毕业论文外文翻译-工业机器人及其系统组成

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1、附录英文原文IndustrialRobotanditssystem’scomponentsThereareavarietyofdefinitionsofthetermrobot.Dependingonthedefinitionused,thenumberofrobotinstallationsworldwidevarieswidely.Numeroussinglepurposemuchinesareusedinmanufacturingplantsthatmightappeartoberobots.Thesemachinesarehardwiredtoperformasinglefunctio

2、nandcannotbereprogrammedtoperformadifferentfunction.Suchsingle-purposemachinesdonotfitthedefinitionforindustrialrobotsthatisbecomingwidelyaccepted.ThisdefinitionwasdevelopedbytherobotInstituteofAmerica:Arobotisareprogrammablemuhifunctionalmanipulatordesignedtomovematerial,parts,tools,orspecializedde

3、vicesthroughvariableprogranmledmotionsfortheperfommnceofavarietyoftasks.Notethatthisdefinitioncxmtalnsthewordsreprograrnmableandmultifunctional.Itisthesetwocharacteristicsthatseparatethetrueindustrialrobotfromthevarioussingle-purposemachinesusedinmodernmanufacturingfirms.Theterm"reprogrammable"impli

4、estwothings:Therobotoperatesaec~)rdingtoawrittenprogram,andthisprogramcanberewrittentoacconlmodatcavarietyofmanufacturingtasks.Theterm"multifunctional"meansthattherobotcan,throughreprogrammingandtheuseofdifferentcnd-effectors,performanumberofdifferentmanufacturingtasks.Definitionswrittenaroundtheset

5、wocriticalcharacteristicsarebecomingtheaccepteddefinitionsamongmanufacturingprofessionals.Thefimtarticulatedarmcameaboutin1951andwasusedbytheU.S.AtomicEnergyCommission.In1954,thefirstprogrammablerobotwasdesignedbyGeorgeDevol.Itwasbasedontwoimportanttechnologies:(1)Numericalcontrol(NC)technology.(2)R

6、emotemanipulationtechnology.Numericalcontroltechnologyprovidedafomaofmachinecontrolideallysuitedtorobots.Itallowedforthecontrolofmotionbystoredprograms.Theseprogramscontaindatapointstowhichtherobotsequentiallymoves,timingsignalstoinitiateactionandtostopmovement,andlogicstatementstoallowfordecisionrf

7、mking.RemotemanipulationtechnologyallowedamachinetobemorethanjustanotherNCmachine.Itallowedsuchmachinestobecomerobotsthatcanperfomlavarietyofmanufactuingtasksinbothinaccessibleanunsafeenvironmonts.Bym