CAD exploration and application of plastic pouring device

The effect of the system is known. The casting system consists of 4 parts, and the design of 3 parts is also possible with 2 or more possibilities. In response to this situation, the system design uses the switch key control (Tab) or combo box control (Optionmenu) in the Pro/Toolkit to achieve a variety of options. The switch key control can display different contents when different switch keys are selected, but each switch content can be independent of each other; and the plurality of options of the combo box control only display one item, which can save interface space and can realize sequential operation. . The gating system satisfies the design of each part and requires independent implementation. For this purpose, the switching key control and the layout type control are combined to realize the design of each part. A variety of possible options in each subsection can be implemented using a combo box control. An important factor influencing smooth filling is the gating system, and the most important in the gating system is the gate design. Taking the design of the gate as an example, to understand the pouring system of the system, in order to save the interface space, the design of the 10 gates is sequential design.

The design drawing section is one of the most critical parts of the program, in which the program code is written to implement the drawing function. When the user clicks the drawing command, the dialog box asks for the number of blades and the value of d0. After selecting the blade and the workpiece material, the design wizard dialog box is entered. In the wizard dialog box, the user has to input or select the required parameters. For any operation, the system will select the default value of the relevant parameter according to the file diameter d0 and material input in front of the user. After the input is completed, it is judged by entering the system to judge whether the parameter input by the user satisfies the design condition described above, and if the condition is satisfied, the drawing is performed, otherwise an error message is given and a re-drawing is required. The program in the drawing section includes calculation and drawing of lines, circles, hatching lines, dimensions, and the like. In order to make the structure of the program clear and reduce unnecessary repetitive work, this part of the program code is compiled in a common module, and this part of the program is called through the form event. The management part is mainly the management of the parameter library.

Conclusion Using AutoCAD object-oriented, and with VB's event-driven programming mechanism, visual design tools, you can quickly and efficiently produce powerful and easy-to-expand application software systems. Through the development and application of the software, the design process of the deep hole tool is realized by computer, which makes the design process parameterized, modular and easy to understand, which not only greatly improves the efficiency, but also avoids and reduces the error in the design.