螺旋錐齒輪數(shù)控加工與誤差修正技術(shù)研究.pdf

1、華中科技大學博士學位論文螺旋錐齒輪數(shù)控加工與誤差修正技術(shù)研究姓名：李小清申請學位級別：博士專業(yè)：機械制造及其自動化指導教師：周云飛20041103IIABSTRACTAsafoundationalcomponentinmechanicaltransmissionspiralbevelhypoidgearisacteristicofquiteafewcomplexitiesinspaceshapemeshingmachining.Asar

2、esultofthedevelopingofNumericalControltechnologytheflexiblemachiningsimplifyingadjustingaresuppliedwithawayfspiralbevelhypoidgear.ThemachiningaccuracyofspiralbevelhypoidgearwillbeimprovedgreatlywiththeapplicationofNCtech

3、nology.Atpresentintheothercountryjustseveralcompanygraspthetechnologyinourcountrytheresearchisjustbeginning.TherefeaccdingtothespecialityofNCmachiningdeepresearchesaremadeonthemachiningtheydigitalprocessingmeasuretechnol

4、ogyerrcrectingmethodinthisthesiswhoseprimarycontentisasfollows.Themeshingprinciplethemachiningacteristicsofthespiralbevelhypoidgearhasbeenresearcheddeeply.ByitslocalconjugationacteristicseveralGLEASONmachiningalgithmshav

5、ebeenanalyzeddeduced.Furthermeaccdingtotheequationsofcuttingtheparametersofmachinesettingsarecalculated.ThesealgithmsarethefoundationofrealizingNCmachiningfspiralbevelhypoidgear.BasedonGLEASONprincipletheflexibilityacter

6、isticsofNCmachinetooltwonovelalgithms“thecuttertiltvariableratioofroll”“cuttertilt&displacementofpitchpoint”fmanufacturinghypoidpinionareproposed.theparametersofmachinesettingsarecalculated.Manufacturingthepinionwithapre

7、scribedsizecutteronNCmachinetoolcanberealizedwhichhelpstosimplifycutterspecificationsrealizeerrcompensationofthecuttersize.MeovertheNCmachinetoolacteristicofflexiblemanufacturingisexploitedtothefullthemachiningaccuracyef

8、ficiencyisimproved.Toanalyzethedesignoftoothsurfaceitsmachiningqualityaccdingtothemachinesettingstoothsurfacecontactanalyzingistakentheequationoftoothsurfaceisderived.byequationofthegear’stoothsurfacethatofthepinion’sthe

9、contactpatterntransmissionerrscurvearegot.Thealgithmofdispersetoothsurfacecontactanalysisisestablisheddeducedwhichlaysthefoundationfthedigitalmeasureanalyzingoftoothsurface.Firstlythesamplingpointsoftoothsurfacemeasureme

10、ntmathematicsmodelfspiralbevelhypoidgear’sfittingtoothsurfaceisfmularizedreversedlybyapplyingprincipleofdifferentialgeometryFergusonparametersplinefunction.thenaccdingtothefixingconditionthe“BOX”optimizationmethodffindin