轿车内定位垫片零件大批量生产的冲压模具设计

附录二外文原文Two,thehighspeedprocessingamould'sprocessesamachinetoolMouldfinishmachiningandhardcuttingtreatingrequirethatthenumericalcontrolhigh-speedmachinetool,formboard,modelputuptheprecisionprocessingneed,high-effectnumericalcontrolmachinetooletc.Themouldaimingatproducesalotofmachinetoolenterprise,sometreatingcentres60%allaboveofthemachinetoolproducingafactorysellsenterprisetoamould.Thefixedassetshaving5billionyuanwithoutexceptionintheupcomingseveralyearsthrowsintomouldindustry,80%isthemachinetoolbuyingamouldprocessequipment,justsayingeveryyearhaving4billionyuanofRMBtobuyJinqieamongthem.Atpresentaverageourcountrynumericalcontrolmachinetoolutilizationratioapproximately20%,thehigh-speedmachinetoolutilizationratio3~5%.Also,mouldenterprisehastheunitsuitabletobuyahigh-speedmachinetool,complieswith6000~40000rmp'stohave.1high-speedmachinetooltechnologyparameterdemandsProcesscentrechiefaxishigh-power,highrotationrate,satisfiedrudefinishmachining;Thefinishmachiningmouldwantstoneedtoreach15000~20000rmplikethecutter,themachinetoolwithminordiameter.Generally,thechiefaxisrotationratemachinetoolunder10000rpmcancarryoutroughprocessandhalffinishmachining,cannotreachthefinishmachiningaccuracy;Havenowaytoreach400theabovem/mincuttingspeed.2fivescrollsofmachinetoolsapplicationincreasesatrend1)treatingrouteisnimble,thesurfaceformiscomplicated;2)treatingrangeisbig,thevarioustypemouldsuitableprocesses;3)cutslife-spanofconditioneasytocutdowncutterwear,toraiseacutter,;3thesoftwaresbuyingCAD/CAMandhigh-speedmachinetoolsassortOnthegroundsofthemachinetool,majorpartcounting,havingseveralbillionsU.S.dollartobeusedtoenterporteveryyear,theelectromachiningmachinetoolandthehigh-speedmachinetoolneedtoimport.Three,quick-cuttingmouldcuttertechnologyQuick-cuttingprocessesthecutterneedingallocatingproperquick-cutting.Progressingprocessingcuttermaterial'sinhighspeedhasurgeddevelopmentofhighspeedtreating.Thecutter,knifeedgeheadquarterandhightenacitybasegatheringcrystalstrengtheningtheceramicscutterbeingabletobeusedgivingconsiderationtohighhardnessexperienceandobservecarbidealloycoatingbecomingpossibility.Gatherthecrystalcubenitridingboron(PCBN)bit,whosehardnessmayamountto3500~4500HV.Gathercrystalmiamond(PCD)it'shardnessbutamountto6000~10000HV.GermanySCS,JapanMitsubishi(magicalsteel)andSumitomo,SwitzerlandShanteweike,USAKennaareinrecentyearsswiftlylargewaitforthefamousabroadcuttercompanytosuccessivelyhavedebutedtherespectivequick-cuttingcutter,notonlycutterhavingaveragestructuralsteelofquick-cutting,theceramicscutterstillhavingdirectquick-cuttingofenergyquenchinghardsteeliswaitingforaneffecttosurpassthehardcutter,especiallythecoatingcutterappearsallofasudden,bringingintoplayinquenchinghalffinishmachiningandfinishmachiningofhardsteel.Newcuttermaterialandcuttertechnologyappearingalreadymakethebottleneckproblemthathighspeedhasprocessednolongerbeabletoappearonthecutter.But,expensiveentrancecutterpricealsoblocksquick-cuttingmouldkeyfactor.Abovetocometosayingthecutterandthecutterholderaccelerationreach3gsthesort,thecuttercircularrunoutneedstobesmallerthan0.015mm,buttheknifelengthisunablegreaterthan4timescuttersdiameter.TherealityaccordingtoSANDVIKcompanyhascounted,thecarbidealloyhasstoodonintheentiretyusingcarbonnitridingtitanium(TICN)coatingwhenmillingcutters(58HRC)carryouthighspeedbrightmetalchopping,roughprocesscutterlinearspeedhasbeen100m/minabout,whoselinearspeedhasexceededbut280m/minwhenfinishmachiningandmicrostoning.Suchdemandstocuttermaterial(includethehardness,tenacity,redhardnesskeeptheform(includerowofcrumbsfunction,surfaceaccuracy,dynamicbalancesexetc.(cuttingthefunction),thecutterunderhightemperaturestate))aswellascutterlife-spanallhasveryhighly.Experienceaccordingtointhehomelandmouldhighspeedfinishmachining,linearspeedhasexceeded400~800m/minwhenadopttheyoungdiameterballheadmillingcuttertocarryoutmouldfinishmachining.Themachinetoolchoosingsufficienthigh-speed'scutsmouldfinishmachiningstiffly.Delcamadopt0.8mmdiametercuttertoprocessthenarrowslot,rotationrate40000rpm,0.1mmdepth,feedspeed30m/min.Five,quick-cuttingrouteprocessingacutterandprogramming1)flatsurfacefeedstheroutechoice2)2)outlinesprocesstheroutechoice3)Keepcuttingloadingstable4)keepsrelativelystablemovingforwardgivingamountsandfeedspeed5)keepsthegardencornerinflatsurfacecutting6)choosesthefinishmachiningmarginrationallyProgrammingdemandofHSCfinishmachiningtoCAM:1)thebrightmetalavoidingacornertothefullcutsmotion;2)triesone'sbesttoavoidexternalfeedofworkpieceandenternextdepthreturnknifemotion,directfromtheoutline.Oradoptahelicallineorbeingsureenterslantingtomovingforward;3)constanteachedgefeed,improvethequality,prolongscutterlife-span;4)outlinetreatingarekeptwaitinginlevelsurface.Quick-cuttingCAMsoftware:Severalyearsagowillhavestartedquick-cuttingprocessingprogrammingtechnologyresearch,theDelcamcompany,hasdevelopedthequick-cuttingautomationprogrammingsoftwaremodule;Lately,theMasterCAMcompanyhasalsodevelopedthequick-cuttingautomationprogrammingsoftwaremodule;Youalsoareininthehomelandnorthnavigationdevelopingthequick-cuttingautomationprogrammingsoftwaremodule。目录第一章项目总论 -1-§1.1项目简介 -1-§1.2可行性研究的范围 -2-§1.3编制依据 -2-第二章项目建设背景及必要性 -3-§2.1橡胶密封件项目提出的背景 -3-§2.2国家产业政策 -6-§2.3项目建设的必要性 -8-第三章项目优势 -11-§3.1市场优势 -11-§3.2技术优势 -16-§3.3组织优势 -17-§3.4政策优势:关中—天水经济区发展规划 -17-§3.5区域投资环境优势 -17-第四章产品介绍与技术介绍 -20-§4.1橡胶密封件产品介绍 -20-§4.2产品标准 -21-§4.3产品特征及材质 -21-§4.4产品方案 -26-§4.5产品技术来源 -27-第五章项目产品发展预测 -28-§5.1产品行业关联环境分析 -28-§5.2行业竞争格局与竞争行为 -33-§5.3竞争力要素分析 -39-§5.4项目发展预测 -41-§5.5竞争结构分析及预测 -43-第六章项目产品规划 -47-§6.1项目产品产能规划方案 -47-§6.2产品工艺规划方案 -47-§6.3项目产品营销规划方案 -51-第七章项目建设规划 -58-§7.1项目建设总规 -58-§7.2项目项目建设环境保护方案 -61-§7.3项目建设节能方案 -65-§7.4项目建设消防方案 -66-§7.5项目建设生产劳动安全方案 -69-第八章项目组织实施情况 -73-§8.1项目组织 -73-§8.2项目劳动定员和人员培训 -74-§8.3项目管理与实施进度安排 -77-§8.4工程招标 -80-第九章项目财务评价分析 -82-§9.1项目总投资及资金筹措 -82-HYPERLIN