Encoder coupling
A coupling is a device that connects two shafts for purpose of transmission motion. Coupling compensates for geometrical misalignments and axial motion of connected shafts enables the encoder to work within specified accuracy and prevents excessive bearing load. Permissible shaft misalignments must be kept within limits.
| Kinematic accuracy (with parallel offset ≤ 0.05 mm and angular misalignment ≤ 0.09°) | ± 2 arc. sec. |
| Torsional rigidity | 4000 Nm/rad |
| Permissible torque | 0.5 Nm |
| Moment of inertia | 2×10-4 kgm2 |
| Permissible radial misalignment | ≤ 0.3 mm |
| Permissible angular error | ≤ 0.5° |
| Permissible axial misalignment | ≤ 0.2 mm |
| Permissible shaft speed | 3000 rpm |
| Weight | 0.22 kg |
SC – X1 – X2 – X3 – X4
| Model (X1) | Diameter d1 (X2) | Diameter d2 (X3) | Length* (X4) |
| SC30 SC70 SC98-1 SC98-2 |
04 -⌀ 4mm 05 -⌀ 5mm … |
04 -⌀ 4mm 05 -⌀ 5mm … |
22 – 22mm 30 – 30mm *only for SC30 |
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