Since the beginning of the 1990s the business environment of manufacturing industries has changed permanently. A majority of production systems have a lean, cost-effective and process-oriented structure. But this is still not enough for being successful in the long-term. The key factor for meeting challenges of a global market is the changeability of production systems. Instead of their recurring re-planning and rescheduling, they should be designed changeable right from the beginning of the planning phase. Time data is an important calculation and planning basis for this. In this paper we present a concept for dynamic time data management in planning and designing changeable production systems.
