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Proceedings of the 1994 International Gearing Conference

Proceedings of the 1994 International Gearing Conference PDF Author: J. N. Fawcett
Publisher:
ISBN:
Category : Gearing
Languages : en
Pages : 566

Book Description
This volume contains reports to the International Gearing Conference 1994. Key note addresses covered an overview of a five-year research development and test programme, and thoughts on the philosophy of gear inspection.

Proceedings of the 1994 International Gearing Conference

Proceedings of the 1994 International Gearing Conference PDF Author: J. N. Fawcett
Publisher:
ISBN:
Category : Gearing
Languages : en
Pages : 566

Book Description
This volume contains reports to the International Gearing Conference 1994. Key note addresses covered an overview of a five-year research development and test programme, and thoughts on the philosophy of gear inspection.

Index of Conference Proceedings

Index of Conference Proceedings PDF Author: British Library. Document Supply Centre
Publisher:
ISBN:
Category : Conference proceedings
Languages : en
Pages : 844

Book Description


Vehicle Gearbox Noise and Vibration

Vehicle Gearbox Noise and Vibration PDF Author: Jiri Tuma
Publisher: John Wiley & Sons
ISBN: 1118797612
Category : Technology & Engineering
Languages : en
Pages : 235

Book Description
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.

Comparison of Experimental and Analytical Tooth Bending Stress of Aerospace Spiral Bevel Gears

Comparison of Experimental and Analytical Tooth Bending Stress of Aerospace Spiral Bevel Gears PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 20

Book Description
An experimental study to investigate the bending stress in aerospace-quality spiral bevel gears was performed. Tests were conducted in the NASA Lewis Spiral Bevel Gear Test Facility. Multiple teeth on the spiral bevel pinion were instrumented with strain gages and tests were conducted from static (slow roll) to 14400 RPM at power levels to 540kW (720 hp). Effects of changing speed and load on the bending stress were measured. Experimental results are compared to those found by three-dimensional finite element analysis.

Proceedings of the ... International Power Transmission and Gearing Conference

Proceedings of the ... International Power Transmission and Gearing Conference PDF Author:
Publisher:
ISBN:
Category : Gearing
Languages : en
Pages : 852

Book Description


Distinguished Figures in Mechanism and Machine Science

Distinguished Figures in Mechanism and Machine Science PDF Author: Marco Ceccarelli
Publisher: Springer Nature
ISBN: 303118288X
Category : Technology & Engineering
Languages : en
Pages : 224

Book Description
This book discusses the technological developments achieved by distinguished figures in the history of mechanism and machine science (MMS). This is the fifth volume of a series of books which gathered contributions on the leading scientists in the field. This book focuses specifically on the IFToMM community and its activities over the last 50 years, showcases who-is-who in MMS, and emphasizes—together with the previous books of the series—the significance of MMS through time. Each chapter recognizes persons whose scientific work resulted in relevant technical developments in the historical evolution of MMS within IFToMM. Biographical notes describing the efforts and achievements of these persons are included as well, but a technical survey is the core of each chapter, offering a modern interpretation of their legacy.

Proceedings of the FISITA 2012 World Automotive Congress

Proceedings of the FISITA 2012 World Automotive Congress PDF Author: SAE-China
Publisher: Springer Science & Business Media
ISBN: 3642338321
Category : Technology & Engineering
Languages : en
Pages : 671

Book Description
Proceedings of the FISITA 2012 World Automotive Congress are selected from nearly 2,000 papers submitted to the 34th FISITA World Automotive Congress, which is held by Society of Automotive Engineers of China (SAE-China ) and the International Federation of Automotive Engineering Societies (FISITA). This proceedings focus on solutions for sustainable mobility in all areas of passenger car, truck and bus transportation. Volume 13: Noise, Vibration and Harshness (NVH) focuses on: •Chassis Vibration and Noise Control •Transmission Vibration and Noise Control •Engine Vibration and Noise Control •Body Vibration and Noise Control •Vehicle Vibration and Noise Control •Analysis and Evaluation of In-Car Vibration & Noise •Wind Noise Control Technology •Vibration and Noise Testing Technology Above all researchers, professional engineers and graduates in fields of automotive engineering, mechanical engineering and electronic engineering will benefit from this book. SAE-China is a national academic organization composed of enterprises and professionals who focus on research, design and education in the fields of automotive and related industries. FISITA is the umbrella organization for the national automotive societies in 37 countries around the world. It was founded in Paris in 1948 with the purpose of bringing engineers from around the world together in a spirit of cooperation to share ideas and advance the technological development of the automobile.

ISIE'96

ISIE'96 PDF Author:
Publisher:
ISBN:
Category : Industrial electronics
Languages : en
Pages : 584

Book Description


Planetary Gear Trains

Planetary Gear Trains PDF Author: Kiril Arnaudov
Publisher: CRC Press
ISBN: 0429857985
Category : Technology & Engineering
Languages : en
Pages : 432

Book Description
This book provides comprehensive information for various planetary gear trains, with practical applications and comprehensive references to technical articles. In the text's chapters, readers can find all the information needed for various types of gear trains, with illustrations and examples. The authors help gear designers to creatively understand the design of gears, as well as master the mechanical calculations needed. Planetary Gear Trains is the most comprehensive and up-to-date work available in this key technical area. The book reflects not only teaching, but also the practical experience of the authors. It was developed under the motto "From practice to practice".

Gear Crack Propagation Path Studies: Guidelines for Ultra-Safe Design

Gear Crack Propagation Path Studies: Guidelines for Ultra-Safe Design PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 18

Book Description
Design guidelines have been established to prevent catastrophic rim fracture failure modes when considering gear tooth bending fatigue. Analysis was performed using the finite element method with principles of linear elastic fracture mechanics. Crack propagation paths were predicted for a variety of gear tooth and rim configurations. The effects of rim and web thicknesses, initial crack locations, and gear tooth geometry factors such as diametral pitch, number of teeth, pitch radius, and tooth pressure angle were considered. Design maps of tooth/rim fracture modes including effects of gear geometry, applied load, crack size, and material properties were developed. The occurrence of rim fractures significantly increased as the backup ratio (rim thickness divided by tooth height) decreased. The occurrence of rim fractures also increased as the initial crack location was moved down the root of the tooth. Increased rim and web compliance increased the occurrence of rim fractures. For gears with constant pitch radii, coarser-pitch teeth increased the occurrence of tooth fractures over rim fractures. Also, 250 pressure angle teeth had an increased occurrence of tooth fractures over rim fractures when compared to 200 pressure angle teeth. For gears with constant number of teeth or gears with constant diametral pitch, varying size had little or no effect on crack propagation paths.