Friday, February 5, 19 99 9:44 AM 28 Vibration Fundamentals Figure 6 .1 Undamped spring-mass system. This lower stiffness gener...

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 V03 0 .13 0 .10 0.002 V04 0 .11 ... movement. In double volute, or multistage, 08.Mobley .13 Page 11 6 Thursday, February 4, 19 99 3 :10 PM 11 6 Vibration Fundamentals Figure 13 .2 Typical cro...

Ngày tải lên: 11/08/2014, 18:21

... Word 2 010 1 Chương 2: Thực hiện định dạng văn bản Định dạng cột, tab, Numbering a. Định dạng cột: Cách thứ nhất: gõ văn bản trước, chia cột sau: - Bước 1: bạn nhập văn ... dừng tab đã đặt Word 2 010 2 Nhấn vào More Columns hiển thị hộp thoại; - Presets : các mẫu chia cột - One – Two – Three : Các cột có độ rộng bằng nhau Word 2 010 7 Nếu bạn ... ngang tr...

Ngày tải lên: 15/12/2013, 05:15

...      ngang PowerPoint 2 010 6  Slide xem trong ch  Black with White Fill PowerPoint 2 010 4 khi v (guides)  ...

Ngày tải lên: 15/12/2013, 06:15

... Because 12 .5% = 1 8 , the question boils down to comparing 13 15 and 15 17 . Adding the same number (such as 2) to both numerator and denominator of a fraction whose value is between 0 and 1 increases ... question would be considered easier than average for the GRE. Column A Column B 12 .5 percent of 13 15 1 8 3 15 17 (A) The quantity in Column A is greater. (B) The quanti...

Ngày tải lên: 24/12/2013, 19:15