Oriental motor 0GN KA Series Operating Manual

OPERATING MANUAL
Gearhead
(GN・GE・GU Types)
Introduction
Before using the gearhead
Only qualified personnel should work with the product. To ensure correct
operation, please read this manual carefully before using your gearhead.
Should you require the inspection or repair of internal parts, contact the Oriental
Motor office where you purchased the product.
Hazardous substances
RoHS (Directive 2002/95/EC 27Jan.2003) Compliant
Verifying the product name and accessories
Check the model names of the motor and gearhead. Gearheads and motors will fit
together only if they are both of the same frame size (first digit of model name is
the same) and of the same gear type (GN, GE appear in both the gearhead and
motor model name).
Motor model name
<Example> 4 IK25 GN -AW2
Gearhead comes with following accessories for mounting the motor and gearhead
on equipment. Also check them completely provided.
Accessories
•
Screws for mounting, Hexagon nuts, Washers 4 pcs. each
•
Key 1 pc.
(Key is not provided with gearheads that have a flat on the output shaft.)
Key and key slot dimensions (Unit = in.)
GE, GU Type
1.125± 0.1875
0.0079
Table 1. Size of screws for mounting
Size of screw for mounting (provided)
Gearhead
Thread series × Length
model name
0GN3KA to 180KA
No.4-40UNC × 1.57
2GN3SA to 18SA No.8-32UNC × 1.97
2GN25SA to 180SA
No.8-32UNC × 2.36
3GN3SA to 18SA
No.10-24UNC × 1.97
3GN25SA to 180SA
No.10-24UNC × 2.56
4GN3SA to 18SA No.10-24UNC × 1.97
4GN25SA to 180SA No.10-24UNC × 2.56
5GN3SA to 18SA
1/4-20UNC × 2.75
5GN25SA to 180SA
1/4-20UNC × 3.25
5GE3SA to 180SA
1/4-20UNC × 3.75
5GU3KA to 180KA
HG-9025-2
Gearhead model name
4 GN 25SA
Frame size
Gear type series
0 +0.0016
0.1875
-0.0012 0
Type
(in.)
Cross-recessed
head machine
screw
Hexagon socket
head screw
Thank you for purchasing an Oriental Motor product.
To ensure correct operation, please read this manual carefully
before using your gearhead.
Table 2. Installation hole dimensions
Gearhead Installation hole dimensions (in.)
model name
ØA ØB
0GN KA
1.89 0.71
2GN SA 2.76 0.94
3GN SA
3.23 1.18
4GN SA
3.70 1.34
5GN SA
4.09 1.42
5GE SA
4.09 1.34
5GU KA
∗ The square box in the gearhead model will contain a value representing the
gear ratio.
< Installation holes >
4×ØD
Assembly
Align the gearhead and motor as in the Figure below, then engage the pinion
section of the shaft to the gear gently by turning the gearhead slightly in both
directions until the gearhead and motor fit flush together.
Note Forcing the motor and gearhead together during assemble
or permitting contamination by foreign matter inside the
gearhead will cause excess noise and/or shorter life of the
gearhead.
Motor
Flange
Pilot section
C 4×ØD
0.32 0.14
0.39 0.18
0.59 0.22
0.59 0.22
0.71 0.27
0.71 0.27
∗
ØB indicates the external dimension
of the product.
Provide a hole with a diameter of
"ØB +0.04 in. or more."
Output shaft of motor
Mating surface
Gearhead