凸轮轮廓检测实验系统设计.pdf

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1、机床与液压Jun．2013HydromechatronicsEngineeringVo1．41No．12DOI：10．3969／j．issn．1001-3881．2013．12．017DesignofExperimentalSystemforMeasurementofCamProfileZHONGLirong，LINGXuSchoolofMechanicalEngineering。ChongqingUniversityofTechnology，ChongqingDDD，ChinaAbstract：themeasurementexperimentofthecamprofilecurveisim

2、portantforbasicmechanicalexperiment，andtheimprovementsaremadeagainsttheadvantagesanddisadvantagesoftheexistingexperimentalequipmentformeasurementofcamprofile．Usethelineardisplacementsensor．STC89C52micro-processingcontrolchip，TLC2543-typeA／Dconve~eretc．asthehardware；usethetechniqueofserialcommunicat

3、ionpOofthesinglechipmicrocomputerandthecomputerandintegratetheprogrammingenvironmentofVBlanguagetocontrolthedataac。quisitionandseriaIportcommunicationofthelowercomputer．anddrawthereal-timecurvesbyanalyzingandprocessingthedataacquired．Theexperimentshowsthat，thestudentscanhaveintuitiverecognitiontowa

4、rdsthecamprofilecurvebymeansofanalogandanalysisforsuchcurveofthecomputersystem，whichlaysfoundationfordeeplearningofthecam-relatedknowledge．Keywords：VisualBasic，cam，experimentaldesign，singlechipmicrocomputerThecammechanismhastheadvantagesofcom-ingmeasurementsystemofcamprofile．pactandsimplestructurea

5、ndconvenientdesignetc．，aswellasaccurateimplementationofmove—1．Measurementprincipleandmethodofmentruleoffollowerlever，andiswidelyappliedincamprofilecurveapparatusandinstrument，machinetool，andauto·maticcontro1．ThekeyfactorthatdecideswhetherTheexistingmeasurementofthecamprofilethemovementperformanceof

6、thecammechanismcurvemainlyincludetwoofthefollowingaspects，i．meetsthedesignrequirementisthattheprofilecurvee．plottingandmeasurementofdisplacementoffollo-conformstothedesignandmanufacturing．There—weTleverofthecammechanismandeoordinatesoffore，measurementofthesamprofilesamisessentialactualsamprofilecur

7、ve．Thedisplacementofthefo1．forcaminspection，throughwhichthemovementper-1owerleverisdirectlyrelatedtothecammechanismformanceofthemechanismisalsoimprovedduringinthemovementofthecam．Thus。thecurveofresearchofth