Abstract
Insufficient technologies made good integration between the die components in design, process planning, and manufacturing impossible in the past few years. Nowadays, the advanced technologies based on Standard for the Exchange of Product model data are making it possible. This article discusses the three main steps for achieving the complete process planning for prismatic parts of the die components. These three steps are data extraction, feature recognition, and process planning. The proposed computer-aided process planning system works as part of an integrated system to cover the process planning of any prismatic part die component. The system is built using Visual Basic with EWDraw system for visualizing the Standard for the Exchange of Product model data file. The system works successfully and can cover any type of sheet metal die components. The case study discussed in this article is taken from a large design of progressive die.
Highlights
The die design and manufacturing industry represents a good application for the integration between the computer-aided design (CAD), computer-aided process planning (CAPP), and computer-aided manufacturing (CAM)
The proposed CAPP system is constructed based on the three main steps for extracting, recognizing, and building the automated process planning for the prismatic die components
The part geometric information is extracted from STEP AP 203 file using object-oriented technique
Summary
The die design and manufacturing industry represents a good application for the integration between the computer-aided design (CAD), computer-aided process planning (CAPP), and computer-aided manufacturing (CAM). The proposed CAPP system is constructed based on the three main steps for extracting, recognizing, and building the automated process planning for the prismatic die components. A lot of effort has been made to address the issues in CAPP, feature recognition, and die design problems, there is a need to integrate CAD/CAM technologies through an independent and stand-alone CAPP system for die components The significance of such a proposed application system based on STEP is its extensibility and integration with any existing CAD system. There is some difference between the circular hole and circular pocket based on diameter-to-height ratio To address all these issues, a stand-alone feature recognition and process planning system is proposed for progressive die set.
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