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机 床 与 液 压
Dec.2012 HydromechatronicsEngineering Vo1.40 No.24
DOI:10.3969/j.issn.1001—3881.2012.24.005
CircleTestsforVerticalM achiningCenterApplication
ZHANGMinming ,SHIQinghua,DONGYingming,TANZhaokang,HANYuwen
,.FacultyofMechanicalandElectricalEngineering,KunmingUniversityofScienceandTechnology,
Kunming650093,China;2.YunnanProvinceKeyLabofElectromechanicalIntegrationofTechnology
Applications,Kunming650031,China;3.YunnanProvinceAdvancedManufacturingTechnology
ResearchCenter,Kunming650031,China;.KunmingMillingMachineCo.,Ltd,Kunming65002,,China
Abstract:W iththerapiddevelopmentofnumericalcontroltechnology,theapplicationofnumerI_
calcontrolmachine ismoreandmorepopular,thevariousmanufacturing industrieswhichuse
CNC machinetoolshavehigherrequirementsCNCmachinetoolsinefficiencyandmachiningac—
curacy.TheCNC machineRoundnesstestingcarriedoutinthenonstressstatecan largelyre—
flectthegeometricaccuracy,CNC precisionandservomismatchwhich isrelatedtothemachi—
ningcircularcontourspecimenandusethecharacteristictoconductaroundnesstestingofaver-
ticalmachiningcenter.Throughdataanalysistoidentifycausesoferrorandthe influencetothe
precisionofprocessingandputforwardcorrespondingimprovementmeasurestoimprovetheac—
curacyofmachinetoo1.
Keywords:machinetoolaccuracy,roundnesstesting,erroranalysis,errorcompensation
closely related to CNC machine toolperformance,
1.Introduction toolcuttingprocessand the cuttingparameters.To
meettherequirementsofmachiningpiecesroundness
RoundnesserroroftheCircularcontourwork. error,weneedprocessthe
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