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Research of Heterogeneous Part Library Supporting Variant Design

Author: ChenDengXu
Tutor: ShiDongYan
School: Harbin Engineering University
Course: Mechanical Design and Theory
Keywords: Parts Library Feature Variant Design Part categories
CLC: TP391.72
Type: Master's thesis
Year: 2009
Downloads: 87
Quote: 4
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Abstract


Currently, almost all CAD developers and CAD users in the CAD system developed content-rich library of standard parts , indeed bring some convenience to the designer . However , due to the lack of support for heterogeneous CAD systems , parts information exchange barriers , parts resources can not be effectively shared . In response to these issues , this article focuses on the parts library support heterogeneous CAD systems , and parts library variant design are discussed . Specific content : ① analysis of the the parts library 's building a database object , based on the different structural characteristics of the object of building a database as well as the existing parts modeling method , should determine the standard parts using parametric template modeling method similar pieces should be used to parametric feature modeling method . ( 2 ) in-depth study of building a database of heterogeneous parts library , based on building a database of objects and functional requirements for parts library to determine the dedicated interface using the CAD system to complete the establishment of heterogeneous parts library , and on this basis , the completion of the heterogeneous parts the overall structure of the repository design . ③ Part modeling techniques based on the characteristics of the study, completed the Classification and description of the characteristics of the part shape , feature information model of the parts of the analysis of the relationship between the shape feature of the model , as the parts of the characteristic modeling well theoretical preparation . ④ parts variant design a study to determine the classification of parts management is a necessary part variant design . Parts classification system , cluster analysis and genetic algorithm to find a similar pieces classification method based on genetic algorithms and verified shaft parts classification , for example . ⑤ Pro / E, UG secondary development interface and feature-based part design methods using the UDF have two software method , parameter-driven template file to complete the development of the parts library support module to achieve the parts library support heterogeneous CAD software .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Machine-assisted technology > Machine -aided design (CAD), aided drawing
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