Knowledge-based Engineering of Automobile Sheet Metal Stamping Die Design
Date Issued
2009
Date
2009
Author(s)
Lin, Jhen-Yang
Abstract
Based on KBE(Knowledge-based Engineering) methodology, a design automation system for automobile sheet metal stamping die is proposed. The system integrates the feature recognition, process planning and die structure design, and the surface, feature, process and die structure data will be stored in the database. There are two goals to be achieved: one is assisting enterprises with preserving tacit knowledge of die design and promoting knowledge management; the other is accelerating the die design by automation. To represent the feature of sheet metal and the process of stamping die, this paper defines the feature protocol and process protocol. A sheet metal comparison algorithm based on the feature protocol is proposed, retrieving the similar design case more efficiently. The KBE system was implemented by Java language and embedded Spring Solid System for STEP file importing. The CATIA CAD platform was applied for the construction of die CAD model. Using of CATIA CAD model template is constructed the die template database. An architecture transforming process data into die model is also proposed. This paper also presentes the research method for connecting Java and CATIA platform, for connecting the bridge between KBE and CAD platform.
Subjects
Automobile Sheet Metal
Knowledge-based Engineering
Design Automation
Case-based Reasoning
Similarity Comparison
Knowledge Representation
Type
thesis
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