Establishment and experimental study of a wear prediction model of micro milling toolin consideration of the size effect
MENG Jie1,CHEN Xiao’an2,LV Zhongliang1,LI Xiang1
1.College of Mechanical and Power Engineering,Chongqing University of Science and Technology,Chongqing 401331,China;
2.State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044,China
Tool wear is one of the important factors that affect the micro milling process.Combining the constitutive model and Usui tool wear model,and considering the size effect during micro machining,a new tool wear prediction model was proposed.The relevant parameters of the prediction model for the micro milling of carbon steel workpieces by tungsten carbide tools were determined by the finite element simulation and physical experiment,which were then verified by further experiments.In order to observe and predict the tool wear more apparently,the prediction model was applied yet to a micro milling process simulation,so as to obtain the tool wear and its geometrical shape at any time in the proccss.The study provides a new method for studying the tool wear during micro milling.
孟杰1，陈小安2，吕中亮1，李翔1. 基于尺寸效应的微径铣刀磨损预测模型的建立与实验研究[J]. 振动与冲击, 2017, 36(6): 229-234.
MENG Jie1,CHEN Xiao’an2,LV Zhongliang1,LI Xiang1. Establishment and experimental study of a wear prediction model of micro milling toolin consideration of the size effect. JOURNAL OF VIBRATION AND SHOCK, 2017, 36(6): 229-234.
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