The development of an integrated CAPP/ NC programming system in FMS is described. The system is made up of a generative CAPP and NC auto-programming system and the interface between them. A feature-based method is used for parts description to build up a consistent model for information on parts under an integrated environment.The CAPP system is provided for the generation of process plans of parts. In the NC programming system, a set of standard NC programs of features are built into a NC program library. ...