| During the process of NC, it is easy to make mistake and occupy too much time by using manual programming when face with complicated parts. It is a trend for CAD/CAM Integrated Programming system, Currently in our courtry there are two ways this system: ( 1 ) found a integrated information model, products can exchange and use the same address during the whole process, but this kind of system is not so popular. (2) expand CAM function by second developing based on CAD. Today there are some systems which have CAD/CAM function, such as PRO/E, I-DEAS, MasterCAM, Cimatron, UG, etc. however these require high qualified hardware and cost a large mount of money, some users can not afford. Because of the widely using of AutoCAD, and for a long time it will remain the leading position, as a result it is necessary to expand CAM function based on AutoCAD.An Automatic Programming System of NC Miller Based on AutoCAD&ObjectARX is discussed in this article, and aiming at 9702CNC Lathe system and XK714CNC Milling system. Using Polyline as tool path is mainly introduced, and the OOP method is used in developing this system, realize the mutual programming system of lathe from CAD to CAM directly. And path simulation is described, and the implement of simulation module is discussed in detail on the base of NC automatic programming, realize the visual mutual programming of lathe simulation.Meanwhile, based on NCCODE (NC Lathe Automatically Programming System), the help file is developed by using the software of Word and Help Workshop, this file has the standard Windows style, and it is linked by the technology of AutoCAD customization.The research of this subject provides a good way to develop three dimension modules, and it is the base of forth developing of AutoCAD. |
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