Helix Coupling MHL
The MHL helix coupling is designed for higher torques and larger shaft dimensions. The clamping hub ensures a positive, backlash-free connection. It offers exceptional misalignment compensation combined with a compact design and is ideal for demanding applications.
- Short-term torque: approx. 3.2 to 23.5 Nm
- High torque capacity for high-performance applications
- High misalignment compensation (especially parallel misalignment)
- Clamping hub mounting for secure and backlash-free installation
- Smooth operation thanks to optimized spring stiffness
- Wear-free and low-maintenance due to one-piece construction
- Speeds up to 3,600 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. Axial spring stiffness [N/mm] | Max. rpm (min-1) | Moment of inertia (kg·m2) | Mass (kg) |
| MHL 100 | 3.2 | 1.6 | 0.8 | ±0.75 | 5 | ±0.25 | 25 | 44 | 3,600 | 4.52×10-6 | 0.054 |
| MHL 125 | 6.4 | 3.2 | 1.6 | ±0.75 | 5 | ±0.25 | 50 | 29 | 3,600 | 15.2×10-6 | 0.113 |
| MHL 150 | 12.0 | 6.0 | 3.0 | ±0.75 | 5 | ±0.25 | 91 | 34 | 3,600 | 34.1×10-6 | 0.180 |
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. Axial spring stiffness [N/mm] | Max. rpm (min-1) | Moment of inertia (kg·m2) | Mass (kg) |
| MHL 100 | 6.8 | 3.4 | 1.7 | ±0.75 | 5 | ±0.25 | 70 | 56 | 3,600 | 12.6×10-6 | 0.150 |
| MHL 125 | 14.2 | 7.1 | 3.6 | ±0.75 | 5 | ±0.25 | 130 | 64 | 3,600 | 42.3×10-6 | 0.315 |
| MHL 150 | 23.5 | 11.8 | 5.9 | ±0.75 | 5 | ±0.25 | 190 | 78 | 3,600 | 96.1×10-6 | 0.507 |
Unit [mm]
| Model | d1/d2 Min. | d1/d2 Max. | D | L | I1 | I2 | S |
| MHL 100 | 6.0 | 10.0 | 25.4 | 44.5 | 9.4 | 3.8 | M3 |
| MHL 125 | 8.0 | 15.0 | 31.8 | 60.2 | 13.0 | 5.6 | M4 |
| MHL 150 | 10.0 | 16.0 | 38.1 | 66.5 | 16.8 | 5.6 | M4 |
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