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Parametric CAD/CAPP Technology Based on CBR

Author: PangLongLiang
Tutor: WangZongYan
School: University of North
Course: Aviation Aerospace Manufacturing Engineering
Keywords: Case-based reasoning Parameterized CAD / CAPP Knowledge base
CLC: TP391.72
Type: Master's thesis
Year: 2010
Downloads: 100
Quote: 1
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Abstract


For a long time, for product design CAD ??system for process planning CAPP systems are separated from each manufacturing to information technology, digital development process continues to accelerate , the inevitable requirement to achieve information integration of the two applications . In this background as a starting point , the study of the basic principles and key technology of parametric CAD / CAPP system of case-based reasoning , has developed a system platform . Specific work are as follows : (1) describes the need for CAD / CAPP integration and development trends , combined with business needs , and discusses the significance of the study based on the the instance reasoning of the three-dimensional generalized environment parametric CAD / CAPP system . ( 2) analysis of commonly used CAD systems and CAPP system integration method chosen based reasoning, the development of CAD / CAPP system engineering knowledge database to study the basic principles of case-based reasoning technology , engineering data repository specific development methodology . ( 3 ) the use of a similar principle , reusable principle of case-based reasoning technology , design knowledge base technology , Parametric Technology developed a parametric CAD modules parameterized CAD module parts modeling , knowledge constraints , design for manufacturing design and key technologies . ( 4 ) analysis of the current CAPP development of common methods , the use of the principle of case-based reasoning technology , developed design knowledge - based data - driven , process knowledge constraints modify the typical process template derived parameters of CAPP module . ( 5) -based the instance reasoning Parametric CAD / CAPP system - Tunnel Dual Column stacker parametric CAD / CAPP system , a brief introduction to the basic framework and workflow .

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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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