中文摘要：

以椭球形喷嘴的椭球面加工为例，首先，采用逼近圆方法，利用手工编程进行加工；其次，通过Mastercam软件自动生成数控程序；最后，利用数控车床自身循环指令简化程序，进行数控加工。并比较每种方法的优缺点，优选出最好的加工方法。

英文摘要：

This paper studies on processing ellipsoid surface of the ellipsoid shape spray. Firstly, the program of numerical control has been compiled by manual-programming that adopted the method of imminent circle. Secondly, the program could be automatically created by the software of Mastercam. Lastly, the program of numerical control has been compiled by loop instruction of the numerical control lathe. The best method has been chosen by the comparison of the advantages and disadvantages of each method.