Lubrication and Reliability Handbook 2010 Part 5 pptx
Lubrication and Reliability Handbook 2010 Part 5 pptx
... Selection of heaters and coolersA23.1Lubricating oil heaters and coolers are available in many different forms. The most common type uses steam or waterfor heating or cooling the oil, and consists ... Selection of filters and centrifugesA22.1Figure 22.1 Typical circuit showing positions of various filtersTable 22.1 Location and purpose of filter incircuitTable 22.2 Range of particle sizes which ... methodsA19Circulation systemsA19.4GROUP 2 SYSTEMSThe larger and usually more complex type of oil-circulatory system, used for both lubrication and cooling, falls into twodistinct classes. The first...
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Lubrication and Reliability Handbook 2010 Part 1 pptx
... FIMechE LUBRICATION AND RELIABILITY HANDBOOK A2 Mineral oilsA2.3index of 95 (dynamic viscosity index 93). Figure 2.2shows the difference between 150 Grade ISO 3448 oilswith KVIs of 0 and 95. Viscosity-pressureThe ... inmachine operation and maintenance of all kinds ofmachinery and plant.This Page Intentionally Left Blank...
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Lubrication and Reliability Handbook 2010 Part 2 pps
... binders on rubbers, cellulose on wood and plastics.4 Substrate pretreatment essential. 5 Fluids usually deleterious to life.A5 Solid lubricants and coatingsA5.2C BURNISHED FILMSEffects of operational ... to surfaces and cured to form a ‘bonded coating’, 5 25 mthick. See subsection D.Dispersion in non-volatile fluids – Directly as a lubricating medium, or as an additive to oils and greases. ... and thetype of thickener used in their manufacture. The sectionof this handbook on greases summarises the propertiesof the various types.Additive oils are not required for plain bearinglubrication...
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Lubrication and Reliability Handbook 2010 Part 3 potx
... balls is about 1 .5. Thus 3100 1 .5 = 4 650 rev/min.Factor for vertical mounting is 0. 75. Thus 4 650 0. 75 = 3488 rev/min.This is the maximum speed rating (100%).Now actual speed = 950 rev/min; ... localconditions and environment)A8 Rolling bearing lubrication A8.3Calculation of relubrication intervalThe relubrication period for ball and roller bearings maybe estimated using Figures 8.1 and 8.2. ... given on Figure 11 .5 dam-type coupling with 50 % of rate on Figure 11 .5 sludge holesdam-type coupling without 25% of rate on Figure 11 .5 sludge holesLubricant:Use oil from machine lubrication system...
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Lubrication and Reliability Handbook 2010 Part 4 ppt
... A15Total loss grease systemsA 15. 5CONSIDERATIONS IN STORING, PUMPING AND TRANSMITTING GREASE AND GENERALDESIGN OF SYSTEMSA15Total loss grease systemsA 15. 3PIPE-FLOW CALCULATIONSTo ... 12 .5 m/s ( 250 0 ft/min) peripheral speed.Typical single reduction bevel gear unitSuitable for up to 12 .5 m/s ( 250 0 ft/min).Typical high-speed gear unit guardNormally satisfactory up to 25 m/s ... All types of light to medium sized manu-facturing plant and commercial vehicles.Specification:Outlets: 1 50 0 (0.0 05 1 .5 ml).Pressure: 2 5 MN/m2.Lubricants: 20 cSt oil to NLGI 000 grease.Failure...
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Lubrication and Reliability Handbook 2010 Part 6 potx
... the design pressure and temperature.Figure 25. 1 A basic lubrication system complete with warning and protection devicesTable 25. 1 The function of each major system component and the device required ... cylinder liner ؋ 140A 25 Selection of warning and protection devicesA 25. 1Satisfactory operation of a centralised recirculatory lubrication system requires adequate control and instrumentationto ... 26.1 Fault finding – circulation systemsA25Selection of warning and protection devicesA 25. 2Table 25. 1 The function of each major system component and the device required to provide theinformation...
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Lubrication and Reliability Handbook 2010 Part 7 doc
... preserve plant and machinery in a condition in which it can operate, and can do sosafely and economically.It is the components of plant and machinery which fail individually, and can lead to ... activityTable 2 .5 Problems which can ariseA31Chemical effectsA31.3A29 High pressure and vacuumA29.4Loss of surface films in high vacuumSurface contaminant films of soaps, oils and water, etc., and ... of ambient temperature effects are given in Figures 30.3 and 30.4, and examples of asperity temperatureeffects are given in Figures 30 .5 and 30.6.Bearing materials for high temperature useWhen...
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Lubrication and Reliability Handbook 2010 Part 8 pps
... surface. Particles may range in size from 2 5 mwide and 25 to 100 m long.B5Wear debris analysisB5.1In wear debris analysis machine lubricants are monitored for the presence of particles ... corresponding to various components and problemsB5 Wear debris analysisB5.6Severe sliding wearSevere sliding wear particles range in size from 20 m and larger. Some of these particles have surface striationsas ... of measuring temperatures and the limits that can be accepted.B5Wear debris analysisB5.9LUBRICANT ANALYSISTable 5. 6 Off-line lubricant analysis techniquesTable 5. 7 Analysis techniques for...
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Lubrication and Reliability Handbook 2010 Part 9 ppsx
... motion,often with embedded particles and haloes.CausesDirt particles in lubricant exceeding the minimum oilfilm thickness.Foreign matterCharacteristicsSevere scoring and erosion of bearing ... change and con-sequential down-time in associated operations.3 Direct labour and power costs of change.4 Disposal costs of spoiled oil or emulsion. 5 Deterioration of product performance particularly:(a) ... Wear and corrosion of production machinery, blockedpipe-lines, valve and pump failure.8 Staff problems due to smell and possibly health.ANTI-MICROBIAL MEASURESThese may involve:1 Cleaning and...
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Lubrication and Reliability Handbook 2010 Part 10 ppt
... crown and ring land damageCharacteristicsThe crown may show cracking and the crown land and lands between the rings may show major distortion, oftenwith the ring ends digging in to the lands.CausesMajor ... helical gearsHeat/load cracking on a worm wheelB15Seal failuresB 15. 5PACKED GLANDSTable 15. 6 Common failure mechanisms of packed glandsFigure 15. 10 Soft packing rings after use.Left: normal ... housing and shaftFigure 15. 11 Packed gland showing abnormalleakage outside the gland followerFigure 15. 12 Packed gland showing unevencompression due to incorrect installationFigure 15. 13 Severe...
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