数控专业《数控编程与加工技术》选择题

I塑料夹子模具设计XXX[摘要]随着全球经济迅猛发展，中国经济的发展尤为迅猛。人们对物质生活的需求也越来越高，从而使制造业的加工方向出现了多元化。而其中模具现在已经成为工业发展的基础，塑料模占模具总量的比例达到35%~40%，塑料成型模具的应用在不同种类的模具应用中占有重要地位。随着生活水平的提高，塑料制品产物的运用已遍及生活的每个角落，塑料成型工艺在基础工业中的地位日益重要。塑料模具可分为注塑、吹塑、挤出、压塑等。本设计关于塑料夹子的注塑模具设计，通过注射机注塑成型零件。运用CAD/SolidWorks等软件进行绘制，对注塑机的选用，塑件的选材，浇注系统的设计，分型面及型腔数量及布局形式的设计，导向、脱模及冷却系统、排气系统的设计、推出方式、成型零件的结构形式等，进行了设计计算。关键字：模具注塑模具塑料夹子UGIIPlasticclipdiedesignQiuSi-wenGrade2015,MechanicalDesign,Manufacture&Automation,SchoolofMechanicalEngineerig,ChongqingThreeGorgesUniversity,ChongqingWanzhou404000[Abstract]Withtherapiddevelopmentoftheglobaleconomy,therapiddevelopmentofChina'seconomy.Thereisalsoagrowingdemandformateriallife,sothatthemanufacturingdirectionofmanufacturingdiversification.Andthemoldhasnowbecomethefoundationofindustrialdevelopment,plasticmoldaccountedforthemoldtotalquantityproportionreached35%~40%,theapplicationofplasticmoldindifferentkindsofmoldusedoccupiesanimportantposition.Withtheimprovementoflivingstandards,theuseofplasticproductshasbeenspreadthroughouteverycorneroflife,plasticmoldingprocessinthebasicindustrystatusisincreasinglyimportant.Plasticmoldcanbedividedintoinjectionmolding,blowmolding,extrusion,plastic,etc..Thedesignofplasticclipinjectionmolddesign,injectionmoldingpartsthroughinjectionmoldingmachine.UsingCAD/SolidWorkssoftwarerendering,theselectionofinjectionmoldingmachine,plasticmaterial,gatingsystemdesign,surfaceandcavitynumberandlayoutdesign,orientation,strippingandcoolingsystem,exhaustsystemdesign,launchedway,formingpartofthestructureform,designandcalculation.KeywordDieInjectionmouldPlasticclipUG2011届机械专业毕业设计（论文）目录TOC\o1-3\h\u[摘要].............................................................................................................I[Abstract]......................................................................................................II第一章绪论..........................................................................................................11.1研究的背景..............................................................................................11.2.塑料模具的现状.....................................................................................11.3.模具的发展趋势.....................................................................................21.4.模具的种类与特点..................................................................................21.5.研究的方法.............................................................................................31.6研究的目的与意义..................................................................................3第二章注塑模具设计的基本知识........................................................................4第3章模具的结构形式......................................................................................53.1塑件分析.................................................................................................53.2材料：......................................................................................................63.3分型面位置的确定..................................................................................63.3.1选择分型面时，应考虑的基本原则...........................................73.4塑件的属性..............................................................................................73.5型腔的排列和布局..................................................................................83.5.1型腔数目的决定与下列条件有关...............................................83.5.2型腔的布局...................................................................................9图3.6型腔布局....................................................................................................9第四章注塑机的选择........................................................................................104.1注射量的计算........................................................................................104.1.1塑件的注塑压力.........................................................................104.1.2锁模力校核.................................................................................104.1.3开模行程校核.............................................................................11第五章浇注系统..................................................................................................135.1主流道设计............................................................................................135.1.1浇口套设计.................................................................................13XXX塑料夹子模具设计5.1.2分流道设计.................................................................................135.2浇口的设计............................................................................................155.2.1浇口的尺寸.................................................................................155.2.2冷料穴的设计.............................................................................166.1型腔设计................................................................................................176.2型芯的设计............................................................................................176.3凹模的工作尺寸计算....................................................................