Carbon fiber composite materials (CFRP) are difficult to machine due to their anisotropy. PCD tools are widely used in CFRP drilling, and changes in axial force affect the quality of drilling. This article uses a combination of experimental and finite element techniques to study the axial force of PCD tool drilling CFRP. Through experiments, the minimum value of axial force under cutting parameters of 6500rpm spindle speed and 120mm/min feed rate is 124.1N; Based on Deform-3D, a constitutive model of the material was established, and the maximum axial force and torque values were obtained when the PCD tool was about to drill out the CFRP plate. The correctness of the finite element model was verified through experimental data.
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Tong et al. (2024) studied this question.
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