基于OpenGL的數控仿真三維圖形的研究：數控加工過程由數控程序控制，但數控程序的錯誤往往不容易被發現。從而在實際加工中可能出現碰撞干涉等問題。通過數控仿真軟件可以在制造之前在計算機中模擬加工過程，發現可能出現的碰撞、干涉，零件的可加工性及工藝的合理性等。而在虛擬加工環境下，三維圖形處理是其核心的技術問題。本文以三維圖形軟件標準OpenGL 為工具，探討數控仿真系統中三維圖形的處理方法。
Abstract：The process of Computer Numerical Control (CNC) machining is controlled by the
program of CNC, but the faults of the program of CNC is often difficult to be found. So there are
possibly many problems, like collision, interference and so on in the real machining. We can
simulate machining process by the software of CNC simulator in computer before the real
machining, then find possible collision, interference, the machinability of parts and the
reasonability of process, and so on. The process of 3 dimension graphics is a main technical
problem. This paper mainly discuss the process of 3 D graphics by VC++ and OpenGL.
關鍵字： 數控加工 系統仿真 三維圖形 OpenGL
key words： CNC machining system simulation 3 D graphics OpenGL