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摘 要
本文的課題是支架的沖壓工藝及模具設計，進行了落料—沖孔復合模及折彎單工序模兩套模具的設計。文中簡要概述了選題的目的、意義、沖壓件國內(nèi)外現(xiàn)狀和模具市場發(fā)展趨勢。對產(chǎn)品進行了詳細工藝分析和工藝方案的確定。按照沖壓模具設計的一般步驟，計算并設計了這兩套模具上的主要零部件。落料—沖孔復合模采用四導柱標準模架，折彎模采用中間導柱圓形標準模架并選用了合適的沖壓設備。此外，最后達到設計的模具沖壓工藝方案合理,模具結構型式正確。保證了工件上孔和外形的相對位置的準確性，提高了加工精度。如此設計出的結構可確保模具工作運行可靠和沖壓產(chǎn)品大批量生產(chǎn)的要求。并且通過對現(xiàn)有知識表達方法及其存在的問題、以及沖壓模具智能化設計特點的分析,提出了基于XML (eXtensible Markup Language)語言的知識表達與應用方法。在設計知識重用理論及概念模型的基礎上,研究分析了沖壓模具設計各個階段知識重用的方法,建立了設計知識重用的層次與模型,并分析提出了在CAD、KM和CBR技術基礎上,如何實現(xiàn)整個設計過程的知識重用的方法
關鍵詞：落料-沖孔復合模；單工序折彎模；隔位沖壓；XML
Abstract
Topic of this paper is the stent stamping process and die design, carried out blanking - punching and bending modulus composite single-mode sets the mold design process. This paper briefly outlines the purpose, significance, stamping mold market situation and development trend of domestic and international topics. The product was analyzed to determine the detailed processes and process solutions. Following the general procedure of stamping die design, calculation and design of the main components of these two sets of mold. Blanking - Punching Compound Die four-pillar standard mold, bending mold using the middle pillar round standard mold and selected the appropriate stamping equipment. In addition, the final design of the mold stamping process to reach reasonable solutions, mold structure type is correct. Ensuring the accuracy of the relative position of the holes and the shape of the workpiece, to improve the machining accuracy. Such a structure designed to ensure reliable operation and stamping mold work product requirements of mass production. And the analysis of existing knowledge representation and its problems, as well as intelligent stamping die design features, the proposed method is based on knowledge representation and application of XML (eXtensible Markup Language) language. Knowledge reuse in design theory and conceptual model, based on research and analysis of the various stages of stamping die design knowledge reuse method to establish the level of design knowledge reuse and model, and analyzes presented in CAD, KM and CBR technology, based on how the way to achieve knowledge reuse throughout the design process
Key words: Blanking-punching compound die；Single-slot module processes；Stamping separated spaces；XML