Manufacturability evaluation of injection molded plastic models using a CAD based DFX evaluation system
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United States of America Patent
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Jul 10, 2012
Grant Date -
Apr 21, 2011
app pub date -
Jun 9, 2010
filing date -
Oct 19, 2009
priority date (Note) -
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Abstract
A method of automatic manufacturability evaluation of plastic models comprises generation of a likely pulling direction, recognition of common features on plastic parts, and then applying manufacturability rules The manufacturability rules can be specified and customized through user specified rule parameters and depend upon the geometric parameters of the recognized features. A system comprises a user interface for selection and customization of DFX (Design for ‘X’) rules for evaluation of a design. The system includes a user interface integrated with a CAD system for receiving the CAD data and displaying the results to the user. Geometry analysis engines are integrated into the system, for extracting the various features and corresponding parameters required as input to the manufacturability rules. The system further involves extensible interfaces for rules and analysis engines which allows users to write their own customized rules and engines and integrate these into the CAD based DFX evaluation system.
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