单螺杆机床论文中英文对照资料外文翻译文献文档格式.docx

单螺杆机床论文中英文对照资料外文翻译文献文档格式.docx

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Decidethesizeofthecompressordisplacementofthestarsround,screwdiameter,meshsizeandthesizeofthecenterdistance,sodifferentindiameterscrew,machinetoolspindleandtherotarycenterarealsodifferent.Tomeettheprocessingofdifferentdiameterscrew,singlescrewCurrentlythelayoutofmachinetoolsingeneralthereareseveraloptions.

Thefirstis:

machinetoolrotarytoolspindlecenterandthecenterdistanceforthefixed

Machinetoolrotarytoolspindlecenterandthecenterdistanceforthefixed,cannotadjustthecenterdistance.Processingofseveralofthescrewdiameteronthecenterdistancerequiredseveraldifferentspecificationsofthemachine.

Advantages:

simplestructureofthemachine.

Disadvantage:

eachmachinecanonlyprocessaspecificationofthescrew,whenthemarketonacertainspecificationrequirementswhenthescrewcompressor,resultinginamachine,othermachineidle.

Thesecond:

themachinetoolspindleboxforrotary

Processingscrewmachineaccordingtothesizeofthediameterattheprocessingbeforeapointofrotatingspindlebox.Spindleboxthatthemachinecanturnonamachineattheabove-mentionedarticleontheuseoftheimprovements,withthefirststructureofamachinetoolisbasicallythesame.

thestructureofmachinetooleasytoadapttoavarietyofspecificationsoftheprocessingscrew.

Onedisadvantage:

aftertherotatingspindleboxandthetoolspindleturningcenterlinedistancebetweenthecenterlineofaccuratemeasurementdifficult.

2disadvantage:

aftertherotatingspindlespindleboxandthefrontsurfaceoftherotarycuttercenterlinedistancebetweenthereductionofthelargerdiameterofthescrewprocessingislimited.

Thethird:

themachinetoolspindleboxforhorizontalmobile

Boxatthebottomofthespindleandthebasethereisarrangedbetweentherectangularslidingrail,spindleboxperpendiculartothedirectionofmovementofspindlecenterlineandperpendiculartothecenterlineofthetoolrotation.Throughthepowerofthespindleboxsplineshafttothebaseofthetoolfeedmechanism.

Screwdiameter,accordingtothesizeoftheprocessingintheprocessingofthepreviousroundbyhandtothebodyputintothescrewspindleboxmovedtotheappropriatelocation,andthenscrewthespindleboxonafixedbase.SpindleboxavailablefromthemobileGratingdetection,positionerror±

0.005mm.

Horizontalspindleboxcanbeusedasamobilemachinecanprocessdiameterφ95~φ385mmanykindbetweenthescrewspecifications.

Φ95~φ385mmprocessingbecauseofthediameterofthescrew,causingthefrontsurfaceandthetoolspindlerotationthedistancebetweenthecenterlineofthemarginistoolarge,theactualapplicationinthedesignspecificationsofthemachineintotwo,aφ95~φ205mmmachinescrewdiameterAnotherφ180~φ385mmmachinescrewdiameter.

avarietyoftoolstoadapttothespecificationsoftheprocessingscrew,eachscrewspecificationsneednotbeprovidedwiththeappropriatemachinetools.

thestructureofmachinetoolsandmachinetoolassemblyofthetwokindsofmorecomplexmachinetools,machinetoolsthanthecostoftwokindsofmachinetoolsbeforethehigh.

Second,introducethestructureofmachinetoolspindle

Thelevelofmachinetoolspindleboxonthemainaxisandthebaseoftheverticalaxisdeterminesthedegreeofprecisionwastheprecisionscrewmachining,atthesametimescrewcompressorataspeedofthousandsofhigh-speedrotaryswitch,theaccuracyofthescrewwillbelesssothatthecompressorhaveafever,vibration,lowefficiency,suchaswearandtearsituationquickly.

Currentlyavailablesingle-screwmachinespindlestructureoftheprogramhasthefollowingtwo.

bearingradialclearanceisnotadjustablespindlestructure

Beforespindlebearingouttheuseofonepairsofcylindricalrollerbearingsandthrustballbearingcombinationofboth,themainuseofdoublerowcylindricalrollerbearingsunderradialcuttingforce,theuseoftwoballbearingstobearaxialthrustcuttingforce.

Afterthegeneraladoptionofthespindlebearingsoutonepairsofcylindricalrollerbearingsoraballbearingtotheheart.

Mainadvantagesofthisstructure:

themainaxisoftheprocessingandassemblyofsimple,lowcost.

becausethemainaxisoftheradialbearingclearancecannotbeadjustedsopoorprecisionspindle.Althoughtheuseofbearingsandshaftdiameterfittoeliminatetheradialbearingclearance,buteachbearingdiameterandradialclearanceisnotafixedvalue,soitisdifficulttodesignandprocessingtothequasi-axial-radialandbearingswithboretolerances.

itisverydifficulttobuyinthemarketofdomesticallyproducedorimported,C,DorP4,P5classthrustballbearings,machinetoolmanufacturingplantcommonlyusedalternativetotheuseofordinaryclassbearings,whichalsoaffectedtheaccuracyoftheenhancespindle.

Bearingradialclearanceadjustablespindlestructuredonotapplytothegeneralaccuracyofthegeneralmachinetools,doesnotapplytorequireahigheraccuracyofthespindleofmachinetools.

theradialbearingclearanceadjustablespindlestructure

BeforetheadoptionofaspindlebearingP4classofdoublerowtaperedholecylindricalrollerbearingsandaP4-classdoublerowballbearingthrusttothecombinationofheart.Theuseofthespindleholeofthedoublerowtaperedcylindricalrollerbearingsunderradialcuttingforce,theuseofdoublerowballbearingthrusttothehearttobearpartoftheaxialandradialcuttingforcecuttingforce.

SpindlebearingsgenerallyusedafteraP5classofdoublerowtaperedholecylindricalrollerbearings.

Doublerowtaperedholecylindricalrollerbearingswithinnerringandshaftaretapered1:

12,bearinglocknutwitharoundledabearingintheaxialdisplacementoftheinnerringbearingsandexpansion,toreduceoreliminateBearingradialclearancepurposes.

Mainstructureofsuchadvantages:

highprecisionspindle.Atthefrontspindlediameterφ230mmnoodleontheendmeasuringspindleBeatvalueof0.010mm.Φ230mmcylindricalspindleatthefrontendontheradialaxismeasurementvalueofBeat0.005mm.Thesecondstructureofthespindleofaprecisionspindleaccuracythanthefirstabout50%improve.

Maindisadvantageofthisstructure:

Theprincipalaxisofthemorecomplicatedprocess,thespindleassemblyalsohastheexperiencenecessarytomaketheworkerstooperatethespindleachievethedesirednumericalaccuracy.

Third,thedepthofthetoolfeedcontrol

Requireddifferentprocessingscrewdiameterspiralgroovedepthisalsodifferentfromthedepthofthespiralgroovemmfromdozenstomorethan100millimetersrangearoundthetoolintotheinstitutionsrequiredtofeedthethousandsofringrotationinordertoachieveascrewmachining.

Feedbecauseofthetoolinthetoolrotatingatthesametimeachievemotionfeed,soonanumberofgeneralmachinetoolsusedinmechanical,electricalcontrolmethodofdepthofcutdoesnotapplytosingle-screwmachine.

Singlescrewmachinetoolsgiveagenciesintothefollowingdifferentmethodscanbefeedtocontrolthedepthofpurpose.

frictionclutchandelectricalswitchestocontrolthedepthofthetoolfeed

Itsprincipleistocontroldepthofcutincreasesthetoolcutterfeedmechanismincreasestheloadtorquesothatthetoolfeedingmechanismofthefrictiontransmissionchainslippingclutch,amechanicallinkageconcurrentsilenttriggerelectricalswitches,opticalsignalpromptedoperator,whenmanualoperatortodisconnectthetoolintothepowersector.

Theadvantagesofthiscontrolmethodare:

thecontrolmethodissimpleandsparepartsprocessingandoperationalpowerfromtheimpactofasudden.

Disadvantageare:

processingofdifferentdiameterscrewtoadjusttheclutchfrictiondiscspressedthepreloadspring.

Materialbecauseofthedensityofeachscrew,andthehardnessoftheexistenceofsubtledifferencesinthedegreeofcuttingtoolssharpdifferencesexist,thustheaccuracyofthiscontrolmethodwasnottooaccurate,mayleadtoscrewspiralgroovedepthtoleranceistoolarge.

useofanelectromagneticclutch,encodercontroltoolintothemixtothedepthof

Toolfeedsystem,equippedwithelectromagneticclutchandatoolfordetectingthenumberofrotatingringgearandagunencoder.

Itisatoolofcontrolprinciplehandscrewsurfaceencodertostartcountingswitch,thenstartcountingcountingdevice,whentherotarytooltopre-setnumberoflapswhenthecuttingdepthisreached,theelectromagneticclutchautomaticoffopentothepowertoolintotheconcurrentsilent,opticalsignalpartspromptedtheoperatorhasfinishedprocessing.

Thedetectiondevicethroughthedigitaldisplayshowsthenumberoffeedcirclesorfeed.Tornoffandtheelectromagneticclutch,thetooldoesnotonlyintotherotationwiththeverticalshafttothesport.

thedepthofthespiralgroovescrewtoleranc