(A) Fuzzy Set Based Setup Planning Expert System Considering Fixturing Aspects for Machining of Prismatic Parts
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Date
2010
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Abstract
Systematic determination of the steps to convert a raw stock to a finished product is an important issue in manufacturing. It is the task of process planning to translate the design information of a part into manufacturing instructions. Process planning can be decomposed into several sequential phases, viz. design interpretation, process selection, setup planning, tolerance assignment, process parameter selection, and documentation [Xu et al. 2007]. Setup planning constitutes the core of a process planning system. Setup planning is the part of process planning concerned with the grouping of features into setups in their proper sequence, selecting datum for each setup, sequencing the setups and choosing appropriate machines, tools and fixtures. As manual planning is tedious and time consuming, efforts to automate process planning and setup planning have been going on since 1980s [ElMaraghy, 1993; Eversheim and Schneewind, 1993; Leung, 1996; Yip-Hoi, 2002; and Xu et al., 2007]. A feasible and optimal setup plan involves a number of constraints that are mutually conflicting considering technological, geometrical and economical aspects of both design and manufacturing domain. Nevertheless, the ultimate goal of automating setup planning is to achieve the desired quality of the finished product at the lowest possible production cost and with the minimum manufacturing time.
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Supervisor: U. S. Dixit
Keywords
MECHANICAL ENGINEERING, MECHANICAL ENGINEERING