Helix Coupling MHS
The MHS helix coupling is a compact, one-piece precision coupling featuring high torsional rigidity and reliable compensation for shaft misalignment. Thanks to its helical slot structure, it offers an optimal balance of flexibility and stability. It is secured using set screws, enabling simple and secure installation—ideal for dynamic applications in mechanical engineering and drive technology.
- Short-term torque: approx. 0.71 to 8.9 Nm
- High torsional stiffness combined with good flexibility
- Compensation of angular, parallel, and axial misalignments
- High concentricity for precise applications
- Wear-free and low-maintenance due to one-piece construction
- High speeds up to 10,000 rpm
Aluminum model
| Model | Max. Torque Short-term [N·m] | Max. Torque One-sided [N·m] | Max. Torque Reversing [N·m] | Misalignment Parallel (mm) | Misalignment Angular (°) | Misalignment Axial (mm) | Max. Torsional stiffness [N·m/rad] | Max. Radial spring stiffness [N/mm] | Max. Axial spring stiffness [N/mm] | Max. rpm (min-1) | Moment of inertia (kg·m2) | Mass (kg) |
| MHS 015 | 0.71 | 0.36 | 0.18 | ±0.25 | 5 | ±0.25 | 11.2 | 169 | 44 | 10,000 | 0.23×10-6 | 0.008 |
| MHS 020 | 1.3 | 0.7 | 0.4 | ±0.25 | 5 | ±0.25 | 21.2 | 179 | 29 | 10,000 | 0.78×10-6 | 0.015 |
| MHS 025 | 2.9 | 1.5 | 0.8 | ±0.25 | 5 | ±0.25 | 38.2 | 236 | 34 | 10,000 | 2.31×10-6 | 0.028 |
| MHS 030 | 4.6 | 2.3 | 1.2 | ±0.25 | 5 | ±0.25 | 44.1 | 192 | 25 | 10,000 | 5.50×10-6 | 0.047 |
Stainless Steel model
| Model | Max. Torque Short-term [N·m] | Max. Torque One-sided [N·m] | Max. Torque Reversing [N·m] | Misalignment Parallel (mm) | Misalignment Angular (°) | Misalignment Axial (mm) | Max. Torsional stiffness [N·m/rad] | Max. Radial spring stiffness [N/mm] | Max. Axial spring stiffness [N/mm] | Max. rpm (min-1) | Moment of inertia (kg·m2) | Mass (kg) |
| MHS 015 | 1.3 | 0.65 | 0.33 | ±0.25 | 5 | ±0.25 | 22.0 | 368 | 81 | 10,000 | 0.67×10-6 | 0.023 |
| MHS 020 | 2.5 | 1.3 | 0.7 | ±0.25 | 5 | ±0.25 | 44.1 | 418 | 58 | 10,000 | 2.13×10-6 | 0.041 |
| MHS 025 | 5.7 | 2.9 | 1.5 | ±0.25 | 5 | ±0.25 | 101 | 662 | 95 | 10,000 | 6.45×10-6 | 0.078 |
| MHS 030 | 8.9 | 4.5 | 2.3 | ±0.25 | 5 | ±0.25 | 119.4 | 538 | 71 | 10,000 | 16.2×10-6 | 0.132 |
Unit [mm]
| Model | d1/d2 Min. | d1/d2 Max. | D | L | I1 | I2 | S |
| MHS 015 | 3.0 | 5.0 | 15.0 | 20.0 | 4.8 | 2.5 | M3 |
| MHS 020 | 4.0 | 6.0 | 20.0 | 20.0 | 4.8 | 2.5 | M3 |
| MHS 025 | 6.0 | 10.0 | 25.0 | 24.0 | 5.9 | 3.0 | M4 |
| MHS 030 | 10.0 | 12.0 | 30.0 | 30.0 | 6.8 | 3.5 | M5 |
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