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《Tool Engineering》 2011-03
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Milling Force Predicting Modelling and Numerical Simulation for Helical Tooth Cylindrical Milling Cutters(PartⅠ:Influence of Cutter Geometry Parameters on Milling Force)

Wang Qidong,Liu Zhanqiang,Tang Aimin,Zeng Tao Master,School of Mechanical Engineering,Shandong University,Jinan 250061,China  
Milling force has important effects on the deformation of cutters and work-piece,tool life and the machined surface quality.It is also the key basis for the calculation of cutting power,design and application of maching tools as well as cutting tools,holders and cutting process optimization.Cutting force has an immediate impact on the generation of cutting heat.Conservative processing conditions often decrease machining efficiency and raise production costs in the practical machining due to the lacking the accurate knowledge of cutting force.Hence,a reliable milling force predicting modeling has an important significance for predicting milling force,properly selecting cutting parameters,cutter geometry,optimizing the NC programs.This research includes two parts.Part I presents a mathematical model for predicting cutting force of cylindrical milling cutters.In this model,the shearing effect and ploughing effect separately yet simultaneously are presented,which improve the predicting accuracy.This study also deals with the effect of cutter geometry parameters such as helix angle and number of teeth on milling force.The model is validated through milling experiments of TC11 titanium alloy.The experimental results are coincident with the simulation ones well.
【Fund】: 高档数控机床与基础制造装备科技重大专项资助项目(2009ZX04014-043、2009ZX04012-031、2009ZX04012-012、2010ZX04017-012);; 国家科技支撑计划重点资助项目(2008BAF32B01);; 863计划资助项目(2008AA042405)
【CateGory Index】: TG714
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