A large number of standard parts (such as guiding guide posts, guide bushings, guide plates, positioning positioning plates, positioning pins, etc.) used in the drawing die, trimming punching die and flanging die of the automobile cover are assembled into The method of the library is: firstly, in the Part module of the Pro/E software, they are respectively drawn into a three-dimensional solid model in the form of a part, namely Generic; then enter the FamilyTable module, and select the main feature size in the drawn basic model as Variables, if needed, can also set parameters and establish relationships between them. In this way, the parameterization of the basic model is actually completed; after that, the Edit module is entered, and the family member table of the part is created in the editor Pro/Table. After all the necessary parameters and variables are assigned, the model file of the PTD format can be formed, thereby realizing the serialization of the data model and completing the establishment of the standard component three-dimensional graphics library.
In actual production, due to the influence of traditional design and some unavoidable realities, it is necessary to include a module that can convert the generated 3D model into a traditional 2D engineering drawing in the developed standard parts library and its management system. This is also an important part of the current situation that enables the development of systems to be quickly applied to the enterprise.
Since the Pro/E software itself has strong 2D modeling and the function of transforming from 3D graphics to 2D graphics, the establishment of 2D engineering graphics library still adopts the method of secondary development with Pro/E software as the platform. The 3D solid figure of the standard part is introduced into the Drawing module. After obtaining the 2D engineering drawing of the part, according to the characteristics of each part, the layout of the three views can be adjusted accordingly, the sectional view is added, and various sizes are modified. Make the expression of the drawing clearer. Finally, fill in the corresponding data in the generated detail column, you can get a complete 2D engineering drawing of the standard part, so that all the 3D models of the standard parts generate corresponding three views, then the standard part 2 is obtained. Dimension engineering graphics library.
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