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

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