Lubrication and Reliability Handbook 2010 Part 14 ppt

... lubrication, A11.1, A11.2, A13.4 Cryogenic temperatures, lubrication, A30.4 Cutting oils, A2.3 Cylinder problems: bore polishing, B14.4 bore scuffing, B14.5 cavitation erosion, B14.5 wear, B14.4, ... A2.2 Splash lubrication, A8.5, A17.1 Spontaneous ignition of oils, A3.1, A3.2 Spray lubrication, A9.1 Steam and gas turbines lubrication, A2.7 Steam engine cylinder lubrication, A2.7 Ste...

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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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... gear units A14 Selection of lubrication systems A14.2 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 A14 Selection of lubrication systems A14.4 Table 14. 7 General selection by component. Operating conditions and environment Selection of gear lubrica...

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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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... 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 B14 Piston and ring failures B14.1 PISTON PROBLEMS Piston problems usually arise from three main causes and these are: 1. Unsatisfactory rubbing conditions betw...

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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 ... vari- able speed control and cooling facilities, are built by specialists in the manufacture or repair of bearings. (ii) Speed and temperature control Rotational speed and pouring...

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... viscosity and other characteristics of the fluid have been omitted from this table, these play a very large and often complicated part in grease perform- ance. Certain bearing manufacturers demand ... 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 plain be...

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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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... Un-run cylinder liner 140 Figure 27.2(b) Run-in cylinder liner ؋ 140 A25 Selection of warning and protection devices A25.1 Satisfactory operation of a centralised recirculatory lubrication system ... control and instrumentation to ensure continuous delivery of the correct volume of clean oil at the design pressure and temperature. Figure 25.1 A basic lubrication system complete w...

Ngày tải lên: 11/08/2014, 10:22