Oberg Erik - Jones Franklin D. - Machinery's Handbook 29th Edition

Authors : Oberg Erik - Jones Franklin D.
Title : Machinery's Handbook 29th Edition
Year : 2012

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Machinery's Handbook has served as the principal reference work in metalworking, design and manufacturing facilities, and in technical schools and colleges throughout the world, for nearly 100 years of continuous publication. Throughout this period, the intention of the Handbook editors has always been to create a comprehensive and practical tool, combining the most basic and essential aspects of sophisticated manufacturing practice. A tool to be used in much the same way that other tools are used, to make and repair products of high quality, at the lowest cost, and in the shortest time possible. The essential basics, material that is of proven and everlasting worth, must always be included if the Handbook is to continue to provide for the needs of the manufacturing community. But, it remains a difficult task to select suitable material from the almost unlimited supply of data pertaining to the manufacturing and mechanical engineering fields, and to provide for the needs of design and production departments in all sizes of manufacturing plants and workshops, as well as those of job shops, the hobbyist, and students of trade, technical, and engineering schools. The editors rely to a great extent on conversations and written communications with users of the Handbook for guidance on topics to be introduced, revised, lengthened, shortened, or omitted. At the request of users, in 1997 the first ever large-print or “desktop” edition of the Handbook was published, followed in 1998 by the publication of the first Machinery's Handbook CD-ROM including hundreds of additional pages of material restored from earlier editions. The large-print and CD-ROM editions have since become permanent additions to the growing family of Machinery's Handbook products. Regular users of the Handbook will quickly discover some of the many changes embodied in the present edition. One is the combined Mechanics and Strength of Materials section, arising out of the two former sections of similar name. The Plastics section, formerly a separate thumb tab, has been incorporated into the Properties of Materials section.“Old style” numerals, in continuous use in the first twenty-five editions, are now used only in the index for page references, and in cross references throughout the text. The entire text of this edition, including all the tables and equations, has been reset, and a great many of the numerous figures have been redrawn. The current edition has expanded to 2800 pages. The 29th edition of the Handbook contains major revisions of existing content, as well as new material on a variety of topics. The detailed tables of contents located at the beginning of each section have been expanded and fine tuned to simplify locating topics; numerous major sections have been extensively reworked and renovated throughout, including Mathematics, Mechanics and Strength of Materials, Properties of Materials, Dimensioning, Gaging and Measuring, Machining Operations, Manufacturing Process, Fasteners, Threads and Threading, and Machine Elements. New and recent material in this edition include a new section on micromachining, expanded material on calculation of hole coordinates, an introduction to metrology, further contributions to the sheet metal and presses section, shaft alignment, taps and tapping, helical coil screw thread inserts, solid geometry, distinguishing between bolts and screws, statistics, calculating thread dimensions, keys and keyways, miniature screws, metric screw threads, and fluid mechanics. Other subjects in the Handbook that are new or have been recently revised, expanded, or updated are lubrication, CNC programming and CNC thread cutting, metric wrench clearances, ANSI and ISO drafting practices, and ISO surface texture. The metric content of the Handbook has been greatly expanded in the 29th edition. Throughout the book, where practical, metric units are shown adjacent to the US customary units in the text. Many formulas are now presented with equivalent metric expressions, and additional metric examples have been added. The large-print edition is identical to the traditional toolbox edition, only the size is increased by a comfortable 140% for easier reading, making it ideal as a desktop reference. Other than size, there are no differences between the toolbox and large-print editions. The Machinery's Handbook 29 CD-ROM contains the complete contents of the printed edition, presented in Adobe PDF format. This popular and well known format allows viewing and printing of pages that are identical to those of the printed book, permits rapid searching of the entire Handbook, and includes the ability to magnify the view of any page. Navigation aids in the form of thousands of clickable bookmarks, page cross references, and index entries take you quickly to any page referenced. New and revised Handbook topics often requires cutting or removal of some older topics to gain space for the new. Those topics removed from the print book are generally added to the CD, which also contains much other material not available in the print editions. Included are extensive indexes of materials and standards referenced in the Handbook, numerous mathematical tables including trig, logarithms, and sine-bar tables, material on cement and concrete, adhesives and sealants, recipes for coloring and etching metals, forge shop equipment, silent chain, worm gearing and other material on gears, keys and keyways, numerous other topics, new and old, and more than five hundred additional pages. Also found on the CD are numerous interactive math problems. The math solutions are accessed directly from the CD by clicking an icon, located in the page margin adjacent to a covered problem, (see figure shown here). An internet connection is required to use these problems. A list of currently available interactive math solutions, arranged by topic, can be found in the Index of Interactive Equations on Machinery’s Handbook 29 CD. A single click on a page number in the index takes you to the page containing the topic of interest and the icon to access the solution. Additional interactive solutions are added from time to time as the need arises. Those users involved in aspects of machining and grinding will be interested in the topics Micromachining, Machining Econometrics and Grinding Feeds and Speeds, presented in the Machining section. The core of all manufacturing methods start with the cutting edge and the metal removal process. Improving the control of the machining process is a major component necessary to achieve a Lean chain of manufacturing events. These sections describe the means that are necessary to get metal cutting processes under control and how to properly evaluate the decision making. A major goal of the editors is to make the Handbook easier to use. The 29th edition of the Handbook continues to incorporate the timesaving thumb tabs, much requested by users in the past. The table of contents pages beginning each major section, first introduced for the 25th edition, have proven very useful to readers. Consequently, the number of contents pages has been increased to several pages each for many of the larger sections, to thoroughly reflect the contents of these sections. The editors are greatly indebted to readers who call attention to possible errors and defects in the Handbook, who offer suggestions concerning the omission of some matter that is considered to be of general value, or who have technical questions concerning the solution of difficult or troublesome Handbook problems. Such dialog is often invaluable and helps to identify topics that require additional clarification or are the source of reader confusion. Queries involving Handbook material usually entail an in depth review of the topic in question, and may result in the addition of new material to the Handbook intended to resolve or clarify the issue. The material on the mass moment of inertia of hollow circular rings, page 244, and on the effect of temperature on the radius of thin circular rings, page 378, are good examples. Our goal is to increase the usefulness of the Handbook as much as possible. All criticisms and suggestions about revisions, omissions or inclusion of new material, and requests for assistance with manufacturing problems encountered in the shop are welcome. Christopher J. McCauley. Senior Editor. ...

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