Servoflex SFF DS K
The new SFF model in the Double Flex design, redesigned in 2018, impresses with its compact design and high torsional stiffness. Due to the double disc pack, angular, parallel as well as axial offsets can be compensated. With the new integrated clamping system, larger bore combinations with high concentricity can be achieved.
- Max. 14‘000 rpm
- High concentric clamping hubs
- Silent at high speed
- High torsional stiffness
- 100 to 1‘000 Nm
| Model | Rated torque (Nm) | Misalignment parallel (mm) | Misalignment angular (°) | Misalignment axial (mm) | Max. rpm (min-1) | Torsional stiffness (Nm/rad) | Axial stiffness (N/mm) | Inertia (kg·m2) | Mass (kg) | 3D |
| SFF-070DS-100N | 100 | 0.25 | 2 | ± 1.0 | 14000 | 120000 | 242 | 0.80 × 10-3 | 1.1 | |
| SFF-080DS-150N | 150 | 0.32 | 2 | ± 1.0 | 13000 | 60000 | 48 | 1.36 × 10-3 | 1.56 | |
| SFF-080DS-200N | 200 | 0.31 | 2 | ± 1.0 | 13000 | 155000 | 273 | 1.42 × 10-3 | 1.6 | |
| SFF-090DS-300N | 300 | 0.32 | 2 | ± 1.2 | 12000 | 260000 | 160.5 | 2.24 × 10-3 | 1.87 | |
| SFF-100DS-450N | 450 | 0.38 | 2 | ± 1.3 | 10000 | 370000 | 270 | 3.51 × 10-3 | 2.49 | |
| SFF-120DS-600N | 600 | 0.38 | 2 | ± 1.6 | 9000 | 485000 | 180 | 7.17 × 10-3 | 3.29 | |
| SFF-140DS-800N | 800 | 0.44 | 2 | ± 2.0 | 8000 | 700000 | 180 | 14.68 × 10-3 | 6.05 | |
| SFF-140DS-1000N | 1000 | 0.44 | 2 | ± 2.0 | 8000 | 700000 | 180 | 19.11 × 10-3 | 6.39 |
Unit [mm]
| Model | d1 Min. | d1 Max. | d2 Min. | d2 Max. | D | L | LF | LP | S | C | d3 | K | M1 | M1 Nm | 3D |
| SFF-070DS-100N | 18 | 35 | 18 | 35 | 68 | 76.8 | 23.5 | 8 | 5.9 | 5 | 37 | 38 | 6-M6 | 10 | |
| SFF-080DS-150N | 22 | 35 | 22 | 38 | 78 | 87.6 | 25.5 | 10 | 8.3 | 5 | 40 | 37 | 4-M6 | 10 | |
| SFF-080DS-200N | 22 | 38 | 22 | 38 | 78 | 86.4 | 25.5 | 10 | 7.7 | 5 | 40 | 42 | 6-M6 | 10 | |
| SFF-090DS-300N | 28 | 48 | 28 | 48 | 88 | 87.6 | 25.5 | 10 | 8.3 | 5 | 50 | 50 | 6-M6 | 10 | |
| SFF-100DS-450N | 32 | 50 | 32 | 50 | 98 | 97.4 | 27.5 | 12 | 10.2 | 5 | 52 | 56 | 6-M6 | 10 | |
| SFF-120DS-600N | 35 | 65 | 35 | 70 | 118 | 97.4 | 27.5 | 12 | 10.2 | 5 | 72 | 68 | 6-M6 | 10 | |
| SFF-140DS-800N | 35 | 45 | 35 | 80 | 138 | 120.2 | 36.5 | 15 | 10.6 | 5.5 | 80 | 78 | 6-M8 | 24 | |
| SFF-140DS-1000N | 48 | 75 | 48 | 80 | 138 | 120.2 | 36.5 | 15 | 10.6 | 5.5 | 80 | 78 | 6-M8 | 24 |
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