Gears and Their Vibration
Author | : James D. Smith |
Publisher | : |
Total Pages | : 184 |
Release | : |
Genre | : |
ISBN | : 9780608089904 |
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Author | : James D. Smith |
Publisher | : |
Total Pages | : 184 |
Release | : |
Genre | : |
ISBN | : 9780608089904 |
Author | : James D. Smith |
Publisher | : |
Total Pages | : 192 |
Release | : 1983-01 |
Genre | : Technology & Engineering |
ISBN | : 9780824717971 |
Author | : J. Derek Smith |
Publisher | : CRC Press |
Total Pages | : 300 |
Release | : 2003-04-08 |
Genre | : Technology & Engineering |
ISBN | : 0203912470 |
Based on over 40 years of consultation and teaching experience, Gear Noise and Vibration demonstrates logical gear noise and vibration approaches without the use of complex mathematics or lengthy computation methods. The second edition offers new and extended discussions on high- and low-contact ratio gears, lightly loaded gears, planetary and split drives, and transmission error (T.E.) measurement. A straightforward source for enhanced gear design, assessment, and development practices, the book is enriched with more than 150 figures. It offers the most economic solutions to gear design obstacles and details current challenges and troubleshooting schemes for improved gear installation.
Author | : Ashutosh Mokate |
Publisher | : diplom.de |
Total Pages | : 113 |
Release | : 2016-03-10 |
Genre | : Technology & Engineering |
ISBN | : 3960675186 |
Gears are essential parts of many precision power transmitting machines such as automobiles. The major functions of a gearbox are to transform speed and torque in a given ratio and to change the axis of rotation. Planetary gears yield several advantages over conventional parallel shaft gear systems: They produce high speed reductions in compact spaces, a greater load sharing, a higher torque to weight ratio, diminished bearing loads, and reduced noise and vibration. They are used in automobiles, helicopters, aircraft engines, heavy machinery, and a variety of other applications. Despite their advantages, the noise induced by the vibration of planetary gear systems remains a key concern. Planetary gears have received considerably less research attention than single mesh gear pairs. There is a particular scarcity of analysis of two planetary gear systems and their dynamic response. Hence, this book focuses on the study of two PGTs with different phasing (angular positions) while every individual set remains unchanged.
Author | : James I. Taylor |
Publisher | : Vibration Consultants |
Total Pages | : 256 |
Release | : 2000-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9780964051713 |
Author | : Jiri Tuma |
Publisher | : John Wiley & Sons |
Total Pages | : 235 |
Release | : 2014-02-20 |
Genre | : Technology & Engineering |
ISBN | : 1118797612 |
Advances in methods of gear design and the possibility of predicting the sound pressure level and life time of gearboxes and perfect instrumentation of test stands allows for the production of a new generation of quiet transmission units. Current literature on gearbox noise and vibration is usually focused on a particular problem such as gearbox design without a detailed description of measurement methods for noise and vibration testing. Vehicle Gearbox Noise and Vibration: Measurement, Signal Analysis, Signal Processing and Noise Reduction Measures addresses this need and comprehensively covers the sources of noise and vibration in gearboxes and describes various methods of signal processing. It also covers gearing design, precision manufacturing, measuring the gear train transmission error, noise test on testing stands and also during vehicle pass-by tests. The analysis tools for gearbox inspection are based on the frequency and time domain methods, including envelope and average toothmesh analysis. To keep the radiated noise under control, the effect of load, the gear contact ratio and the tooth surface modification on noise and vibration are illustrated by measurement examples giving an idea how to reduce transmission noise. Key features: Covers methods of processing noise and vibration signals Takes a practical approach to the subject and includes a case study covering how to successfully reduce transmission noise Describes the procedure for the measurement and calculation of the angular vibrations of gears during rotation Considers various signal processing methods including order analysis, synchronous averaging, Vold-Kalman order tracking filtration and measuring the angular vibration Vehicle Gearbox Noise and Vibration: Measurement, Signal Analysis, Signal Processing and Noise Reduction Measures is a comprehensive reference for designers of gearing systems and test engineers in the automotive industry and is also a useful source of information for graduate students in automotive and noise engineering.
Author | : F. K. Choy |
Publisher | : |
Total Pages | : 18 |
Release | : 1993 |
Genre | : |
ISBN | : |
Author | : Marianne Mosher |
Publisher | : |
Total Pages | : 50 |
Release | : 2003 |
Genre | : Gearing, Bevel |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 7 |
Release | : 2002 |
Genre | : |
ISBN | : |
Author | : Anand Parey |
Publisher | : LAP Lambert Academic Publishing |
Total Pages | : 204 |
Release | : 2010-11 |
Genre | : |
ISBN | : 9783838390345 |
Gears are one of the most common and important machine components in many rotating machines. Gears my fail in many different ways and can be broadly classified as localized (e.g. pitting, spalls and crack etc.) and distribute defects (e.g. profile errors, surface roughness etc.). An early detection of incipient gear failure is required to achieve high reliability and to prevent breakdown. Gear failure can be predicted by measuring the changes in vibration level. Dynamic modeling of the gear vibration is a useful tool to study the vibration response of a geared system under various gear parameters and operating conditions. Defects can be simulated in the dynamic model to see its effects on vibration response. The vibration signal stemming from a gear pair is complex in nature. Therefore, a suitable signal processing technique is necessary to extract defect information covered under noise.