Lubrication and Reliability Handbook 2010 Part 1 pptx

... Gears and roller chains A10 Wire ropes A 11 Flexible couplings A12 Slides A13 Lubricant selection Lubrication systems A14 Selection of lubrication systems A15 Total loss grease systems A16 Total ... bearings B13 Gears B14 Pistons and rings B15 Seals B16 Brakes and clutches B17 Wire ropes B18 Fretting of surfaces B19 Wear mechanisms Component repair B20 Repair of worn surfaces B 21...

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... separate unit Figure 19 .10 A 21 Selection of oil pumps A 21. 1 Table 21. 1 System factors affecting choice of pump type Figure 21. 1 Definition of pump heads A22 Selection of filters and centrifuges A22.3 In ... fittings and directional changes. The layout of a typical pressure control station is shown above. Figure 19 .13 Typical flow ratios Figure 19 .14 Figure 19 .15 A19 Circu...

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... rates. For this emulsion the viscosity will decrease by 10 % at shear rates of about 3000 s 1 and by 20% at shear rates of about 10 000 s 1 . Figure 6.6 The viscosity of various water-based mixtures ... and the type of thickener used in their manufacture. The section of this handbook on greases summarises the properties of the various types. Additive oils are not required for pla...

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... is illustrated below, Figure 13 .1. Table 13 .1 A convenient standardised code to describe the method of lubricant application Figure 13 .1 A 11 Lubrication of flexible couplings A 11. 1 FILLED COUPLINGS (GEAR, ... Figure 11 .5 sludge holes Lubricant: Use oil from machine lubrication system (VG32, VG46 or VG68) Figure 11 .2 Dam-type coupling Figure 11 .3 Dam-type coupling with a...

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... 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 by heat removal A14 Selection of lubrication systems A14.4 Table 14 .7 ... on machine start up?Figure 16 .10 Schematic A15Total loss grease systems A15 .1 TYPES OF TOTAL LOSS GREASE SYSTEMS AVAILABLE A18 Dip, splash systems A18 .1 SPUR, BEVEL A...

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... in Table 26 .1. FAULT FINDING Table 26 .1 Fault finding – circulation systems A25Selection of warning and protection devices A25.2 Table 25 .1 The function of each major system component and the device ... Un-run cylinder liner 14 0 Figure 27.2(b) Run-in cylinder liner ؋ 14 0 A25 Selection of warning and protection devices A25 .1 Satisfactory operation of a centralised recirculator...

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... lubricant, as given in Table 30 .1. Figure 30 .1 Figure 30.2 Table 30 .1 A 31 Chemical effects A 31. 2 A30 High and low temperatures A30.2 Dry wear When oil, grease or solid lubrication is not possible, ... cryogenic temperatures B1Maintenance methods B1 .1 The purpose of maintenance is to preserve plant and machinery in a condition in which it can operate, and can do so safely...

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... components inside the machine. Table 4 .1 The generation and transmission of vibration Figure 4 .1 Vibration measurements on machines B6 Lubricant change periods and tests B6.3 LABORATORY TESTS FOR ... corresponding to various components and problems B5 Wear debris analysis B5.6 Severe sliding wear Severe sliding wear particles range in size from 20 ␮m and larger. Some of these part...

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... failure rate curve Table 10 .1 Values of the cumulative per cent failure F(t) for the individual failures in a range of sample sizes B10Failure patterns and analysis B10.5 Figure 10 .6 gives an example ... low value of L 10 Life (2500 hours) identified excessive load as the cause of failure. Figure 10 .6 Thrust rolling bearing failures on extruder gearboxes B 11 Plain bearing failure...

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... shaft Figure 15 .11 Packed gland showing abnormal leakage outside the gland follower Figure 15 .12 Packed gland showing uneven compression due to incorrect installation Figure 15 .13 Severe wear ... helical gear B14 Piston and ring failures B14 .1 PISTON PROBLEMS Piston problems usually arise from three main causes and these are: 1. Unsatisfactory rubbing conditions between the pisto...

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