The numerical controlling simulation of process indicates a mapping of NC machine tool in the virtual environment, and it includes the technique of manufacture, the theories of NC machine tool, CAD, CAM, and the technique of modeling and simulating.

• 数控加工仿真是指数控机床在虚拟环境中的映射，它集制造技术、机床数控理论，计算机辅助设计(CAD)、计算机辅助制造(CAM)、建模与仿真技术于一体。