By Corrado Poli
Design for Manufacturing assists someone no longer accustomed to a number of production tactics in greater visualizing and realizing the connection among half layout and the benefit or trouble of manufacturing the part.
Decisions made throughout the early conceptual phases of layout have an exceptional influence on next stages. actually, in most cases greater than 70% of the producing expense of a product is decided at this conceptual level, but production isn't concerned. via this publication, designers will achieve perception that would let them check the influence in their proposed layout on production difficulty.
The overwhelming majority of elements present in advertisement batch-manufactured items, similar to home equipment, pcs and workplace automation apparatus are both injection molded, stamped, die forged, or (occasionally) forged. This ebook emphasizes those specific, most ordinarily applied processes.
In addition to chapters on those procedures, the e-book touches upon fabric method choice, normal directions for deciding upon no matter if a number of parts might be mixed right into a unmarried part or no longer, communications, the actual and mechanical homes of fabrics, tolerances, and inspection and caliber control.
In constructing the DFM tools offered during this publication, he has labored with over 30 agencies focusing on injection molding, die-casting, forging and stamping.
- Implements a philosophy which permits for less complicated and extra monetary creation of designs
- Educates designers approximately manufacturing
- Emphasizes the 4 significant production processes
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Extra info for Design for manufacturing : a structured approach
Engineering stress, we know, is defined as P O'e m Ao and engineering strain is defined as 1 --lo Ge m 1o In this case P is the tensile load applied to the specimen, Ao is the initial crosssectional area of the specimen, lo is the original gage length of the specimen, and 1 is the final length. 5 A test specimen being subjected to uniaxial loads. Tolerances, Mechanical Properties, Physical PropertiesnA Review . . . . . . . . . . . . . . . i S t r e s s v s S t r a i n 6061 A l u m i n u m 350 -~ 3 0 0 250 o Stress 1 700 l .....
New York: McGrawHill, 2000. 8 Why is the interchangeability of parts important in the production of consumer products? Explain the difference between tolerance and allowance. What type of fit would best describe the following: a) Cork in a wine bottle. b) Floppy disk at the entrance to a floppy drive. c) Cover of a ballpoint pen. d) Laser printer cartridge and the printer. Discuss the difference between true stress and engineering stress, and natural strain and engineering strain. Which stress-versus-strain curve makes more sense?
In addition to bottles and containers, blow molding is used to form such shapes as simple balls, lightweight baseball bats, dolls, and animal toys. Although items like carrying cases for instruments and tools, large drums, ducts, and automobile glove compartments can also be made by blow molding, this process is not usually used to produce such "engineering" type parts. No further consideration is given to blow molding in this book. For more on this subject, the reader should consult the Modern Plastic Encyclopedia and the book by S.
Design for manufacturing : a structured approach by Corrado Poli