415 エンドミル加工の動的切削過程シミュレーション

概要

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Recent machine shops require surface without machining vibration in milling process. This study analyzes edge displacement with cutting force in milling process. Dynamic characteristics in milling process are measured by impulse response. Cutting force, then, can be simulated with chip flow direction. Milling process can be modeled as a pilling up of orthogonal cutting planes containing edge velocity and chip flow direction on divided cutting edges. Chip flow direction can be determined to minimize cutting energy, which is the sum of shear energy on shear plane and friction energy on rake face. Runge-Kutta-Gill scheme, a numerical analysis for solving differential equations, is applied to analyze edge displacement with cutting time. It is proved that simulation is effective in the comparison with the practical displacement of edge.
社団法人日本機械学会の論文
2002-11-19