‌PH Series Mechanical Arm Hollow Harmonic Servo Motor-Robot Joint Module

With the rapid development of the humanoid robot industry, global enterprises are advancing their humanoid robots toward greater intelligence, integrating multimodal perception and decision-making capabilities driven by AI large models.

All joint modules have achieved large-scale mass production and are widely deployed in industrial automation, bionic robotics, human-robot collaborative robotic arms, sports rehabilitation medical devices, and other fields.

Product Parameters

Model                PH08         PH11          PH14              PH17              PH20              PH25
Motor Type                Inner Rotor Torque Motor
Diameter           40mm        52mm        70mm            80mm            90mm           110mm
Middle Inner Diameter    4.6mm    6mm    14mm    14mm           18mm                18mm
Weight               188g         495g          1108g              1350g           1991g             3098g
Reverse Backlash              15arcsec            
Noise                       <70db            
Temperature Range              -20~80℃            
Working Voltage       24v-36v    24v-48v        
Rated Power     35w            120w              120w          200w              250w          500w

Ratio                  51  101       51 101      51 101          81 121               81 121           81 121

Rated Speed    60rpm30rpm  60rpm30rpm  60rpm30rpm 60rpm30rpm 38rpm25rpm    38rpm 25rpm

Rated Torque  1.0nm 1.6nm 6.6nm 8.6nm  18nm 22nm  30nm 38nm  52nm78nm    96nm 144nm

Peak Torque    2.2nm 3.5nm  12nm 16nm   38nm 45nm    52nm 66nm    104nm 156nm    206nm 220nm

Encoder Accuracy    19bit            

Encoder Form    Dual Magnetic Encoder            
Optional    Electromagnetic Brake    Drop-out Brake