天津职业技术师范大学TianjinUniversityofTechnologyandEducation毕业设计专业：材料成型及控制工程班级学号：材料0612-01学生姓名：AB指导教师：CD讲师二〇一一年六月天津职业技术师范大学本科生毕业设计鼠标底座逆向设计与模具设计Themousebasereversedesignandmolddesign专业班级：材料0612学生姓名：指导教师：讲师学院：机械工程学院2010年6月摘要随着计算机技术的迅速发展，计算机三维造型技术特别是逆向工程技术在工业上已经得到了广泛的应用。为了解决塑料产品外形设计周期长的困难，该课题研究了鼠标外形的逆向工程造型方法，并对逆向工程概念、方法进行系统的阐述，同时又以鼠标为例详细介绍了对鼠标外形进行逆向工程的步骤。将逆向工程技术应用到塑料鼠标模具的设计与制造中，从而实现注塑模的快速设计与制造。本课题主要是鼠标底座的逆向设计与模具设计,首先采用三坐标测量仪采集数据，利用UG和Imageware软件进行点云数据处理、模型重建。然后通过对塑件进行工艺的分析和比较,最终设计出一副注塑模具来生产鼠标底座塑件产品，以实现自动化提高产量。该课题从产品结构工艺性，具体模具结构出发，对模具的浇注系统、模具成型部分的结构、顶出系统、冷却系统、注塑机的选择及有关参数的校核、都有详细的设计，针对鼠标底座的具体结构，该模具是潜伏式浇口的单分型面注射模具，通过整个设计过程表明该模具能够达到此塑件所要求的加工工艺。关键词：逆向工程；点云；鼠标；注塑模具；分型面ABSTRACTWiththerapiddevelopmentofcomputertechnique,thetechnologyof3Dcomputer-aidedprototyping,especiallytheReverseEngineering,hasbeenmorewidelyusedinindustry.Inordertosolvetheplasticproductappearancedesigncyclelongdifficulties，Thisresearchamouseshapemodellingofreverseengineeringandthemethodstoreverseengineeringconcept,methods,systematicexpatiationonthemouseagainatthesametimeasanexampleofthemouseshapeintroducedindetailthestepstoreverseengineer.Willreverseengineeringtechnologyisappliedtoplasticmousediedesignandmanufacture,soastorealizetherapidinjectionmolddesignandmanufacturing.Thistopicisthebaseofthereversedesignisthemousewithmolddesign,firstadoptthreecoordinatesmeasuringinstrumentgatheringdata,usingUGandImagewaresoftwaretothepointclouddataprocessing,modelreconstruction.Thenthroughtheplasticpartsforprocessanalysisandcomparison,thefinaldesignoutapairofinjectionmoldtoproduceamousebaseplasticproduct,inordertorealizeautomationtoincreaseproduction.Thistopicfromproductstructuretechnology,basedonthemouldstructure,specifictomouldgatingsystem,thestructureofitsmoldingpart,ejectionsystem,coolingsystem,theinjectionmoldingmachineselectionandrelatedparameterchecking,havedetaileddesign,accordingtothespecificstructureofmousebasethemouldislatenttypegateofsinglepartingsurfaceinjectionmould,throughthewholedesignprocessshowsthatthemoldcanachievetherequiredplasticpartsprocessing.KeyWords：ReverseEngineering；PointCloud；Mouse；InjectionMold；PartingSurface目录1绪论.................................................................11.1选题背景及意义....................................................11.2模具的种类........................................................11.3模具的应用........................................................11.4逆向工程原理......................................................21.5逆向工程特点......................................................21.6逆向建模的一般流程图..............................................31.7逆向工程的应用领域................................................32逆向建模..............................................................42.1逆向工程一般步骤............
