Product design for manufacture assembly geoffrey boothroyd, winston knight, peter Dewhurs(BookZZ org)

Lời khuyên product design for manufacture and assembly

... order to allow assembly of the sensor, and therefore none of the three criteria are met and the strap becomes a candidate for elimination For the strap a zero is placed in the column for minimum ... PCB assembly to the connector were not necessary (Fig 3.36) Design so that access for assembly operations is not restricted: Figure 3.41 shows two alternative design concepts for a small assembly ... models and even across product lines to permit the use of higher volume processes that normally result in lower product cost (see Fig 3.7) 12 Use pyramid assembly —provide for progressive assembly...

Product Design for the Environment: A Life Cycle Approach - Chapter 1 ppt

... 11 4 11 6 11 8 11 8 11 9 11 9 12 0 12 0 12 1 12 2 12 5 12 6 12 6 12 7 12 7 12 8 13 1 13 2 13 5 13 5 13 7 13 9 14 1 14 1 14 2 14 5 14 5 14 7 14 7 Part II—Methodological Statement Product Design and Development Process 7 .1 ... 8 .1 Table 8.2 Table 9 .1 Table 9.2 Table 10 .1 Table 11 .1 Table 11 .2 Table 11 .3 Table 11 .4 Table 11 .5 Table 11 .6 Table 12 .1 Table 12 .2 Table 12 .3 Table 14 .1 Table 14 .2 Table 14 .3 Guidelines for Life ... Premises for the Integration of Environmental Requirements 15 4 15 6 15 8 15 9 16 0 16 1 16 2 16 2 16 3 16 4 16 7 16 7 16 8 16 9 17 1 17 2 17 4 17 6 17 7 17 8 17 9 18 1 18 1 18 2 18 7 18 7 18 8 © 2006 by Taylor & Francis...

Product Design for the Environment: A Life Cycle Approach - Chapter 2 potx

... relation to all these phases, in accordance with a design intervention based on a life cycle approach, understood as a systematic approach “from the cradle to the grave,” the only approach able ... LLC 27 22_ C0 02_ r 02. indd 54 12/ 1 /20 05 11:30 :21 AM Life Cycle Approach and the Product System Concept and Modeling FIGURE 2. 8 55 Phases of product manufacture generates discards and waste that cannot ... involving the transformation of materials, production of components, product assembly, and ﬁnishing © 20 06 by Taylor & Francis Group, LLC 27 22_ C0 02_ r 02. indd 52 12/ 1 /20 05 11:30 :20 AM 53 Life Cycle Approach...

Product Design for the Environment: A Life Cycle Approach - Chapter 4 potx

... methodological approaches, such as the integrated approaches intended to combine the two analyses, environmental and economic The most important of these integrated approaches are Activity-based LCA and ... deﬁnition and inventory analysis Requirements and a structure for a data documentation format, to be used for transparent and unambiguous documentation and exchange of LCA and LCI data Examples of practices ... of the entire life cycle The data can be obtained from various sources such as direct measurement as well as information from databases and the literature • Life Cycle Impact Assessment (LCIA)—Constitutes...

Product Design for the Environment: A Life Cycle Approach - Chapter 6 pdf

... Economic–Environmental Approach in Life Cycle Management An integrated LCCA–LCA is fully qualified for inclusion within the scope of the approach to the integrated management of the life cycle known as Life Cycle ... Kumaran, D.S et al., Environmental life cycle cost analysis of products, Environmental Management and Health, 12(3), 260 –2 76, 2001 Murayama, T et al., Life cycle profitability analysis and LCA ... including the entire system of material and monetary flows ascribable to all the economic actors involved in the life cycle of the product under examination (Murayama et al., 2001) Another approach...

Product Design for the Environment: A Life Cycle Approach - Chapter 7 potx

... necessary for its production and commercialization The decision variables are those that can influence the planning and organization of the different design and development activities (the organization ... final product Ramp-up is then followed by a phase of transition toward actual production and the definitive launch of the product on the market As shown in Figure 7. 1, the improvement of the final ... ever-greater complexity of design (Kusiak and Larson, 1995) Furthermore, the study of individual design tasks can be an effective approach to the analysis of alternative design strategies, and...

Product Design for the Environment: A Life Cycle Approach - Chapter 8 docx

... Increase ease of disassembly MATERIALS Reduce unsustainable and hazardous materials Increase biodegradable and low-impact materials Reduce material variety Increase material compatibility and ... appropriate tools of the DFX system are introduced 8. 2 Environmental Strategies for the Life Cycle Approach Design strategies play an essential role in the life cycle approach They allow the environmental ... 14062:2002(E), International Organization for Standardization, Geneva, 2002 Jackson, P et al., An analytical method for integrating environmental and traditional design considerations, Annals of the CIRP,...

Product Design for the Environment: A Life Cycle Approach - Chapter 9 doc

... those aimed at maintaining performance during the phase of use Design for Serviceability (DFS) (Makino et al., 198 9; Gershenson and Ishii, 199 3; Subramani and Dewhurst, 199 3) and Design for Maintainability ... toward the planning of processes at the end-of -life They belong to the general area of Design for Product Retirement/Recovery (Ishii et al., 199 4; NavinChandra, 199 4; Kriwet et al., 199 5; Zhang ... resources at the end of a product s useful life can be divided into various typologies (Overby, 197 9; Ishii et al., 199 4; Navin-Chandra, 199 4; Zang et al., 199 7; Gungor e Gupta, 199 9; Rose et al.,...

Product Design for the Environment: A Life Cycle Approach - Chapter 10 ppsx

... (nucleated) later as a result of strain 10. 3.1 Deﬁnition of Ductile Damage and Damage Parameter The parameter used for the analytical measurement of damage is the percentage ratio of the area (or ... Methods for Product Duration Design and Evaluation 259 diagrams like these, it can be seen that the various curves show a decrease on the y-axis for an increase on the x-axis, and thus steels with the ... volume, then: a Ϫ⌬T ϭ b (10. 52) where a and b are constants that depend on the mechanical and thermal characteristics of the material Considering that for loads below the fatigue limit, the variations...

Product Design for the Environment: A Life Cycle Approach - Chapter 11 potx

... the overall evaluations In a ﬁrst analysis, the terms of intermediate and overall evaluation could be based on a qualitative evaluation of the determinant factors for each strategy A quantitative ... functional performances This chapter presents a method for Life Cycle Design, focusing on the analysis of strategies extending the useful life (maintenance, repair, upgrading, and adaptation of the product) ... evaluation approach may be formulated (Giudice et al., 2002), based on the mathematical model summarized as follows Have Ci indicate the i-th of the m components comprising the product, and have...

Product Design for the Environment: A Life Cycle Approach - Chapter 12 pot

... and thermal loading As an example, Figure 12. 6 shows some results of the stress and thermal analyses on the disk These FEM analyses were calibrated on the basis of experimental data available ... Conference, Miami, FL, 1991, DE-31, 119 125 Pré, SimaPro Database Manual: The BUWAL 250 Library, Pré Consultants BV, Amersfoort, The Netherlands, 2003 Sawaragi, Y., Nakayama, H., and Tanino, T., Theory ... based on parametric CAD and FEM software for structural performance analyses 12. 6 Life Cycle Indicators The ﬁnal phases of the selection method consist of applying the calculation models to the...

Product Design for the Environment: A Life Cycle Approach - Chapter 14 ppt

... potential for reuse, remanufacturing, and the recycling of materials (Navin-Chandra, 1993; Navin-Chandra, 1994; Zussman et al., 1994; Pnueli and Zussman, 1997) These approaches all use graphic ... 14. 2 As was suggested in Chapter 12, information on the recyclable fractions of the more common materials may be obtained from commercially available databases, such as that of the material selection ... the simulation and optimization of a system, for design speciﬁcally aimed at favoring the end-of -life phase of a new product, or in a more attentive design intervention that concentrates on the...

Product Design for the Environment: A Life Cycle Approach - Chapter 16 (end) docx

... determining variables required for the behavior under examination to take place (initial state) and final conditions reached after the function has taken place (final state), and of the performance characteristics ... values assumed by BCI for each behavior on varying the design parameters allows an analysis of the criticality of the system under examination 16. 3.3 Analysis of Life Cycle Strategies The values assumed ... compare the various alternatives and identify the solutions that best realize appropriate performance goals With particular regard to the simulation of the final phases of the life cycle (i.e., use and...

Ebook assembly automation and product design (second edition) geoffrey boothroyd

... Assembly Automation and Product Design: Second Edition, Geoffrey Boothroyd Assembly Automation and Product Design Second Edition Geoffrey Boothroyd Boothroyd Dewhurst, Inc Wakefield, Rhode Island ... Assembly Automation and Product Design Second Edition MANUFACTURING ENGINEERING AND MATERIALS PROCESSING A Series of Reference Books and Textbooks SERIES EDITOR Geoffrey Boothroyd Boothroyd ... productivity and cost considerations become less important 10 Assembly Automation and Product Design 1.3 SOCIAL EFFECTS OF AUTOMATION Much has been said and written regarding the impact of automation...

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