7075铝合金偏心薄壁件高速车削加工应用方法研究.pdfVIP

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7075铝合金偏心薄壁件高速车削加工应用方法研究

11

骆仕斌，李爱娜，黄松福，邱英洋

（1.阳江职业技术学院，广东阳江529566；2.阳江市睿精模塑有限公司，广东阳江529500）

针对偏心薄壁件的高速车削加工方法开展了相关研究，设计了高精度的专用偏心夹具，实现了对偏心薄壁件提供

摘要：

均匀的夹持力，提高了工件的偏心精度和装夹效率。以PCD刀具为切削工具，7075铝合金为切削对象，通过设计正交试验

法，验证了在高速切削环境下，合理的进给量对表面质量的提升至关重要，进给量和背吃刀量是增加切削力的主要因素，切

削速度对切削力和表面粗糙度影响较小，适当提高刀尖圆角半径可降低工件的粗糙度。

偏心薄壁件；高速车削；正交试验；进给速度

关键词：

中图分类号:TG519.1文献标志码:粤文章编号：员园园圆原圆猿猿猿（圆园员9）08原园173原园4

ResearchonHighSpeedTurningMethodfor7075AluminumAlloyEccentricThin-walledParts

LUOShibin,LIAina,HUANGSongfu,QIUYingyang11

（1.YangjiangVocationalandTechnicalCollege,Yangjiang529566,China;2.YangjiangRuijingMouldingCo.,Ltd.,Yangjiang529566,China）

Abstract:Aimingatthehigh-speedturningmachiningmethodofeccentricthin-walledparts,ahigh-precisionspecial

eccentricfixtureisdesignedtoprovideuniformclampingforceforeccentricthin-walledparts,whichimprovesthe

eccentricityandclampingefficiencyoftheworkpiece.WiththePCDtoolasthecuttingtoolandthe7075aluminumalloy

asthecuttingobject,theorthogonaltestmethodisdesignedtoverifythatthereasonablefeedrateiscriticaltothesurface

qualityimprovementinhigh-speedcuttingenvironments.Thefeedrateanddepthofcutarethemainfactorsfor

increasingcuttingforce.Thecuttingspeedhaslittleeffectonthecuttingforceandsurfaceroughness.Properlyincreasing

theradiusofth