CNC machining in many important neighbors such as aerospace car molds! The field is widely used in the use of CNC machine tools. Numerical control programming is a very important task. The quality of programming directly determines the processing quality of the product. The factors affecting the quality of programming mainly include the determination of the processing parameters, the selection of the tool parameters, the processing of the roots and the detection of the overcutting accuracy. Wait. Therefore, it is usually necessary to verify the correctness of the NC machining program before the formal CNC machining.
The traditional inspection method is the trial cutting method, which is the trial cutting of the actual blank sample of the part. This trial cutting method is time consuming. Especially in the process of numerical control teaching and training, beginner CNC programmers need a lot of programming exercises. It is obviously unreasonable to use the trial cutting method to verify the numerical control plus 1 program. It is also difficult to achieve = such as the use of imitation technology.
These can be easily solved. This avoids artifacts caused by human error or unreasonable process during the compilation. The CNC machine tool simulation system also discusses the operation and editing of the dozens of pull machine tools. In this way, it is possible to avoid the damage of the expensive CNC machine tool caused by the murderous operation, and to enable the operator to have a sense of presence and reality during the operation of the simulated CNC machine tool. To this end, it is necessary to develop a system that can debug and simulate the NC machining program. The system completely simulates the cutting process of the part and can verify that the NC command is correct. It should also provide debugging editing with a set of functions. Functions such as modification and tracking execution are considered in view of the requirements of 1. We have developed a dimensional dynamic simulation system for the CNC boring process.
1 system function and module introduction The main functions of the system include the simulation environment construction function; the numerical control instruction definition function, the code editing and modification debugging function and the real display function of the tool cutting. The main function modules are described below.
1 simulation environment is constructed this way. Only the different types of the operating system panel are introduced. Referring to the control panel of a teaching type CNC milling machine, combined with the characteristics of the computer, several basic components of the operation panel, such as the input page menu button input box, are constructed. According to the object-oriented design idea, using the ten + language programming, the common operations of the CNC machine tool are summarized as basic events, such as pressing a button, the event may be a start pause, etc., and the event of a page may be setting the zero point. Offset, it is also possible to set the tool radius and length compensation function, or set the interpretation and analysis mainly to analyze the structure of the program, the registration of the scanning program 3 dynamic cutting of the tool cutting and the interference detection function for the dynamic simulation function of the tool cutting The K-shaped animation realistically produces dynamic simulation effects of tool machining. In the dynamic simulation environment, we created a workpiece blank library and a tool magazine, which can be called as needed, and the workpiece is automatically clamped to the workbench.
The system is simulated in the middle, the machining instruction is read from the tool path data of the 0 code file, and the algorithm and main data structure of the simulation display of the milling path are realized by the filling method. The design process method is briefly described below.
First create a new workspace in the 0++ environment. Create a single text based on scare 0 in the new workspace. And let the class of the original class be 1 胗 above, that is, the last step of the voicing step selects 1 parameter.
This single document text will become the framework and background of the software. The size setting and positioning of all the following dialog controls will be based on the text box of this single document text. In the process of creating single document text. If you choose the parameter, when. The document description provides a standard menu and a standard toolbar. In this site, delete entries that are not related to the development system, and add entries that are appropriate for the system needs.
Second. Establish the control panel of the system = create a dialog box class that must be used as the control panel of the CNC boring machine in the blood plate. When the position planning is added to the button position and other controls, call the bit function to click on a button to make the bit above it. Produces a rotation effect. It is not modal when you create an instance of a class. Non-modalized proxy parameters.
The editing and debugging function code of 2NC code is as follows and then the automatic destruction function is added to the dialog box. This function is in the general function>. In the statement 14 to do 1 to complete the software. Adjust the position of the panel. Make it appear below the screen.
After the completion of the panel 2.
The 12 system control panel then creates a non-modal dialog class and adds a edit box control to the dialog. 8. This dialog will serve as a text editor that allows the user to perform CNC machining on this form. The program's input editing and other series of work. Add a drop-down menu to this dialog to implement these features. When the instance of this dialog box is specified, it is de-populated, and the non-modalization uses the statement of the mountain 1 to realize the shape of the dialog box after the completion.
3 Conclusion The CNC milling process dynamic simulation system developed by the conclusion can fully simulate the cutting process of the part, verify the correctness of the NC command, and provide a full set of functions such as debugging, editing, editing and tracking execution. The system is capable of detecting interference and collisions that may occur during processing. The development of the dynamic simulation system of the CNC milling process has great practical value, which can not only improve production efficiency, but also avoid human error. It can also promote and promote the mutual penetration and development of related science-related technologies, and simulate Kunguo mechanical engineering. 19989528313 Zheng Shengyu, Gui Guisheng virtual CNC machining process research. Combined machine tools and automated machining technology. 2000120214 Luo Feng. Deng Jianhua based on the 1 sen loan flight control system simulation 1 computer simulation. 200017345485 He Qi. Li Wei. Zheng Nan 9. The simulation and simulation of the robot simulation system. Engineering design, long time and automation. 199761822 is set up as a mountain pith, Qiu Zhongpan, etc. translated 10 6 from entry to the master of Beijing Electronic Industry Press, 1999 author brief introduction Zhang Liang. male. 19 Cambodian students. Professor of the Vice President of the Mechanical Engineering and College of the University of China. Zhejiang University's Production Engineering Research Institute is a Ph.D. student, mainly engaged in research and development of numerical control technology vibration control. In recent years, more than 40 academic papers have been published. 2 provincial and ministerial awards, 2 awards, 2, the cabinet 3 editing window finally created a dialog class similar to 3, without adding any controls on this dialog box to leave a blank panel as a platform for animation.
So far the framework of the system has been established = then the record interface 4. The next task is to add function code to the panel controls. This is the focus and difficulty of the entire design. Because Jia, the operating platform is based on the message mechanism to transfer information, because on the 168th page 3 Wang Youyuan and other agile manufacturing environment 0 system explores the manufacturing automation automatically, 1999 4 Zhao Shiguang and other integrated environment management system. Mechanical Science and Division, Ph.D. The main research direction is, Xian, people, CNC technology, this establishes the organization of each message function, so that it can coordinate the work is the design of Jf, t receiving time 20010409
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