毕业设计(论文)阀体零件机械加工工艺规程及夹具设计（graduation design (thesis) mechanical processing procedure and fixture design for body parts）

毕业设计论文阀体零件机械加工工艺规程及夹具设计（GRADUATIONDESIGNTHESISMECHANICALPROCESSINGPROCEDUREANDFIXTUREDESIGNFORBODYPARTS）ORDERSTORECORDPREFACE1THEANALYSISOFPARTS2THEDESIGNOFPROCESSPROCEDURE2CHOOSEBLANK2CHOOSETHEBASESURFACE2MAKETHETECHNICALROUTE34DETERMINATIONOFTHEAMOUNTOFMECHANICALPROCESSING,THESIZEOFTHEPROCESSANDTHESIZEOFTHEBLANK4DETERMINETHEAMOUNTOFCUTTINGANDTHEBASICWORKINGHOURS6THREEFIXTUREDESIGN13CHOOSE1POSITIONINGREFERENCE132CALCULATIONOFAXIALFORCE,CUTTINGTORQUEANDCLAMPINGFORCE13LOCATIONERRORANALYSIS144BRIEFDESCRIPTIONOFFIXTUREDESIGNANDOPERATION14REFERENCES15WWWDOCINCOMPREFACEMECHANICALMANUFACTURINGTECHNOLOGYFOUNDATIONCOURSEDESIGNINTHEENDOFTHELOCOMOTIVEMECHANICALMANUFACTURINGTECHNOLOGYANDTHEMOSTPROFESSIONALCLASSANDTHEPRODUCTIONPRACTICEOFANOTHERPRACTICALTEACHINGLINKTHISDESIGNENABLESUSTOTAKEITTOGETHERORUSINGTHEBASICTHEORYOFMECHANICALMANUFACTURINGTECHNOLOGYFOUNDATIONANDCOMBININGWITHPRODUCTIONPRACTICELEARNEDKNOWLEDGEALONESITEANALYSISANDSOLVETHEPROBLEMOFTHEMECHANICALPARTSMANUFACTURINGPROCESSDESIGNEDASPECIALMACHINETOOLFIXTURETHISTYPICALPROCESSEQUIPINCREASESTHEABILITYSTRUCTURALDESIGNFORTHEGRADUATIONDESIGNINTHEFUTUREANDTHEFUTUREWORKLAIDAGOODTHEFOUNDATIONDUETOTHELIMITATIONOFABILITYINEXPERIENCEDANDTHEREAREMANYDEFICIENCIESINTHEDESIGNOFHOPEEVERYBODYTHETEACHERREFERSTOMORETOTEACHWWWDOCINCOM1ANALYSISOFPARTSTECHNICALANALYSISOFPARTSBASEDONTHEDETAILDRAWINGOFREDRAWACCURATELYANDCOMPLETELYKNOWTHEVIEWOFTHEDESIGNDIMENSIONS,TOLERANCESANDSKILLTHESKILLISREQUIREDTHEPARTSNEEDMACHININGSURFACEMUSTBEMACHININGTHESURFACEMACHININGACCURACYANDSURFACEROUGHNESSROUGHNESSISNOTDIFFICULTTOOBTAINHEREISTHECOVERNEEDPROCESSINGBETWEENMACHINEDSURFACEANDTHESURFACEOFTHEPOSITIONREQUIREMENT1AROUNDENDSURFACEROUGHNESSIS25HOLEPHI35ROUGHNESSOF125THEBENCHMARKOFTHEHOLESFORTHEPROCESSINGOFOTHERHOLEINNERSURFACEPHI35ROUGHNESSOF125HOLEPHIROUGHNESSFOR20241CYLINDRICALSURFACEROUGHNESSFOR25PHIPHI50CYLINDRICALROUGHNESSOF125PHI50CYLINDRICALRIGHTENDSURFACEROUGHNESSIS125PHICYLINDRICAL53RIGHTFACEROUGHNESSOF25PHI53CYLINDRICALROUGHNESSOF25PHICYLINDRICAL53LEFTFACEROUGHNESSIS253THEHOLEPHI14H8ROUGHNESSOF125ACCORDINGTOTHEPROCESSINGMETHODOFECONOMICPRECISIONANDTHEPOSITIONOFGENERALMACHINETOOLCANACHIEVEACCURACYNOTDIFFICULTTOADDTHEPARTSBOREOFTHEABOVETECHNICALREQUIREMENTSAREUSINGCONVENTIONALPROCESSINGTECHNOLOGYCANGUARANTEE2DESIGNOFPROCESSREGULATIONS1SELECTBLANKTHEPARTSMATERIALISCASTSTEELSTRUCTUREISSIMPLERPARTSINTHEPRODUCTTYPETOBATCHPRODUCTIONHASTOMAKETHEPARTSGOODMECHANICALPROPERTIESGUARANTEEPARTSRELIABLECASTINGWASPRESENTEDINTHISPAPERTHISCANBEGUARANTEEDBYINCREASINGPRODUCTIONEFFICIENCYITISALSONECESSARYTOCONSIDERMACHININGPRECISIONPARTSHAPEISNOTCOMPLICATEDSOBLANKSHAPEPARTSSIMILARTOTHESHAPEASFARASPOSSIBLECLOSETOINNERHOLENOTCASTOUTTHEBLANKSIZECANBEDETERMINEDAFTERDETERMININGTHEALLOWANCETHEPRODUCTIONOFPARTSLEDBELONGTOMASSPRODUCTIONWWWDOCINCOM2CHOOSEBASELEVELBASESELECTIONISONEOFTHEIMPORTANTTASKSINPROCESSDISCIPLINEBASECHOOSECORRECTLYANDREASONABLECANMAKETOIMPROVEWORKQUALITYGUARANTEEDPRODUCTIVITYOTHERWISEPROCESSINGPROCESSWILLBEPATCHYEVENMORESOSTILLCANCAUSEPARTSOFSCRAPMAKEPRODUCTIONCANTNORMALTHECHOICEOFCRUDEBENCHMARKACCORDINGTOTHEPRINCIPLEOFSELECTINGTHEBENCHMARKNAMELYWHENPARTSARENOTPROCESSEDSURFACESHOULDBEINTHENOASIFCRUDEBENCHMARKPARTSMACHINEDSURFACETOSEVERALPROCESSINGSURFACESHOULDNOTRELATIVEWITHMACHININGSURFACEREQUIREMENTSHIGHPRECISIONNONMACHININGSURFACEFORROUGHREFERENCENOWINPARTSOFTHECYLINDRICAL35ASTHEMAINORIENTATIONCRUDEBENCHMARKFINEBENCHMARKCHOICECONSIDERTOENSURETHEPROCESSINGPRECISIONOFPARTSANDTHECLAMPINGISACCURATE,CONVENIENTBASIS“BENCHMARK“PRINCIPLEANDTHEPRINCIPLEOF“UNIFIEDBENCHMARK“CHOOSEFINEBENCHMARKFORCYLINDER20HOLES3PROCESSISOBTAINEDPLANAPROCESSCOARSEMILLINGOUTSIDETHEUPPERANDLOWERENDFACEPROCESS,ROUGHHINGE35OFTHEHOLESPROCESSECONOMICDRILLECONOMIC35INSIDESURFACEPROCESS20HOLESPROCESSCOARSECARPHI41CYLINDRICALSURFACEPROCESSCOARSECAR,HALFFINEPHICYLINDRICAL50RIGHTFACEPROCESSCOARSECAR,HALFFINE50CYLINDRICALPHIPROCESSTHICKCYLINDRICALCARPHI53NEXTFACEPROCESSCOARSECARPHI53CYLINDRICALPROCESSTHICKCYLINDRICALCARPHI53ONTHEFACEPROCESSROUGHTURNINGM36EXTERNALTHREADWWWDOCINCOMPROCESSCHAMFERINGPROCESSXIIIDRILL,HINGE,HINGEPHI285HOLEPROCESSXIVECONOMICDRILLECONOMICPHI285HOLERIGHTFACEPROCESSXV414HOLESXVICLEANINGPROCEDUREXVIIFINALINSPECTIONSCHEME2PROCESS20HOLESPROCESSCOARSEMILLINGOUTSIDETHEUPPERANDLOWERENDFACEPROCESS,ROUGHHINGE35OFTHEHOLESPROCESSECONOMICDRILLECONOMIC35INSIDESURFACEPROCESSCOARSECARPHI41CYLINDRICALSURFACEPROCESSCOARSECAR,HALFFINEPHICYLINDRICAL50RIGHTFACEPROCESSCOARSECAR,HALFFINE50CYLINDRICALPHIPROCESSTHICKCYLINDRICALCARPHI53NEXTFACEPROCESSCOARSECARPHI53CYLINDRICALPROCESSTHICKCYLINDRICALCARPHI53ONTHEFACEPROCESSDRILL,HINGE,HINGEPHI285HOLEPROCESSECONOMICDRILLECONOMICPHI285HOLERIGHTFACEPROCESSXIII414HOLESPROCESSXIVROUGHTURNINGM36EXTERNALTHREADWWWDOCINCOMCHAMFERINGPROCESSXVCARXVICLEANINGPROCEDUREXVIIFINALINSPECTIONPLANAISPHI36CRUDEBENCHMARKPROCESSINGWASCARRIEDOUTONTHETWOENDFACEFIRSTINTHEPROCESSOFFINISHINGTHETWOENDSBENCHMARKHOLEPHI20WITHOUTAFINEREFERENCEPOSITIONINGWHENDRILLING,COARSEHINGEHOLES35WITH20HOLESTHEREISANERRORINTHEAXISOTHERPROCESSARRANGEMENTSAREMOREREASONABLEANDNEEDNOTBECHANGEDSCHEME2FIRST35ASCRUDEBENCHMARKAFTERPROCESSING20HOLESBENCHMARKAVOIDEDUSINGCRUDEBENCHMARKDETERMINEFINEPROCESSINGOTHERPROCESSSOASTOIMPROVETHEZEROTHEMACHININGACCURACYOFTHEPIECETWOSOLUTIONSCOMPAREDTOAMOREREASONABLESOOPTIONS4MACHININGALLOWANCE,THESIZEOFTHEPROCESSANDTHEDETERMINATIONOFBLANKDIMENSIONS“COVER“PARTSMATERIALFORZG230PRODUCTIONTYPEUSINGCASTINGMETHODCASTINGMAOFORMASSPRODUCTIONBILLETACCORDINGTOTHEABOVERAWMATERIALSANDPROCESSINGTECHNOLOGYRESPECTIVELYDETERMINETHEPROCESSINGSURFACEMACHININGALLOWANCE,PROCESSSIZEANDTHEBLANKSIZEASFOLLOWSCHECKTHEMECHANICALMANUFACTURINGPROCESSDESIGNMANUAL“HEREINAFTERREFERREDTOASTHE“PROCESSMANUAL“TABLE1TO52THESURFACEROUGHNESSOFTHEDIMENSIONSURFACEOFTHEPROCESSPROCEDUREPROCESSCOARSEMILLINGOUTSIDETHEUPPERANDLOWERENDFACE1MMMM2900390048UMRA512PROCESS,ROUGHHINGE35OFTHEHOLES75MMMM1600035UMRA512PROCESSPROCESS20HOLES10MM20MMUMRA25WWWDOCINCOMPROCESSCOARSECARPHI41CYLINDRICALSURFACE2MM41MMUMRA25PROCESSCOARSECAR,HALFFINEPHICYLINDRICAL50UNDERTHEFACE1MMMM0390044UMRA512PROCESSCOARSECAR,HALFFINE50CYLINDRICALPHI2MMPHI50UMRA25PROCESSTHICKCYLINDRICALCARPHI53NEXTFACE1MMMM0480039UMRA25PROCESSTHICKCYLINDRICALCARPHI53ONTHEFACE1MMMM0480038UMRA25PROCESSCOARSECARPHI53CYLINDRICAL05MMPHI53UMRA25PROCESSDRILL,HINGE,HINGEPHI285HOLE425MMPHI285UMRA512PROCESSECONOMICDRILLECONOMICPHI285HOLEEND5UM1MMRA512PROCESSXIII414HOLES7MMPHI14UMRA25PROCESSXIVROUGHTURNINGM36EXTERNALTHREAD1MMM36CHAMFERINGPROCESSXVCARC15UMRA25THECOVEROFTHECASTINGBLANKDIMENSIONSASSHOWNINFIGURETABLE1CALCULATIONTABLEOFMACHININGALLOWANCEPROCESSINGDIMENSIONSANDTOLERANCESPROCESSTHECASTINGBLANK20MMHOLETHETWOENDFACEMM2900390048ROUGHMILLTWOENDSPROCESSINGBEFORE“THEBIGGEST513MINIMUM50WWWDOCINCOM5DETERMININGCUTTINGPARAMETERANDBASICWORKPROCESSFACEROUGHMILLINGAROUNDTWOLEVEL1THECUTTINGSPEEDTOOLISDURABLEMIN60VTPA10MMPUEYXPMVVPKZAFATQDCVVVVV0CHECKTHEPROCESSMANUALTABLE1152F020D20MMCHECKTHEPROCESSMANUALTABLE428VK096CHECKTHEPROCESSMANUALTABLE213GETTHECOEFFICIENTVC26X01Y04Z3M02VQ025VP01U015EA1PA40D20MMAVAILABLE96V03120460250202610150401020MIN781M361SM2DETERMINETHESPINDLESPEEDOFMACHINETOOL7212014336110001000SRDVNWS3CUTTINGHOURSACCORDINGTOTHEPROCESSMANUALTABLE75AFTERPROCESSING“THEBIGGEST5134829MINIMUM504761MACHININGALLOWANCEUNILATERAL1THEBIGGEST23AMINIMUMOF071MACHININGTOLERANCEUNILATERAL0703022/2WWWDOCINCOMCUTTINGTOOLLENGTHTRYTOCUTOUTTHEMMLMMLMML0CUTLENGTH,13621FNTHENAMELLLTS2120721136538SPROCESS,ROUGHHINGE35OFTHEHOLES1THECUTTINGSPEEDTOOLISDURABLEMIN60TVYXPMZVITAMINKFATDCVVVV0ACCORDINGTOPA75MMF10SEARCHVK093CHECKTHEPROCESSMANUALTABLE213GETTHECOEFFICIENTVC8X02Y03Z06M025AVAILABLE93V0015760358302025006MIN915M270SM2DETERMINETHESPINDLESPEEDOFMACHINETOOL4623514327010001000SRDVNWS3CUTTINGHOURSACCORDINGTOTHEPROCESSMANUALTABLE75CUTTERMACHININGLENGTHMMLMML271FNLLTS10146227663SWWWDOCINCOMPROCESSECONOMICDRILLECONOMIC35INSIDESURFACE1THECUTTINGSPEEDTOOLDURABLEMIN60TVYXPMZVITAMINKFATDCVVVV0ACCORDINGTOPA1MMF10SEARCHVK093CHECKTHEPROCESSMANUALTABLE213GETTHECOEFFICIENTVC8X02Y03Z06M025AVAILABLE93V0010160351302025006MIN282M040SM2DETERMINETHESPINDLESPEEDOFMACHINETOOL3603514304010001000SRDVNWS3CUTTINGHOURSACCORDINGTOTHEPROCESSMANUALTABLE75CUTTERMACHININGLENGTHMMLMML211FNLLTS10136021338SPROCESS20HOLES1THECUTTINGSPEEDTOOLISDURABLEMIN60VTPA10MMYXPMZVITAMINKFATDCVVVV0CHECKTHEPROCESSMANUALTABLE1161FORTHEHOLETOBEDRILLEDPHI20TOF065WWWDOCINCOMANDTHEPROCESSMANUALTABLE428TOVK094CHECKTHEPROCESSMANUALTABLE213GETTHECOEFFICIENTVC111X0Y04Z0125AVAILABLE94V06506020111401250025MIN715M260SM2DETERMINETHESPINDLESPEEDOFMACHINETOOL1442014326010001000SRDVNWS3CUTTINGHOURSACCORDINGTOTHEPROCESSMANUALTABLE75CUTTINGTOOLLENGTHTRYTOCUTOUTTHEMMLMMLMML2CUTLENGTH,25021FNTHENAMELLLTS216501442250224SPROCESSCOARSECARPHI41CYLINDRICALSURFACE1CUTTINGDEPTHOFUNILATERALRESIDUALCANBEREMOVEDATONETIME,2MMZ2SUPPLYRMMF40ACCORDINGTOTHEPROCESSMANUALTABLE3133CALCULATETHECUTTINGSPEEDACCORDINGTOTHECRAFTSHANDBOOKTABLE338TOOLDURABILITYTMIN45CHADCOEFFICIENTOFVC292XY03015M018VYXPMVITAMINKFATCVVV8106007354024529230150180WWWDOCINCOMMIN170M82SM4DETERMINETHESPINDLESPEEDOFMACHINETOOL721411438210001000SRDVNWS5CUTTINGHOURS515140721214128321SFNLLLLTSPROCESSCOARSECAR,HALFFINEPHICYLINDRICAL50UNDERTHEFACE1THEREMOVALOFTHEDEPTHOFTHECUTTINGDEPTHCANBEREMOVEDATATIME,1MMZ2SUPPLYRMMF40ACCORDINGTOTHEPROCESSMANUALTABLE3133CALCULATETHECUTTINGSPEEDACCORDINGTOTHECRAFTSHANDBOOKTABLE338TOOLDURABILITYTMIN45CHECKCOEFFICIENTOFVC242XY035M02015VYXPMVITAMINKFATCVVV8104014524235015020MIN2126M12SM4DETERMINETHESPINDLESPEEDOFMACHINETOOL413501431210001000SRDVNWS5CUTTINGHOURS330404131541571SFNTHENAMELLLTSWWWDOCINCOMPROCESSCOARSECAR,HALFFINE50CYLINDRICALPHIACCORDINGTOTABLE1143TECHNOLOGYHANDBOOKACCORDINGTOPROCESSINGCONDITIONSFORREFERENCE80RMMF150SMVDETERMINESPINDLESPEEDOFMACHINETOOL9605014315010001000SRDVNWSTHECUTTINGHOURSARE7TO5ACCORDINGTOTHEPROCESSMANUALCUTDEPTHMMLMML5221FNCUTTOLENGTHTHENAMELLLTS21809602557383SPROCESSTHICKCYLINDRICALCARPHI53NEXTFACEACCORDINGTOTABLE1143TECHNOLOGYHANDBOOKACCORDINGTOPROCESSINGCONDITIONSFORREFERENCE80RMMF150SMVDETERMINETHESPINDLESPEEDOFMACHINETOOL9005314315010001000SRDVNWSTHECUTTINGHOURSARE7TO5ACCORDINGTOTHEPROCESSMANUALCUTDEPTHMMLMML51121CUTTOLENGTHATWWWDOCINCOMFNLLTS218090051153SPROCESSCOARSECARPHI53CYLINDRICALACCORDINGTOTABLE1143TECHNOLOGYHANDBOOKACCORDINGTOPROCESSINGCONDITIONSFORREFERENCE80RMMF30SMVDETERMINETHESPINDLESPEEDOFMACHINETOOL81531433010001000SRDVNWSTHECUTTINGHOURSARE7TO5ACCORDINGTOTHEPROCESSMANUALCUTDEPTHMMLMML50121FNCUTTOLENGTHLLTS218081501051SPROCESSTHICKCYLINDRICALMILLINGPHI53ONTHEFACEACCORDINGTOTHEPROCESSHANDBOOKOFTABLE1147148,TABLE1ACCORDINGTOPROCESSINGCONDITIONSFORREFERENCE20RMMF50SMVDETERMINESPINDLESPEEDOFMACHINETOOLWWWDOCINCOM967201435010001000SRDVNWSTHECUTTINGHOURSARE7TO5ACCORDINGTOTHEPROCESSMANUALCUTDEPTHMMLMML166121FNCUTTOLENGTHLLTS212096716618104SPROCESSDRILL,HINGE,HINGEPHI285HOLEACCORDINGTOTABLE1163TECHNOLOGYHANDBOOKACCORDINGTOPROCESSINGCONDITIONSFORREFERENCE80RMMF180SMVDETERMINETHESPINDLESPEEDOFMACHINETOOL2922514318010001000SRDVNWSTHECUTTINGHOURSAREBASEDONTABLE75OFTHEPROCESSMANUAL5LCUTDEPTHMMLMML805121FNCUTTOLENGTHTHENAMELLLTS218029280515247SPROCESSXIII414HOLESACCORDINGTOTABLE1163TECHNOLOGYHANDBOOKACCORDINGTOPROCESSINGCONDITIONSTOTAKEREFERENCEWWWDOCINCOM70RMMF551SMVDETERMINETHESPINDLESPEEDOFMACHINETOOL1461414355110001000SRDVNWSTHECUTTINGHOURSARE7TO5ACCORDINGTOTHEPROCESSMANUALCUTDEPTHMMLMML12721FNCUTTOLENGTHTHENAMELLLTS21703351274479STHREEFIXTUREDESIGNINORDERTOIMPROVETHELABORPRODUCTIVITYGUARANTEEPROCESSINGQUALITYREDUCTIONOFLABORINTENSITYNEEDTODESIGNSPECIALFIXTUREAFTERCONSULTATIONWITHTHEINSTRUCTORDECIDEDTODESIGNPROCESSROUGHMILLINGTWOFACEUNDERTHEOUTERSIDETHISFIXTUREWILLBESPECIALMACHINETOOLSUPPORTINGTHEUSECYLINDRICALMILLINGCUTTERTOOLTHESELECTIONOFPOSITIONINGBASETHEPROCEDURESELECTSMM20CYLINDRICALPINANDAPLANEPOSITIONINGAPLANEFORTHEFIRSTMUSTHAVEABENCHMARKMM20LIMITSTHEWORKPIECEPOSITIONINGPINANDTHEFIVEDEGREESOFFREEDOM2CUTTINGTORQUEANDAXIALFORCE,THECALCULATIONOFCLAMPINGFORCE1AXIALFORCETOOLCYLINDRICALMILLINGCUTTERPHI25ACCORDINGTOTHEPROCESSMANUAL,TABLE336WWWDOCINCOMVVVVQWUXEYXPFDNZAFACF03186086072025440080136503377N2CUTTINGTORQUEIS3010MYMKFDCMM3TO23750809110735600402554333310860480381510893462MN3CLAMPINGFORCEACCORDINGTOTHEMACHINETOOLFIXTUREDESIGNMANUALTABLE213CLAMPINGFORCEIS221112LFLFKFLFMW331925032303377322506234061256614N3POSITIONINGERRORANALYSISTHEWORKPIECEENDFACEFORTHEFIRSTBASEONTHESHORTPINPOSITIONINGASTHEFIRSTDATUMNOBENCHMARKDISPLACEMENTBYMISTAKEPOORIS0POSITIONBANDTHESECONDPOSITIONINGBASEINNERHOLECENTERLINEWILLBEBECAUSETHEENDVERTICALITYERRORANDGUIDETHEBENCHMARKANGLEERRORANGLEATHEVALUEOFWORKANGLETGATG0860015THEERRORSATISFIESTHEPRECISIONOFTHEPARTWWWDOCINCOM4FIXTUREDESIGNANDBRIEFDESCRIPTIONOF