Micro-milling is largely studied in the literature and quite well modelled. However, there are some issues inherent to micro-milling process such as chatter or tool deflection that are influent on cutting forces as well as cutting mechanism. To overcome those problem, the best solution is to experiment orthogonal or oblique micro-cutting and related micro-milling conditions to study cutting mechanism and dynamical issues independently. This paper aims to verify a micro-cutting model applied to micro-milling based on experimental orthogonal cutting results. The experimental approach is based on turning a tube to be in orthogonal cutting conditions without dynamical considerations to identify cutting parameters and micro-milling experiments to identify dynamical parameters, such as tool run-out and deflexion. The results show a good agreement between model and experiments and give promising prospects.