ElectricalFeedDrivesforMachineTools

EditedbyHansGross

SiemensAktiengeselischaftDohnWiley&SonsLimited

Authors;GottfriedStulcFCarl-HeinzBobcljurgenHesscibachUlfHodcl

InstitutfiirStcucrungstcchnikundFcrtigungs-cinrichtungenanderUnivcrsittStutlgart(thcInstituteofControlTheoryforMachineToolsandManufacturingEquipmcnt.atUnivcrsityofStuttgart)

PctcrStof

TranslatedbyDanielaVogelgesang

CIP-KurztitelaufnahmcderDeutschenBibliothekElectricalfeeddrivesformachinetools/ed.byHansGross.[Authors;GottfriedStute...Transl.byDanielaVogelgesang].-Berlin;Miinchen;Siemens-Aktien-gesellschaft;Chichester:Wiley,1983.Dt.Ausg.u.d.T.:ElektrischeVorschubantriebefiirWerkzeugmaschinenISBN3-8009-1377-1(Siemens-Aktienges.)ISBN0-471-26273-0(Wiley)NE;Gross,Hans[Hrsg.]

BritishLibraryCataloguinginPublicationData:Electricalfced-drivesformachinetools.1.Machine-tools-ElectricequipmentI.Gross,Hans621.9'02TJ1180ISBN0-471-26273-0

LibraryofCongressCataloginginPublicationData:ElektrischeVorschubantriebefiirWerkzeugmaschinen.English.Electricalfeed-drivesformachinetools.Translationof:ElektrischeVorschubantriebefiirWerkzeugmaschinen.Includesbibliographiesandindex.1.Machine-tools-Electricdriving.I.Gross,Hans.ILTitle.TK4059.M32E44131983621.9'0283-9410ISBN0-471-26273-0(Wiley)

TitleofGermanoriginaledition:ElektrischeVorschubantriebefiirWerkzeugmaschinenSiemensAktiengeselischaft1981SBN3-8009-1338-01983bySiemensAktiengeselischaft,BerlinandMunchen;JohnWiley&SonsLtd.,ChichesterAIIRighlsReserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmitted,inanyformorbyanymeanselectronic,photocopying,recordingorolherwise,withoutihepriorpermissionofSiemensAktiengeselischaftandJohnWiley&SonsLtd.PrintedintheFederalRepublicofGermany

Preface

Duetothcstcadilyincrcasingmanufacturingandpcrsonnelcosts,incrcasingproductivityhasrecentlybecomeastringentnecessity.Electricaldriveshaveconsidcrablycontributedtosolvingthisproblemintheareaofthemaehinetoolindustry.Theyrepresentacost-efficientengineeringtechnique,whichiscconomicalevenforuseonfeedunitsthatwerepreviouslymovedmanuallyorwithacentraldrive.Also,today'ssimpletooperate,freelyprogrammablenumericalcontrolsrequireindependentlycontrolleddriveswithawidespeedrange.

Siemenshassignificantlycontributedtothistransitionfrommechanicalandhydraulicsystemstoelectricalones,andhasbroughtonthemarkethighlydynamicconverter-fedservodrives.Duetotheirsimple,robustconstruction,gooddynamicproperties,aswellasthcirhighdurability,thesedrivesareopenedtoawidefieldofapplications.Thcfeedunitsofnumericallycontrolledmaehinetoolsandtracingmachinesarepositionedalongprogrammedpathsorwithpositioncontrolloops.Theincreasingautomationputseverstrictcrdcmandsonthesepositioncontrolloops.Thevelocityandtheaccuracyofthefeedmovementscanbesignificantlyincreasedwiththeelectricaldrive.

Forthefurtherdevelopmentofthisengineeringtechniquc.SiemensAGspon-soredspecialresearchstudiescenteredonpositioncontrolandfeeddrivesattheUniversityofStuttgart,InstituteofControlThcoryforMaehineToolsandManufacturingEquipment.ThetheoreticaltcchnicalbasicsforpositioncontroloptimizationhavebeenworkedoutatthisInstitute,andproceduresforpracticaimeasurementsonappliedpositioncontrolloopshavebeendevel-oped.ThelongpracticaiexperiencethatSiemenshasinthisarcawasanimportantpartoftheproject.ThepresentvolumesummarizcstheresultsofthescientificworkatthcUniversity,andthcpracticaiexperienceofstart-ups,design,development,andconstructionofthesedrives.

Thisbookgivesthebasicsnecessaryforthcdailytasksandthcprocedurestobcapplicdtomakcthcrightintcrpretationsanddccisions,forthcstaffindesignanddevelopmentoffices,forsalesandfieldengineers,andforservicetcchnicians.

Studentsofmechanical,electrical,andcontrolengineeringwhowouldliketogetaquaintedwiththeareaoffeeddrivetechniqiie,findhereacomprehensivepresentationofthedifferentfields.

Erlangen/Stuttgart,April1983

(SicgfricdWallcr)Managerol"ihcMaiuifacuiringIndusiricsDivisionofihcPowerEngineeringane)AutoinaiionGroupofSiemensAG

(Prof,Dr.-Ing.GollfriedStuie)ManageroftheInsliluteol'ControlTheoryforjMacliineToolsandManufacturingEquipmentaitheUniversityofStuUgarl

1.3.2SettlingTimeandOvershootWidthatPositioning.....53Contents

1FeedDriveandPositionControlLoop131.1BasicsofControlTheory131.1.1OpenandClosedLoopControl131.1.2StationarySystemsBehavior141.1.2.1CharacteristicCiirves141.1.2.2Lincarization151.1.2.3NormalizedValues161.1.2.4ReferencedValues181.1.3DynamicSystemsBehavior181.1.3.1DifferentialEquations181.1.3.2TransientResponse221.1.3.3FrequencyResponseCurve261.1.3.4BodeDiagrain291.1.3.5LinkageofTransferElements321.1.3.6FrequencyResponseCurveSymbolforControlLoops...341.1.3.7ExperimentalDeterminationoftheFrequencyResponseCurve351.2BasicsofthePositionControlLoop361.2.1ConstructionandFunctioningofthePositionControlLoop361.2.2Localization381.2.2.1MeasuringValueDetection381.2.2.2MeasuringProcedures391.2.2.3LocationofMeasurement391.2.3CharacteristicValuesandPropcrtiesofPositionControlLoops401.2.3.1DynamicSystemsBehaviorofSingleControlLoopElements411.2.3.2ExplanationofTerms441.2.3.3BehaviorofLinearPositionControlLoops441.2.3.4Non-linearitiesinthePositionControlLoop501.3PositionLoopGain521.3.1PositionControlLoopModel52

1.3.3RampDistanceforThrcadCutting561.3.4ContourDeviationsonCorners611.3.5ContourDeviationsonCircles631.3.6DisturbanceTransientResponse661.3.7RequirementsforthePositionLoopGain671.4Bibliography69

2DCMotorsforFeedDrives702.1RequirementsfortheFeedDrive702.1.1RequirementsforStationaryOperation702.1.2RequirementsforNon-stationaryOperation70

ThankyouforusingWondersharePDFConverterPro4.1.0.

Youcanonlyconvertupto5pagesinthetrialversion.

Togetthefullversionpleasepurchasetheprogramhere:

http://cbs.wondershare.com/go.php?pid=839&m=db