Hollow Planetary Actuator

Ultra-large hollow passage

A hollow planetary transmission with the sun gear removed, providing an ultra-large central passage for power and control cables in heavy-duty robots, eliminating external cable routing.

Cheng, Yang · Lu, Kun · Pan, Hongtao · Cheng, Yong · Sun, Yongjun · Han, Hao · Wanjin, Zhang · Hu, Youmin · Hongbin, Huang · Haoyin, Wang · Liming, Guo

IEEE/ASME Transactions on Mechatronics 2025

Specifications

输出扭矩

{'zh': '139', 'en': ''} kN·m

弹性回差

{'zh': '4.86', 'en': ''} arcmin

传动效率高

{'zh': '58.0', 'en': ''} %

Advantages

Transmission ratio as high as 13,806:1