Download or read book Derivation of a Fatigue Life Model for Gears written by John H. Rumbarger and published by . This book was released on 1972 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: A load-life model is developed for calculating the fatigue life and reliability of a spur gear mesh. The dynamic capacity of a gear mesh is defined as the tangential load which can be transmitted for one million pinion revolutions with a 90% probability of survival. The model is an extension of the currently accepted Lundberg-Palmgren Rolling Element Bearing Life Model. Limited rolling contact testing of cylindrical samples with and without traction in the contact was accomplished. At a low coefficient of traction (below 0.1), no statistically significant effect on fatigue life was noted. Scanning electron microscopy studies were performed of all test samples. One rolling test sample was SEM examined periodically during testing to observe initiation and progression of failure. Numerical examples are presented for the calculation of the dynamic capacity of a standard contact ratio and a high contact ratio spur gear mesh. (Author).

Download or read book Derivation of Fatigue Life Models for Gears written by and published by . This book was released on 1972 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proceedings of Fatigue Durability and Fracture Mechanics written by S. Seetharamu and published by Springer. This book was released on 2017-11-01 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the proceedings of Fatigue Durability India 2016, which was held on September 28–30 at J N Tata Auditorium, Indian Institute of Science, Bangalore. This 2nd International Conference & Exhibition brought international industrial experts and academics together on a single platform to facilitate the exchange of ideas and advances in the field of fatigue, durability and fracture mechanics and its applications. This book comprises articles on a broad spectrum of topics from design, engineering, testing and computational evaluation of components and systems for fatigue, durability, and fracture mechanics. The topics covered include interdisciplinary discussions on working aspects related to materials testing, evaluation of damage, nondestructive testing (NDT), failure analysis, finite element modeling (FEM) analysis, fatigue and fracture, processing, performance, and reliability. The contents of this book will appeal not only to academic researchers, but also to design engineers, failure analysts, maintenance engineers, certification personnel, and R&D professionals involved in a wide variety of industries.

Download or read book A Fatigue Life and Reliability Model for Gears written by J. H. Rumbarger and published by . This book was released on 1972-10-01 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book NASA Technical Note written by and published by . This book was released on 1975 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Predicted Effect of Dynamic Load on Pitting Fatigue Life for Low contact ratio Spur Gears written by David G. Lewicki and published by . This book was released on 1986 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: How dynamic load affects the surface pitting fatigue life of external spur gears was predicted by using NASA computer program TELSGE. Parametric studies were performed over a range of various gear parameters modeling low-contact-ratio involute spur gears. In general, gear life predictions based on dynamic loads differed significantly from those based on static loads, with the predictions being strongly influenced by the maximum dynamic load during contact. Gear mesh operating speed strongly affected predicted dynamic load and life. Meshes operating at a resonant speed or one-half the resonant speed had significantly shorter lives. Dynamic life factors for gear surface pitting fatigue were developed on the basis of the parametric studies. In general, meshes with higher contact ratios had higher dynamic life factors than meshes with lower contact ratios. A design chart was developed for hand calculations of dynamic life factors. (Author).

Download or read book NASA Reference Publication written by and published by . This book was released on 1977 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proceedings of the 2nd World Congress on Integrated Computational Materials Engineering ICME written by Mei Li and published by Springer. This book was released on 2016-12-19 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents a collection of papers presented at the 2nd World Congress on Integrated Computational Materials Engineering (ICME), a specialty conference organized by The Minerals, Metals & Materials Society (TMS).

Download or read book Experimental and Computational Methods for Strength Analyses of Gears written by Srečko Glodež and published by Cambridge Scholars Publishing. This book was released on 2024-01-24 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gears are machine elements used in most engineering applications, mainly in the automotive and aerospace industries. When designing gear drives, the available standardised procedures are usually used for that purpose. However, the available computational methods are also often applied to obtain the load capacity of gears considering different fatigue design approaches (i.e. the stress-life approach, the strain-life approach and the fatigue crack growth approach). This book consists of five chapters. The first chapter introduces the reader to the fundamental magnitudes of gear drives concerning cylindrical gear pairs, bevel gear pairs, and worm gear pairs. The second chapter explains the theoretical background of the load capacity of gears; surface pitting load capacity and tooth root load capacity are described in detail. The third chapter focuses on the strength analyses of metal gears. Chapters four and five describe the strength analyses of sintered and polymer gears, including some typical practical examples.

Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1972 with total page 1932 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book NASA Tech Briefs written by and published by . This book was released on 1976 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Computer Aided Design Manufacturing Modeling and Simulation II written by Fang Yin Cheng and published by Trans Tech Publications Ltd. This book was released on 2012-12-13 with total page 1400 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings of the 2nd International Conference on Computer-Aided Design, Manufacturing, Modeling and Simulation (CDMMS 2012), held during the 21st to 23rd September 2012 in Chongqing, China, present original ideas and exciting new findings in disciplines such as CAD, CAM, Manufacturing, Mechanical Engineering, Modeling and Simulation.

Download or read book The Shock and Vibration Digest written by and published by . This book was released on 1976 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Advances in Mechanical Design written by Jianrong Tan and published by Springer Nature. This book was released on with total page 2698 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book NASA Technical Paper written by and published by . This book was released on 1986 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Life and Dynamic Capacity Modeling for Aircraft Transmissions written by Michael Savage and published by DIANE Publishing. This book was released on 1991 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Advances in Manufacturing Engineering written by Seyed Sattar Emamian and published by Springer Nature. This book was released on 2020-08-31 with total page 741 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected papers from the 5th International Conference on Mechanical, Manufacturing and Plant Engineering (ICMMPE 2019), held in Kuala Lumpur, Malaysia. It highlights the latest advances in the area, brings together researchers and professionals in the field and provides a valuable platform for exchanging ideas and fostering collaboration. Joining technologies could be change to manufacturing technologies. Addressing real-world problems concerning joining technologies that are at the heart of various manufacturing sectors, the respective papers present the outcomes of the latest experimental and numerical work on problems in soldering, arc welding and solid-state joining technologies. technologies. technologies. technologies. technologies. technologies. technologies. technologies. technologies. technologies. technologies.