As the world-famous, powerful and the most representative CAM software technology, UG has the most abundant processing strategy of the NC processing, design, programming software. Taking a general hole CNC processing technology as an example, UG programming operation skills and programming operation process are discussed, processing function of the point-to-point operation is used to complete general hole processing. Through UG – CAM, NC machining program is generated into simulation system for processing simulation, and eventually NC simulation processing and NC program are generated.

Post-processing technology is the key to CNC automatic programming technology and an important module of the CAD / CAM system. Post-processing technology converts the NC program that is produced by the CNC automatic programming tool into the file that can be identified by CNC system. Moreover, the generated tool path files must match with the CNC system. Post-processing techniques and UG software are briefly introduced. Using them, a post-processor for FANUC CNC systems is created. The program that generated by the special processor is contrasted with the general processor. The results illustrate that using the dedicated post-processor in engineering applications can improve programming efficiency and processing reliability.

This paper has introduced the method how to establish a model for the virtual prototype of new type folding-arm gondola CD 250 based on the ADAMS technology, then to do analyses and inspection for the built virtual prototype, and to combine the test results with the traditional DOF calculation to sum up the feasible calculation method for DOF, finally, further verify the rationality of the model, which provides the necessary foundation for subsequently utilizing the virtual prototype technology to analyze the working condition of the gondola.