發(fā)布時(shí)間：2018-03-08 16:17

  本文選題：變異設(shè)計(jì)　切入點(diǎn)：結(jié)構(gòu)移植　出處：《浙江大學(xué)》2011年碩士論文　論文類型：學(xué)位論文

【摘要】：產(chǎn)品變異設(shè)計(jì)是為了滿足客戶個(gè)性化需求,通過改變?cè)凶儺惢Ｐ徒Y(jié)構(gòu)實(shí)現(xiàn)產(chǎn)品零件結(jié)構(gòu)創(chuàng)新設(shè)計(jì)的一種方法,對(duì)于提高產(chǎn)品設(shè)計(jì)效率具有重要意義。本文研究變異設(shè)計(jì)中的結(jié)構(gòu)移植技術(shù),提出了零件結(jié)構(gòu)劃分與移植結(jié)構(gòu)提取方法,基于面位姿的移植結(jié)構(gòu)搭接技術(shù)以及基于設(shè)計(jì)結(jié)構(gòu)矩陣的移植結(jié)構(gòu)約束重建技術(shù),開發(fā)了基于Pro/E的零件變異結(jié)構(gòu)移植功能模塊,并針對(duì)數(shù)控裝備以及注塑機(jī)進(jìn)行了設(shè)計(jì)應(yīng)用驗(yàn)證。 第一章介紹了現(xiàn)階段變異設(shè)計(jì)及其相關(guān)技術(shù)發(fā)展現(xiàn)狀,分析了相關(guān)技術(shù)所存在的問題,給出了本文的研究意義與研究內(nèi)容,介紹了本文的組織結(jié)構(gòu)。 第二章研究零件結(jié)構(gòu)劃分與移植結(jié)構(gòu)提取方法,利用功構(gòu)映射方法對(duì)產(chǎn)品結(jié)構(gòu)進(jìn)行解析,對(duì)三維模型進(jìn)行虛擬劃分與重組,完成結(jié)構(gòu)單元分離的可行性理解。利用包圍盒確定不同的結(jié)構(gòu)單元的邊界范圍,利用分割環(huán)的方法對(duì)能夠分割的移植結(jié)構(gòu)進(jìn)行分離,并進(jìn)行原有結(jié)構(gòu)約束的解除以及預(yù)處理。 第三章研究移植結(jié)構(gòu)幾何搭接技術(shù),針對(duì)不同結(jié)構(gòu)定義或者創(chuàng)建不同的搭接面,利用搭接面與輔助幾何參考生成搭接坐標(biāo)系與預(yù)處理過變異基模型局部坐標(biāo)重合的方式實(shí)現(xiàn)幾何拓?fù)浯罱?通過制定統(tǒng)一規(guī)范的搭接形式提高變異效率。 第四章研究基于設(shè)計(jì)結(jié)構(gòu)矩陣(DSM)的移植結(jié)構(gòu)約束重建技術(shù),根據(jù)模型內(nèi)部約束關(guān)系提取出設(shè)計(jì)結(jié)構(gòu)矩陣,通過調(diào)整結(jié)構(gòu)生長與約束關(guān)系進(jìn)行設(shè)計(jì)結(jié)構(gòu)矩陣的變換,進(jìn)一步利用全過程關(guān)聯(lián)的設(shè)計(jì)結(jié)構(gòu)矩陣進(jìn)行變異設(shè)計(jì)的引導(dǎo)。 第五章介紹面向數(shù)控裝備與注塑機(jī)的復(fù)雜零件變異設(shè)計(jì)模塊,該模塊作為兩個(gè)項(xiàng)目的重要組成部分,實(shí)現(xiàn)了變異設(shè)計(jì)的方法,解決實(shí)際設(shè)計(jì)中遇到的難題,實(shí)現(xiàn)快速設(shè)計(jì)重用。 第六章總結(jié)本文的研究成果與特色,以及基于三維造型軟件進(jìn)行二次開發(fā)的零件變異結(jié)構(gòu)移植功能模塊的應(yīng)用效果,并對(duì)今后進(jìn)一步的研究工作進(jìn)行展望。
[Abstract]:Product variation design is a method to realize the innovative design of product parts structure by changing the original variation base model structure in order to meet the individual needs of customers. It is of great significance to improve the efficiency of product design. In this paper, the technology of structure transplantation in variant design is studied, and the method of structure partition and structure extraction is put forward. In this paper, the transplantation structure transfer function module based on Pro/E is developed, which is based on the plane orientation technique and the design structure matrix technology. The design and application of NC equipment and injection molding machine are verified. The first chapter introduces the current situation of variation design and its related technologies, analyzes the problems existing in the related technologies, gives the significance and content of this paper, and introduces the organizational structure of this paper. In the second chapter, the structure partition of parts and the extraction method of transplanted structure are studied. The product structure is analyzed by the method of work structure mapping, and the 3D model is divided and reorganized. The bounding box is used to determine the boundary range of different structural elements, the partitioning loop is used to separate the transplantable structure that can be divided, and the original structural constraints are removed and preprocessed. In the third chapter, we study the geometric overlap technology of transplanted structures, which can define different structures or create different overlapped surfaces. The overlap coordinate system of lap plane and auxiliary geometric reference is used to realize the superposition of local coordinates of preconditioned overvariant basis model, and the variation efficiency is improved by making the uniform form of overlap. In Chapter 4th, the transplant structure constraint reconstruction technique based on DSM (Design structure Matrix) is studied. According to the constraint relation within the model, the design structure matrix is extracted, and the transformation of the design structure matrix is carried out by adjusting the structure growth and constraint relation. Furthermore, the design structure matrix associated with the whole process is used to guide the mutation design. Chapter 5th introduces the design module of complex parts variation for NC equipment and injection molding machine. As an important part of two projects, the module realizes the method of variation design and solves the problems encountered in practical design. Rapid design reuse is realized. Chapter 6th summarizes the research results and characteristics of this paper, and the application effect of the functional module of part variant structure transplantation based on 3D modeling software, and prospects for further research work in the future.
【學(xué)位授予單位】：浙江大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2011
【分類號(hào)】：TH122;TP391.72

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