In this paper, the structure of hardware and software of the DNC system based on mould CAD/CAM, CNC and LAN (local area network) are investigated.A scheme of integrated DNC system is introduced.

• 本文以模具CAD／CAM、计算机数字控制、局域网等技术为基础，从数控系统组成结构、网络通信及CAD／CAM系统集成等方面详细研究DNC系统软硬件结构，提出一套DNC系统集成方案。