机械手臂课程毕业设计外文文献翻译Word格式文档下载.docx
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外文原文
Manipulator
Robotdevelopedinrecentdecadesashigh-techautomatedproductionequipment.Industrialrobotisanimportantbranchofindustrialrobots.Itfeaturescanbeprogrammedtoperfbπntasksinavarietyofexpectations,inbothstructureandperformanceadvantagesoftheirownpeopleandmachines,inparticular,reflectsthepeople'
sintelligenceandadaptability.Theaccuracyofrobotoperationsandavarietyofenvironmentstheabilitytocompletetheworkinthefieldofnationaleconomyandtherearebroadprospectsfbrdevelopment.Withthedevelopmentofindustrialautomation,therehasbeenCNCmachiningcenter,itisinreducinglaborintensity,whilegreatlyimprovedlaborproductivity.However,theupperandlowercommoninCNCmachiningprocessesmaterial,usuallystillusemanualortraditionalrelay-controlledsemi-automaticdevice.Theformertime-consumingandlaborintensive,inefficient;
thelatterduetodesigncomplexity,requiremorerelays,wiringcomplexity,vulnerabilitytobodyvibrationinterference,whiletheexistenceofpoorreliability,faultmoremaintenanceproblemsandotherissues.ProgrammableLogicControllerPLC-controlledrobotcontrolsystemformaterialsupanddownmovementissimple,circuitdesignisreasonable,withastronganti-jammingcapability,ensuringthesystem'
sreliability,reducedmaintenancerate,andimproveworkefficiency.Robottechnologyrelatedtomechanics,mechanics,electricalhydraulictechnology,automaticcontroltechnology,sensortechnologyandcomputertechnologyandotherfieldsofscience,isacross-disciplinaryintegratedtechnology.
First,anoverviewofindustrialmanipulator
Robotisakindofpositioningcontrolcanbeautomatedandcanbere-programmedtochangeinmulti-functionalmachine,whichhasmultipledegreesoffreedomcanbeusedtocarryanobjectinordertocompletetheworkindifferentenvironments.LowwagesinChina,plasticproductsindustry,althoughstillalabor-intensive,mechanicalhandusehasbecomeincreasinglypopular.ElectronicsandautomotiveindustriesthatEuropeandtheUnitedStatesmultinationalcompaniesveryearlyintheirfactoriesinChina,theintroductionofautomatedproduction.Butnowthechangesarethosefoundinindustrial-intensiveSouthChina,EastChina'
scoastalareas,localplasticprocessingplantshavealsoemergedinmechanicalwatchesbegantobecomeincreasinglyinterestedin,becausetheyhavetofaceahighturnoverrateofworkers,aswellasfortheworkerstopaywork-relatedinjuriesfeechallenges.
WiththerapiddevelopmentofChina,sindustrialproduction,especiallythereformandopeningupaftertherapidincreaseinthedegreeofautomationtoachievetheworkpiecehandling,steering,transmissionoroperationofbrazing,spraygun,½
τenchesandothertoolsforprocessingandassemblyoperationssince,whichhasmoreandmoreattractedourattention.Robotistoimitatethemanualpartoftheaction,accordingtoagivenprogram,trackandrequirementsfbrautomaticcapture,handlingoroperationoftheautomaticmechanicaldevices.
Inreallife,youwillfindthisaproblem.Inthemachineshop,theprocessingofpartsloadingtimeisnotannoying,andlaborproductivityisnothigh,thecostofproductionm甫or,andsometimesman-madeincidentswilloccur,resultinginprocessingwereinjured.Thinkaboutwhatcouldreplaceitwiththeprocessingtimeofatouraslongasthereareafewpeople,andcanoperate24hourssaturatedhumanright?
Theanswerisyes,buttherobotcancometoreplaceit.
Productionofmechanicalhandcanincreasetheautomationlevelofproductionandlaborproductivity;
canreducelaborintensity,ensuringproductquality,toachievesafeproduction;
particularlyinthehigh-temperature,highpressure,lowtemperature,lowpressure,dust,explosive,toxicandradioactivegasessuchaspoorenvironmentcanreplacethenormalworkingpeople.HereIwouldhketothinkofdesigningarobottobeusedinactualproduction.
Whywouldarobotdesignedtoprovideapneumaticpower:
pneumaticrobotreferstothecompressedairaspowersource-drivenrobot.Withpressure-drivenandotherenergy-drivencomparisonhavethefollowingadvantages:
1.Airinexhaustible,usedlaterdischargedintotheatmosphere,doesnotrequirerecyclinganddisposal,donotpollutetheenvironment.(Conceptofenvironmentalprotection)2.Airstickissmall,
thepipelinepressurelossissmall(typicallylessthanasphaltgaspathpressuredropofone-thousandth),tofacilitatelong-distancetransport.3.Compressedairoftheworkingpressureislow(usually4to8kg∕persquarecentimeter),andthereforemovingthematerialcomponentsandmanufacturingaccuracyrequirementscanbelowered.4.Withthehydraulictransmission,comparedtoitsfasteractionandreaction,wh