After analyzing the main contents of DFA,the paper presents an integrated product information model based on the analyses and evaluation of product assemblability in order to provide designers a friendly environment and DFA designing tools.

• 面向装配设计(DFA)的建模技术是并行工程的关键技术之一；在分析DFA主要内容的基础上；为了对设计者提供一个友善的集成化DFA分析环境和工具；提出了一种适合于对产品可装配性进行分析和评价的集成化的产品信息模型.