The SFS model is a metal disk coupling with a base made of high-strength steel and single membrane steel plate. A very high torsional stiffness ensures the exact rotation of the shaft and ensures a precise transmission. The assembly is possible via bore with key way or clamping set.
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Servoflex SFS S
- Parts delivery possible
- High stiffness
- High compensation function
- Different adaptions possible
- 20 to 800 Nm
| Model | Rated torque (Nm) | Misalignment angular (°) | Misalignment axial (mm) | Max. rpm (min-1) | Torsional stiffness (Nm/rad) | Axial stiffness (N/mm) | Inertia (kg·m2) | Mass (kg) | 3D |
| SFS-05S | 20 | 1 | ±0.6 | 25000 | 16000 | 43 | 0.11×10-3 | 0.3 | |
| SFS-06S | 40 | 1 | ±0.8 | 20000 | 29000 | 45 | 0.30×10-3 | 0.5 | |
| SFS-08S | 80 | 1 | ±1.0 | 17000 | 83000 | 60 | 0.87×10-3 | 1 | |
| SFS-09S | 180 | 1 | ±1.2 | 15000 | 170000 | 122 | 1.60×10-3 | 1.4 | |
| SFS-10S | 250 | 1 | ±1.4 | 13000 | 250000 | 160 | 2.60×10-3 | 2.1 | |
| SFS-12S | 450 | 1 | ±1.6 | 11000 | 430000 | 197 | 6.50×10-3 | 3.4 | |
| SFS-14S | 800 | 1 | ±1.8 | 9500 | 780000 | 313 | 9.90×10-3 | 4.9 | |
| SFS-06S-□M-□M | 40 | 1 | ±0.8 | 5000 | 29000 | 45 | 0.30×10-3 | 0.7 | |
| SFS-08S-□M-□M | 80 | 1 | ±1.0 | 5000 | 83000 | 60 | 0.93×10-3 | 1.3 | |
| SFS-09S-□M-□M | 180 | 1 | ±1.2 | 5000 | 170000 | 122 | 1.80×10-3 | 1.8 | |
| SFS-10S-□M-□M | 250 | 1 | ±1.4 | 5000 | 250000 | 160 | 2.70×10-3 | 2.3 | |
| SFS-12S-□M-□M | 450 | 1 | ±1.6 | 5000 | 430000 | 197 | 6.80×10-3 | 4.1 | |
| SFS-14S-35M-35M | 580 | 1 | ±1.8 | 5000 | 780000 | 313 | 14.01×10-3 | 6.4 |
Unit [mm]
| Model | d1/d2 Min. | d1/d2 Max. | D | N | L | LF | S | F | K | M | 3D |
| SFS-05S | 8 | 20 | 56 | 32 | 45 | 20 | 5 | 11 | 24 | 4-M5×22 | |
| SFS-06S | 8 | 25 | 68 | 40 | 56 | 25 | 6 | 10 | 30 | 4-M6×25 | |
| SFS-08S | 11 | 35 | 82 | 54 | 66 | 30 | 6 | 11 | 38 | 4-M6×29 | |
| SFS-09S | 11 | 38 | 94 | 58 | 68 | 30 | 8 | 21 | 42 | 4-M8×36 | |
| SFS-10S | 16 | 42 | 104 | 68 | 80 | 35 | 10 | 16 | 48 | 4-M8×36 | |
| SFS-12S | 19 | 50 | 126 | 78 | 91 | 40 | 11 | 23 | 54 | 4-M10×45 | |
| SFS-14S | 22 | 60 | 144 | 88 | 102 | 45 | 12 | 31 | 61 | 4-M12×54 |
Unit [mm]
| Model | Bore | d1 | d2 | D | N1 | N2 | L | LF1 | LF2 | S | C | K | M | M1 | M2 |
| SFS-06S | □M-□M | 12, 14, 15 | 12, 14, 15 | 68 | 40 | 40 | 65.6 | 25 | 25 | 6 | 4.8 | 30 | 4-M6×25 | 4-M5 | 2-M5 |
| SFS-08S | □M-□M | 15, 16, 20, 22 | 15, 16, 20, 22 | 82 | 54 | 54 | 75.6 | 30 | 30 | 6 | 4.8 | 38 | 4-M6×29 | 4-M6 | 2-M6 |
| SFS-09S | □M-□M | 25, 28 | 25, 28 | 94 | 58 | 58 | 77.6 | 30 | 30 | 8 | 4.8 | 42 | 4-M8×36 | 6-M6 | 2-M6 |
| SFS-09S | □M-35M | 25, 28 | 35 | 94 | 58 | 68 | 85.6 | 30 | 38 | 8 | 4.8 | 42 | 4-M8×36 | 6-M6 | 2-M6 |
| SFS-10S | □M-□M | 25, 28, 30, 35 | 25, 28, 30, 35 | 104 | 68 | 68 | 89.6 | 35 | 35 | 10 | 4.8 | 48 | 4-M8×36 | 6-M6 | 2-M6 |
| SFS-12S | □M-□M | 30, 35 | 30, 35 | 126 | 78 | 78 | 101.6 | 40 | 40 | 11 | 5.3 | 54 | 4-M10×45 | 4-M8 | 2-M8 |
| SFS-14S | 35M-35M | 35 | 35 | 144 | 88 | 88 | 112.6 | 45 | 45 | 12 | 5.3 | 61 | 4-M12×54 | 6-M8 | 2-M8 |
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