Kaiserdrive KGU-14B Harmonic Integrated Joint Module (20 N·m rated)
Vendor: Kaiserdrive
Product: KGU-14B
Jiangsu Kaiserdrive (subsidiary of Leaderdrive Harmonic Drive, STAR-688017) KGU robot joint module, model KGU-14B: 20 N·m rated / 40 N·m max torque, 40/62 rpm rated/max speed, 90 W rated power, 48VDC, ratio 1/81. Integrated harmonic reducer + frameless torque motor + built-in EtherCAT/CANopen servo driver + dual 20-bit single-turn absolute encoders (BiSS-C), 60 arcsec positioning / 10 arcsec repeatability, Φ10mm hollow shaft, Φ70×72mm envelope, only 0.83kg, optional power-off holding brake. For lightweight humanoid-arm joints (payload/weight ratio near 1:1); smallest joint under 350g.
| Bus | EtherCAT / CANopen |
| Model | KGU-14B |
| Weight | 0.83 kg |
| Encoder | 20bit （BiSS-C） |
| Reducer | （ 1/81） |
| Voltage | 48VDC（ 24VDC） |
| Dimensions | Φ70×72 mm |
| Gear Ratio | 1/81 |
| Peak Speed | 62 rpm |
| Protection | （F ） |
| Peak Torque | 40 N·m |
| Rated Power | 90 W |
| Rated Speed | 40 rpm |
| Vendor Site | https://www.kaiserdrive.com |
| Hollow Shaft | Φ10 mm |
| Rated Torque | 20 N·m |
| Repeatability | 10 arcsec |
| Positioning Accuracy | 60 arcsec |