Designed for compact robotic integration.
The DHSG-R Series combines high precision transmission, low hysteresis loss, and high torsional rigidity for robot joints, collaborative robots, and space-limited automation systems.
Transmission Accuracy
Hysteresis Loss
T2 Rigidity
The DHSG-R Series is a compact hollow-shaft harmonic reducer designed for robotic joints and integrated automation applications requiring precision, rigidity, and efficient mechanical layouts. Its optimized transmission structure provides accurate positioning with low motion deviation, while high torsional stiffness supports stable dynamic performance under changing loads. With transmission accuracy reaching 30 arcsec and hysteresis loss as low as 1 arcmin, the series enables reliable motion control for collaborative robots, industrial robots, and compact robotic mechanisms.
Integrated hollow design simplifies cable routing and reduces mechanical complexity in compact robotic systems.
Optimized harmonic gear engagement achieves high positioning accuracy with transmission accuracy down to 30 arcsec.
Enhanced structural stiffness provides T1/T2 rigidity performance for stable robotic motion under dynamic loads.
The DHSG-R Series covers sizes 14, 17, 20, 25, 32, 40, and 45, with reduction ratios from 50 to 160. Technical specifications include transmission accuracy, hysteresis loss, and torsional stiffness performance.
| PARAMETER | SPECIFICATION |
|---|---|
| Transmission accuracy | 30 arcsec (Reduction ratio ≥50, sizes 20–45); 45 arcsec for size 14/17 |
| Hysteresis loss | 1.0 arcmin (Reduction ratio ≥80); 2.0 arcmin (Ratio 50) |
| Rigidity T1 (N·m) | 2.0–76 N·m (Size dependent) |
| Rigidity T2 (N·m) | 6.9–275 N·m (Size dependent) |
| Contact engineering for custom modifications. | |
| SIZE | OUTER DIAMETER ΦAh7 (MM) | HOLLOW DIAMETER ΦC H7 (MM) | WEIGHT (KG) |
|---|---|---|---|
| 14 | 50 | 8 | 0.41 |
| 17 | 60 | 8 | 0.57 |
| 20 | 70 | 14 | 0.81 |
| 25 | 85 | 14 | 1.31 |
| 32 | 110 | 19 | 2.94 |
| 40 | 135 | 14 | 5.10 |
| 45 | 155 | 19 | 6.50 |
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