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数控车床丝杠进给系统刚度对定位精度的影响研究.docx

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数控车床丝杠进给系统刚度对定位精度的影响研究 Title:TheInfluenceofCNCLatheScrewFeedSystemRigidityonPositioningAccuracy Abstract: WiththedevelopmentofCNCtechnology,screwfeedsystemshavebecomeanessentialcomponentinCNClathes.Therigidityofthesesystemsplaysacrucialroleintheoverallaccuracyofthelathe'spositioning.ThispaperaimstoexploretherelationshipbetweentherigidityofthescrewfeedsysteminCNClathesanditseffectonpositioningaccuracy.Thestudyinvolvedacomprehensiveliteraturereview,theoreticalanalysis,andexperimentalinvestigation.TheresultsshowthattherigidityofthescrewfeedsystemhasasignificantimpactonthepositioningaccuracyofCNClathes,andvariousfactors,suchasmanufacturingmaterials,structuredesign,andpreloadsettings,canaffectitsrigidity.UnderstandingandoptimizingtherigidityofthescrewfeedsystemcanimprovetheoverallperformanceandaccuracyofCNClathes. 1.Introduction TheprecisionofpositioninginCNClathesisofutmostimportanceinvariousmanufacturingindustries.Thescrewfeedsystemisanintegralpartoftheselathes,providingaccuratemotioncontrolandfeedrates.Therigidityofthescrewfeedsystemdirectlyaffectsthepositioningaccuracyofthelathe,makingitacriticalparametertoconsiderforimprovingperformance.Thispaperfocusesoninvestigatingtheinfluenceofscrewfeedsystemrigidityonpositioningaccuracyandprovidesrecommendationsforoptimizingitsdesign. 2.LiteratureReview Acomprehensivereviewoftheexistingliteratureonscrewfeedsystemsandtheirimpactonpositioningaccuracywasconducted.ThestudieshighlightedthesignificanceofscrewfeedrigidityontheperformanceofCNClathes.Variousfactors,suchasmaterialselection,structuredesign,andpreloadsettings,wereidentifiedaskeyfactorsinfluencingrigidity.Theliteraturereviewformedthebasisforthetheoreticalanalysisandexperimentalinvestigationinthisstudy. 3.TheoreticalAnalysis Basedontheliteraturereview,atheoreticalanalysiswasconductedtounderstandtherelationshipbetweenscrewfeedsystemrigidityandpositioningaccuracy.Theanalysisinvolvedmodelingthesystemusingmathematicalequationsandsimulationstoevaluatetheeffectsofdifferentparamete