Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/25049
Title: An integrated Process Planning and Robust Fixture Design System
Authors: WANG BINFANG
Keywords: set-up planning; fixture layout; feature-based technology; optimization; genetic algorithm; ant colony optimization
Issue Date: 25-Oct-2010
Source: WANG BINFANG (2010-10-25). An integrated Process Planning and Robust Fixture Design System. ScholarBank@NUS Repository.
Abstract: This research addresses the development of an integrated process planning and robust fixture design system. Integrative features, i.e., machining features, fixturing features, set-up features and machine resource features, are used to integrate the set-up planning, machining resource planning and fixture planning from product conceptualization to optimizing the product and its manufacturing processes simultaneously to meet cost and performance objectives. A hybrid fixturing-feature-based approach is presented to obtain the fixturing features. The developed ACO-based process planning system considers the selection of available machine tools, tolerance analysis and cost modeling simultaneously for achieving optimal set-up planning. A tolerance cost factor is introduced when machining error stack-up occurs. The developed robust fixture design approach treats a fixture layout as a multi-objective optimization problem which considers both the mean localization error and the variation of the mean localization error of the machining features in a set-up as well as the location stability and reliability. Non-dominated ACO and GA are presented to solve this multi-objective problem and the solutions are compared.
URI: http://scholarbank.nus.edu.sg/handle/10635/25049
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