Built for high precision motion control.
The DHD-H Series provides high rigidity harmonic transmission with accurate positioning performance for industrial robots and precision automation equipment.
Transmission Accuracy
Hysteresis Loss
T2 Rigidity
The DHD-H Series is a high-performance harmonic reducer designed for industrial automation systems requiring compact structure and stable precision transmission. The series combines optimized mechanical design with low hysteresis characteristics and high torsional stiffness to support demanding robotic motion applications. With transmission accuracy reaching 60 arcsec and hysteresis loss controlled to 1 arcmin, DHD-H provides reliable motion control for industrial robots, automated machinery, and precision equipment.
Enhanced mechanical stiffness improves load stability and supports precise robotic operation under dynamic conditions.
Optimized harmonic transmission structure reduces positioning error and improves repeatability performance.
Integrated reducer architecture enables efficient installation in industrial robot joints and automation systems.
The DHD-H Series covers sizes 14, 17, 20, 25, and 32, with reduction ratios from 50 to 160. Specifications include transmission accuracy, hysteresis loss, and torsional stiffness performance.
| PARAMETER | SPECIFICATION |
|---|---|
| Transmission accuracy | 60 arcsec (all sizes) |
| Hysteresis loss | 2.0 arcmin (Ratio 50); 1.0 arcmin (Ratio ≥80) |
| Rigidity T1 (N·m) | 2.0–29 N·m |
| Rigidity T2 (N·m) | 6.9–108 N·m |
| Contact engineering for custom modifications. | |
| Size | Outer Diameter ΦAh7 (mm) | Height H (mm) | Weight (kg) |
|---|---|---|---|
| 14 | 70 | 20 | 0.49 |
| 17 | 80 | 25 | 0.66 |
| 20 | 90 | 30 | 0.84 |
| 25 | 110 | 38 | 1.40 |
| 32 | 142 | 54 | 2.70 |
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