Installation
−
10
−
Installing the right angle •
geared type
Machine tapped holes in the mounting plate, and secure the
motor on the plate using hexagonal socket head screw set
(supplied).
The pilot section on the output shaft has been machined to
Ø50
0
mm (h8) [Ø1.9685
0
in] for
SCM4
type and
Ø58
0
mm (h8) [Ø2.2835
0
in] for
SCM5
type
.
Use this pilot section as a guide when aligning the output shaft.
Hexagonal socket head screw
Mounting plate
The figure shows a solid shaft type.
Washer
Spring washer
Motor model
Hexagonal socket head screw
(Material: Stainless steel)
Tightening torque
[N·m (lb-in)]
L1
L2
Screw size L1 [mm (in.)] L2 [mm (in.)]
SCM4
M6 100 (3.94) 11 (0.43) 5.0 (44)
SCM5
M8 110 (4.33) 8 (0.31) 12.0 (106)
*
When the supplied hexagonal socket head screw set is used.
Note
•
Do not disassemble the gearhead from the motor.
•
When using the gearhead ange to mount the geared motor to equipment, proper alignment between the
hollow shaft inside dimension and the load shaft is necessary. Keep the alignment tolerance within
0.02 mm (0.0008 in.). Insufcient alignment may result in damage to the gearhead internal bearings.
•
On rare occasions, a small amount of grease may ooze out from the gearhead. If there is a concern
over possible environmental damage resulting from the leakage of grease, provide an oil tray or similar
oil catching mechanism in order not to cause a secondary damage. Oil leakage may lead to problems
in the customer’s equipment or products.
For the motor equipped with cooling fan (90 W)
When installing a motor with cooling fan onto a device, leave 10 mm (0.39 in.) or more behind the fan cover or open a
ventilation hole so that the cooling inlet on the back of the motor cover is not blocked.
3.3 Installing a load
Parallel shaft • combination type, round shaft type
When installing a load on the motor (gearhead), pay attention to the following points.
•
Align the centerline of the motor output shaft (gearhead output shaft) with the centerline of the load.
•
For the parallel shaft�combination type, a key slot is provided on the output shaft of the gearhead.
Form a key slot on the load side and secure the load using the supplied parallel key.
Note
•
When coupling the motor (gearhead) with a load, pay attention to centering, belt tension, parallelism of
pulleys, etc. Also, rmly secure the tightening screws of the coupling or pulleys.
•
When installing a load, do not damage the motor output shaft (gearhead output shaft) or bearing. Do
not apply excessive force onto the output shaft of the gearhead using a hammer or other tools. Doing
so may cause damage to the output shaft or bearings.
•
Do not modify or machine the motor (gearhead) output shaft. The bearing may be damaged or motor
(gearhead) may break.
•
When using the output shaft end tapped hole of a gearhead
Use a tapped hole provided at the end of the output shaft as an auxiliary means for preventing the transfer mechanism from
disengaging.
Gearhead model Output shaft end tapped hole
Screw
Spacer
4GV
o
B
M5, Effective depth 10 mm (0.39 in.)
5GV
o
B
5GVH
o
B
5GVR
o
B
M6, Effective depth 12 mm (0.47 in.)
The output shaft end tapped hole is not provided for the
2GV
o
B
and
3GV
o
B
types.
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