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4.INSTALLATION
(2) Transportation
Do not hold the encoder or shaft to carry the servo motor.
(3) Load mounting precautions (Prevention of impact on shaft)
1) When mounting a pulley to the servo motor shaft provided with a keyway, use the screw hole
in the shaft end. To fit the pulley, first insert a double-end stud into the screw hole of the
shaft, put a washer against the end face of the coupling, and insert and tighten a nut to force
the pulley in.
2) For the servo motor shaft with a keyway, use the screw hole in the shaft end. For the shaft
without a keyway, use a friction coupling or the like.
3) When removing the pulley, use a pulley remover to protect the shaft from impact.
4) To ensure safety, fit a protective cover or
the like on the rotary area, such as the
pulley, mounted to the shaft.
5) When a threaded shaft end part is needed
to mount a pulley on the shaft, please
contact us.
6) During assembling, the shaft end must
not be hammered.
7) The orientation of the encoder on the
servo motor cannot be changed.
8) For installation of the servo motor, use
spring washers, etc. and fully tighten the
bolts so that they do not become loose
due to vibration.
(4) Permissible load for the shaft
1) Use a flexible coupling and make sure
that the misalignment of the shaft is less
than the permissible radial load.
2) When using a pulley, sprocket or timing
belt, select a diameter that will fit into the
permissible radial load.
3) Do not use a rigid coupling as it may ap-
ply excessive bending load to the shaft,
leading to shaft breakage.
200
100
80
60
50
40
30
20
500
1000 1500 2000 2500 3000 3500
Speed [r/min]
4– 6
Servo motor
Double-end stud
Washer
Pulley
Nut
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