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“Spotlight on Design” features video interviews and case study segments, focusing on the latest technology breakthroughs. Viewers are virtually taken to labs and research centers to learn how design engineers are enhancing product performance/reliability, reducing cost, improving quality, safety or environmental impact, and achieving regulatory compliance. Just how prevalent is the problem of counterfeit electronic parts? What are the consequences of using sub-par components in safety or mission critical systems? The Federal Aviation Administration estimates that 2% of the 26 million airline parts installed each year are counterfeit, accounting for more than 520,000 units, maybe more.
Kirsten M. Koepsel
Electronic parts are used throughout industry to run everyday products, such as cell phones, and also highly technical products, such as aircraft, missiles, and spacecraft. Unlike cell phones, which are often replaced every year, the highly technical products may remain in service from 20 to more than 80 years. But what happens if the original electronic part, with a life cycle of 18 months, is no longer available? Some manufacturers have discovered that they have unwittingly purchased counterfeit ones. Counterfeit Electronic Parts and Their Impact on Supply Chains examines how these items are negatively affecting the aviation, spacecraft, and defense sectors and what can be done about it.
Sudhakar Marur
This book is focused on the use of plastics in automobiles for traditional applications, as well as for more advanced uses such as under-the-hood components. Engineering thermoplastics offer the ability to tailor-make components from polymers, and to design parts for enhanced performance, new functionality, part integration, and elimination of secondary operations. Parts made from engineering thermoplastics can be manufactured within specified cost constraints, and using manufacturing methods that offer a wide range of production flexibility. A decade of research and real-world applications is presented by the authors on application technology development for various aspects of automotive design – concept design, CAD modeling, predictive engineering methods through CAE, manufacturing method simulation, and prototype and tool making.
Rolf Koring
A unique fusion of theoretical and practical knowledge, “Changes in Plain Bearing Technology”, by Rolf Koring, covers a meaningful range of expertise in this field. Drawing from years of experience in design development, materials selection, and their correlation to real-life part failure, this title, co-published by SAE International and expert Verlag (Germany), concentrates on hydrodynamic bearings lined with whitemetals, also known as Babbits. Written under the assumption that even the most mature body of knowledge can be revisited and improved, “Changes in Plain Bearing Technology” is a courageous and focused approach to questioning accepted test results and looking at alternative material compounds, and their application suitability. The process, which leads to innovative answers on how the technology is transforming itself to respond to new market requirements, shows how interdisciplinary thinking can recognize new potential in long-established industrial modus operandi.
This manual provides a comprehensive compilation of SAE Technical Reports dealing with fasteners and related topics.
Thomas Gatski, Jean-Paul Bonnet
This book introduces the reader to the field of compressible turbulence and compressible turbulent flows across a broad speed range through a unique complimentary treatment of both the theoretical foundations and the measurement and analysis tools currently used. For the computation of turbulent compressible flows, current methods of averaging and filtering are presented so that the reader is exposed to a consistent development of applicable equation sets for both the mean or resolved fields as well as the transport equations for the turbulent stress field.For the measurement of turbulent compressible flows, current techniques ranging from hot-wire anemometry to PIV are evaluated and limitations assessed. Characterizing dynamic features of free shear flows, including jets, mixing layers and wakes, and wall-bounded flows, including shock-turbulence and shock boundary-layer interactions, obtained from computations, experiments and simulations are discussed.
J.R. Davis
This book is intended for gear metallurgists and materials specialists, manufacturing engineers, lubrication technologists, and analysts concerned with gear failures who seek a better understanding of gear performance and gear life. All of the critical technical aspects of gear materials technology are addressed. Coverage includes an overview of the various types of gears used, important gear terminology, applied stresses and strength requirements associated with gears, and lubrication and wear; in-depth treatment of metallic (ferrous and nonferrous alloys) and plastic gear materials; the properties of carburized steels, the material of choice for high-performance power transmission gearing; and the increasing use of plastics for both motion-carrying and power transmission applications is addressed.
Edgar J. Gunter, Wen Jeng Chen
This book is written as an introduction to rotor-bearing dynamics for practicing engineers and students who are involved in rotor dynamics and bearing designs. The goal is to provide a step-by-step approach to the understanding of fundamentals of rotor-bearing dynamics. Therefore, the emphasis is on the basic principles, phenomena, modeling, theory, and interpretations of the results. Introduction to Dynamics of Rotor-bearing Systems includes numerous examples, from a single-degree-of-freedom system to complicated industrial rotating machinery, which serve to illustrate fundamental dynamic behaviors. The concepts in the text are reinforced by parametric studies and numerous illustrative examples and figures.
A.K. Rakhit
Increased demand for gears to transmit more power through smaller, lighter, quieter, and more reliable packages that must operate over a wide range of service conditions, has made the design and manufacture of gears much more complex. Gears manufactured from certain steels are found to meet these demands, and become especially effective when heat treated and finish machined for high geometric accuracy. However, distortion of the gear after heat treatment offers the gear engineer a challenging opportunity not only in ensuring a high quality product but also in controlling manufacturing costs. Heat Treatment of Gears is designed to provide the gear design engineer with a better understanding of heat treatment and its effects on gear quality and performance, especially as these considerations are critical to ensuring that the gears perform satisfactorily under anticipated service conditions.
Prepared under the auspices of the SAE Fatigue Design and Evaluation Committee. This book focuses on the fatigue and fracture analysis of an induction hardened shaft subjected to combined bending and torsion. It includes the complexities of varying material and hardness distribution through the thickness of the shaft along with internal residual stresses. Subjects covered include: Sample definition and experimental data Material and process information Realistic load histories Understanding of the state of stress Analytical techniques and tools
This document is an extension of the current B92.1 standard. It does not supersede the B92.1 standard. All splines currently meeting the requirements of the B92.1 standard are still in compliance with that standard. A table of the variables and the formula that calculates its value is included. Splines conforming to B92.1 will mate with splines conforming to B92.1b. Splines conforming to B92.1 shall be used unless B92.1b is specified or otherwise agreed to by the purchaser and the supplier. This addendum does not apply to major diameter fit splines. Units of Measurement Linear dimensions are expressed in inches, and angular dimensions are expressed in degrees.
The purposes of this addendum to B92.1 is to expand the capability of the standard. All numbers are connected to a formula to enable an easier use of the standard. Minimum effective clearance is defined. Form clearance is controlled by tooth size and minimum fillet radius is specified for a flat root spline. Some drawings callouts are added for clarification and the tolerances are limited for splines with a larger number of teeth.
This reference provides standards information relevant to all-wheel drive automotive powertrains. HS-2300 includes J1952; J2059; market conditions and design advances in all-wheel-drive vehicles; and a bibliography of related all-wheel-drive publications.
This hands-on manual provides a systematic method for identifying standard drills, standard taps, and various types of hand, machine and shell reamers used in industrial applications. Complete contents include: J2122 - Numbering System for Standard Drills; J2123 - Numbering System for Standard Taps; and J2124 - Numbering System for Reamers. A complete appendix section listing numerous examples of standard tool designations using the numbering scheme is also included. A valuable reference that will help OEMs and suppliers effectively communicate tool descriptions, as well as more efficiently catalog and supply tools!
Carroll Smith
After months of preparation, practice and planning, the season's race championship can rely on just one fastener doing its job. If that fastener shears or loosens, the whole race can be lost -- not to mention valuable machinery and even lives. This informative publication is a guide to hardware for race and street cars. Famed race team manager Carroll Smith tells you what each nut, bolt, fastener, and plumbing piece is, how it works, how to torque it, where to use it, and where not to use it. Over 320 photographs, technical drawings, and illustrations are included. Published by Motorbooks International. Distributed by SAE.
This standard provides data and guidance for the design, manufacture, and inspection of straight, non-helical, cylindrical involute splines. It establishes a specification based on the metric module within the range 0.25-10 inclusive, relating to nominal pressure angles of 30 deg, 37.5 deg, and 45 deg. For computer programming, the term "37.5 deg" has been adopted instead of "37 deg, 30 min". Limiting dimensions, variations, and manufacturing tolerances and their effect on the fit between connecting co-axial spline elements, are defined and tabulated. Linear dimensions are expressed in millimeters and micrometers. Angular dimensions are expressed in degrees and decimal degrees.
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