Machine Elements in Mechanical Design11 July 2018
Machine Elements in Mechanical Design
sis techniques necessary to design machine elements commonly found in mechanical de-
vices and systems.
execute original designs for machine elements and integrate the elements into a system
composed of several elements.This process requires a consideration of the performance requirements of an individ-
ual element and ofthe interfaces between elements as they work together to form a system.For example, a gear must be designed to transmit power at a given speed.
method of heat treatment.
ment. This book will help the student approach design problems in this way.This text is designed for those interested in practical mechanical design.
proaches to achieve a safe, efficient design.
chine or a part of a machine. Where practical, all design equations, data, and proceduresneeded to make design decisions are specified.It is expected that students using this book will have a good background in statics,
strength of materials, college algebra, and trigonometry. Helpful, but not required, would
be knowledge of kinematics, industrial mechanisms, dynamics, materials, and manufactur-
- It is designed to be used at the undergraduate level in the first course in machine design.
- The large list of topics allows the instructor some choice in the design of the course. The format is also appropriate for a two-course sequence and as a reference for mechanical design project courses.
- Students should be able to extend their efforts into topics not covered in classroom instruction because explanations of principles are straightforward and include many example problems.
- The practical presentation of the material leads to feasible design decisions and is useful to practicing designers.
- The text advocates and demonstrates use of computer spreadsheets in cases requiring long, laborious solution procedures. Using spreadsheets allows the designer to make decisions and to modify data at several points within the problem while the computer performs all computations.
- References to other books, standards, and technical papers assist the instructor in presenting alternate approaches or extending the depth of treatment.
- Lists of Internet sites pertinent to topics in this book are included at the end of most chapters to assist readers in accessing additional information or data about commercial products.
- In addition to the emphasis on the original design of machine elements, much of the discussion covers commercially available machine elements and devices, since many design projects require an optimum combination of new, uniquely designed parts and purchased components.
- For some topics, the focus is on aiding the designer in selecting commercially available components, such as rolling contact bearings, flexible couplings, ball screws, electric motors, belt drives, chain drives, clutches, and brakes.
- Computations and problem solutions use both the International System of Units (SI) and the U.S. Customary System (inch-pound-second) approximately equally.
- The basic reference for the usage of SI units is IEEE/ASTM-SI-10 Standard for Use of the International System of Units (SI): The Modern Metric System, which has replaced ASTM E380 and ANSI/IEEE Standard 268-1992.
- Extensive appendices are included along with detailed tables in many chapters to help the reader to make real design decisions, using only this text.
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