SM Coupling
SMF Series
Features
- Rubber : anti-vibration
- Improves servo motor gain values
- Low reaction force, excellent vibration damping
- Zero backlash
- Electrical insulation
- Diameter: ø26 ~ 56
- Torque: 2 N·m ~ 25 N·m
Dimensions
| Model | d1 | d2 | D | L | L1 | E | S | A | C | d3 | M | Tightening Torque | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min. | Max. | Min. | Max. | [N·m] | ||||||||||
| SMF-020 | 4 | 10 | 4 | 11 | 26 | 31.9 | 10.8 | 8.9 | 0.7 | 9.5 | 3.3 | 10.5 | M2.5 | 1.2 |
| SMF-025 | 5 | 13 | 5 | 14 | 29 | 32.4 | 10.8 | 9.4 | 0.7 | 11 | 3.3 | 13.5 | M2.5 | 1.2 |
| SMF-030 | 10 | 15 | 10 | 16 | 34 | 38 | 12.5 | 11 | 1 | 12.5 | 3.75 | 15.5 | M3 | 1.7 |
| SMF-035 | 6 | 18 | 6 | 19 | 39 | 48 | 15.5 | 15 | 1 | 14 | 4.5 | 18.5 | M4 | 3.5 |
| SMF-040 | 15 | 22 | 15 | 24 | 44 | 48 | 15.5 | 15 | 1 | 17 | 4.5 | 23.5 | M4 | 3.5 |
| SMF-050 | 19 | 28 | 19 | 30 | 56 | 59.8 | 20.5 | 17.4 | 0.7 | 22 | 6 | 29.5 | M5 | 7.5 |
| Model | Rated Torque | Allowable Misalignment | Maximum Speed | Axial Spring Constant | Moment of Inertia | Mass | Torsional Stiffness | ||
|---|---|---|---|---|---|---|---|---|---|
| Parallel | Angular | Axial | RPM | [N/mm] | [kg·m²] | [kg] | [N·m/rad] | ||
| [N·m] | [mm] | [°] | [mm] | ||||||
| SMF-020 | 2 | 0.15 | 1.5 | ±0.2 | 19,000 | 637 | 3.01×10-6 | 0.031 | 177 |
| SMF-025 | 4 | 0.2 | 1.5 | ±0.3 | 17,000 | 432 | 4.85×10-6 | 0.036 | 252 |
| SMF-030 | 5 | 0.2 | 1.5 | ±0.3 | 14,000 | 411 | 10.70×10-6 | 0.065 | 393 |
| SMF-035 | 10 | 0.2 | 1.5 | ±0.3 | 12,000 | 418 | 26.82×10-6 | 0.101 | 602 |
| SMF-040 | 12 | 0.2 | 1.5 | ±0.3 | 11,000 | 610 | 38.32×10-6 | 0.125 | 1,135 |
| SMF-050 | 25 | 0.2 | 1.5 | ±0.3 | 10,000 | 662 | 128.12×10-6 | 0.270 | 2,789 |