2022年12月第21卷第4期滁州职业技术学院学报JournalofChuzhouPolytechnicDec.2022Vol.21No.4收稿日期:2022-04-17基金项目:滁州职业技术学院校级自然科学研究项目(YJY-2021-05)作者简介:孙晋亮(1985—),男,山东枣庄人,硕士研究生。正交车铣杆类胚料切削力的研究孙晋亮,杨永琳,谭志银(滁州职业技术学院电气工程学院,安徽滁州239000)摘要:铣刀由多个切齿构成。在切削加工时,不同齿数的铣刀在加工过程中受力状态不同,同时参与切削的齿数也是不同的,因此,在正交车铣加工过程中,铣刀可能是恒定齿数切削,也可能是变齿数切削。不同的切削状态导致不同的切削效果,实验基于瞬间参与切削的铣刀切削齿数不同,对正交车铣切削的切削力进行研究,得到了瞬时单齿切削杆类胚料时,切削力快速增加到力的绝对值最大值,多齿切削为单齿车铣切削力的叠加,在稳定后呈现出有规律的波动变化;每齿进给量和切削深度与轴向力和径向力呈正线性关系。关键词:齿尖角;断续切割;连续切割;恒定齿数切削;变齿数切削中图分类号:TG506文献标识码:A文章编号:1671-5993(2022)04-0055-04StudyonCuttingForceofOrthogonalTurn-millingRodBlankSUNJinliang,YANGYonglin,TANZhiyin(ChuzhouPolytechnic,Chuzhou239000,China)Abstract:Themillingcutteriscomposedofapluralityofcuttingteeth.Inthespecificcuttingprocess,themillingcutterwithdifferentnumbersofteethhasdifferentstressstatesinthemachiningprocess,andthenumberofteethinvolvedincuttingisdifferent.Therefore,intheprocessoforthogonalturn-milling,themillingcuttermaybecuttingwithconstantnumbersofteethorvariablenumbersofteeth.Differentcuttingstatesleadtodifferentcuttingeffects.Basedonthedifferentnumbersofcuttingteethofthemillingcutterparticipatingintheinstantaneouscutting,thecuttingforceoforthogonalturn-millingcuttingisstudied.Itisobtainedthatwiththeinstantaneoussingletoothcuttingrodblank,thecuttingforceincreasesrapidlytotheabsolutemaximumvalue,andthemulti-toothcuttingisthesuperpositionofthesingletoothturn-millingcuttingforce,showingregularfluctuationafterstabilization.Thefeedrateandcuttingdepthofeachtoothhaveapositivelinearrelationshipwithaxialforceandradialforce.Keywords:toothtipangle;intermittentcutting;continuouscutting;constantnumberofteethcutting;variab...
