1. Installation
1 - 16
1-4-2 Installing the encoder
To maintain the encoder life and performance, a flexible coupling should be used to couple the spindle
encoder and C-axis encoder with the spindle shaft.
Flexible coupling
Opposite encoder
shaft side
Encoder
Encoder and coupling installation accuracy
Recommended coupling
Recommendation 1 Recommendation 2
Manufacturer Tokushu Seiko Eagle
Model Model M1 FCS38A
Resonance frequency 1374Hz 3515Hz
Position detection error 0.8×10-3° 1.2×10-3°
Tolerable speed 20000r/min 10000r/min
Core deviation 0.7mm 0.16mm
Mis-alignment
Angle displacement 1.5° 1.5°
Max. length 74.5mm 33mm
Outline dimensions
Max. diameter ø57mm ø38mm
Refer to the coupling catalog, etc., for details on the coupling.
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