In designing for the LAN of workshop, the paper introduce B/S model. Then it constructs three layers frame in DNC workstation according as this model and deeply discusses the key technique.

• 在车间局域网的DNC系统设计中，采用了B/S网络通信模式，然后依据此模式构建了DNC工作站的三层体系结构，并对其中的关键技术进行了深入的探讨；