NDLI: Identifying Common Platform Shape for a Family of Components

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Natarajan, Manojkumar Siddique, Zahed
Copyright Year	2004
Abstract	To survive in today’s volatile and changing markets, companies are now faced with the problem of providing more customization, greater quality, faster response, more innovative designs and lower prices. New models need to be introduced in the market more frequently, which has given momentum to design product platforms. Use of common components can reduce the design and manufacturing time significantly. Determining commonality among different components is a key to reducing the new product design cycle time. CAD files can be used as a means to measure commonality for a set of similar components. This paper presents a tree-based approach to compare a set of similar 3D CAD models, measure shape commonality and identify the common platform shape. First a mapping of the solid models using the IGES format to IPG (IGES Parametric Graph) has been developed. The IPG, a Labeled Attribute Tree, is used to capture the three dimensional shape and design attributes along with the function of the component. The IPGs are then used to obtain a commonality index and establish a common platform for a set of similar products. The applicability of the method is demonstrated using CAD models of a family of casing. This research can also be applied to identify existing components that can be reused in new products.
Sponsorship	Computers and Information in Engineering Division
Starting Page	23
Ending Page	30
Page Count	8
File Format	PDF
ISBN	0791847047
DOI	10.1115/IMECE2004-61133
Volume Number	Computers and Information in Engineering
Conference Proceedings	ASME 2004 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2004-11-13
Publisher Place	Anaheim, California, USA
Access Restriction	Subscribed
Subject Keyword	Design Cycles Three-dimensional computer-aided design Solid models Momentum Product design Shapes Computer-aided design Manufacturing
Content Type	Text
Resource Type	Article

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