对近年来提出的新型齿轮——分阶式双渐开线齿轮，建立了其齿廓形成的新型几何模型，进而提出了一种经济、简便的加工方法——正交双向联动变位法，并进行了计算机仿真加工试验；结果表明，提出的新方法是正确、可行的。其最大的特点就是利用常规齿轮滚刀实现其加工，从而大大降低了制造成本，缩短了制造周期。 In this paper, a new geometrical model of tooth profile-forming double-involute gear proposed in recent years is established, and an economical and simple processing method is proposed, Computer simulation experiments were carried out. The results show that the proposed new method is correct and feasible. Its greatest feature is the use of conventional gear hob to achieve its processing, thus greatly reducing manufacturing costs and shorten the manufacturing cycle.