CATIA Based 3D Product information Definition and Organization

摘要

It's a problem of how to correctly express the complex products riveted joint information on product drawing, but the appearance of MBD technology would change it and provide an effective solution. The connotation of MBD technology using the text parameter and the flag note to express product non-geometric information was briefly elaborated, and the specific methods to express and manage the riveted joint geometric and non-geometric information was put forward. Through the analysis on the different express way and condition, the three elements such as riveting hole position, fastener installation direction and rivet hole direction was conveyed to express riveted joint geometry definition information. The flag note was used to identify and classify different riveting features, while the text parameter to express non-instantiated fastener, punching requirements, fastener installation requirements, number of holes and other types of non-geometric information. Additional, the flag note number was used to classify and manage all the non-geometric information in the structure specification tree. This method was realized to completely express the complex riveted joint information in a 3D model more easily and intuitively.