Lubrication and Reliability Handbook 2010 Part 9 ppsx
Lubrication and Reliability Handbook 2010 Part 9 ppsx
... 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 ... Wear and corrosion of production machinery, blocked
pipe-lines, valve and pump failure.
8 Staff problems due to smell and possibly health.
ANTI-MICROBIAL MEASURES
These may involve:
1 C...
Lubrication and Reliability Handbook 2010 Part 1 pptx
... 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 3448 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
Lubrication and Reliability Handbook 2010 Part 2 pps
... 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...
Lubrication and Reliability Handbook 2010 Part 3 potx
... hydroxystearate
grease with speed and temperature
A9 Gear and roller chain lubrication
A9.2
AUTOMOTIVE LUBRICANTS
SAE classification of transmission and axle
lubricants
These values are approximate and are given ... local
conditions and environment)
A8 Rolling bearing lubrication
A8.3
Calculation of relubrication interval
The relubrication period for ball and roller bearings m...
Lubrication and Reliability Handbook 2010 Part 4 ppt
... mounting unit and connecting electrical wiring. Avoid
sharp bends and downloops in all pipework. Consult BS
4807: 199 1 ‘Recommendations for Centralised Lubrica-
tion as Applied to Plant and Mechinery’ ... reservoir
and interconnecting pipework
Figure 19. 2 Multi-point lubricators
mounted on receiving tank –
system has the advantage of
providing setting time and better
filtration of...
Lubrication and Reliability Handbook 2010 Part 5 pptx
... source, e.g. large air fans.
Figure 19. 5
Figure 19. 6
Figure 19. 7
Figure 19. 8
A 19 Circulation systems
A 19. 5
CONTROL OF LUBRICANT QUANTITIES
The quantity fed to the lubrication point can be controlled ... 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
A 19 Circulation s...
Lubrication and Reliability Handbook 2010 Part 6 potx
... plain journal bearings
A29High pressure and vacuum
A 29. 1
PRESSURE
Effect of pressure on lubricants
Figure 29. 1 Effect of pressure on viscosity of HVI
paraffinic oils
Figure 29. 2 Effect of pressure ... the design pressure and temperature.
Figure 25.1 A basic lubrication system complete with warning and protection devices
Table 25.1 The function of each major system component and...
Lubrication and Reliability Handbook 2010 Part 7 doc
... arise
A31Chemical effects
A31.3
A 29 High pressure and vacuum
A 29. 4
Loss of surface films in high vacuum
Surface contaminant films of soaps, oils and water, etc.,
and surface layers of oxides, etc., ... region characterised by metallic debris
Table 30.2
A29High pressure and vacuum
A 29. 3
VACUUM
Lubricant loss by evaporation
Table 29. 1 Lubricants and coatings which have been use...
Lubrication and Reliability Handbook 2010 Part 8 pps
... 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 ... displacement and
frequency and is thus likely to relate to fatigue stresses.
The normal procedure is to measure the vertical,
horizontal and axial vibration of a bea...
Lubrication and Reliability Handbook 2010 Part 10 ppt
... 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 ... due to
excessive clearance between housing and shaft
Figure 15.11 Packed gland showing abnormal
leakage outside the gland follower
Figure 15.12 Packed gland showing uneven
com...
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