The parameter driving method of components is different for some non-standard parts in different products. In order to achieve automatic assembly of 3D models of different models, it is necessary to parameterize the associated dimensions of each non-standard part in the product. In the system programming, the SolidWorks API function is used to extract the corresponding parameters from the database, and replace the corresponding size parameters of the original part model in the system part library with the correct size parameters.
The parameter driving method of the component will be described below by taking the spindle axial dimension L0 as an example. As the important non-standard part of the compressor, the main shaft length L0`, L1` in the reference model is known and stored in the database, ai is the impeller-level spacing, bi is the partition width, and c is the impeller abutment thickness. (As shown in 3), the calculation formula of L0 is as follows: (1) The parameters of the compressor spindle shaft length L0 drive L0 shaft length, L1 impeller pitch, ai impeller step spacing, bi diaphragm width, c impeller Abutment thickness.
Automatic assembly of the 3D model of the compressor body and generation of the corresponding 2D project After the necessary product design parameters selection and input are completed through the above main interface, the design system will extract the information of the required component model from the database according to the input parameters. The model is then called from the library for automatic assembly. No manual intervention is required during the assembly process. The system automatically adjusts the dimensions of the parts that do not meet the requirements according to the structural characteristics of the product, and finally obtains the three-dimensional model of the total assembly, stator and rotor of the compressor body. 3D assembly for the 2MCL450 compressor body that is automatically completed by the system. In addition, the 2D project of the product can be easily obtained by using the template that has been designed and developed by the system.
2MCL457 Compressor Rotor 1:1 2D Engineering System Automatically Generated 2MCL457 Compressor Stator 1:1 2D Engineering V. Conclusion 2 MCL Series Compressor Agile Design (a) Appearance (b) Automated Assembly of Sectional System The completed 2MCL457H682 compressor body 3D model system automatically generates the compressor body 1:1 two-dimensional engineering system, which is to provide designers with a correct, standard, and standardized compressor design concept, which enables designers to more intuitively discover Some design errors that 2D software cannot find.
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