Key Technology Research on Intelligent CAPP System Based on PDM

The multi-level parts feature information modeling and process feature information modeling were proposed to realize the integration of CAD / CAPP based on PDM framework, which was built on the analysis for the processing characteristics of shaft parts of printing press. By developing automatic sequencing expert system for the shaft parts of printing press, the dynamic model of manufacturing resource and the model of step parameters, the automatic calculation of process parameters and intelligent process planning based on feature was achieved.