Prediction of Cutting Forces in Micro Milling of p-20 Steel by TiAln coated wc tool: An Analytical Approach

Keywords: Micro milling, Cutting forces, TiAlN coated tool, Analytical modelling, FEM. Nomenclature

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Keywords: Micro milling, Cutting forces, TiAlN coated tool, Analytical modelling, FEM. Nomenclature 𝑑𝐹 𝑡 , 𝑑𝐹 𝑛 : Force components in tangential and normal direction(N), respectively ploughing/rubbing coefficient in tangential and normal direction, respectively (N/mm) 𝐾 𝑡𝑐 , 𝑘 𝑛𝑐 : shearing coefficient in tangential and normal direction, respectively (N/mm 2 ) 𝜃: Immersion or rotational angle of the cutter (degree) 𝑓 𝑡 : feed (mm/tooth) 𝛿: Lag angle (degree) 𝜂 : Helix angle (degree) 𝑤: Angular velocity (radian/sec) 𝑟: cutter radius (mm) 𝐸: Elastic recovery rate 𝑁: Number of teeth 𝜀: Plastic strain 𝑍: Axial depth of cut (mm) 𝜀̇: Strain rate ℎ(𝜃): Instantaneous UCT (mm) 𝜀 0 ̇ : Reference strain rate 2 Download 1.01 Mb. Share with your friends: