摘要： 提出了利用VPN(虚拟专用网)构建网上制造系统的理论框架。通过PDM(产品数据管理)对异地制造资源进行远程管理和控制，建立面向产品的VMN(虚拟制造专用网)，实现产品异地设计与制造的协同工作；并着重研究了虚拟制造专用网中产品数据传输的安全性问题。

关键词: 产品数据管理, 虚拟制造专用网, 身份认证, 数据加密

Abstract: This thesis brings forward the theoretic framework of constructing manufacturing system in Web by using VPN. The system fulfills long-distance management and control of virtual manufacturing resources by using PDM, constructs the VMN for the products, and realizes collaboration of product designing and manufacturing. The article thoroughly researches the security of product data transportation in VMN.

中图分类号: 

• TN915.08