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The
Vibration Monitoring Handbook, by Charles W. Reeves
ISBN: 1 901892 00 X 170+ Pages
Hardback
£39 / $66/Euros 66
plus £4 / $8/ Euros 66p&p
Publication Date: May 1998
An ideal
- and affordable - text for engineers and maintenance professional
with an interest in vibration monitoring. This title does
not attempt to baffle with the technology, but introduces
it at an understandable level, touching on the basic theory
and concepts, available equipment and practical issues relevant
to the engineer as well as highlighting several case studies
with which the reader can relate. Other books in this twelve
title series focus on corrosion, wear debris analysis, thermography,
noise, ultrasonics and oil analysis.
Chapter
One
INTRODUCTION TO VIBRATION MONITORING
1.1
Introduction
1.2 Scope
Chapter
Two
BASIC
CONCEPTS AND THEORY
2.1
Magnitude
2.1.1 Units of measurement
2.2 Frequency content
2.3 Time waveform
2.4 Measurement of vibration
2.4.1 Introduction
2.4.2 Transducers
a. Seismic transducers
b. Relative motion transducers (proximity probes)
2.4.3 Signal conditioning
2.5 Criteria
2.5.1 Externally measured vibration - general machinery
a. Criteria when previous experience is not available
b. Criteria when previous experience is available
2.5.2 Externally measured vibration - gearboxes
a. API criteria
b. Criteria for external vibration on gearboxes using vibration
meters
c. Criteria for external vibration on gearboxes using time
averaging technique
2.5.3 Externally measured vibration - rolling contact bearings
a. Technique measuring rms acceleration
b. Technique using Shock Pulse Method
c. Technique using Envelope analysis
2.5.4 Externally measured vibration - reciprocating machinery
a. American Naval Standard MIL-STD-167
b. ISO standard on reciprocating machines with power ratings
above 100 kW
2.5.5 Shaft vibration relative to the bearing housing
a. API criteria
b. ISO criteria
c. Maximum allowable relative shaft vibrations obtained
from theory
d. Industrial experience
2.6 Summary of techniques
Chapter
Three
PRACTICAL
ISSUES
3.1
Selecting the right parameter
3.2 Problems in simple usage (portable monitoring with vibration
meter or data collector)
3.3 Repeatability (portable monitoring)
3.3.1 Non-repeatability due to machine condition
a. Background vibration
b. Effect of machine speed and load, etc.
c. Variation of signal at nominally constant operating conditions
Time domain averaging Process domain averaging
d. Trending of data
3.3.2 Non-repeatability due to measurement technique
a. Mounting of transducer
b. Temperature effects
c. Spurious low frequency 'Ski-slope' effect
d. Saturation of the conditioning electronics
3.4 Experience with permanent monitors
3.5 Implementation of permanent monitors
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Chapter
Four
EQUIPMENT
AND INSTRUMENTATION
4.1
Portable meters and analysers
4.1.1 Vibration meters for general use
4.1.2 Portable frequency analysers
4.2 Portable data collectors/analysers
4.2.1 Essential features
4.2.2 The Exception Report
4.2.3 Advantages of the Data Collector system
4.2.4 Data Collectors/software features available
4.2.5 Desirable features
4.2.6 Data logger suitable for monitoring rolling contact
bearings using the Shock Pulse Method
4.3 Permanent monitors/on-line data acquisition and analysis
equipment
4.3.1 Description of a permanent monitor
4.3.2 Protection monitors a. Monitors monitoring shaft displacements.
b. Monitors measuring external vibration (general machinery
and gearboxes)
c. Monitors for rolling contact bearings Measuring rms acceleration
Measuring Shock Pulse Measuring the 'Envelope'
4.3.3
Interfaces with on-line data acquisition and analysis equipment
a. Permanent monitor interface with plant Digital Control
System (DCS)
b. Permanent monitor interface with host computer with condition
monitoring software
c. Local monitoring unit interface with host computer with
condition monitoring software
4.4 On-line continuous monitoring systems
Chapter
Five
APPLICATIONS
AND CASE STUDIES
5.1
Applications
5.1.1 Specific industries and machines, where certain techniques
are most appropriate and most often used
5.1.2 Choosing whether to use simple portable monitoring,
data collectors, or permanent on-line monitors
5.1.3 When to use external vibration measurements and when
to use relative shaft vibration
5.2 Case studies
5.2.1 Use of frequency analysis, etc. (Large fan)
5.2.2 Use of frequency analysis, etc. (Food oven fans)
5.2.3 Use of time averaging techniques (Helicopter gearboxes)
5.2.4 Use of shock pulse monitoring (bearings)
a. Fibres plant
b. Chemical plant
5.2.5 Use of the envelope technique (Nuclear reprocessing)
5.2.6 Use of the envelope technique (Paper machinery)
5.2.7 Shaft orbit (high pressure turbine)
5.2.8 Transients (centrifugal compressor)
a. Example of saving
b. The cost
5.2.9 Transients (Power station turbo-generator)
a. Conclusions ???
5.2.10 Amplitude and phase of vibration (Centrifugal blower)
Chapter
Six
BUYERS'
GUIDE
6.1
Companies
6.2 Products
6.3 Services
Chapter
Seven
REFERENCE
7.1
Glossary of terms
7.2 References
Chapter
Eight
INDEX
8.1
Companies
8.2 Authors
8.3 General contents
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