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鄭州航空工業(yè)管理學(xué)院英文翻譯2012屆機(jī)械設(shè)計(jì)制造及其在自動化專業(yè)1006962班級姓名郝振興學(xué)號100696208指導(dǎo)教師賀紅霞職稱教^~~一二0一二年三月十二日---NewTrendsandProblemsinMaterialProcessingMachine
DesignTheoryAbstract:Basedonreviewingthehistoricalbackground,prospectingforthedevelopmenttrend,analyzingthecomplicacyandmechanismandsummingupsomeachievementsandexperiencesinscientificresearch,severalnewproblemsandthepossibledirectionofdevelopmentinmaterialprocessingtechnologyandmachineareproposed,suchas,producingnewconceptmaterialspossessingsomespecificandextraovdinarypropertiesbymeansofintegratingandcoalescingconelativefrontierscienceandtechnology;andthereafterabriefdiscussionisgiven.Keywords:interface;extraordinaryphysicalfield;processionmachine;functionmaterialTheTimeBackgroundofMaterialProcessingMachineInthelongspanofhistoryofhumanprogress,manytools,machinesandmethodswerecreatedandavarietyofmaterialswithdifferentpropertieswereprocessed.Materialsanditsprocessinghavebecomeoneofpillaranddrivingforceofmankindprogress.Inpacewithmulti-polarcompetitionincurrentworldandpeople’sstrivingperseveringlyforhappierlife,materialfunctiongoesbeyondunceasinglymen’sknowledgeandimagination,forexample,crypticfunctionmaterial,semiconductormaterial,energymaterial,vibration-absorptivematerial,super-strengthaluminumalloyaccountingfor70percentofapplicationofaeronauticsandspace,metalfoilof4?5Am,deepdrawingplatewithanisotropybelow1percent,electronicaluminumfoilwithmicro-orientationupto95percent,heatresistingaluminumalloywithsuperstrongspecificstrengthusedinaeronautics,spaceanddeepsea,etc.Thusseveralimportantdevelopmenttrendswithdistincttimefeaturesinmaterialprocessingdomainareshapedupasfollows:Creatingmaterialprocessingmachinewithextraordinaryphysicalfieldforprocessingmaterialwithspecialtexturestructuresandfunctions.Forexample,applicationsofthermalenergyandmechanicalenergyarebreakingthroughunceasinglytechnologylimit,andsomenon-traditionenergy,suchasmicrowave,chemicalenergy,bioenergy,etc.,areintroducedintomaterialprocessingprocedureoneafteranother,sothatsomematerialprocessingmachineswithextraordinaryenergycircumstanceareproduced.Breakingthroughtraditionalphysicallimitsandintegratingmelting,solidifying,plasticdeformationandheattreatmenttoobtainspecialfunctionofmaterialandcutdownexpenses[3].Forexample,near-netshapingmaterialprocessingtechnology,suchasfastrolling,sprayingdeposition,over-plasticmolding,injectionmolding,highenergybeam,etc,isapplied.Materialprocessingprocessisforgedaheadinthedirectionofhighspeed,heavy-dutyandhighaccuracyonlinecontrol,forinstance,therollingspeedgoesupto130m?s-1,thedeformationpressurerisesupto300MPa,accuracyofdimensionupto0.1Am,accuracyofshapeupto0.1I,strengthaccuracycomesupto0.1MPa.Forthesereasons,itisnecessaryformaterialprocessingmachinedesigntheorytointegrateandcoalesceingeniouslycorrelativefrontierscienceandtechnologytocreateandproducesomenewconceptmaterialprocessingmachinewithfollowingfunctions.DueFunctionsofNewConceptMaterialProcessingMachineTohavetheabilitytoproduceandbearextraordinaryphysicalfieldandtransmitextraordinaryenergyflowwiththeaimofprovidingextraordinaryphysicalcircumstancesnecessaryfornewconceptmaterialprocessing.Forexample,highgradienttemperaturefieldwiththespeedofcool-downofworkinterfacewhichexceeds104?106K?s-1,linewaveandpulsecomplexexertedinsolidifying-deformingarea,super-strengthcontactstressfieldofmaterialforminginterface,turbulentflowfieldofmoltenmetalwithverybigflakinessratio,lowfrequencymagneticfieldwithrandomfrequency,microwavefieldforpowdermetalheating,ultrasonicfieldforlargevolumesolidifying,etc.[4],areapplied.Tohavetheabilitytoworkincriticalstatesothathighstabilityandidealperformanceofprocessingmachineisensuredunderthecircumstanceofreinforcedtechnologicalconditionandmulti-fieldcouplingoperation.Forexample,chattersuppressingcapabilityoffastultra-thinrollingundertheconditionofboundarylubricatingstate[5],thecapabilityofself-excitedvibrationsuppressingundertheconditionofspecialfrictionstate,synergismstabilityanddisturbancestabilityofflexibleconnectingparallelshaftwithmulti-drivingsystem,etc.[4],areensured.Tohavetheabilitytoaccuratelycontrolthematerialprocessinginordertoobtainlowloss,highefficiencyandhighqualityofmaterialprocessing.Forexample,super-highaccuracyon-linemonitorofproductsform,on-linemonitorandon-lineadjustmentofproductstextureandproperties,precisioncoordinationcontrolofmulti-procedure,on-linemonitorofmicro-orientationofmetalplasticdeformation,etc.[4],areensured.Someproductsaccuracyindexmaybeenumeratedasfollows:dimensionalaccuracycomingto0.1um,microstructureuniformitytocrystallattice,strengtherrorto0.1MPa,etc.[4]Inshort,onlybynewconceptmaterialprocessingmachinewithextraordinaryfunctionbeingdesignedandmade,canspecialfunctionmaterialbeprocessed.ScienceProblemsandStudyContentsofMetalMaterialProcessingMachineUndertheCircumstanceofExtraordinaryPhysicalFieldInviewofthesefactsandbackgroundmentionedabove,severalnewresearchtopicscanbeadvancedasfollows.3.1CouplingHeatTransferMechanismofMulti-PhaseInterfaceTemperature-StressFieldAbrand-newmicrostructurecanbeobtainedthroughcontinuouslylargedeformationandfastsolidifyingwhenmeltingmetalisincriticalstateofliquidsolid.Atthisverymoment,highdensityheatflowanddynamicheatresistancearepresentinmaterialprocessingcircumstance.Abasictheoryproblemofdesigningthiskindofmachineistostudymechanismofheattransmittanceandenergyconversion,andtoestablishmathematicalmodel.3.2FrictionConstraintMechanismofPlasticFlowInterfaceofMaterialProcessingMachineThecouplingbetweenoperationmechanismandworkpieceisverycomplicatedbecauseplasticflowispresentinprocessinginterface.Theinterfacestate,determinedbyvelocity,loadthermodynamicprocess,elasticityofoperationmechanism,plasticityofworkpiece,dynamicbehaviourofinterfacesticking-slidingandpartialhydrodynamiclubrication,etc,affectandformfrictionconstraintsmechanismpeculiartomaterialprocessingmachine,becausetheseconstraintspresentstrongnon-linearity;andundercertaincircumstances,theconstraintsmaybedestroyedormismatchedinstantaneouslyandthusdynamicinstabilityisresultedin.Thusfollowingproblemscanbeputforward:Mechanismof“spectrechatter”arosefromsticking-slidingfrictionandpartialhydrodynamiclubricationinrollinginterface,instabilityconditionandmechanismofconstraintbetweensmoothsurfaceandrotatingbodyunderthecircumstanceofhighspeed,heavy-dutyandboundarylubrication,Lubricationfilmabsorptionmechanismandphysicalchemistrybehaviourofinterfaceofunceasinglyregenerativesurface,therelationshipbetweenrheologicalcharacteristicandmachineoperationparameters.3.3Multi-BodyNon-LinearContactMechanismUndertheConditionofExtra-HighPressureFieldTobuildthesuperstrengthpressurefieldonlargeareaisoneofbasicfunctionofmaterialprocessingmachine,anditisalsonecessarytoformbyoncelarge-sizestructureelement(suchasspacecraft,intercontinentalvehicles,carandlarge-scaleaeroplaneetc).Theabilitytobuildsuperstrongpressurefieldisoneofimportantfeatureandthebaseofindependentnationaldefense.Underthecircumstanceofsuperstrengthpressurefield,multi-bodystrongnonhertzcontactandnon-linearfrictionwillbeproduced,thuslocalpermanentdeformationanddegradingofelementaccuracymaybeled.Newtheoryfoundationofdesignofmachinewithsuperstrengthpressurefieldwillbefurnishedthroughstudyofmulti-bodystrongnon-hertzcontactmechanism,multi-bodynon-linearfrictionmechanism(suchasprovidingforce-displacementmixedsolvingprocessofthree-dimensionmulti-body).3.4LoadDistributionLawinMulti-SlidingPairWithStructureBiasLoadWithregardtostaticallyindeterminatestructure,loaddistributionofconstraintpointisdeterminedbydeformationcompatibilitycondition.However,concerningsomeplanelarge-sizestaticallyindeterminatestructurewithslidingdegreeoffreedominthirddimension,loaddistributioncannotbedeterminedbydeformationcompatibilitycondition.Thusnewtheorybasiswillbeprovidedbyanalyzingofcontactbehaviourandmechanismofslidingpair(suchascreep,forceoffriction,integraldeformationcompatibilitycondition,etc).3.5CouplingMechanismandStabilityofMulti-PhysicalFieldsinMaterialProcessingSystemsInthewakeofsystemfunctionbecomingmoreandmorediversified,conventionaltechnologylimitsinmaterialprocessingmachineisbeingbrokethroughunceasingly,systemstructurealsobecomesincreasinglycomplicated,andsystemperformancebecomesincreasinglymulti-causal.Forexample,anyinstantaneousstateofrollerinfastrollingmillsisaffectedbyelasticdeformation,plasticflow,heattransferprocess,hydro-dynamiclubricationprocess,interfacephysicalchemistrymolecularstateandsoon.Inaddition,electromechanicalcouplinginprocessingsystemhavealreadygonebeyondconventionalconcept,forinstance,somesingularpointphenomenon(suchasmicro-variablecanbetransformedintomacro-variable),arepresent,thusrolleroperationinstabilitymaybeledbyperturbation[8].Therefore,thissubjectwillstudytheinteractionmechanismofmulti-physicalfieldandtheinfluenceonprocessingsystemstabilityandprocessingmaterialqualitystartedwithanalysisofmicro-stateofexecutivebody.3.6Multi-TechnologyIntegrationandCoalescenceofAccurateControlThematerialprocessingmachine,whichoperateunderthecircumstanceofextraordinaryphysicalfield,isacomplicatedlarge-scalesystem,andsomeparametersofthesystemvaryonfeasiblefieldboundary;thereby,tokeepunderaccuratecontrolandadjustmentofmultifieldcircumstance,multi-dimensioncoordination,multi-energyconversion,multi-levelinformationtransfer,interfacemulti-processcoupling,etc.isofmuchsignificance.Sinceavarietyofmulti-interactionexistsincontrolmodel,itisnecessarytoestablishintegrationframeworkofcoordinationworkaccordingtodecouplingofcontrolmodel,soastoaccuratecontrolbasedonthemulti-technologyintegrationandcoalescenceisrealized.3.7Quasi-RealityDesignandConcurrentDesignBasedonKnowledgeInnovationSystemsDigitalizationandvisualizationofmaterialprocessingtechnologywillpromoteimmediatelythequalityofdesign,operationandcontrol.Thereforeoptimizationofmaterialprocessingtechnologyandmaterialprocessingmachinebymeansofrealizationofvirtualsimulationofprocessingprocedurethroughquasi-realitydesignandconcurrentdesignisoneofourpressingstudysubjects.3.8MechanicalBehaviorofSpecialFunctionMaterialsintheExtraordinaryPhysicalFieldManykeyelementsandpartsinmaterialprocessingmachineareoftenunderthecircumstanceofsuperstrongforcefield,temperaturefield,electronicmagneticfieldandflowfield,andmusthavethefunctionsofconstructingspecialphysicalinterface.However,itisdifficultforcommonsingle-substancematerialsuchasmetal,ceramicpolymer,etc.tohavebothhighindexofsinglepropertyandexcellentoverallquality.Thereforeweneedtousecertainmaterialwithnewfunctionsforkeyposition[9],forinstance,multi-dimensionfunctiongradientmaterialwithultrahighphysicalproperty,multi-dimensionfunctiongradientmaterialwithintelligence.Forthesereasons,itisnecessarytostudybasiclawandmechanismofthesekindoffunctionmaterialmentionedabove,forinstance,stress(strain)distributionfunction,failuremechanismanddesigncriteriaofmaterialunderthecircumstanceofextraordinaryphysicalfield,static(dynamic)stiffnessanddamping,digitalizationdesignandvisualizationdesignofprocessingsystemmadeofgradientfunctionmaterial,etc,sothatthegeneralmechanicslawofelementwhichisunderthecircumstanceofextraordinaryphysicalfieldandmadeofanisotropymulti-dimensiongradientfunctionmaterialisobtained.Nowadays,materialprocessingscienceandtechnologyisforgingrapidlyahead.Aforward-lookingstudyaimingatkeytechnologyproblemofmaterialprocessingmachinewillprovidetheoryandtechnologyreserveformanufacturingscienceandindustryof21stcentury.4DesignexperienceGraduationdesigniswelearnedintheuniversityoftechnologyandthebasiccourses,allcourseallprofessionalclassafterthe.Thisiswehaveallofthecourseofthefirstin-depthcomprehensivereviewofthetotal,isalsoourintosocialworkinfrontofatheorywiththepracticeoftraining.Therefore,itisinourfouryearuniversitylifeholdsanimportantposition.Personally,IhopeIcanpassthegraduationdesignforyourfuturewillbeengagedintheworkofalighttraining,toexercisehisanalysisproblem,problem-solvingability,forthefutureofourmotherlandinthefourconstructionlayagoodfoundation.Turnaneyeforfourweeksofmechanicalmanufacturingtechnologyandspecialjigdesignwillbeover,thedesignofcurriculumreviewaroundthefeelingoflifeasaprocessofascension,andinthecurriculumdesign,weconstantlyseetheteachingmaterial,lookatreferenceseematerial,meettheproblemandnotunderstandweanalyzedtogetherorasktheteacherforadviceandsoontofindausefultoourdesignofdataandmaterial,andthenwilltheybecomeourdesignsuchasrawmaterial,throughthisdesignwe'velearnedalotofknowledge,andlearntoandfamiliarwiththelook-uptableandcheckreferencebook,alsomasteredproeandCADrelatedoperations,forpartsoftheprocessdesignhadadeepunderstandingandtheunderstandingoffixturedesignalsohasanunderstandingofandknowsomebasicfixturethespecificstructureparts,suchasflap,drillset,mandrelsThroughthecooperationandteammembersmakeprocessandfixturethatIunderstandcooperationisveryimportant,divisionoflaborcooperationcanworkbetterandfaster.Inthiscoursedesign,theteachergaveusvaluablereferenceopinions,letusknowhowtocompleteacoursedesign,howtoputyourthingsdone,thankstotheteachercarefullycounselling.Andwehavemoreanalysisandproblemsolvingability.Intheprocess,wefoundthatthemostlackisthesocialpracticeexperience,emptyhavebookstheoryknowledge,noperceptualcognition,oftenwilllikelyandactualapart.Ingeneral,dothiskindofdesigncanmakethewewillhavelearnedknowledgesystemrelatedtolink,whichexposedthedeficiencies.Alsohopeweinthelaterstudycanintosociety,makemoresocialpractice,inordertoimprovetheirabilitytoadapttosociety.ReferenceXuZhiGang.Basedonthecombinationofthegeneralizedmappingprinciplefixturestructuredesignautomation[J].Journalofmechanicalengineering,2000(12):105~108.ZhuYaoXiang,meltsalsosound.Flexibleclampandcomputeraidedfixturedesigntechnologydevelopment[A].Nationalproductionengineering8thacademicconferenceproceedings[C].Beijing:mechanicalindustrypress,1999.204~209.ZhouZhenBao.Theaccuracyofthemachinetoolfixturesanalysis[J].Machinetoolandhydraulicpressure,2004(2):137~138.LiuLiJuan.Machinetoolsinthedesignoffixturesidetwopositioningpin[J].Jlubricationandsealing,2003(3):107~108.Yanzhizhong,LiuXianMei.Computeraidedfixturedesignmethodanddevelopmenttrend[J].JournalofInnerMongoliaforestryuniversity,1996,(3):69~74.WangFengQi,XuGongJing,GuoWei.Computeraidedfixturedesignreview[J].Aviationmanufacturingtechnology,2003(11):38to40.ZhuYaoXiang,meltsalsoblare.Fixturedesignautomationpresentsituationanddevelopmenttrendof[J].Mechanicalscienceandtechnology,1993(10):14to17.ZhangFuRun,XuHongthis,LiuYanLin.Mechanicalmanufacturingtechnologyfoundation[M].Wu:huazhonguniversityofscienceandtechnologypress,2000.288~320.ZhaoGuJi.Mechanicalmanufacturingtechnologycoursedesigninstruction[M].Beijing:mechanicalindustrypress,1997.60~61.GuChongbitetc.Mechanicalmanufacturingtechnology[M].Xian:thescienceandtechnologypress,1990.4~58.WangQiPing.Machinetoolclampdesign[M].Harbin:Harbinindustrialuniversitypress,1996.1~134207~249.WangXiaoHua.Machinetoolfixturespictures[M].Beijing:mechanicalindustrypress,1992.36~,40~and37.DingDianZhong,JiangHongWei.Metaltechnologycoursedesign[M].Beijing:mechanicalindustrypress,1997.6~14.nationalstandardfull-textdatabasesystem[EB/OL].:6006/,1989-7-1.northeastinstituteofheavymachinery,luoyangengineering,thefirstcarfactoryworkeruniversity.Machinetoolclampdesignmanual[M].Shanghai:Shanghaiscienceandtechnologypublishinghouse.LiuYouand.Metalprocessdesign[M].Guangzhou:instituteofsouthChina,and1982.1~13.CuiJian.Steelfiberconcretepolymermaterialsoptimizationanditsmachinetoolofthelathebed[D].Fuxin,liaoningprovince:liaoningengineeringtechnologyuniversity,2003.XuGuJun.AutomotiveshockabsorberCAPPsystemdevelopmentandresearch[D].Changshainhunan:zhongnanforestryuniversity,2004.XuGongJing.Computeraidedfixturedesignsystemresearchanddevelopment[D].Tianjin:tianjinuniversity,2004.中文譯文:材料制備機(jī)械設(shè)計(jì)理論中的新趨勢和新問題摘要:在全面綜述材料制備機(jī)械技術(shù)及設(shè)備發(fā)展動態(tài)的基礎(chǔ)上,提出了研究領(lǐng)域的幾個新問題和發(fā)展方向,如通過集成和融合現(xiàn)代相關(guān)前沿科學(xué)和技術(shù),生產(chǎn)具有超常和特殊性能的新概念材料等,并進(jìn)行了簡要分析和討論.關(guān)鍵詞:界面;超常物理場;制備機(jī)械;功能材料1機(jī)械材料加工的時代背景在人類進(jìn)步的一段長時間范圍內(nèi),原料用不同的工具來加工。在人類進(jìn)步的一段長時間范圍內(nèi),原料用不同的工具來加工。許多工具、機(jī)械和方法被提出來;不同的原料及其處理過程已經(jīng)變成了推動人類進(jìn)步不可缺的一部份。在當(dāng)前世界中日益激烈的競爭和人們追求幸福生活的今天,已經(jīng)遠(yuǎn)遠(yuǎn)超出了人類現(xiàn)有的并不斷增長的知識及想象。例如:神秘原料功能,導(dǎo)體材料,原料能量有吸力的材料,在航空領(lǐng)域中占有一部份。在當(dāng)前世界中日益激烈的競爭和人們追求幸福生活的今天,已經(jīng)遠(yuǎn)遠(yuǎn)超出了人類現(xiàn)有的并不斷增長的知識及想象。例如:神秘原料功能,導(dǎo)體材料,原料能量有吸力的材料,在航空領(lǐng)域中占有4~5um的薄金屬片,用各向異性深口壓金屬板在合金已經(jīng)被應(yīng)用到航空、宇宙及深海領(lǐng)域中,的時間段里,材料重要發(fā)展趨勢就這樣形成了:(1)在特殊的物理領(lǐng)域里制造原料加工機(jī)械,輔助性的加工功能。例如:運(yùn)用熱能和機(jī)械能能夠突破科學(xué)技術(shù)的極限,物質(zhì)的功能半70%份額的強(qiáng)力鋁合金1%以下;電子鋁箔與強(qiáng)耐熱鋁等等;在原料加工加工領(lǐng)域中不同是為了能有特殊的質(zhì)地結(jié)構(gòu)和將一些不常用的能量,例如:微波、化學(xué)能、生物能等等,一個接一個的被引入到材料加工中來,因此一些加工特殊能量原材料的加工設(shè)備就被制造出來了。2)突破傳統(tǒng)的物質(zhì)限制,將溶化、凝固、造型一體化,然后加熱得到具有特殊功能的原料,這樣就可以降低加工費(fèi)用。例如:材料加工整形技術(shù),比如像快速翻滾,噴霧處理、塑膠成型、噴射造型法、高能量射束等等被應(yīng)用。3)原料加工處理正在向高速、重載和高精度在線控制方向上邁進(jìn)。例如:0.1um,成型精□□□□□130m/s,壓力變形已達(dá)到300MPa,0.1um,成型精度已達(dá)到0.1i;□□□□□□□0.1MPa。由于這些原因,原料加工機(jī)械設(shè)備設(shè)計(jì)理論將科學(xué)與技術(shù)相關(guān)聯(lián)的領(lǐng)域有機(jī)的結(jié)合起來設(shè)計(jì)生產(chǎn)一中新概念材料加工設(shè)備是可能的。2對于新概念材料加工設(shè)備的期望功能(1)要有能力生產(chǎn)具有特殊物質(zhì)的領(lǐng)域;能傳送那些對于新概念材料加工在特定的物質(zhì)環(huán)境下是非常必要的特殊能流。例如:在高溫環(huán)境下能使那些高溫波或者脈沖以超過104?106K/s的速度冷卻下來;將外表面的凝固、變形合成一體,然后在將超強(qiáng)接觸面應(yīng)力重新組合成新的分界面;融化的大金屬薄片的湍流;隨機(jī)的低頻率磁場用于金屬末加熱的微波、用于大量凝固的超聲波等等都已經(jīng)被應(yīng)用了。(2)有能力在臨界狀態(tài)下工作,因此高穩(wěn)定性和理想性能的處理設(shè)備是在加強(qiáng)技術(shù)條件和室外操作的保證。例如:禁止在潤滑狀態(tài)下邊界上的搖晃;在特有的摩擦狀態(tài)下的抗震能力;有韌性的連接管的合力穩(wěn)定性和干擾穩(wěn)定性與軸相比更易驅(qū)動系統(tǒng)。(3)有能力精確的控制原料加工而獲得低損耗、高功率、高性能的原料加工。例如:精確的在線監(jiān)測產(chǎn)品成型;在線監(jiān)測和在線調(diào)整產(chǎn)品品質(zhì)和器具還有在線控制金屬、塑膠成型的程序。產(chǎn)品的精確度指數(shù)可以列舉如下:宏觀上精確度可達(dá)到0.1um,微觀上的晶狀體結(jié)構(gòu)非常均勻,濃度誤差在0.1MPa。簡而言之,擁有特別功能的新概念原料加工設(shè)備應(yīng)該被設(shè)計(jì)和生產(chǎn)出來。這樣的話,那些特別性能的原料就能被處理加工了。3在特殊的物理領(lǐng)域和環(huán)境下金屬材料加工設(shè)備的問題和需要學(xué)習(xí)的內(nèi)容由于這些原因和以上提到的背景,如下的一些新的研究主題應(yīng)該被改進(jìn):連接傳熱裝置和溫度應(yīng)力場的相界面當(dāng)融化金屬處于液體和固體的臨界狀態(tài)時通過連續(xù)的變形和快速凝固,一種全新的微觀結(jié)構(gòu)可以被獲得。在這個非常時刻,高濃度的熱流和動態(tài)的熱阻力在材料加工處理中成了主要事項(xiàng)。關(guān)于設(shè)計(jì)這個設(shè)備的基本理論問題是要學(xué)習(xí)核心傳動系統(tǒng)合能量轉(zhuǎn)化和建立數(shù)學(xué)模型。材料加工設(shè)備表面粘流摩擦力的抑制操作裝置和工件的連接是相當(dāng)復(fù)雜的因?yàn)檎沉髯钃趿思庸け砻娼缑鎽B(tài)由周轉(zhuǎn)速度、熱力學(xué)處理工作量、操作裝置的彈性、工件的可塑性、滑性界面的動態(tài)行為、局部水力的潤滑油等等來決定。它們影響著材料加工設(shè)備抗摩擦裝置的成型。因?yàn)樗鼈儠?qiáng)制其產(chǎn)生很大的非線性,這種強(qiáng)制會在瞬間被損壞或者是失諧,最后會導(dǎo)致動態(tài)不穩(wěn)定性。因此提出了以下的問題:機(jī)械裝置的噪聲可能在晃動的界面引起滑動摩擦、不穩(wěn)定狀態(tài);在高速、重載和邊界潤滑狀態(tài)下在光滑表面和旋轉(zhuǎn)式噴灌器之間的裝置抑制。潤滑油薄膜吸收裝置和不斷再生的表面的物理化學(xué)行為;流變學(xué)的特征和操作參數(shù)之間的關(guān)系。在高壓場條件下非線性接觸式機(jī)械裝置在大范圍內(nèi)組建一個超強(qiáng)力壓力場是材料加工設(shè)備的一個基本功能。當(dāng)然形成一個大結(jié)構(gòu)的元素也是可能的(例如太空船、大陸洲際間的交通工具、汽車、飛機(jī))。組建一個超強(qiáng)壓力場是最重要的特征之一,也是保衛(wèi)國家獨(dú)立最基本的裝備。在強(qiáng)壓力場環(huán)境下,接觸式和非線性摩擦將會產(chǎn)生;因此將會導(dǎo)致局部的永久的變形和不好的因素。在強(qiáng)壓力場下設(shè)計(jì)過程中,將會涉及到設(shè)備的設(shè)計(jì)新理論,例如:非接觸式、非線性摩擦機(jī)構(gòu)。負(fù)荷分配規(guī)律關(guān)于超靜定結(jié)構(gòu),抑制點(diǎn)的負(fù)荷分配規(guī)律由相容性條件決定。雖然,關(guān)于那些大尺寸的、不定的、靜止的結(jié)構(gòu)在真實(shí)空間中是自由變化的,但負(fù)荷分配規(guī)律是不能決定相容性條件。因此新的基礎(chǔ)理論由分析接觸行為和變形裝置獲得(例如:摩擦力、變形相容性條件,等等)。耦合裝置和在材料加工系統(tǒng)中物理領(lǐng)域內(nèi)的穩(wěn)定性隨著系統(tǒng)的功能越來越多元化;許多限制材料加工進(jìn)度的傳統(tǒng)技術(shù)正在不斷的被改善;系統(tǒng)結(jié)構(gòu)也逐漸變得越來越復(fù)雜,系統(tǒng)性能變得越來越好。例如:鋼扎廠的快速瞬間反轉(zhuǎn)受彈性形變、粘流、散熱處理、水動力潤滑處理的,物理化學(xué)分子狀態(tài)的影響。另外,機(jī)電的耦合在處理系統(tǒng)中已經(jīng)超出了傳統(tǒng)的概念;例如,一些奇特的現(xiàn)象(微小的變化可以引起很大的變化)已經(jīng)出現(xiàn);因此,滾筒操作的不穩(wěn)定性可能會導(dǎo)致混亂。所以,這個主題將會在機(jī)械裝置的物理領(lǐng)域中,在處理系統(tǒng)穩(wěn)定性的影響和加工助劑質(zhì)量上被提及和充分關(guān)注;技術(shù)綜合和合并精準(zhǔn)的控制在特定的物理?xiàng)l件下進(jìn)行操作的材料加工設(shè)備是一個相當(dāng)復(fù)雜系統(tǒng),一些系統(tǒng)的參數(shù)在領(lǐng)域的邊界上也是可以改變的;因此在領(lǐng)域環(huán)境下精確的控制與調(diào)整,調(diào)和尺寸,能量轉(zhuǎn)換,信息傳遞,界面耦合等等是非常重要的。因?yàn)樵诳刂颇P椭卸喾N交互作用的存在,根據(jù)退耦控制模型而建立綜合框架是必要的;精確的控制基于綜合技術(shù)。優(yōu)化的和創(chuàng)新的設(shè)計(jì)基于創(chuàng)新的知識材料加工技術(shù)能促進(jìn)產(chǎn)品的設(shè)計(jì)質(zhì)量的
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