AN APPROACH TO MODULAR MACHINE REDESIGN WITH CONSIDERATION OF FLUID FLOW
Keywords:
Modular design, interaction matrix, cluster identification, electrodepositionAbstract
The ever increasing need to develop new product range has forced industry to adopt new design and manufacturing strategies in order to response to customers need. One of the most powerful strategy is in the adoption of modular approach in machine redesign in order to achieve better parts commonality and integrity. This paper describes an approach in modular design for machine redesign by taking into account parts interaction and fluid-flow within a machine to derive a module, which fits assembly requirement and minimum leak arrangement. The approach uses product structure and product decompos ition to identify components. Components interaction based on assembly direction is used to construct the interaction matrix. The fluid flow within the structure is also constructed and the fluid interaction matrix is then combined with the interaction matrix. Clustering is then applied simultaneously using the extended triangularization algorithm. Interaction density is used as a measure of module preference and this is done by rearranging the components so as to achieve high interaction density module. This approach enables the designer to adopt new method in redesign where other factors are considered apart from assembly. An example ofelectrodepositing machine redesign is used to further describe the
approach .
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