Most of the software implements parameterization, so that the geometry automatically modifies the graph as its structural data is adjusted. Since there is no parameterization and size-driven functionality, parametric design requires language programming. The user simply selects the component to be designed from the main dialog and then enters the desired geometry in the component auto-design dialog, allowing the computer to automate the design.
Applications include the writing of drawing programs and the writing of main functions and parameterized processing functions. The drawing program is written: the drawing function is defined by drawing the drawing function, and the function can be used to define a new function or command. The definition function must have at least three parts: the first definition function name; the parameter list after the second function (which can also be an empty table); and the third drawing control part. The main function and the parameterization processing function are written: In order to call and activate the user dialog program, the dialog driver function must be used to operate the various controls in the dialog box to realize the input and processing of the parameters. , then call the written drawing function to draw the graphics.
The design idea of ​​the system is: the application control program calls the main menu interface of the die standard design system. Through the graphical interface, the user can select the standard components, and the system pops up the corresponding design dialog box according to different user choices. After inputting the parameters, the system automatically draws the standard part drawing of the die required by the user. The insertion point of the shape is generally the bottom point on the center line of the graph, and if there is a top view, it is the geometric center point of the top view. The parametric design operation of other standard parts is the same.
Parametric programming is applied to realize the parametric design of the punching standard parts, and the stamping standard parts can be quickly generated, which greatly improves the design efficiency. In practical applications, it is also possible to expand the range of standard parts on the basis of existing systems according to the company's factory standards to meet the broader design needs of enterprises. In addition, the design method of the system is simple and practical, and the requirements for developers are low, and can be extended to the development of other standard systems, such as the parametric design of the standard mold frame of the injection mold, the parametric design of the ordinary casting system of the injection mold, etc. .
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