Mitsubishi Electric MDS-B-SPJ2 Series Specification Manual page 109

(3) Handling
a. Use of a flexible coupling is recommended for the connection of the encoder and spindle shaft
in terms of improving the encoder life and performance.
b. Installation precision
The precision shown below should be secured for the encoder installation section engaging
section and installation surface sway in order to maximize the coupling life.
Reverse encoder shaft side
c. Recommended coupling
Maker
Model
Resonance frequency
Position detection error
Tolerable speed
Mis-
alignment
Dimensions
Refer to the coupling catalogue for details on the coupling.
7. Optional Specifications and Parts
Coupling
Core deviation
Angle displacement
Max. length
Max. diameter
Recommendation 1
Tokushu Seiko
Model M1
1,374 Hz
–3
0.8 × 10
deg
20,000 rpm
0.7 mm
1.5 deg
74.5 mm
ø57 mm
7 − 2
Encoder
Recommendation 2
Eagle
FCS38A
3,515 Hz
–3
1.2 × 10
deg
10,000 rpm
0.16 mm
1.5 deg
33 mm
ø38 mm