Design of the Gear Database Based on UG Secondary Development

This paper, based on Unigraphics NX6.0, made use of UG’s strong parametric modelling technology and secondary development module of UG/OPEN API, used the technology of ADO to achieve technical applications and databases interface, and integrated with database and MFC, to develop a gear CAD library system ,and achieve the aim of parameterization modelling and data management of gears.