By Corrado Poli
Design for Manufacturing assists a person now not accustomed to numerous production procedures in greater visualizing and knowing the connection among half layout and the benefit or trouble of manufacturing the part.
Decisions made throughout the early conceptual levels of layout have an excellent impression on next stages. in reality, as a rule greater than 70% of the producing expense of a product is decided at this conceptual degree, but production isn't concerned. via this publication, designers will achieve perception that would let them determine the effect in their proposed layout on production difficulty.
The overwhelming majority of elements present in advertisement batch-manufactured items, equivalent to home equipment, pcs and workplace automation apparatus are both injection molded, stamped, die solid, or (occasionally) forged. This booklet emphasizes those specific, most typically applied processes.
In addition to chapters on those procedures, the e-book touches upon fabric method choice, common guidance for settling on even if numerous elements could 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 equipment awarded during this ebook, he has labored with over 30 corporations focusing on injection molding, die-casting, forging and stamping.
- Implements a philosophy which permits for simpler and extra fiscal construction of designs
- Educates designers approximately manufacturing
- Emphasizes the 4 significant production processes
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Additional resources for Design for manufacturing : a structured approach
And Kohser, Ronald A. Materials and Processes in Manufacturing, 8th edition. Upper Saddle River, NJ: Prentice Hall, 1997. , and Trojan, Paul K. Engineering Materials and Their Applications, 2nd edition. Boston: Houghton Mifflin, 1981. Kalpakjian, Serope. Manufacturing Engineering and Technology, 2nd edition. Reading, MA: Addison-Wesley, 1992. Schey, John A. Introduction to Manufacturing Processes, 3rd edition. New York: McGrawHill, 2000. 8 Why is the interchangeability of parts important in the production of consumer products?
Chapters 3 to 11 are devoted to a discussion of how a part's size, shape, and geometry affect the ease or difficulty of producing 17 18 Design for Manufacturing a part by various processes. Chapter 13, "Selecting Materials and Processes for Special Purpose Parts," presents a general methodology for selecting one or more material-process combinations for special purpose parts at the conceptual design stage. In the remainder of this chapter we will briefly review what is meant by the mechanical and physical properties of materials.
With all the basic polymer materials available, together with all the possible combinations of fillers and additives, there is a dizzying array of possibilities for designers to choose from. There are also pitfalls, as not all the properties of all these combinations are well known. Consultation with a polymer materials expert is well advised! 3 INJECTION MOLDING In injection molding, thermoplastic pellets are melted, and the melt is injected under high pressure (approximately 10,000psi or about 70MPa) into a mold.