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1、外文翻译毕业设计题目：变形空间连杆式高速引纬减速机构的设计.原文1：WeavingMachineryandItsRelatedTechnologies译文1：织机及其相关技术原文2：AMathematicalModelforNumericalSimulationofWeftInsertiononanAir-JetWeavingmachine译文2：数值模拟模型最优化引纬剑杆织机21WeavingMachineryandItsRelatedTechnologiesAbstract:Publishe
2、dresearchworkconcerningweavingmachineryanditsrelatedtechnologiesintheperiodbetween1990and2005aresurveyedinthisreview.Air-jetloomshavebeenintroducedtoalotofweavingmillswidelyandrapidlyinspiteoftheiruncertainnessofweftrunning.Thusresearchersconcernedwi
3、thweavingmachineshavepaidagreatinterestinair-jetweftinsertiontechnology.Developmentsofmeasuringdevices,photographictechnology,controldevices,andpersonalcomputersbroughtactiveresearchworkinthefieldsoftheairjetweftinsertion:especiallyspreadsofpersonalc
4、omputershavefacilitatedtosolvealmostalltypesofequationsofmotion.Inconsequence,numericalsimulationsforweavingmachineshavebeeneasilyperformedincludingweftinsertion,warptension,mechanismdesignforloomandsoon.KeyWords:Loom,WeavingMachine,Weftinsertion,She
5、dding,Beat-up1.IntroductionTheterm“weavingmachine”tooktheplaceoftheterm“loom”duringthelasttwodecadesbecausetheweavingmachinehasbeendevelopedinbothhighlypreciseandhighspeedoperation.Furthermore,mechatronicstechnologyhasbeenalsointroducedintextileindus
6、tries.Especiallyair-jetloomshavebeenspreadtoalotofweavingmillswidelyandrapidlybecauseofitsgreatadvantagesinproductivity.Thusrecentresearchworkconcerningweavingmachineanditsrelatedtechnologieswillbereportedinthisarticle.Ihavesurveyedpublishedresearchw
7、orkintheperiodbetween1990and2005mainlyintherepresentativeresearchjournalssuchas“JournalofTextileEngineering”anditspredecessorjournal“JournaloftheTextileMachinerySocietyofJapan(Sen-iKikaiGakkaishi)”and“TextileResearchJournal”.2.Weftinsertion2.1Airjetw
8、eftinsertionInair-jetweftinsertion,theweftyarnismovedbythefrictionaldragbetweentheairstreamandtheyarnsurface.Airflowinanairjetloomiscomplicated,i.e.,itisunsteady,turbulent,andcanbecompressibleorincompressibleflowdependingonitsvelocity.Furthermore,air
