Lubrication Fundamentals 2011 Part 15 ppt

... filter out particles of 90 ␮m; some will filter particles as small as 40 ␮m. Paper-edge filters use elements of impregnated cellulose disks or ribbons. Impregnated cellulose disks will filter particles ... efficient usage and waste oil disposal would be the implemen- tation of a lubrication program such as that offered by ExxonMobil. Part of this program would include consultation with Ex...

Ngày tải lên: 11/08/2014, 10:23

... jetted through calibrated orifices to parts requiring lubrica- tion and cooling, including bearings, contact seals, and gears. The oil flows by gravity from these parts to sumps from which it is removed ... Aircraft Gas Turbines The lubrication of aircraft gas turbines adapted for stationary service differs substantially from that of large, heavy-duty industrial gas turbines. The lubricati...

Ngày tải lên: 11/08/2014, 10:23

... do not require relubrication from an external source. Oil lubrication of non–driving wheel bearings is also used to some extent on trucks, trailers, and off-highway equipment. Lubrication with ... these (Figure 15. 11) and antilock braking systems (ABS), which also use these components but are computer-controlled to avoid wheel lockup upon hard braking (Figure 15. 12). Figure 15. 12 An...

Ngày tải lên: 11/08/2014, 10:23

... connect nonparallel, nonintersecting shafts. Keith Mobley /Maintenance Fundamentals Final Proof 15. 6.2004 6:28pm page 415 Glossary 415 E Effective maintenance, 12 Engineering change management, 60 Equipment life, ... bearings, 133 K Key stress calculations, 197 Keys and keyways, 115, 185, 192 Keyway manufacturing tolerances, 196 L Lubrication, 15, 31, 46, 152 , 188, 189, 263 codes, 4...

Ngày tải lên: 11/08/2014, 11:20

... energy The partition function of the real gas or liquid may be written in a form Q = 1 N! exp (−Nβ 0 )q N int  2πmk B T h 2  3 2 N Z . (92) where q int = q rot q vib q el is the partition function ... Ragazas, C. (2011) What is The Matter With de Broglie Waves? knol http://knol.google.com/k/constantinos-ragazas/what-is-the-matter-with-de- broglie-waves/ql47o1qdr604/18# Ragazas, C. (201...

Ngày tải lên: 19/06/2014, 11:20

... industry, especially for those participating in the quest to develop the new lubri- cant molecule for the future. D. M. Pirro A. A. Wessol ACKNOWLEDGMENTS Lubrication Fundamentals: Second Edition, ... among the devices that require lubrication. The millions of automobiles, buses, airplanes, and trains depend on lubrication for operation, and it must be effective lubrication for depend...

Ngày tải lên: 11/08/2014, 10:23

... VG 10 10 9.00 11.0 ISO VG 15 15 13.5 16.5 ISO VG 22 22 19.8 24.2 ISO VG 32 32 28.8 35.2 ISO VG 46 46 41.4 50.6 ISO VG 68 68 61.2 74.8 ISO VG 100 100 90.0 110 ISO VG 150 150 135 165 ISO VG 220 220 ... subjected. Additives are chemical compounds added to lubricating oils to impart specific prop- erties to the finished oils. Some additives impart new and useful properties to the lubricant, s...

Ngày tải lên: 11/08/2014, 10:23

... tempera- ture to which a grease can successfully provide adequate lubrication. Additional factors must be taken into account in high temperature lubrication with grease. It is useful for characterization, ... 45.4 liters Test duration 64 h 288 h 50 h 250 h Rpm 3000 I 2500 800 150 0 1800 II 2500 III 750 Load 50.6 kW 25/25/0.75 kW 2.18 15. 39 kW 258 kW Oil temperature C 149ЊC 68/99/46ЊC45–10...

Ngày tải lên: 11/08/2014, 10:23

... be an important part of the development of EA lubricants. Unlike traditional lubricant development, where the predominant focus is on product performance in equipment, a major part of developing ... high detergent oils (engine oils) have been in service, more attention to flushing is recommended, particularly if vegetable- based EA lubricants will be used. This is due to potential reactio...

Ngày tải lên: 11/08/2014, 10:23

... of 32–68 cSt at 40ЊC (150 – 315 SUS at 100ЊF). To ensure flow to the pump, most hydraulic equipment builders require that the viscosity at start-up temperatures not exceed 151 5 cSt (7000 SUS). Some ... ‘‘elasto’’ part of the term referring to the requirement that elastic deformation of the surfaces occur before the film can be formed. This type of lubrication is called elastohydrodynam...

Ngày tải lên: 11/08/2014, 10:23