Research on intelligent CAPP system based on PDM

A practical model that describes the part multi-layer feature information and process feature information is proposed for analyzing the characteristics of process planning of small spindle parts machined in automatic machine. A CAD/CAPP system based on PDM is realized. An expert system for automatic sorting of working procedure and step is developed. Also the dynamic manufacturing resources management model is given for cutting parameters retrieval model, the dynamic decision-making of feature-based process routing and automatic calculation of process parameters.