We have used OpenGL and OOP technology to realize the main model of virtual NC lathe environment which include the model of the tool, tip, workpiece and the three-claw cartridge.

• 采用openGL图形开发平台和面向对象的技术，实现了虚拟数控车床环境的主要部件的建模，包括刀具、顶尖、工件、三爪卡盘等。