Jiu Guang Technology
DaMiao DM-JH17-101-2EC harmonic joint module: rated torque 24 N·m, peak 54 N·m, rated speed 20 rpm, 101:1. Dual 17-bit absolute encoders, ±0.03° accuracy, CAN @5Mbps. Ø80×70mm, 15mm hollow, ~985g. High-torque variant for humanoid knee/hip joints.
COMPONENT
DaMiao DM-JH17-51-2EC harmonic joint module: rated torque 16 N·m, peak 24 N·m, rated speed 40 rpm, 51:1. Dual 17-bit absolute encoders, ±0.03° accuracy, CAN @5Mbps. 24V supply, Ø80×70mm, 15mm hollow, ~985g. For humanoid shoulder/hip medium-load joints.
DaMiao DM-JH14-101-2EC harmonic joint module: rated torque 7.8 N·m, peak 28 N·m, rated speed 20 rpm, 101:1. Dual 17-bit absolute encoders, CAN @5Mbps. Ø70×70mm, 13mm hollow, ~775g. Higher torque density variant for demanding joints.
DaMiao DM-JH14-51-2EC harmonic joint module: rated torque 5.4 N·m, peak 18 N·m, rated speed 40 rpm, 51:1. Dual 17-bit absolute encoders, CAN @5Mbps. 24V supply, Ø70×70mm, 13mm hollow, ~775g. For humanoid elbow/shoulder medium-load joints.
DaMiao DM-JH11-101-2EC harmonic joint module: rated torque 4.8 N·m, peak 10.5 N·m, rated speed 20 rpm, 101:1. Dual 17-bit absolute encoders, CAN @5Mbps. Ø52×60mm, 8.5mm hollow, ~345g. Higher torque density variant for compact joints.
DaMiao DM-JH11-51-2EC harmonic joint module: rated torque 3.2 N·m, peak 7.8 N·m, rated speed 40 rpm, 51:1 ratio. Harmonic drive + BLDC + driver + dual 17-bit absolute encoders, CAN @5Mbps, UART. MIT/position/velocity/force-mix/CSP/CSV/CST modes. 24V supply (24-48V), Ø52×60mm, 8.5mm hollow, ~345g. Ultra-compact for humanoid wrists and dexterous hands.
Motorevo (Wuxi, est. 2020) positions itself as a universal next-gen integrated robot joint platform. REVO PA planetary series (7 models, RR-PA-70-1015 to 100-2020): 89.9-119 mm OD, 650-1950 g, 10-80 N·m continuous / 39-250 N·m peak torque, ratio 10-35, <0.3° accuracy, 14-bit encoder, 24/48 V, CAN. REVO HA harmonic series (9 models, RR-HA-40-100 to 80-100): 56-95 mm OD, 350-1100 g, 5.4-67 N·m rated / 19-157 N·m peak, ratio 80-100, ≤10-20 arcsec accuracy, 14/15-bit encoder, 24/48 V, CAN+EtherCAT. Hollow-bore wiring and position/velocity/torque/force-position hybrid control for humanoid and cobot joints.
Humanoid
