エンドミル加工の切削抵抗見積もり手法の開発第1報 : スクエアエンドミルの場合

概要

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This paper deals with a cutting force setimation in end milling applies to 3-E shape like dies and molds. When carrying high speed end milling of hard metal materials, the sudden change of cutting force incurs shortening tool life and gives a fatal damage to machine tools. For efficient high speed end milling, it is required that the CAM or NC equips the database and simulating function for high speed cutting. In order to work the simulation of high speed end milling, simple and fast cutting force estimation is needed. I suggested a new cutting force estimation method applied to square end mills using end and side edges. This method approximates the removed volume of workpiee to a triangle pillar. The end and side edge cuts the pillar in 2-dimensional cutting operation, and cutting force is computed by using Kronenberg7s formula. The estimated cutting force becomes maximum immediately after engage point, and decreases slowly toward to disengate. This is similar to experimental results of cutting force in end milling, on some research reports.
福島工業高等専門学校の論文
2005-01-28