Machinery Condition Monitoring - Amiya Ranjan Mohanty

Machinery Condition Monitoring

Principles and Practices
Buch | Hardcover

CRC Press (Verlag)
978-1-138-58321-4 (ISBN)
143,40 inkl. MwSt
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Find the Fault in the Machines





Drawing on the author's more than two decades of experience with machinery condition monitoring and consulting for industries in India and abroad, Machinery Condition Monitoring: Principles and Practices introduces the practicing engineer to the techniques used to effectively detect and diagnose faults in machines. Providing the working principle behind the instruments, the important elements of machines as well as the technique to understand their conditions, this text presents every available method of machine fault detection occurring in machines in general, and rotating machines in particular.





A Single-Source Solution for Practice Machinery Conditioning Monitoring





Since vibration is one of the most widely used fault detection techniques, the book offers an assessment of vibration analysis and rotor-dynamics. It also covers the techniques of wear and debris analysis, and motor current signature analysis to detect faults in rotating mechanical systems as well as thermography, the nondestructive test NDT techniques (ultrasonics and radiography), and additional methods. The author includes relevant case studies from his own experience spanning over the past 20 years, and detailing practical fault diagnosis exercises involving various industries ranging from steel and cement plants to gas turbine driven frigates. While mathematics is kept to a minimum, he also provides worked examples and MATLAB (R) codes.





This book contains 15 chapters and provides topical information that includes:







A brief overview of the maintenance techniques
Fundamentals of machinery vibration and rotor dynamics
Basics of signal processing and instrumentation, which are essential for monitoring the health of machines
Requirements of vibration monitoring and noise monitoring
Electrical machinery faults
Thermography for condition monitoring
Techniques of wear debris analysis and some of the nondestructive test (NDT) techniques for condition monitoring like ultrasonics and radiography
Machine tool condition monitoring
Engineering failure analysis
Several case studies, mostly on failure analysis, from the author's consulting experience





Machinery Condition Monitoring: Principles and Practices presents the latest techniques in fault diagnosis and prognosis, provides many real-life practical examples, and empowers you to diagnose the faults in machines all on your own.

Amiya R. Mohanty has been a faculty member at the Indian Institute of Technology Kharagpur, India, since 1996, and is currently a professor of mechanical engineering. He has a B.ScEngg (Hons) in mechanical engineering from the National Institute of Technology, Rourkela. He holds a master's degree in machine design specialization from the Indian Institute of Technology, Kharagpur, and a PhD in the area of noise control from the University of Kentucky in the United States. Prof. Mohanty is a fellow of the Acoustical Society of India. He has consulted more than 50 companies, and published more than 100 journal articles.

Introduction


Machinery Condition Monitoring


Present Status


Fault Prognosis


Future Needs


Principles of Maintenance


Introduction


Reactive Maintenance


Preventive Maintenance


Predictive Maintenance


Enterprise Resource Planning


Bath Tub Curve


Failure Modes Effects and Criticality Analysis (FMECA)


Fundamentals of Machinery Vibration


Introduction


Single Degree-of-Freedom Motion


Forced Vibration Response


Base Excitation


Force Transmissibility and Vibration Isolation


Tuned Vibration Absorber


Unbalanced Response


Characteristics of Vibrating Systems


Vibration of Continuous Systems


Mode Shapes and Operational Deflection Shapes


Experimental Modal Analysis


Rotordynamics


Introduction


Simple Rigid Rotor-Disc System


Unbalance Response and Critical Speed


Journal Bearings


Oil Whirl and Oil Whip


Squeeze Film Dampers


Condition Monitoring in Large Rotor Systems


Digital Signal Processing


Introduction


Classification of Signals


Signal Analysis


Frequency Domain Signal Analysis


Fundamentals of Fast Fourier Transform


Computer-Aided Data Acquisition


Signal Conditioning


Signal Demodulation


Cepstrum Analysis


Examples


Instrumentation


Introduction


Measurement Standards


Measurement Errors


Calibration Principles


Static and Dynamic Measurements


Frequency Response


Dynamic Range


Basic Measuring Equipment


Vibration


Force Measurements


Rotational Speed


Noise Measurements


Temperature Measurements


Laser-Based Measurements


Current Measurements


Chemical Composition Measurement


Ultrasonic Thickness Measurement


Data Recorders


Vibration Monitoring


Principles of Vibration Monitoring


Misalignment Detection


Eccentricity Detection


Cracked Shaft


Bowed and Bent Shaft


Unbalanced Shaft


Looseness


Rub


Bearing Defects


Gear Fault


Faults in Fluid Machines


Noise Monitoring


Introduction


Acoustical Terminology


Noise Sources


Sound Fields


Anechoic Chamber


Reverberation Chamber


Noise Measurements


Noise Source Identification


Electrical Machinery Faults


Introduction


Construction of an Electric Motor


Faults in Electric Motor


Fault Detection in Electric Motors


MCSA for Fault Detection in Electrical Motors


Instrumentation for Motor Current Signature Analysis


Fault Detection in Mechanical Systems by MCSA


MCSA for Fault Detection in any Rotating Machine


Fault Detection in Power Supply Transformers


Fault Detection in Switchgear Devices


Thermography


Introduction


Thermal Imaging Devices


Use of IR Camera


Industrial Applications of Thermography


Applications of Thermography in Condition Monitoring


Wear Debris Analysis


Introduction


Mechanisms of Wear


Detection of Wear Particles


Common Wear Materials


Oil Sampling Technique


Oil Analysis


Limits of Oil Analysis


Other Methods in Condition Monitoring


Introduction


Eddy Current Testing


Ultrasonic Testing


Radiography


Acoustic Emission


Machine Tool Condition Monitoring


Introduction


Tool Wear


Sensor Fusion in Tool Condition Monitoring


Sensors for Tool Condition Monitoring


A Tool Condition Monitoring System


Other Manufacturing Operations


Engineering Failure Analysis


Introduction


Overview of Failure Analysis


Failure Modes


Failure Analysis


Failure Analysis Sampling Guide


Case Studies


Introduction


Bend Pulley Failure Analysis


Root Cause Analysis of Torsion Shaft Failure in a Cement Plant


Failure Analysis of a Conveyor System Support Structure


Vibration Measurements on a Motor-Multistage Gearbox Drive Set


Bibliography


Appendices


Index

Zusatzinfo Approx. 75 to 125 euqations; 27 Tables, black and white; 181 Illustrations, black and white
Verlagsort London
Sprache englisch
Maße 152 x 229 mm
Themenwelt Technik Maschinenbau
Technik Umwelttechnik / Biotechnologie
ISBN-10 1-138-58321-9 / 1138583219
ISBN-13 978-1-138-58321-4 / 9781138583214
Zustand Neuware
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