The Modeling of Cutting Force in High-speed Milling for End Mill

¹ Department of Mechanical Engineering, Hunan Institute of Engineering, Xiangtan, China, 411101
² School of Mechanical Engineering, Xiangtan University, Xiangtan, China, 411101

^* E-mail: 383174624@qq.com

Received: 2 July 2014 /Accepted: 4 August 2014 /Published: 31 August 2014

Abstract: Aiming at the varying cutting features of depth and thickness in high-speed milling, using mathematical methods to model the theoretical three-dimensional model of calculating cutting forces. First of all, according to the oblique cutting model, a cutting force model of flank edge was presented. The differential method was used in this process. The model was approached with calculating instantaneous chip thickness. Secondly, the bottom of cutting edge for differential along the vertical direction of cutting edges according to the orthogonal cutting model, calculating cutting force of infinitesimal. The cutting force model of cutting edge bottom was constructed by integral method. Merging the both upon, then the three-dimensional cutting force model is established. In the end, the model was programmed by means of the software Matlab. The result indicates that the numerical results agree well with experimental data, the maximum error values between simulation and measurement is 7.5 %.

Keywords: High-speed end mill, Cutting force, Model, Oblique cutting, Matlab.

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