Lubrication and Reliability Handbook 2010 Part 4 ppt

... gear units A 14 Selection of lubrication systems A 14. 2 METHODS OF SELECTION Table 14. 1 Oil systems Table 14. 2 Grease systems Table 14. 3 Relative merits of grease and oil systems Table 14. 4 Selection ... Selection by heat removal A 14 Selection of lubrication systems A 14. 4 Table 14. 7 General selection by component. Operating conditions and environment Selection of gear lubr...

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... FIMechE LUBRICATION AND RELIABILITY HANDBOOK A2 Mineral oils A2.3 index of 95 (dynamic viscosity index 93). Figure 2.2 shows the difference between 150 Grade ISO 344 8 oils with KVIs of 0 and 95. Viscosity-pressure The ... in machine operation and maintenance of all kinds of machinery and plant. This Page Intentionally Left Blank

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... be used to determine the hot fresh-water requirement: A24A guide to piping design A 24. 1 Figure 24. 1 Typical lubrication system Table 24. 1 Selection of pipe materials A21 Selection of oil pumps A21.3 Table ... guide to piping design A 24. 3 Table 24. 3 Pipe sizes and pressure-drop calculations A22Selection of filters and centrifuges A22.2 PRESSURE FILTERS Pressure filter specificatio...

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... crown and ring land damage Characteristics The crown may show cracking and the crown land and lands between the rings may show major distortion, often with the ring ends digging in to the lands. Causes Major ... helical gear B 14 Piston and ring failures B 14. 1 PISTON PROBLEMS Piston problems usually arise from three main causes and these are: 1. Unsatisfactory rubbing conditions...

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... wear. Causes Overheating and unsuitable friction material. Band crushing* Characteristics Loss of friction material at the ends of a band in a band clutch. Usually results in grooving and excessive wear ... member. Causes Crushing and excessive wear of the friction material owing to the high loads developed at the ends of a band of a positive servo band clutch. Burst failure Characteris...

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... when coarse material tears off sizeable particles from wearing surfaces. This normally involves high imposed stresses and is most often encoun- tered when handling large lumps. High-stress abrasion This ... in Table 21.1. Table 21 .4 Cast irons B22 Repair of plain bearings B22.3 (b) Centrifugal lining This method is to be preferred if size and shape of bearing are suitable, and if econ...

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... B4.2 overall level, B4.2, B4.3, B4 .4 shock pulse monitoring, B4.2 signal averaging, B4.2, B4.6 signal generation, B4.1 signal transmission, B4.2 spectral analysis, B4.2, B4 .4 Viscosity index, A2.1 Viscosity ... B12 .4 roller breakage, B12.3 uneven wear, B12.3 washboard marking, B12 .4 Rolling bearing lubrication: lubricants, A1.1, A4 .4, A8.1, A8.2 lubrication systems, A 14. 4, A17....

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... synthetic oils are included. Table 3.1 A4 Greases A4.2 Table 4. 2 Grease containing esters Table 4. 3 Grease containing silicones A5 Solid lubricants and coatings A5 .4 Preparation of coatings Specifications ... for some common liquids and for some of the more important process fluids. Figure 6.1 The viscosity of water at various temperatures and pressures A4 Greases A4 .4 Table 4....

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... local conditions and environment) A8 Rolling bearing lubrication A8.3 Calculation of relubrication interval The relubrication period for ball and roller bearings may be estimated using Figures 8.1 and 8.2. ... grease and oil lubrication Table 8.2 The effect of the method of application on the choice of a suitable grade of grease A13 Lubricant selection A13 .4 Table 13 .4 Some fa...

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... of LVI naphthenic oils A24A guide to piping design A 24. 5 Figure 24. 4 Pressure losses per unit length in pipes (Re < 2000) A 24 A guide to piping design A 24. 4 Figure 24. 2 Nomogram for determination ... 24. 3 Viscosity correction factor, X, for mineral oils only A26 Commissioning lubrication systems A26 .4 Table 26.2 Fault finding – total-loss systems A24A guide to piping design A...

Ngày tải lên: 11/08/2014, 10:22