Maintenance Fundamentals Episode 2 part 12 pdf

... data: h2 = 0.000 6in. , m = 0.000 9in. /in. , 18 spm, SAE 5 oil, 25 °C. at four different instances in time, as indicated by (a), (b), (c), and (d) in Fig. 13 .20 . The corresponding instantaneous ... 10 15 20 SpHd (in/ s) Figure 13 .24 m = 0.001 1 in. /in. , SAE 20 oil, 25 °C. Pressure-speed characteristic of slider bearing: h2 = 0.0010 in. , st...

Ngày tải lên: 05/08/2014, 09:20

... Effect of surface coatings on the load-carrying capacity of steel, Lubr. Eng., 19, 28 , 1963. 42. Tilly, G. P., Sand erosion of metals and plastics, Wear, 14, 24 1, 1969. 644 CRC Handbook of Lubrication Copyright ... treatment, Tribol. Int., 11 (2) , 139, 1978. 37. Elliot, T. L., Surface hardening, Tribol. Int., 11 (2) , 121 , 1978. 38. ASM Committee Case hardening of steel...

Ngày tải lên: 05/08/2014, 09:20

Ngày tải lên: 05/08/2014, 11:20

Ngày tải lên: 05/08/2014, 11:20

... 24) ( 12 )] 2 16 H 2 ẳ (R 4 L 4 ) (R 2 L 2 ) 2 ỵ H 1 ẳ [( ỵ 6) ( 14 )] [( 22) ( 26) ] 2 ỵ ( 16 ) ẳ22 N f ẳ H 2 D 2 D 1 H 1 ẳ ( 22) ( 12 ) 8 ( 16 ) 17 F f ẳ H 2 D 3 D 1 H 1 ẳ ( 22) ... /Maintenance Fundamentals Final Proof 15 .6. 2004 4:57pm page 11 0 11 0 Maintenance Fundamentals V 1 ẳ B 3 B 1 2 ẳ ( 10 ) ( ỵ 36) 2 ẳ23 V 2 ẳ B 4 B 2 2 ỵ V 1 ẳ ( ỵ 20) (...

Ngày tải lên: 05/08/2014, 12:20

... is shown in Figure 10 .13 . Figure 10 .10 Typical elastomeric couplings. Keith Mobley /Maintenance Fundamentals Final Proof 15 .6.2004 7:35pm page 18 1 Couplings 18 1 Figure 10 .16 shows various key ... single-flex Figure 10 .11 Typical metallic-grid couplings. Figure 10 .12 Typical floating-shaft or spacer couplings. Keith Mobley /Maintenance Fundamentals Final Proof 15 ....

Ngày tải lên: 05/08/2014, 12:20

... 9- 1 ⁄ 2 857 1- 1 ⁄ 2 3.38 5- 1 ⁄ 2 16 6.4 10 10 00 1- 3 ⁄ 4 5.36 5- 3 ⁄ 4 19 0 .1 10- 1 ⁄ 2 11 57 2 8.00 6 21 6 11 13 31 2- 1 ⁄ 4 11 .39 6- 1 ⁄ 4 24 4 11 - 1 ⁄ 2 1 520 2- 1 ⁄ 2 15 .63 6- 1 ⁄ 2 275 12 1 728 2- 3 ⁄ 4 20 .80 ... 7- 1 ⁄ 2 00 1- 3 ⁄ 4 5 ⁄ 8 1- 3 ⁄ 4 Â 1 ⁄ 4 7- 9 ⁄ 16 to 9 00 2 3 ⁄ 4 2 Â 1- 3 ⁄ 4 9- 1...

Ngày tải lên: 05/08/2014, 12:20

... symmetrical. FREQUENCY GEARMESH AMPLITUDE Figure 11. 32 Wear or excessive clearance changes side band spacing. Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 7:38pm page 22 2 22 2 Maintenance Fundamentals In addition ... gears are properly installed. Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 7:38pm page 22 6 22 6 Maintenance Fundamentals...

Ngày tải lên: 05/08/2014, 12:20

... atmosphere of pressure, the error Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 7:42pm page 23 6 23 6 Maintenance Fundamentals within a 120 -degree arc, this type of compressor generates higher ... 12. 8 Liquid-seal ring rotary air compressor. Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 7:42pm page 24 2 24 2 Maintenance Fundamentals betwe...

Ngày tải lên: 05/08/2014, 12:20

... compressor’s cylinders or casing out of alignment. Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 7 :42 pm page 25 4 25 4 Maintenance Fundamentals 13 CONTROL VALVES Control valves can be grouped ... In part, the increased level of vibration is caused by the impact as each piston reaches top dead center and Keith Mobley /Maintenance Fundamentals Final Proof 15...

Ngày tải lên: 05/08/2014, 12:20

... Strand (Inches) 12X6 0.40 60 31 .5 4.0 15X6 0.49 73 41 .5 5.0 18X6 0 .56 84 5. 0 6.0 24 X8 1.16 174 10.0 30X10 1.60 24 0 14.0 36X 12 2.40 360 16.0 Keith Mobley /Maintenance Fundamentals Final Proof 15. 6 .20 04 5: 58pm ... Applications Inclination, degrees 10 15 20 25 30 35 Reduction in capacity, % 10 26 45 58 70 78 Keith Mobley /Maintenance Fundamentals Final Proof 15. 6 ....

Ngày tải lên: 05/08/2014, 12:20

... Mobley /Maintenance Fundamentals Final Proof 15 .6 .20 04 6: 02pm page 3 06 3 06 Maintenance Fundamentals Table 15 .2 Air-Density Ratios Keith Mobley /Maintenance Fundamentals Final Proof 15 .6 .20 04 6: 02pm ... Mobley /Maintenance Fundamentals Final Proof 15 .6 .20 04 5:58pm page 29 8 29 8 Maintenance Fundamentals 0.4 0 .6 0.8 1.0 1 .2 1.4 1 .6 1.8 CFM, THOUSAN...

Ngày tải lên: 05/08/2014, 12:20

... rate. A vendor Figure 17. 1 Centrifugal pump. Figure 17 .2 Single and double volute. Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 6:12pm page 3 32 3 32 Maintenance Fundamentals 16 DUST ... finer particles) following eddy current Figure 16 .2 Flow pattern through a typical cyclone separator. Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 6:07pm...

Ngày tải lên: 05/08/2014, 12:20

... fixed volume of fluid for each Figure 17 .21 Lobe-type pump. Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 6:12pm page 3 52 3 52 Maintenance Fundamentals Protection Positive-displacement ... by the characteristic curve for the pump. Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 6:12pm page 3 42 3 42 Maintenance Fundamentals Impellers Impellers...

Ngày tải lên: 05/08/2014, 12:20

... instability, 3 12 Alignment, 71, 74 Anti-friction bearings, 138 Availability, 6 Axial fans, 300 B Backlash, 21 2, 22 5 Baghouses, 317, 328 Balancing, 119 standards, 122 Ball valves, 26 6 Bearings, 125 , 26 1 failures, ... /Maintenance Fundamentals Final Proof 15.6 .20 04 6 :28 pm page 415 Glossary 415 Precision balancing, 40 Predictive maintenance, 19, 35 Preventive maintenanc...

Ngày tải lên: 05/08/2014, 12:20