等距廓形及應用.pdf

1、山東工業(yè)大學碩士學位論文等距廓形及應用姓名：郭培全申請學位級別：碩士專業(yè)：機械制造及其自動化指導教師：路長厚鐘康民2000.8.1山東工業(yè)大學研究生畢業(yè)論文稿紙ABSTRACTThedefinitionofisometricprofilewasgivenbasedonthemeasuringmethodcommonlyusedThegeometricpropertiesofthreegroupsofnon。circularisometr

2、icprofilesandtheirapplicationinconnectionbetweenshaftandhub，incammechanismandhydraulicpumpwerestudiedApproachesfornoncircularisometricprofilemachiningWasanalyzedbrieflyConclusionsweredrownasfollows：I1sometricprofileiSthe

3、contourwiththepropertyoftantamountdimension，thatiS，thedistancebetweenanypairofparalleltangent1inesiSthesamevalue2AmtriangleshapedconnectionbetweenshaftandhubiSconvenienttobemachinedandmeasured，andwithselfcenteringcharact

4、eristicfeatureandnostressconcentrationappearingItsapplicationperspectiveisverybrgIlt3Designprincipleforfixedarctriangleshapedconnectionis：determiningshapetoe師cient毒first，itsrecommendedvalueiSfrom01t004；thell，figuringoutt

5、heinsidetangentcirclediameterDaccordingtoformula(54)beforedeterminingnominaIdiameterDbymeansofformula(16)；finallycheckingcontactstrengthfollowingformulae(58)and(59)4Asdesigningslidingconnection，mustdoselfiloekingcbeckbym

6、eansofformulae(60)and(64)Changeshapecoefficientcloseto03ifselflockingappears5ThefunctionoffoUowerveloeityofarctrianglecammechanismissmoothandcontinuous，norigidimpactOccursAccelerationimpulseexists，itskineticbehaviorisnot

7、verygood6NocentrifugalforceexistsastheisemetriccamoperatingWhoSeprofileiSgeneratedbystraightlineMachiningandmeasuringthiskindofprofilesissimpleandconvenientThecammechanismearmeettheBeedoffollowerdisplacementmadmakeve[oci

8、tyandaccelerationfunctionbesmoothandCOatinuousSUrelySOnoanyimpactappearsTheisometricprofilegeneratedbystraightlineistheidealcontourforisometriccammechanism7ThepistonpumpdrivenbyarctrianglecamcarIperformancelargeflowoutpu

9、twithlowimpulsemagnitudeandhighimpulsefrequency8n他machiningapproachbymeansoftheresultantmechanicsmovementiSnotuniversalbutformassproduction9Asdesigningcontouringmachiningsystem，suitablerigidcoefficientshouldbedeterminedb

10、asedontheanalysisofmachiningconditionandsystemstructureRelatiredampingratioisrecommendedtobeabout0710PermanentmagnetmovingcoilDCmotorisoflowinertiahigheccelerationandheavyIoadcapacityItissuitableforlathesystemforturningn

11、oncircularisometriccontourKEYWORDS：Isometricprofile；Noncircularisometricprofile；Arctriangle；Isometricprofilegeneratedbystraightline；AIetriangleshapedconnection，Isometriccammechanism；Pistonpumpdrivenbyisometricc踟mechaoJsm