1 - 30
1 Installation
MITSUBISHI CNC
1.5 Installation of the Machine End Encoder
1.5.1 Spindle Side ABZ Pulse Output Encoder (OSE-1024 Series)
To maintain the encoder life and performance, a flexible coupling should be used to couple the spindle side encoder and
C-axis encoder with the spindle.
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 20,000r/min 10,000r/min
Mis-alignment
Core deviation 0.7mm 0.16mm
Angle displacement 1.5° 1.5°
Outline dimensions
Max. length 74.5mm 33mm
Max. diameter φ57mm φ38mm
CAUTION
Confirm that the gear ratio (pulley ratio) of the spindle end to the encoder is 1:1.
Refer to the coupling catalog, etc., for details on the coupling.
0.02
0.02
Encoder
Opposite encoder shaft
side
Flexible coupling
