大型叶片砂带磨削加工方法及工艺研究.pdf

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1、机床与液压Dec．2014HydromechatroniesEngineeringV0l_42No．24DOI：10．3969／j．issn．1001-3881．2014．24．012Researchofbeltgrindingmachiningmethodandtechnologyforlarge-scalebladeMing—deZHANG，Xing—longWANGSchoolofMechanicalEngineering，ChongqingUniversityofTechnology，Chongqing400054，ChinaAbstr

2、act：Thispaperaimstosolvetheproblemoflarge—scalebladegrinding．Itusescomputer—aidedgeometry，diferentialgeometryandothers，throughthestudyofflexiblegrindingtechnolo—gYandbeltgrindingmachine．ItoptimizedtoolpathsandProcessingTechnologicalparametersbyanalyzingthemachiningerror．ItSo

3、lvedtrajectoryplanningissuesofcomplexsurfacemachiningbeltgrindingandachieverapidprocessingoflarge—scaleblade．Keywords：Largescaleblade，Beltgrinding，Pathgeneration，Erroranalysis，Technologicalpa’rametersurface，applyingindependentplatformbasedon1．IntroductionACIStoprogramandsimu

4、late，andusingfiveaxeslinkageabrasivebeltgrindingmachinetoprocessLarge—scalebladesarethemainpartsofshipblades．Thispaperalsoanalyzestheerrorofmachi—propellerandthetypicalpartsoffreeformsurface．ning，determinesandoptimizestheprocessparame—Theprecisionofdesignandmanufactureofsurf

5、aceters，andimprovesmachiningqualityandeficiencydirectlydeterminestheefficiencyofthepropulsiveoflarge—scaleblades．andnoiseoftheship．Itwillhelptoimprovetheefi—ciencyandprecisionofmachininglarge—scaleblades2．Designofgrindingmachinestructureforbytheresearchofprocessingmethodfort

6、hefree—formlarge—scalebladesurfaceparts．Atpresentthemachiningprocessesoflarge—scalebladesarethatthefirstiscasting，theThelarge—scalebladeswhicharemachinedaresecondiscoarsemillingandleavinggrindingallow—castingandthelargegrindingallowanceinthispa—ance．Finally，weusedthemanualgr

7、indingandper．Accordingtothemachiningrequirementsofthemodeltestingtomeetthetechnicalrequirements．Theblade，whichremovethetoolmarksofmillingandmachiningprocessresultstobigprofileerror，andthethatthematerialismostremovedi11thecaseofensu—workenvironmentispoor．Atthesametime，itislow

8、ringthequalityofblade．Meanwhile，Bladesurfaceeficiency，highcost，notsuitablef