Abstract: Aimed at the problems that the standard part library does not support heterogeneous CAD systems and the incompletion of the data information,a standard part library resource sharing framework based on cellular ontology was proposed. The cellular ontology model used Web Ontology Language (OWL) to develop the cellular ontology model. Using semantic mapping between legacy ontology and cellular ontology built the uniform representation of product model data, exchanged data information according to the cell, shielded the heterogeneity of information format, which implemented share of standard part library and real-time exchange of product model data among heterogeneous CAD systans. hhe applications in the synchronized collaborative design between Pro/E, UG and CATIA were also introduced to prove the feasibility of the theories above.

Key words: Standard part library, Cellular ontology, Heterogeneous CAD systems