The NX Open for.NET, a secondary development toolkit provided by UGNX, developed a standard parts library management system. The system integrates with UGNX software to provide designers with a unified interface to guide users in the form of design wizards. The user only needs to select the standard part type and setting parameters on the interface to generate the corresponding model.
The system consists of three modules. The standard part library system overall function standard parts model library: is the basic library of the system, providing three-dimensional parametric models of national standard parts, such as fasteners, transmission parts, etc., to meet the needs of general enterprises. In the model library, we use KRX files (transaction characterization files), JPG files, BMP files, and prt files (NX 3D parametric model files) to represent standard parts.
Standard part calling module: Design engineer for the enterprise. When engineers design products, whether in NX modeling or assembly environment, you can use the wizard provided by the system to generate the required 3D model of the component after selecting the standard component type and setting parameters. Standard Component Expansion Module: For system administrators. Using this system, administrators can create new standard part types in the standard parts library, generate standard part models through interaction and establish PartFamily, and automatically generate XML files (krx files) that describe the main specifications.
Key technologies: 1 Standard parts classification storage and representation This paper establishes a folder according to the classification relationship of standard parts, and forms a classification tree according to the directory membership of the folder. This avoids more complex database relationship definitions and simplifies the way categorization is expressed. When the program is initialized, it searches for the directory where the standard parts library is located, and automatically generates a classification tree to present to the user according to the parent-child relationship of the directory. From the directory structure, it is easy to find the required standard parts according to the classification. 2Standard parts The main dimensions and dimensions of the 3D model of the component to be fully constrained require a considerable number of parameters, such as size parameters, geometric constraints. Generally, a common component can reach more than ten parameters to achieve full participation, more than one hundred, and the rolling bearing model has more than twenty expressions.
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CAS No: 109945-04-2
EC No. 304-811-3
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