Direct numerical control as influent factor on productivity

Development of machine tools and need for simultaneous control of couple machine tools in production system have effect to develop Direct Numerical Control (DNC). DNC system generates efficiency, greater degree of automation transfer process and automatic defining operative data lead at greater degree of machine utilization and reducing of personnel for serving the machines. Reduces number of malfunction as result of nothingness control program (NC code) or error in program, its reduce costs because machines are in constant work and enable ordinary survey of tool, machines and production condition (Real Time Control). DNC advantages regarding NC system come on manipulation of big NC programs for production complex parts on machining centers with automatic tool and part changes. In this paper DNC system is described, his advantages and disadvantages and modern methods of integration system in one unit.