4
Notes on use
•
Use the gearhead in an ambient temperature ranging between 0 to +50 °C
(+32 to +122 °F), and at a humidity of 85% or less.
•
Avoid using the gearhead in a location subject to direct sunlight or
splashing water/oil.
•
Avoid using the gearhead in a location subject to significant vibration or
shock, dust, or in a place where flammable or corrosive gases are
generated.
•
On rare occasions a small amount of grease may leak from the gearhead. If
leaked grease is feared to contaminate the surrounding environment, check
for grease leakage during regular inspections or provide an oil pan or other
device to prevent damage resulting from contamination. Leaking oil is a
cause of malfunction in your equipment or product.
Rotating direction of the gearhead output shaft
The rotational direction of the gearhead’s hollow output shaft varies
depending on whether the shaft is viewed from the front or rear of the
gearhead.
When the CW
input is ON
When the CCW
input is ON
When the CW
input is ON
When the CCW
input is ON
•
Viewed from front
•
Viewed from rear
•
Maximum allowable torque
The gearhead’s output torque increases proportionally to the gear ratio.
However, the load torque applied to the gearhead is limited by the gear
material and other conditions. This torque limit is defined as the “maximum
allowable torque,” which is specified in accordance with the gearhead size
and gear ratio. Use the gearhead within the allowable torque as appropriate
for each gear ratio. Refer to the catalog for details. Moreover, a hard
mechanical stop should never be used. The use of such a stopper may damage
the gearhead due to the impact generated through contact.
•
Allowable overhung load and allowable thrust load
“Overhung load” refers to the load applied to the gearhead’s output shaft in
the vertical direction, as shown below. “Thrust load” is the load applied to
the output shaft in the axial direction. Since the overhung load and thrust load
have a significant influence on the service life of the bearing and the strength
of the shaft, be careful not to allow the overhung load and thrust load to
exceed the allowable values specified in the table below.
Load shaft
Overhung load
Thrust load
Allowable overhung load and allowable thrust load
Allowable overhung load
∗
2
[N]
Distance from hollow-shaft
gearhead mounting surface
Model
∗
1
Gear
ratio
10 mm
20 mm
Allowable
thrust
load [N]
5, 10
450 (410)
370 (330)
GFS2G FR
15 to 200
500 (460)
400 (370)
200
5, 10
800 (730)
660 (600)
GFS4G FR
15 to 200
1200 (1100)
1000 (910)
400
5, 10
900 (820)
770 (700)
15, 20
1300 (1200) 1110 (1020)
GFS5G FR
30 to 200
1500 (1400) 1280 (1200)
500
5, 10
1230 (1130)
1070 (990)
15, 20
1680 (1550) 1470 (1360)
GFS6G FR
30 to 100
2040 (1900) 1780 (1660)
800
∗1
in the model names indicates a number representing the gear ratio.
∗2
The values of allowable overhung load assume a motor shaft speed of
3000 r/min. The values in parentheses are based on 4000 r/min.
•
Unauthorized reproduction or copying of all or part of this manual is
prohibited.
•
Oriental Motor shall not be liable whatsoever for any problems relating
to industrial property rights arising from use of any information, circuit,
equipment or device provided or referenced in this manual.
•
Characteristics, specifications and dimensions are subject to change
without notice.
•
While we make every effort to offer accurate information in the
manual, we welcome your input. Should you find unclear descriptions,
errors or omissions, please contact the nearest office.
•
is a registered trademark or trademark of Oriental
Motor Co., Ltd., in Japan and other countries.
© Copyright
ORIENTAL MOTOR CO., LTD. 2009
Printed on Recycled Paper
• Please contact your nearest Oriental Motor office for further information.
Headquarters Tokyo, Japan
Tel:(03)3835-0684 Fax:(03)3835-1890
Tel:01 47 86 97 50
Fax:01 47 82 45 16
Tel:(02)8228-0707 Fax:(02)8228-0708
Technical Support Tel:(800)468-3982
8:30
A.M.
to 5:00
P.M.
, P.S.T. (M-F)
7:30
A.M.
to 5:00
P.M.
, C.S.T. (M-F)
E-mail: [email protected]
www.orientalmotor.com
Headquarters and Düsseldorf Office Tel:0211-52067-00
Fax:0211-52067-099
Munich Office
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Fax:089-3181225-25
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