Machinery Components Maintenance And Repair Episode 2 Part 7 pdf

... addition s r ′ 2 = s r 2 –3s m 2 =(s 1 2 + s 2 2 + s 3 2 ) – 3s m 2 (A1.5) After substituting for s m from equation (A1.1), 3s r ′ 2 =(s 1 – s 2 ) 2 +(s 2 – s 3 ) 2 +(s 3 – s 1 ) 2 (A1.6) The yield ... stresses: 1 s – 2 =— [ (s 1 – s 2 ) 2 +(s 2 – s 3 ) 2 +(s 3 – s 1 ) 2 ] = Y 2 or 3k 2 (A1 .7) 2 330 Appendix 1 Fig. A1 .2 Geometrical representatio...

Ngày tải lên: 21/07/2014, 17:20

... lubricant. I I r I I I I I I Torque =22 .6*(1 -cos (2& apos;pi'Pt)) /2 N-m =20 0'( 1 -cos (2& apos;pi'f9)) /2 Ib-in - f=100 HZ Figure 9. 37 The heat flux at four key points under ... -2W'(l-~s (2& apos;pi~f't)) /2 lb-in Frea=lSOHz 5- 4- - (v E g3 - 3 c Is I" 2- 1- 0- 0.3 0 .25 'T 3 5 0.15 9 0 .2 !E 2 c...

Ngày tải lên: 05/08/2014, 09:20

... gear. The particle counts are classified into groups according to ISO 4406 and the figures are Particles per 100 ml 500000 25 0000 130000 64000 320 00 16000 8000 4000 20 00 1000 500 25 0 130 64 32 to to to to to to to to to to to to to to to 1000000 500000 25 0000 130000 64000 320 00 16000 8000 4000 20 00 1000 500 25 0 130 64 Group 20 19 18 17 16 15 14 13 12 11 10 9...

Ngày tải lên: 05/08/2014, 09:20

... 0 .22 W/°F 0 .22 W/°F 0.186W/°F (0 .21 3W/°F) Precision ±0.1°F ±0.1°F ±0.1°F Accuracy ±0.5°F standard ±0.5°F standard ±0.5°F standard ±0 .2 F special ±0 .2 F special ±0 .2 F special Response: bare 20 s ... Varies with units Linearity 70 .1°C/50°C span 70 .1°C/50°C span Exponential Range -4 52. 2 to -29 7. 3 to -100 to 500°F 1,168.3°F 1,950°F ( -75 to 26 0°C) ( -26 9 to (-1 82. 96 to 630...

Ngày tải lên: 21/07/2014, 16:22

... c c 2 ⎛ ⎜ ⎝ ⎞ ⎟ ⎠ 1 2 w 2 w 1 − () c 2c 3 ⎛ ⎜ ⎝ ⎞ ⎟ ⎠ − a a 2 c 2 + F BC c () + 0= F BC w 1 c 2 2 w 2 w 1 − () c 2 3 + ⎡ ⎢ ⎣ ⎤ ⎥ ⎦ a 2 c 2 + ac = F BC 26 00 N= + → Σ F x = 0; A x c a 2 c 2 + ⎛ ⎜ ⎝ ⎞ ⎟ ⎠ F BC = ... )cos θ 2 () b sin θ 2 () − a 2 b 2 + ⎡ ⎢ ⎢ ⎣ ⎤ ⎥ ⎥ ⎦ = N B 59.8 lb= Σ F V = 0; V B Fb a 2 b 2 + ⎛ ⎜ ⎝ ⎞ ⎟ ⎠ cos θ 2 () + Fa a 2 b 2 + ⎛...

Ngày tải lên: 21/07/2014, 17:20

... replacement spare parts at a minimum cost, a central data processing system has been established. As parts are 28 Machinery Component Maintenance and Repair Chapter 2 Maintenance Organization and Control ... change involves a com- puter. Communication, participation, involvement, and training all must 22 Machinery Component Maintenance and Repair Foreword A machiner...

Ngày tải lên: 17/10/2013, 12:15

... multi-plant corporations. Maintenance Organization and Control for Multi-Plant Corporations 31 36 Machinery Component Maintenance and Repair Figure 2- 4. Typical worklist page for major compressor turnaround. Machinery ... efficiencies and intercooler perfor- 30 Machinery Component Maintenance and Repair Among other duties, the T/A coordinator screens and approves th...

Ngày tải lên: 19/10/2013, 19:15