The closed planetary gear drive mechanism can achieve a high transmission ratio and a high efficiency in transmitting large power with small volume, light weight and compacted structure.
闭式行星传动可在体积小、重量轻和结构紧凑的条件下实现大传动比，高效率地传递大动力。
2
It is of compact structure, light weight, transmission balance, low noise, high efficiency and strong capability, because the reducer adopts turbine worm single reduction gear.