该模型对于表达产品装配模型的层次信息、装配关系信息以及特征属性信息等提供了良好的信息支持。
This modeling provides good information supports for expressing the information of product assembly model levels, assembly relations and features.
分析了现有装配序列规划方法和装配序列表达模型的缺陷，提出了一种合理的装配工艺APS树模型，并用这种模型表达非线性的装配序列。
To express nonlinear assembly sequences, an assembly process APS-tree model was proposed after analyzing disadvantages of the existing planning methods and expressions of assembly sequence.
集成分层次的零件信息模型、装配模型及机构模型，建立面向数字化样机的产品信息基本模型表达。
A basic information model for digital mock-up is produced by integration of hierarchical part information, assembly model and mechanism model.
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