Kaiserdrive KGU-40D Harmonic Integrated Joint Module (557 N·m rated)
Jiangsu Kaiserdrive (subsidiary of Leaderdrive Harmonic Drive, STAR-688017) KGU robot joint module, model KGU-40D: 557 N·m rated / 762 N·m max torque, 18/26 rpm rated/max speed, 1100 W rated power, 48VDC, ratio 1/121. Integrated harmonic reducer + frameless torque motor + built-in EtherCAT/CANopen servo driver + dual 20-bit single-turn absolute encoders (BiSS-C), 50 arcsec positioning / 10 arcsec repeatability, Φ23mm hollow shaft, Φ170×139mm envelope, only 7.9kg, optional power-off holding brake. For lightweight humanoid-arm joints (payload/weight ratio near 1:1); smallest joint under 350g.
COMPONENT
Joint modulesIntegrated jointsKaiserdriveLeaderdriveHumanoid robot joints