回转工作台的设计与研究方向-毕业论文外文翻译Word文档下载推荐.docx
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Keywords:
rotarytable;
designandresearch;
newideas;
developments
0Introduction
OnApril11to16,2011,thethemeof"
scienceandtechnologyinnovationtomeetthecrisisgeneration"
ofthe12thChinainternationalmachinetoolexhibition(CIMT2011)washeldinBeijing.Inaneconomiccrisishazedissipating,slowrecoveryunderthebackgroundofinternationaleconomy,China'
seconomyhealthyandrapiddevelopmentpattern,isattractingmoreandmoreattention.Inthisexhibition,theknowledgeofmachinetools,tools,manufacturingenterprisesathomeandabroadGatherinBeijing,astheeconomiccrisisafterthebaptismofmachineryindustrybroughtafeastfullofimaginationandcreativityofscienceandtechnology.IstheexhibitionofmachinetoolaccessoriesexhibitionIntermsofproduct,highefficiency,highprecision,highreliability,highlifestillistodevelopthethemeofpursuit.Asforthemachinetoolaccessoriesrotarytableisnoexception.Rotarytableisdividedintoindexingtable,androtarytable.Indexingtablecanonlybecompleteddividingmovement,thereisnofunctionoffeed.Canbeusedwithworkasawhole,canalsobeusedalone.Commonpositioningpinandrattoothplate;
NcrotarytableistheidealmatchingaccessoriesofallkindsofCNCmillingmachineandmachiningcenter.TurnbacktothetabledesignProcessincludeThebasictypesofrotarytablesnotonlythemechanicaldrivemechanism,anditalsoinvolvesthemechanicalandelectricalcontrolsystem,thedesignideaofthetwopartsasthedemandofthemarketandcustomers,constantlyupdateandperfect,therefore,thedesignandresearchdirectionoftherotarytabledirectlyaffectthebenefitandtheriseandfalloftheturntableproductionenterprises.
1Thebasictypesofrotarytable
1.1Generalturntable
Rotarytableisboringmachine,drillingmachine,millingmachineandtheslottingmachine,andotherimportantaccessories,usedforprocessingandthereisarequirementfordividinghole,slotandslope,turntheworkbenchwhenprocessing,canbeprocessingarcsurfaceandgroove,etc.Accordingtothestructureisdividedintodifferentlevelsturntablegeneralturntable,lietheturntableanduniversalturntable.
(1)waterflatturntable:
onthefrustumofaconewithcentralholeworkpiecepositioningandclampingwithTslots.Mesaengravedwith360°
ontheouterperipheryofuniformscribedline.Mesabetweenbaseandawormpole-wormgearpair,ratioof90:
1or120:
1,todriveanddividing,wormoutfrombasewithdialandsegmentattheendofthehandwheel.Turnthehandwheeltodrivemesa,andthemesacylindricalweekscale(indegrees)andsubdivisiondialreadoutrotationAngle.Dividingaccuracyiscommonly+60Levelsturntablewormoutsidecanalsobeusedcouplingconnectedtomachinetransmissiondevice,inordertorealizethedynamicdrive.
(2)lieturntable,thebasehastwoperpendicularinstallationbase,makemesacanbelevelAlsocanbevertically.
(3)theuniversalturret:
mesacanbewithinthescopeof0°
〜90°
inclinedatanyAngle,maketheworkpieceatanyAngleofspacecanbeaccuratelyadjusted.
1.2precisionturntable
PrecisionturntableUsedforprocessingorAnglemeasurementonprecisionmachinetools.Commonopticalturntable,digitaldisplayturntableandsuperprecisioncontrategearplateofturntable.
Opticalrotarytable:
(1)onthespindleisequippedwithglassormetalprecisiondial,theopticalsystemtosubdividescale,amplification,throughtheeyepieceorscreenAnglevalue.
(2)digitalturntable:
mountedontheturntablespindleprecisioncirculargratingorroundinductosynanddisplayunitbythenumberofwordstheAnglevalue.Theabovetwoprecisionturntabledividingprecisionupto+/-1
(3)theultra-precisionendtoothdiscturntable:
useapairofprecisionofresearchon1440,720or360toothfacetoothdiscdividingpositioning,theindexingaccuracyupto+/-0.01”,makeapreciseAnglemeasurement.
2Thedesignparametersandtheworkingprincipleofrotarytable
Rotarytabledesignparametersinclude:
rotarytable,tablesize,totaltablehighdegree,bearingtable,feedspeed,turningbacktospeedrange,fastspeedrotaryspeed,electricpower,rotarytable,dividingprecisionandmeasurementsystem,etc.Thisstudyisbasedonmechanismofshaanxiinstituteoftechnologylabor