Lecture 4-Part 2-Process selection

Lecture 4-Part 2-Process selection - MTL 700 Lecture 4...

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MTL 700 Lecture 4 Part2: Process selection Strategy
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How is a processing route chosen? The selection of a process is not a straightforward matter. There are many factors which need to be considered, E.g. : size of component, material to be processed and tolerance on dimensions. All processes have slightly different capabilities, there is also a large overlap -
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Strategy to select processes Systematic approach Systematic approach : match the attributes of the process to the requirements of the design 4 Steps Translate design requirements Screen out processes that do not do the job using constraints Rank remaining processes Page 3 Figure :The selection strategy applied to processes. As for materials, the four steps are translation, screening, ranking and supporting documentation. .
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Translation The function of a component dictates the initial choice of material and shape. This choice exerts constraints on the choice of processes. Think of two types of constraint: technical —can the process do the job at all? And quality —can it do so sufficiently well ? One technical constraint applies across all process families: it is the compatibility of material and process .
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Translation Shape is a general constraint, it influence on the choice of shaping, joining and finishing processes. Quality
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Lecture 4-Part 2-Process selection - MTL 700 Lecture 4...

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