Helix Coupling MHC
The MHC helix coupling stands out for its extended design and improved flexibility, while still providing stable torque transmission. The clamping hub ensures a force-fit, backlash-free connection. It is particularly suitable for applications with increased requirements for misalignment compensation and ensures low-vibration, precise motion.
- Short-term torque: approx. 0.71 to 8.9 Nm
- Increased flexibility thanks to optimized geometry
- Reliable compensation of shaft misalignment
- 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) |
| MHC 015 | 0.71 | 0.36 | 0.18 | ±0.25 | 5 | ±0.25 | 11.2 | 169 | 44 | 10,000 | 0.26×10-6 | 0.009 |
| MHC 020 | 1.3 | 0.7 | 0.4 | ±0.25 | 5 | ±0.25 | 21.2 | 179 | 29 | 10,000 | 1.09×10-6 | 0.021 |
| MHC 025 | 2.9 | 1.5 | 0.8 | ±0.25 | 5 | ±0.25 | 38.2 | 236 | 34 | 10,000 | 2.89×10-6 | 0.035 |
| MHC 030 | 4.9 | 2.5 | 1.3 | ±0.25 | 5 | ±0.25 | 52.1 | 219 | 81 | 10,000 | 7.02×10-6 | 0.060 |
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) |
| MHC 020 | 2.5 | 1.3 | 0.7 | ±0.25 | 5 | ±0.25 | 44.1 | 418 | 58 | 10,000 | 3.02×10-6 | 0.058 |
| MHC 025 | 5.7 | 2.9 | 1.5 | ±0.25 | 5 | ±0.25 | 101 | 662 | 95 | 10,000 | 8.02×10-6 | 0.097 |
| MHC 030 | 8.9 | 4.5 | 2.3 | ±0.25 | 5 | ±0.25 | 119.4 | 538 | 71 | 10,000 | 20.5×10-6 | 0.167 |
Unit [mm]
| Model | d1/d2 Min. | d1/d2 Max. | D | L | I1 | I2 | S |
| MHC 015 | 3.0 | 5.0 | 15.0 | 22.0 | 6.0 | 2.5 | M2 |
| MHC 020 | 4.0 | 6.0 | 20.0 | 28.0 | 8.6 | 3.7 | M3 |
| MHC 025 | 6.0 | 10.0 | 25.0 | 30.0 | 8.6 | 3.7 | M3 |
| MHC 030 | 10.0 | 12.0 | 30.0 | 38.0 | 11.0 | 5.0 | M4 |
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