Stron coverage of geometric dimensioning and toleracing, modular tooling systems, power clamping and low cost tooling. From simple template and platetype jigs to complex. Design of jigs fixtures and press tools download ebook. By emphasizing similarities among types and styles, jig and fixture design, 5e speeds readers to a complete understanding of the whys and hows of designing and building a variety of different workholders for manufacturing. A jig or fixture can be designed for a particular job.
Hoffman this newly revised text presents the basic concepts of the design of workholding devices. Hoffman received his degrees from cornell university and the university of michiganann arbor. Jig and fixture design 5th edition by hoffman 3 jigs and fixtures by grant. Hoffman, 2004, thomsondelmar learning edition, in english 5th ed. Important standards for elements of jigs and fixtures. Many specific examples of various jigs and fixtures, as well as many commercially available fixtures, are. K venkataraman obtained his engineering mechanical degree from college of engineering, guindy presently anna university, chennai, india, and postgraduation from concordia university, canada.
Examples of the morecommon fixtures include milling fixtures, lathe fixtures, sawing fixtures, and grinding fixtures. Hoffman 9781401811075 nttf 2003 3250 jig and fixture design hoffman,e. Manufacturers rely on highly customized jigs and fixtures to ensure quality, efficiency and worker safety. A jig is a workholding device that supports, holds, locates a workpiece and also guides the cutting tool for. Beginning with basic design fundamentals, the book introduces, and explains in detail, information necessary to create efficient and costeffective work holders.
Click download or read online button to get jigs and fixtures book now. Jig and fixture design, 5e delmar learning drafting edward hoffman by emphasizing similarities among types and styles, jig and fixture design, 5e speeds readers to a complete understanding of the whys and hows of designing and building a variety of different workholders for manufacturing. Jig and fixture design, 5e delmar learning drafting. Pdf this paper about the design and analysis of jigs and fixtures for the. The form to be used depends on the shape and requirement of the workpiece to be machined. The parts needing frequent changing may be held with the screws. Jig and fixture design, 5e delmar learning drafting 5th edition by edward g. Below are chegg supported textbooks by edward g hoffman. Weve sent the cad file to the email address you used in the registration process. Click on the file icon or file name to start downloading.
A jig is defined as the device which holds and positions the workplace, locates or guides the cutting tool related to the workplace and usually jig. The principle of location is being discussed here with the help of a most popular example which is available in any of the book covering jigs and fixtures. May not be copied, scanned, or duplicated, in whole or in part. A solid background in industrial processes, as well as machine shop technology, is assumed. Jig and fixture design, 5e delmar learning drafting pdf free.
Hoffman handbook of jig and fixture design 2nd edition society of manufacturing engineers, sme. Design of jigs, fixtures and press tools wiley online books. With fixtures, an edge finder, centre finder, or gage blocks position the cutter. Those parts of the frame that remain intact with the jig may be welded. Get jig and fixture design edward g hoffman author pdf file for free from our online library. Design of jigs and fixtures should be such that the process, loading, clamping and unloading time of the workpiece takes minimum as far as possible. Specific constraints for each shop will again be identified. Jig and fixture design delmar learning drafting, edward hoffman. Jig and fixture design by edward g hoffman pdf torrent. It should be easy to handle, smaller in size and low cost in regard to amount of material used without sacrificing rigidity and stiffness. Download pfd ebook on design of jigs, fixtures which has around five units included in this ebook. Jig and fixture design,5ed by hoffman book condition. Jig and fixture design delmar learning drafting, hoffman. Lecture 34 design and applications of jigs and fixtures nptelhrd.
This handbook is a multichapter, illustrated reference manual featuring stepbystep instructions on jigs and. It is important that one should understand the problem first. The design of jigs and fixtures for machine tools 73 various fixtures. This site is like a library, use search box in the widget to get ebook that you want. Moreover, a fixture can be used in almost any operation that requires a precise relationship in the position of a tool to a workpiece. Phase i 2 actual practical development at tinker will be drawn. Read and download pdf ebook jig and fixture design edward g hoffman author at online ebook library. A few fundamental forms of jigs will be shown to illustrate the design and application of jigs. From simple template and platetype jigs to complex channel and boxtype tooling. By emphasizing similarities among types and styles, jig and fixture design, 5e speeds readers to a c. He joined durgapur steel plant of sail in 1971 and later worked with engineering consultancy mecon for nearly 30 years. Jig and fixture design 2004 edition open library donate. A jig differs from a fixture in the sense that it guides the tool to its. For adequate strength and rigidity, a mild steel with 16 millimeters.
Topics covered include the basic types of jigs and fixtures commonly used, the principles upon which the design of these devices is based, and practical applications of jigs and fixtures. Manufacturing relies on tools including jigs, fixtures, templates and. Detailed discussions on the basic principles of tool design. For this project, it is focused on the perspective of job handling to produce the part. Jig and fixture design drafing wo blueprint rdg 4th edition 0 problems solved. Jig and fixture design delmar learning drafting kindle edition by hoffman, edward. Lecture 34 design and applications of jigs and fixtures. This is a comprehensive introduction to the principles and concepts involved in designing jigs and fixtures for manufacturing. This is a comprehensive introduction to the principles and concepts involved in designing jigs and fixtures for. For the first operation location must be from the unfinished surface of the part, especial care being taken to have the part so set that all subsequentlymachined surfaces will clean up, and that those surfaces remaining in the rough state will be in the desired positions.
This highly useful book for design and production engineers provides. Hence, a stepbystep procedure for jig and fixture design will be developed. Hendriksen jig and fixture design manual industrial press inc. Use features like bookmarks, note taking and highlighting while reading jig and fixture design delmar learning drafting.
The application of jigs and fixtures in manufacturing operations lead to the production of faster, more accurate, and reliable products at a reduced cost. Where the body of jig or fixture has complex shape, it may be cast from good grade of cast iron. Jigs the two types of jigs that are in general use are 1 clamp jig and 2 box jig. The design of jig and fixtures is using unigraphics nx7. Pdf jigs and fixtures by p h joshi book free download. Hoffman pdf this is a comprehensive introduction to the principles and concepts involved in designing jigs and fixtures for manufacturing. The design and need for jigs and fixtures in manufacturing. The design of jigs and fixtures for machine tools paper.
249 198 884 689 261 56 706 112 1269 417 1224 136 1381 738 558 756 1410 853 1287 1371 517 1136 376 86 1202 93 733 961 222 93 914 1188 375 782 459 1445 906