齿轮传动是应用最为广泛的一种传动，其主要特点为效率高、结构紧凑、工作可靠、寿命长和传动比稳定等优点。而传统的设计方法繁琐并不精确，将优化设计应用到齿轮传动设计上有效地解决了上述问题- Gear transmission is most widely used a transmission, its main characteristics for high efficiency and compact structure, reliable working, long service life