Process SelectionFrom design to manufacture pptx

[...]... emerging design or prototype Any conflict between customer needs and product functionality should be referred back to the PDS The first step in the process is to analyze the design or prototype with the aim of simplifying the product structure and optimizing part-count As shown earlier, without proper analysis design solutions invariably tend to have too many parts Therefore, it is important to identify... assembly processes The intention is to promote the generation of design ideas and facilitate the matching and tuning of a design to a process, and The provision of methods and data to enable the exploration of design solutions for component manufacturing and assembly costs in the early stages of the design and development process To provide for the first point, a set of so-called manufacturing PRocess. .. of common manufacturing processes and material groups is included to illustrate the design costing process and quantify the effect of design choices and alternative process routes on manufacturing cost The work is presented in three main parts Part I addresses the background to the problem and puts process selection and costing into the context of modern product introduction processes and the application... Computer-aided Design Design for Assembly Design for Manufacture Design of Experiments Failure Mode and Effects Analysis Product Design Specification Product Introduction Management Process Information Map Quality Function Deployment Acronyms – manufacturing processes AJM ATB ATS CM CNC CW DB DS DFW DFB EBM EBW ECG ECM EDG Abrasive Jet Machining Automated Torch Brazing Automated Torch Soldering Chemical Machining... product in the market place As mentioned previously, in selecting processes and tuning designs for processing many factors need to be taken into consideration The manufacturing PRIMAs presented in this part of the book attempt to provide the knowledge and data required to underpin this decision making process provided by the various process selection strategies However, it is the PRIMAs that provide... detailed assessments regarding the technological and economic feasibility of a process Design considerations are provided to enable the designer to understand more about the technical feasibility of the design decisions made The process quality considerations give valuable information on process conformance, including data on process tolerance capability associated with characteristic dimensions A good proportion... more business process orientated approach to product development.) The process defines what the enterprise has to deliver The phases, the review points, and the technical and commercial deliverables are clearly defined, and the process aims to take account of market, product design, and manufacturing and financial aspects during each process stage The skill requirements are defined, together with the... overview of quality considerations including process capability charts for relating tolerances to characteristic dimensions To provide for the second point, techniques are put forward that can be used to estimate the costs of component manufacture and assembly for concept designs It enables the effects of product structure, design geometry and materials to be explored against various manufacturing... Techniques in design for manufacture and assembly 7 Fig 1.7 Pump assembly and test machine overall assembly results Fig 1.8 Results from 60 product studies Similar savings have been reported by others involved with the application of techniques in design for manufacture and assembly (1.34) It is also worth commenting that the designs coming out of the process tend to be more reliable and easier to manufacture. .. opportunity to exploit any benefits from alternative processes may be lost The greatest opportunity in design for manufacture occurs at the initial design stage, for while there are also possibilities for a product in production to be modified, there are many additional constraints This is also illustrated in Figure 1.1 On top of the problems of tooling and equipment, it is not uncommon to find that . costs, based on both design characteristics and manufacturing process routes. The cost associated with processing a design is based on the notion of a design independent basic processing cost and. assigned to a component design T ¼ process time in seconds for processing an ideal design of component by a specific process V ¼ volume of material required in order to produce the component V f ¼. process, including plant, labor, supervision and overheads, per second b ¼ process specific total tooling cost for an ideal design Units m ¼ meter mm ¼ micron/micrometer mm ¼ millimeter t ¼ ton