On the basis of presentation of the technologies of virtual reality (VR) and virtual assembly, this paper mainly discusses the method of product tolerance analysis in a VR environment, and the application perspective of the technique.

• 在阐述虚拟现实与虚拟装配技术内涵的基础上,重点论述了如何在虚拟现实环境下实现产品公差分析的方法以及对该技术应用前景的展望。