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Application of DCOM Distributed Component Design Technology DCOM Distributed Component Design Technology is a method suitable for mechanical CAD software development. DCOM component is a distributed software management framework defined by API. It has good communication capability and scalability. The DCOM component is used to design the transmission gear, which makes the development of system software clear and clear, and is relatively independent of computer hardware. And operating system platform.
After the database technology system determines all the structural parameters of the gear, the design calculation result is transmitted to the 3D modeling module and the engineering module, and the drive size library is created on the SolidWorks platform, and based on the size, tolerance and roughness parameters of the size library. Generate 3D models and engineering of gears. At the same time, the user also provides a parameter dynamic modification component module. The module directly manipulates the data in the size library by using the API interface function, and can locally adjust the design result according to the actual needs of the user and reconstruct the shape setting to modify the data value of the tip circle diameter. The new tooth tip diameter data reconstruction shape also combines all the data modification items into one data package and sends them to the client program, and updates the design result list in real time to ensure the consistency of the 3D model, engineering and parameter list files.
The whole design calculation process of the gear needs to deal with a large number of grids. The processing of the number and curve directly affects the design calculation accuracy of the gear transmission. The system uses the search and retrieval method and the line analysis method for processing. The search method first converts the data grid into a data structure and stores it in a database, such as standard modulus and gear materials and their gear characteristics. Data retrieval is performed through high-performance data manipulation components ADO and SQL structured query language.
The running example enters the basic parameters required for the design according to the prompts of the client user. After the design calculation is performed through the middle layer, the structural parameter design result is returned, and the system converts it into a data format compatible with the engineering database in SolidWorks, and then selects according to the user. Different gear structural features (such as orifice plate type) automatically generate corresponding gear solid shapes.
2, 3 respectively, the three-dimensional model automatically generated by the worm and worm gear pair and bevel gear pair in the SolidWorks software. The bevel gear sub-model adopts this system, the user can realize remote design and intuitively evaluate the three-dimensional model from different perspectives, and can call the modification module for further correction to meet their own design intentions, and replace the data modification item data in the engineering database. Simulation, analysis and optimization of the product model, in the design stage, the design of the parts or even the whole machine can carry out tasks such as three-dimensional virtual design, manufacturability analysis, machining process simulation and product assembly simulation. The manufacturability and final performance of the designed product can be predicted with a high degree of confidence in the product design phase.