69
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St
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Mot
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Mot
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Dim
ensions
In motor+gear models, the gears may be damaged if allowable torque is exceeded. When selecting a motor, ensure that its allowable torque will not be exceeded.
System configuration
P.60
Set Model Configuration
P.62
Motor dimensions
P.101
Driver dimensions
P.105
The data are measured under the drive condition of our
company. The drive torque may very depending on the accuracy of customer -side equipment.
Motor size
φ
86mm (
φ
3.39inch)
Motor + gear length
127.3mm (5.01inch)
127.3mm (5.01inch)
127.3mm (5.01inch)
127.3mm (5.01inch)
Single
shaft
Set ordering model no.
FDF851S-CX3.6 FDF851S-CX7.2 FDF851S-CX10 FDF851S-CX20
Corresponding motor model number
103F8581-82CXA4
103F8581-82CXB4
103F8581-82CXE4
103F8581-82CXG4
Double
shaft
Set ordering model no.
FDF851D-CX3.6 FDF851D-CX7.2 FDF851D-CX10 FDF851D-CX20
Corresponding motor model number
103F8581-82CXA1
103F8581-82CXB1
103F8581-82CXE1
103F8581-82CXG1
Allowable torque
N
・
m (OZ
・
in)
4.5 (637.2)
9 (1274.5)
9 (1274.5)
12 (1699.3)
Rotor inertia
×
10
-4
kg
・
m
2
(OZ
・
in
2
)
1.45 (7.93)
1.45 (7.93)
1.45 (7.93)
1.45 (7.93)
Basic step angle
DEG
0.2 0.1
0.072
0.036
Gear ratio
-
1
:
3.6
1
:
7.2
1
:
10
1
:
20
Backlash
DEG
0.35 0.22 0.22 0.15
Allowable speed
min
-1
500 250 180 90
Motor mass
(Note1)
kg (lbs)
2.7 (5.94)
2.7 (5.94)
2.7 (5.94)
2.7 (5.94)
Allowable thrust load
N (lbs)
60 (13.5)
60 (13.5)
60 (13.5)
60 (13.5)
Allowable radial load
(Note2)
N (lbs)
300 (67.5)
300 (67.5)
300 (67.5)
300 (67.5)
The directions of motor rotation and gear output axle rotation are the same for models with reduction ratio 1:3.6 and 1:7.2 reduction ratios, and opposite for 1:10, 1:20, 1:30 and 1:36 reduction ratios.
(Note1) Driver mass
P.79
(Note2) When load is applied at 1/3 length from output shaft edge.
■
Characteristics
Operating current
:
1.4
A
/phase
Allowable torque
Full step Half step
Use the rubber coupling
Source current (load applied)
Full step Half step
Source current (no load)
Full step Half step
FDF851S-CX3.6
FDF851D-CX3.6
FDF851S-CX7.2
FDF851D-CX7.2
FDF851S-CX10
FDF851D-CX10
FDF851S-CX20
FDF851D-CX20
DC24V
DC24V
DC24V
DC24V
DC36V
DC36V
DC36V
DC36V
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
Source current
(A)
0
1
2
3
4
5
0.1
1
10
100
0
1
2
3
4
5
6
7
8
9
10
Full step
Half step
5
2
500
10
20
50 100 200
5
10
20
50 100 200
500
Allowable torque
Source current
0
Torque
(
oz
・
in.
)
700
600
500
400
300
200
100
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
Source current
(A)
0
1
2
3
4
5
0.1
1
10
100
0
1
2
3
4
5
6
7
8
9
10
Full step
Half step
Allowable torque
Source current
5
2
500
10
20
50
100 200
5
10
20
50
100 200
500
0
Torque
(
oz
・
in.
)
700
600
500
400
300
200
100
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
Source current
(A)
0
2
4
6
8
10
0.1
1
10
100
0
1
2
3
4
5
6
7
8
9
10
Full step
Half step
Allowable torque
Source current
2
1
250
5
10
20
50
100
2
5
10
20
50 100
250
0
Torque
(
oz
・
in.
)
1400
1200
1000
800
600
400
200
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
Source current
(A)
0
2
4
6
8
10
0.1
1
10
100
0
1
2
3
4
5
6
7
8
9
10
Full step
Half step
Allowable torque
Source current
2
1
250
5
10
20
50
100
2
5
10
20
50
100
250
0
Torque
(
oz
・
in.
)
1400
1200
1000
800
600
400
200
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
Source current
(A)
0
2
4
6
8
10
0.1
1
10
100
0
1
2
3
4
5
6
7
8
9
10
Full step
Half step
Allowable torque
Source current
2
1
180
5
10
20
50 100
2
5
10
20
50
100 180
0
Torque
(
oz
・
in.
)
1400
1200
1000
800
600
400
200
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
Source current
(A)
0
2
4
6
8
10
0.1
1
10
100
0
1
2
3
4
5
6
7
8
9
10
Full step
Half step
Allowable torque
Source current
2
1
180
5
10
20
50 100
2
5
10
20
50
100 180
0
Torque
(
oz
・
in.
)
1400
1200
1000
800
600
400
200
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
Source current
(A)
0
4
8
12
16
20
0.1
1
10
100
0
1
2
3
4
5
6
7
8
9
10
Full step
Half step
Allowable torque
Source current
5
2
10
20
50 90
1
5
10
20
50
90
2
1
0
Torque
(
oz
・
in.
)
2500
2000
1500
1000
550
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
Source current
(A)
0
4
8
12
16
20
0.1
1
10
100
0
1
2
3
4
5
6
7
8
9
10
Full step
Half step
Allowable torque
Source current
5
2
10
20
50 90
1
5
10
20
50 90
2
1
0
Torque
(
oz
・
in.
)
2500
2000
1500
1000
550