Application of Grey System Theory in Optimizing the Measuring Points of Thermal Erron on Machine Tools

Aimed at the influence of temperature field distribution of machine tool on the thermal error medeling,the optimizing points of thermal sensors using the grey correlation model of grey system theory was studied.The thermal error model was established through only four key temperature measuring points from the original 16 points,which can analyze the thermal error of machine tool easily and increase the robustness of thermal error modeling.