In this model, Global Part Information is built, designing and manufacturing process of parts is divided into some Application Domains. Features Mapping transfers information in Application Domains.

• 模型首先建立全局零件信息，将零件信息按照不同类别组织成不具有应用意图的信息模型，将钣金零件的设计制造过程按照实际应用的不同分为多个应用领域，通过映射实现从全局零件信息到应用领域的信息转换。