【摘要】 介绍了数控加工过程中仿真显示技术，重点讨论了仿真技术中图像生成的扩展ｚ－Ｂｕｆｅｒ算法，介绍了该算法中使用的三角片的扫描转换算法和动画仿真显示方法．该算法动画显示速度快，对验证刀位轨迹具有实用价值更多还原

【Abstract】 The simulation display technology in the NC milling is introduced including the extend z buffer algorithm, the triangle piece scan transition algorithm, and simulation display technology. The algorithm is reliable, and the speed is high. It is useful for verifying the NC path.更多还原