HR Series Harmonic Joint Module
by Zhidongli · Wuhan, Hubei (also Wuxi, Jiangsu) · Joint modules
Hollow-shaft harmonic joint modules in five sizes, peak torque from 16 to 841 N.m, 48 VDC with EtherCAT or CANopen and optional dual encoder and torque sensor.
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Full specifications
| Models | HR0090-052H101-48M0, HR0120-070H081-48M0, HR0240-080H101-48M0, HR0680-110H101-48M0, HR1000-142H161-48M0 |
|---|---|
| Joint diameter | 52 / 70 / 80 / 110 / 142 mm |
| Joint length | 80 / 86.5 / 91.5 / 122 / 153 mm |
| Hollow bore diameter | 6 / 9.8 / 12 / 20 / 22 mm |
| Joint weight | 0.4 / 1.1 / 1.4 / 2.9 / 6.7 kg |
| Gear ratio | 101 / 81 / 101 / 101 / 161 (configurable) |
| Reducer backlash | ≤20 arcsec |
| Transmission accuracy | <1 arcmin |
| Average service life | 20,000 h |
| Start/stop allowable torque | 8.5 / 30 / 70 / 204 / 433 N·m |
| Average load torque | 6.5 / 14 / 46 / 140 / 281 N·m |
| Maximum instantaneous torque | 16 / 61 / 138 / 369 / 841 N·m |
| Rated speed | 34 / 43 / 34 / 34 / 20 rpm |
| Maximum speed | 50 / 52 / 42 / 42 / 25 rpm |
| Repeatability | <60 arcsec |
| Absolute positioning accuracy | <300 arcsec |
| Motor power | 90 / 120 / 240 / 680 / 1000 W |
| Rated voltage | 48 VDC |
| Rated current | 2.5 / 3.7 / 6.5 / 18 / 23.2 A (rms) |
| Peak current | 8 / 5.5 / 14 / 37 / 53 A (rms) |
| Communication | EtherCAT, CANopen |
| Encoder | Single multi-turn absolute encoder; dual encoder optional |
| Torque sensor | Optional |
| Protection rating | IP40 |
As printed in the Zhidongli catalog, page 5. Confirm final specs in your quote.
What it does well
- Five sizes from 52 mm to 142 mm diameter
- Hollow bore for cabling
- Optional dual encoder and torque sensor
Applications
Industries
Watch Zhidongli machines run
Filmed at the Zhidongli booth, CIIF 2026, Shanghai.
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