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1、陜西理工學(xué)院畢業(yè)設(shè)計(jì)(論文)基于UG的鼠標(biāo)逆向工程和雕銑加工(陜西理工學(xué)院機(jī)械工程學(xué)院機(jī)自071班,陜西漢中723003)指導(dǎo)老師【摘要】逆向工程已成為當(dāng)今CAD/CAM領(lǐng)域內(nèi)研究的熱點(diǎn)之一。逆向工程能夠提高設(shè)計(jì)精度,獲得較高的模型質(zhì)量,縮短設(shè)計(jì)周期。因此,它具有廣闊的應(yīng)用前景,受到各國工業(yè)界和學(xué)術(shù)界的高度重視。本設(shè)計(jì)重點(diǎn)介紹了利用UG軟件根據(jù)鼠標(biāo)的點(diǎn)云數(shù)據(jù)進(jìn)行鼠標(biāo)的模型重建并利用雕銑機(jī)加工出鼠標(biāo)的模型,在根據(jù)點(diǎn)云逆向設(shè)計(jì)中,結(jié)合設(shè)計(jì)需要進(jìn)行了必要的正向設(shè)計(jì)修正,以得到理想的設(shè)計(jì)結(jié)果。設(shè)計(jì)內(nèi)容貫穿數(shù)據(jù)采集、
2、數(shù)據(jù)預(yù)處理、文件讀取、邊界提取,曲面重構(gòu)、實(shí)體生成、雕銑機(jī)的操作和注意事項(xiàng)。選用UG4.0軟件的UnigraphicsCAD/CAM/CAE系統(tǒng)提供了一個(gè)基于過程的產(chǎn)品設(shè)計(jì)環(huán)境,使產(chǎn)品開發(fā)從設(shè)計(jì)到加工真正實(shí)現(xiàn)了數(shù)據(jù)的無縫集成,從而優(yōu)化了企業(yè)的產(chǎn)品設(shè)計(jì)與制造?!娟P(guān)鍵詞】逆向工程,雕銑加工,數(shù)據(jù)采集,曲面重構(gòu),實(shí)體生成第55頁共56頁陜西理工學(xué)院畢業(yè)設(shè)計(jì)(論文)ReverseengineeringofamousebasedonUGandprocessingofEngravingandmillingmachine
3、s(Grade07,Class1,Majormachinedesignmanufactureandautormation,schoolofMechanicalEngineering,ShaanxiUniversityofTechnology,Hanzhong723003,Shaanxi)Abstract:ReverseengineeringhasalreadybecomeoneoftheresearchfocusesincurrentCAD/CAMstudy。Reverseengineeringcanenh
4、ancetheprecisionofdesign,producehighqualitymodelandshortenthecycleofdesignandmanufacture.Asaresult,itholdsoutbroadprospectsforapplicationandisthoughthighlyofinbothindustrialandacademiccirclesinmanycountries.Inthisdesign,accordingtothepointclouddataofthemou
5、semodelisreconstructedwithUGsoftwareandmakinguseofEngravingandmillingmachinestoprocessthemousemodel。Duringthereversedesignofpointcloudcombinedwiththeneedofthedesignpositivedesignmodificationisdoneinordertogetidealdesignresult。Thecontentincludedatacollectio
6、n,datapreprocessing,filesreading,boundariesextracting,curvedfacereconstruction,solidgeneration,operationofEngravingandmillingmachinesanditsmattersneedattention。UnigraphicsCAD/CAM/CAEsystemofUGNX4.0providesadesignenvironmentbasedonprocessoftheproductandmkes
7、theproductdevelopmentfromdesigntoproductioncompletejointlessintegrationofdata,thusoptimizestheproductdesignandproductionintheenterprise。Keywords:Reverseengineering,processingofEngravingandmillingmachines,datacollection,curvedfacereconstruction,solidgenerat
8、ion第55頁共56頁陜西理工學(xué)院畢業(yè)設(shè)計(jì)(論文)1緒論1.1逆向工程原理在瞬息萬變的產(chǎn)品市場中,能否快速地生產(chǎn)出合乎市場要求的產(chǎn)品就成為企業(yè)成敗的關(guān)鍵。由于各種原因往往我們都會(huì)遇到只有一個(gè)實(shí)物樣品或手工模型,沒有圖紙或CAD數(shù)據(jù)檔案,有時(shí)甚至可能連一張可以參考的圖紙也不存在,沒法得到準(zhǔn)確的尺寸,這就為我們在后續(xù)的工作中采用先進(jìn)的設(shè)計(jì)手段和先進(jìn)的制造技術(shù)帶來了很大的障礙,制造模具也就更為煩雜。但是逆向工程技術(shù)很好