Improving Machinery Reliability 3 Episode 2 ppsx

... UX -2 = UNIREX -2 GG = Grease Gun T - 32 = Teresstic - 32 GC = Grease Central G-90 = Gear Oil-90 BO = Bottle Oiler SY - 32 = Synesstic - 32 CI = Circulating System Figure 1 -34 . ... could be safely accom- Original 1 2 34 Upraled New 1 2 3 Figure 1- 12. Compressor uprate through downward movement of stages. 36 Improving Machinery Reliability...

Ngày tải lên: 13/08/2014, 09:20

... Safety 1 0 - 73, 899 - 73, 899 0 Nil 2 2,6 72 -70,8 73 - 73, 545 35 4 Nil 3 8 ,2 83 25 9,545 25 1 ,26 2 32 516 1 Nil 4 13, 360 27 8 ,28 4 26 4, 924 33 8,8 23 Nil 5 16,700 29 7,0 63 28 0 ,36 3 35 4 ,26 1 Nil ... @ 20 % return over 5 years) C, = (28 ,500)*(0 .33 4) = $ 93 19 Total saving calculations: TSi = Rl +PI, + El = -30 ,6 12 + 0 +...

Ngày tải lên: 13/08/2014, 09:20

... unloaded pads. 4 1 6 7 8 # 10 11 12 13 14 16 16 17 18 IO m 2% 22 23 24 25 2s 27 28 20 Jo 31 32 33 3 35 36 37 30 30 40 41 42 a u 45 48 4I 48 40 M (ALL ... Specificatiori 7 1 2 3 4 I e 10 11 12 13 I4 15 16 17 16 ! 23 24 21 2( 21 21 2( 3( 31 3; 3: 3r 3! 24 3i 31 31 41 4 4; 4 4! 41 4 4 PAG...

Ngày tải lên: 13/08/2014, 09:20

... 26 .26 5 6. 120 26 . 720 5.714 27 .27 9 5.461 27 .9 63 5 . 32 0 28 .8 03 5 .26 9 29 .8 42 5 .29 1 31 .144 5 .37 5 32 .8 13 5.5 02 35 . 020 5.659 38 .078 5.875 42. 625 6. 23 3 50 .24 8 7. 020 66. 733 (table continued ... 7 .25 4 5 .22 7 4.1 62 6.964 4 .34 3 3. 5 03 6.9 18 3. 607 2. 956 7.0 72 3. 0 02 2. 486 7.409 2. 489 2. 0 72 7. 935 2, 045 I .70...

Ngày tải lên: 13/08/2014, 09:20

... All causes 22 % 21 % 13% 8% 6% 6% 3% 1% 20 % I 22 4 28 110 22 48 20 0 35 0 I0 .44 . 42 .26 .I6 . 12 .I2 .06 . 02 .40 100% 2. 00 54 2 7 18 3 6 12 7 28 I37 hours - ... Other causes Total 38 2 - 1 53 83 13 22 60 2 13 18 22 38 6 - Muchirzevy Reliability Audits arid Reviews 151 ble-flow impeller is used, developin...

Ngày tải lên: 13/08/2014, 09:20

... pentiissioti. Machinery Reliability Audits and Reviews 191 IT UI 3 Z 40.000 v) 0) $ 30 .000 k- 0) a 0 z g 50,000 b 20 ,000 3 15,000 22 0 24 0 26 0 28 0 30 0 32 0 34 0 36 0 50 52 54 ... 1.1 03 26 ,2 93 Vendor B Prouoses: P,, = 13, 20 0 hp np = 8,087 rpm d = 8.77 in. F = 18 .25 in. HG = 36 2 Bhn minimum - 4.5 12 m,=...

Ngày tải lên: 13/08/2014, 09:20

... 1 73 lb-in. Mtotal = -,/ (25 , 025 )2 + ( 52, 000 + 1 73) ’ Mtota! = 57,864 lb-in. = 6,4 72 psi (57,864) (2. 25) 64 0, = (n:) (4.514 = 770 psi (1 73, 25 0) (0. 03) (4.5) n: (2. 25 )2 ... Figure 3- 82) . The stress concentration factor for our sample keyway is 2. 9 (obtained from Figure 3- 84). 43 Figure 3- 82. Steam-turbine shaft dimensions. 23 6...

Ngày tải lên: 13/08/2014, 09:20

... 5.94 18 12 ,37 0 1 02, 900 0 2, 0 82 17 ,31 7 19 ,39 9 26 7, 024 26 7. 024 9.16 4 3, 700 1 02, 900 49,700 404 11, 23 3 11, 637 160,18 1 20 9.881 13. 74 4 3, 700 1 02, 900 7 1,870 26 9 7,489 ... 91 101 111 121 131 141 151 161 171 181 191 20 Presenlvalve olUSSl.OOI 1.0010.89( 0601 0.71I0.Bl~0.57l0.51~0.45~040~0 .36 ~0 . 32 ~0 .29 ~0 .26 ~0. 23 ~ 020 ~0.1~~0....

Ngày tải lên: 13/08/2014, 09:20

... 45 022 22 8 100 5 178 Shaft 22 00455 10 100 t 45 Impeller 16 00 625 8 100 5 50 Housing 22 00455 14 100 s 64 PumpBeanngs 6 01667 8 100 t 133 Motom 12 00 833 8 100 ... oversizing. 30 6 Improving Machinery Reliability Lie Cycle Cost versus System Effectiveness 02 0 .25 0 .3 0 .35 0.4 0.45 I -50000 -100000 0 s -150000 -20 0000...

Ngày tải lên: 13/08/2014, 09:20

... turbines Combustors Compressor rotor 3 2 2 2 1 1 2 2 5 3 2 2 1 1 2 2 2 4 3 3 2 2 5 4 4 4 3 2 2 2 3 2 4 1 2 I 3 2 3 1 2 3 2 full set full spare full spare ... reservoir. n Oil-mist pressure 20 " -30 " H,O. 0 Oil Temperature-9S"F- 125 °F. (checklist continued on nextpage) 35 0 Improving M...

Ngày tải lên: 13/08/2014, 09:20