资源描述：
《计算机控制插齿刀加工椭圆齿轮齿形毕业论文外文文献翻译及原文》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、毕业设计（论文）外文文献翻译：计算机控制插齿刀加工椭圆齿轮齿形文献文献文献资料英文题目：资料来源：资料发表（出版）日期：院（部）:专业:班级:姓名:学号:指导教师:翻译日期:2017.02.14英文部分ComputerizedtoothprofilegenerationofellipticalgearsmanufacturedbyshapercuttersBiing-WenBairDepartmentofMechanicalEngineering,NationalLienHoInstituteofTechnology,AbstractThisworksimulatesanellipt
2、icalgeardrive，theaxisofrotationofwhichiscoincidentwithitsgeometriccenter,manufacturedbyshapercutters.Themathematicalmodelofanellipticalgearisdevelopedbasedonthetheoryofgearingandgeargenerationmechanisms.Inaddition,thetoothundercuttingofthegearisalsoinvestigatedbasedonthedevelopedmathematicalmod
3、eloftheellipticalgear,itsunitnormalvectorsandanumericalmethod.Ageometricrelationshipisdevelopedandappliedtopreventtheoccurrenceofpointedteethonellipticalgears.Further,thisstudyalsodevelopscomputersimulationprogramstogeneratethetoothprofileofellipticalgearswithouttoothundercuttingandpointedteeth
4、.Comparisonoftheangularvelocityvariationsoftheellipticalgeardrivesisalsomade.Theresultsshowthatthedevelopedellipticalgeardrivecanbeutilizedasanoilpumpwithalargerpumpingvolumeandlessangularvelocityvariation.©2002ElsevierScienceB.V.Allrightsreserved.Keywords:Ellipticalgears;Undercutting;Pointedte
5、eth1.IntroductionAnellipticalgeardrive,therotationcenterofwhichcoincideswithoneofitsfoci,iskinematicallyequivalenttothecrossedlink,andcanbeusedtoproduceirregularrotations.Inaddition,itiswellknownforprovidingexcellentcharacteristicssuchasaccuratetransmission,compactsize,andeaseofdynamicbalance.H
6、ence,ellipticalgeardriveshavebeenappliedsuccessfullyinvarioustypesofautomaticmachinery,quick-returnmechanisms,packagingmachines,andprintingpresses[1].Thistypeofgearingcanalsobeusedtodevelopnon-circulargears,whichbelongtohigh-orderellipticalpitchcurves.Second-orderellipticalgeardrives,therotatio
7、ncenterofwhichcoincideswithoneofitsfoci,canfinduseinthedesignofinstrumentssuchaspumpsandflowmeters[1].However,thistypeofgearsethastwospeedchangesforeachrevolution,thesetwo-cyclevariationsinducingawavefluctuationthatissoseverethatt
