Consistency of contours (see), through assembly inspection and machining simulation, inspection of design and manufacturing errors, to obtain a complete and correct final model, in parallel with mold manufacturing and reverse modeling. Using computer network technology, the CNC program is sent directly to the enterprise via e-mail, which greatly shortens the manufacturing cycle. The completion time of a motorcycle cover mold is shortened by 1/4 compared with the past, which improves the production efficiency and enhances the market competitiveness of the enterprise.
Coordination Profile 1 Introduction The processing of standard parts in an injection mold CAD system is because, in the injection mold, there are a large number of standard parts such as screws, pins, and the like. Others are standard parts unique to plastic molds, such as guide posts, guide sleeves, pull rods, sprue bushings, and ejector pins. Due to the large number of these components and the many structural forms, not only is drawing very cumbersome (1) the choice of standard part types. There are many standard parts in the injection mold. If they are classified according to the shape, they can be divided into rotary type and non-rotary type. The rotary type includes screws, pins, guide columns, guide sleeves, sprue sleeves, pull rods, ejector pins, etc. The rotary type includes a template, an ejection plate, and the like. In fact, in the injection mold, the non-rotating standard parts are basically rectangular pieces with a plurality of holes or cavities, etc., which form the formwork of the injection mold, and each of the standard mold bases has been given Non-rotating standard parts are not processed in the standard parts library. Thus, in the first layer dialog box, the user needs to select one of the required types of rotary standard components such as screws, pins, guide posts, guide sleeves, sprue bushings, pull rods, and rams. 2) Selection of standard parts. In the first layer dialog box, the user selects the required standard part type, and each type of standard part has a variety of different structural forms, such as the guide column can be divided into? Type, ò type, ó type, and? The type, the ò type and the ó type are respectively provided with the oil guiding groove and the oil guiding groove, so that the guiding column has six structural forms, and the guiding sleeve also has four structural forms. Therefore, after the selection of the standard part type, the selection of the standard part is also required. (3) Data input and drawing settings for standard parts. The third layer dialog box is the key to the standard parts library. The type and format of the selected standard parts are different, and the contents of the layer dialog box will be different. The layer dialog can be divided into five parts: the first part is the data input area. For standard parts, there are standard shapes and sizes. Models and sizes such as screws and pins are specified by the national standard. Guide pillars, guide sleeves, etc. are also specified by the corresponding department in the standard shape, size and recommended shape. size. However, since the mold structure is mainly determined according to the plastic product, it may not be suitable for the standard mold size for some mold structures, which requires some non-standard sizes. Therefore, in the data input area, standard or recommended sizes should be obtained from the data files or databases of the standard parts according to the key data, and the standard data can be modified according to the needs of the structure, that is, the required input is re-entered. The data, so as to meet the needs of standardization of parts, but also meet some special needs of the structure.
After completing the operation of the above three-layer dialog box, it is possible to generate a graphic of the standard part at a specified position in the drawing. The generation of the generated graphics of the standard parts pattern uses the parametric drawing method to establish a parametric drawing function of various types and various forms of standard parts. The data obtained from the dialog box is substituted into the drawing function to generate the required Standard piece graphics.
Work to develop a standard parts library (1) Create data files or databases of various types and various forms of standard parts to facilitate the extraction of standard data from key data. 2) Create a number of slide files. The images that appear in the standard parts library dialog are slide files, so slides of standard types of various types and various forms are created and stored in the standard slide library. (3) Create a dialog file. This standard parts library is mainly presented in the form of dialog boxes in front of the user. Whether the dialog box is beautiful, convenient and intuitive depends on the definition of the dialog box. Therefore, when creating the dialog file, the layout must be reasonable, the appearance is beautiful, and the use is convenient. Intuitive and clear as the principle. (4) Writing ObjectARX program is used to realize data input, standard data retrieval, interactive operation of dialog boxes, and generation of standard parts graphics. Among them, the program used to implement the interactive operation of the dialog box is very important, because even if the created dialog file is excellent, the dialog box is beautiful and intuitive, but if the dialog control program is not well written, the dialog box operation will not be very convenient.
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