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Description of Harmonic Drive Robot Joint Actuator
Based on the standard harmonic joint module, this version is equipped with dual encoders, which can significantly improve the absolute positioning accuracy and repeatability of the robot joint.
A single encoder can only reflect the motor-side status and cannot accurately represent the motion of the load side. With dual encoders, motor-side speed and current closed-loop control as well as output-side position feedback can be achieved, enabling higher control bandwidth and smoother, more stable motion control.
This makes the module particularly suitable for mid- to high-end industrial robots, collaborative robots, and other high-precision equipment such as semiconductor and optical inspection systems.
Click Below to Download the 3D Drawings
Harmonic Joint Motor Data Sheet
| Joint Model Number (Red mark indicates module outer diameter) |
Gear Ratio | Rated Torque @2000RPM (N.m) |
Max Allowable Torque At Average Load (N.m) |
Impact Torque (N.m) |
Rated Speed (With 1/2 Rated Torque) (RPM) |
Peak Speed (RPM) |
Rated Power (W) |
Supply Voltage (V) |
Rated Current (A) |
Max Continuous Current (A) |
Encoder Resclution (bit) |
Torque Constant (N.m/A) |
Gear Backlash (arcsec) |
Communication Bus | Hollow Shaft (mm) |
|
| PRO Series | ND-E-30-40 | 51/101 | 1.8/2.8 | 2.3/3.3 | 3.3/4.8 | 90/45 | 118/59 | 36 | 24-48 | 1 | 2 | 216 ( 65,536 ) | 0.024 | 40/40 | CAN/EtherCAT | 6 |
| ND-E-40-52 | 51/101 | 4/6.5 | 5.5/8.9 | 8.3/11 | 80/40 | 118/59 | 90 | 24-48 | 2 | 3 | 216 ( 65,536 ) | 0.05 | 40/30 | CAN/EtherCAT | 12 | |
| ND-E-50-60 | 51/81/101 | 6.6/9.6/9.6 | 8.6/13.5/13.5 | 23/29/34 | 75/46/37 | 97/61/49 | 150 | 24-48 | 3.6 | 5 | 216 ( 65,536 ) | 0.089 | 20/20/10 | CAN/EtherCAT | 12 | |
| ND-E-50-70 | 51/81/101 | 6.6/9.6/9.6 | 8.6/13.5/13.5 | 23/29/34 | 75/46/37 | 97/61/49 | 150 | 24-48 | 3.6 | 5 | 216 ( 65,536 ) | 0.089 | 20/20/10 | CAN/EtherCAT | 12 | |
| ND-E-60-70 | 51/81/101/121 | 19.8/27.5/30/30 | 32/33/49/49 | 42/53/66/66 | 68/43/34/24 | 82/51/41/32 | 300 | 24-48 | 5 | 6.7 | 216 ( 65,536 ) | 0.096 | 20/20/10/10 | CAN/EtherCAT | 18 | |
| ND-E-60-80 | 51/81/101/121 | 19.8/27.8/30/30 | 32/33/49/49 | 42/53/66/66 | 68/43/34/24 | 82/51/41/32 | 300 | 24-48 | 5 | 6.7 | 216 ( 65,536 ) | 0.096 | 20/20/10/10 | CAN/EtherCAT | 18 | |
| ND-E-70-80 | 51/81/101/121 | 32/42/50/50 | 42/58/61/61 | 63/91/102/108 | 61/38/30/25 | 77/48/40/30 | 500 | 24-48 | 6.1 | 8.4 | 216 ( 65,536 ) | 0.118 | 20/20/10/10 | CAN/EtherCAT | 18 | |
| ND-E-70-90-PRO | 51/81/101/121 | 32/42/50/50 | 42/58/61/61 | 63/91/102/108 | 61/38/30/25 | 77/48/40/30 | 500 | 24-48 | 6.1 | 8.4 | 216 ( 65,536 ) | 0.118 | 20/20/10/10 | CAN/EtherCAT | 18 | |
| ND-E-80-97 | 51/81/101/121/161 | 48/78/84/84/84 | 68.8/107/133/133/133 | 121/169/194/207/217 | 54/35/27/23/17 | 65/43/36/30/22 | 750 | 24-48 | 9 | 10.4 | 216 ( 65,536 ) | 0.143 | 20/20/10/10/10 | CAN/EtherCAT | 27 | |
| ND-E-80-110 | 51/81/101/121/161 | 48/78/84/84/84 | 68.8/107/133/133/133 | 121/169/194/207/217 | 54/35/27/23/17 | 65/43/36/30/22 | 750 | 24-48 | 9 | 10.4 | 216 ( 65,536 ) | 0.143 | 20/20/10/10/10 | CAN/EtherCAT | 27 | |
| ND-E-100-120 | 51/81/101/121/161 | 94/146/169/169/168 | 120/185/267/267/267 | 267/376/411/436/459 | 44/29/22/18/12 | 55/37/29/24/18 | 1000 | 24-48 | 15.8 | 16.9 | 216 ( 65,536 ) | 0.175 | 20/20/10/10/10 | CAN/EtherCAT | 32 | |
| ND-E-100-142 | 51/81/101/121/161 | 94/146/169/169/168 | 120/185/267/267/267 | 267/376/411/436/459 | 44/29/22/18/12 | 55/37/29/24/18 | 1000 | 24-48 | 15.8 | 16.9 | 216 ( 65,536 ) | 0.175 | 20/20/10/10/10 | CAN/EtherCAT | 32 | |
| ND-E-110-145 | 51/121/161 | 169/363/363 | 255/586/586 | 532/802/841 | 22/12/7 | 34/14/10 | 1500 | 24-48 | 14.1 | 30.2 | 216 ( 65,536 ) | 0.293 | 20/20/10 | CAN/EtherCAT | 40 | |
| ND-E-110-170 | 51/121/161 | 169/363/363 | 255/586/586 | 532/802/841 | 22/12/7 | 34/14/10 | 1500 | 24-48 | 14.1 | 30.2 | 216 ( 65,536 ) | 0.293 | 20/20/10 | CAN/EtherCAT | 40 | |
| Specifications are for reference only. Actual dimensions subject to engineering drawings. PRO Series hollow-shaft models support customization: Brakes (optional) EtherCAT/CanOPEN protocols Low-temperature operation (-40°C) |
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Brand Introduction
HONPINE has been manufacturing harmonic reducers since 2018. Although it started relatively late, it has progressed rapidly thanks to the support of a professional and experienced technical team. Soon after, it began producing harmonic joint modules, harmonic rotary actuators, planetary joint modules, and other products. It was one of the first Chinese companies to begin testing in the European and American markets. Its products are mainly used in humanoid robots, semiconductor equipment, medical equipment, industrial automation, collaborative robots, and industrial robots.
