Basic Machinery Vibrations

Basic Machinery Vibrations
اسم المؤلف
Ronald L. Eshleman, Judith Nagle-Eshleman
التاريخ
12 نوفمبر 2017
المشاهدات
التقييم
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Basic Machinery Vibrations
An Introduction to Machine Testing, Analysis, and Monitoring with SI Units
Ronald L. Eshleman, Ph.D., P.E.
Director, Vibration Institute
Judith Nagle-Eshleman, Ph.D.
Secretary-Treasurer, Vibration Institute
Chapter I: Basic Machinery Vibrations
The Physical Nature of Vibration
Vibratory Motion
Measures
Vibration Measurement
Phase Measurement
Vibration Analysis
Excitation
Natural Frequencies, Mode Shapes, and Critical Speeds
Summary of Basic Vibrations
Chapter II: Data Acquisition
Selecting a Measure
Vibration Transducers
Triggering Devices
Transducer Selection
Transducer Mounting
Transducer Location
Frequency Spans
Data Display
Summary of Data Acquisition
References
Chapter IB: Data Processing
Oscilloscopes
FFT Analyzer
Electronic Data Collector
Data Sampling
Aliasing
Windowing
Dynamic Range
Averaging
Setup of FFT Analyzer and Data Collector
Summary of Data Processing
Reference
Chapter IV: Fault Diagnosis
Fault Diagnosis Techniques
Operating Speed Faults
Rolling Element Bearings
Gearboxes
Electric Motors
Centrifugal and Axial Machines
Pumps
Fans
Compressors
Summary of Fault Diagnosis
References
Chapter V: Machine Condition Evaluation
Shaft Vibration
Bearing Vibration
Casing Vibration
Summary-of Machine ConditionTwaktariotr
References
Chapter VI: Machine Testing
Test Plans
Selection of Test Equipment
Site Inspection
Acceptance Tests
Baseline Tests
Resonance and Critical Speed Testing
Fault, Condition, and Balance Tests
Specifications
Environment and Mounting
Presentation of Data
Reports
Summary of Machine Testing
References
Chapter VII: Periodic Monitoring
Listing and Categorization
Machinery Knowledge
Route Selection and Definition
Measures and Measurement Points
Baseline Data
Frequency of Data Collection
Selection of Test Equipment
Screening
Trending
Alarms
Reports
Summary of Periodic Monitoring
References
Chapter VIII; Basic Balancing of Rotating Machinery
Types of Unbalance
Balancing Equipment
Prebalancing Checks
Measurements
Relationship Between Mass Unbalance and Phase
Trial Weight Selection
Balancing Pitfalls
VectonMethod with Trial Weight
Weight Splitting and Consolidation
Acceptable Vibration Levels
Summary of Basic Balancing of Rotating Machinery
References
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