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GSHG Series
Diverse appearance; suitable for robot arm. Short axial dimension. High rigidity for stable precision work. More compact and higher accurate. Applied in robot industry, especially for multi-axis robot joints. Hollow Shaft design
Key Points
- Diverse appearance; suitable for robot arm.
- Short axial dimension.
- High rigidity for stable precision work.
- More compact and higher accurate.
- Applied in robot industry, especially for multi-axis robot joints.
- Hollow Shaft design
Related Entities
Harmonic Gearing - GSHG Series
Product Description
- Diverse appearance; suitable for robot arm.
- Short axial dimension.
- High rigidity for stable precision work.
- More compact and higher accurate.
- Applied in robot industry, especially for multi-axis robot joints.
- Hollow Shaft design
Specification
| Model / Specification | Reduction Ratio | GSHG17 | GSHG20 | GSHG25 | GSHG32 |
|---|---|---|---|---|---|
| Rated Output Torque Nm | 50 | 20.58 | 32.4 | 50.96 | 98 |
| 80 | 28.42 | 44.1 | 82.32 | 156.8 | |
| 100 | 31.36 | 51.94 | 87.22 | 176.4 | |
| 120 | 31.36 | 51.94 | 87.22 | 176.4 | |
| Max. Output Torque Nm | 50~160 | 3x continuous output torque | |||
| Emergency Stop Torque Nm | 50~160 | 5x continuous output torque | |||
| Allowable Input Speed rpm | 50~160 | 3500 | |||
| Max. Flange Tilting Moment Nm | 50~160 | 50.27 | 65.75 | 134.26 | 269.3 |
| Max. Radial Force N | 50~160 | 2631 | 2626 | 4331 | 6732 |
| Max. Axial Force N | 50~160 | 1180 | 1313 | 2165 | 3366 |
| Rated Life H | 50~160 | >10,000 | |||
| Operating Temp. Range ℃ | 50~160 | Ambient -10°C~110°C / Max. working temp. 130°C | |||
| Noise Level dB(A) | 50~160 | 52 | 53 | 55 | 60 |
| Lubrication | 50~160 | 4B No.2 | |||
| Protection Level | 50~160 | IP54 | |||
| Reducer Inertia Kg*cm2 | 50~160 | 0.079 | 0.193 | 0.413 | 1.69 |
| Rigidity Kgf-m/arc-min | 50~160 | 0.4 | 0.67 | 1.3 | 2.9 |
| Weight Kg | 50~160 | 0.8 | 1.3 | 2 | 3.5 |
| No-Load Torque Nm | 50~160 | 0.09 | 0.2 | 0.31 | 0.56 |
| Backlash arcsec | 50 | 20 | 17 | 17 | 14 |
| 80 | 13 | 11 | 11 | 9 | |
| 100 | 10 | 9 | 9 | 7 | |
| 120 | 8 | 8 | 8 | 6 | |
| 160 | - | 6 | 6 | 5 | |
Applications
Where this product is typically used.
Robot Arm
Designed for robotic arm rotary joints and high-frequency servo transmission systems that need accuracy, repeatability, and stable motion.
Dimensional Specifications

| Symbol/Model | ØA h7 | ØB | ØC h7 | ØD h7 | ØE h7 | ØF h7 | G | H | I | J | K | L | M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GSHG17 | 80 | 64 | 45 | 84 | 25 | 19 | 56.5 | 12 | 23 | 21.5 | 6.5 | 10 | 8.5 |
| GSHG20 | 90 | 75 | 50 | 95 | 30 | 21 | 51.5 | 5 | 25 | 21.5 | - | 10.5 | 9 |
| GSHG25 | 110 | 90 | 60 | 115 | 38 | 29 | 55.5 | 6 | 26 | 23.5 | - | 10.5 | 8.5 |
| GSHG32 | 142 | 115 | 85 | 147 | 45 | 36 | 65.5 | 7 | 32 | 26.5 | - | 12 | 9.5 |
| Symbol/Model | N | O | P | Q | R | S | T | ØU | V | W | X | ØY | Z | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GSHG17 | 8.5 | - | 2.5 | 3 | M3 | 74 | 12 | 3.5 | 54 | 20 | M3*6 | Ø3.5*12 | 45 | 5.5 |
| GSHG20 | 7 | 25.5 | - | 6 | M3*6 | 84 | 12 | 3.5 | 62 | 16 | M3*6 | Ø3.5*13.5 | - | - |
| GSHG25 | 6 | 33.5 | - | 6 | M3*6 | 102 | 12 | 405 | 77 | 16 | M4*7 | Ø4.5*15.5 | - | - |
| GSHG32 | 5 | 40.5 | - | 6 | M3*6 | 132 | 12 | 5.5 | 100 | 16 | M5*8 | Ø35.5*20.5 | - | - |