Lubrication and Reliability Handbook 2010 Part 6 potx

... mineral oils only A 26 Commissioning lubrication systems A 26. 4 Table 26. 2 Fault finding – total-loss systems A24A guide to piping design A24.7 Table 24.4 Loss coefficients Figure 24 .6 Correction factor ... for flow through curved capillary tubes of bore diameter d and coil diameter D A 26 Commissioning lubrication systems A 26. 2 Running tests and adjustments SYSTEM OPERATION O...

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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. ... sorting, handling and application of lubricants. In arriving at this rationalised list of grades, speeds, tolerances, wear of moving parts and seals create conditions where...

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... in machine operation and maintenance of all kinds of machinery and plant. This Page Intentionally Left Blank

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... additives and contaminants Figure 7.1 Lubricant viscosity for plain bearings A6 Other liquids A6.5 Figure 6. 5 The viscosity of various heavy petroleum products A6 Other liquids A6.3 Figure 6. 3 The ... generalisations, and no account has been taken of the availability and property variations of different viscosity grades in each chemical type. Table 3.1 continued A6Other liquids A6 ....

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... Low. Figure 16. 7 Schematic Figure 16. 8 Pump Figure 16. 9 Flow unit A15 Total loss grease systems A15.2 Considerations in selecting type of system A 16 Total loss oil and fluid grease systems A 16. 1 GENERAL Most ... factor: Low (electric), Medium (pneumatic). Figure 16. 1 Schematic Figure 16. 2 Pump Figure 16. 3 Pumping unit A16Total loss oil and fluid grease systems A 16. 2 Single lin...

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... Selection of heaters and coolers A23.1 Lubricating oil heaters and coolers are available in many different forms. The most common type uses steam or water for heating or cooling the oil, and consists ... Selection of filters and centrifuges A22.1 Figure 22.1 Typical circuit showing positions of various filters Table 22.1 Location and purpose of filter in circuit Table 22.2 Range of...

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... preserve plant and machinery in a condition in which it can operate, and can do so safely and economically. It is the components of plant and machinery which fail individually, and can lead to ... ambient temperature effects are given in Figures 30.3 and 30.4, and examples of asperity temperature effects are given in Figures 30.5 and 30 .6. Bearing materials for high temperat...

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... 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 particles have surface striations as ... Figure 4 .6. Figure 4.5 Signal average plots used to monitor a gear and showing the contribution from each tooth Figure 4 .6 A typical layout of a signal averaging s...

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... motion, often with embedded particles and haloes. Causes Dirt particles in lubricant exceeding the minimum oil film thickness. Foreign matter Characteristics Severe scoring and erosion of bearing ... patterns and analysis B10 .6 Figure 10.7 gives an example for 17 plain thrust bearing failures on three centrifugal air compressors. The ␤ value of 0.7 suggests a combination of early-life...

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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 ... than 16 ␮in (0.4 ␮m) cla. Severe plastic flow in helical gears Heat/load cracking on a worm wheel B15Seal failures B15.5 PACKED GLANDS Table 15 .6 Common failure mechanisms of...

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