Data Sheet
29
2-phase stepping motor
42
mm sq.
(
1.65inch sq.
)
SS242
□
1.8
°
/ step Bipolar winding
●
SS2421-50
□□
0.00
0.10
0.20
0.30
0.40
0.50
0
3
1
5
2
4
fs
0.1
110100
2000 3000100 1000
Pull-out torque at JL2
0
40
20
60
Torque(N・m)
Torque(kgf・cm)
Torque(oz・in.)
Number of rotations
(
min
-1
)
Pulse rate(kpulse/s)
fs
0.00
0.02
0.04
0.06
0.08
0.10
0.1
1 10 100
2000 3000100 1000
0
0.8
0.6
0.2
1
0.4
0
8
4
12
Torque (N・m)
Torque (kgf・cm)
Torque (oz・in.)
Pull-out torque at JL1
Number of rotations
(
min
-1
)
Pulse rate(kpulse/s)
●
SS2422-50
□□ ●
SS2423-50
□□
0.00
0.05
0.10
0.15
0.20
0
1.5
0.5
2
1
fs
0.1
1 10 100
Pulse rate(kpulse/s)
2000 3000100 1000
Pull-out torque at JL1
Torque(N・m)
Torque(kgf・cm)
0
16
8
Torque(oz・in.)
24
Number of rotations
(
min
-1
)
2-phase STEPPING SYSTEMS
Stepping motor
Specifications
■
Pulse rate-torque characteristics
Bipolar winding
・
Lead wire type
Model
Holding torque at 2-phase
energization
Rated current Wiring resistance Winding inductance Rotor inertia Mass
(
Weight
)
Single shaft Double shafts [N
・
m
(
oz
・
in
)
MIN.] A/phase
Ω
/phase mH/phase [
×
10
-4
kg
・
m
2
(
oz
・
in
2
)
][kg
(
Ibs
)
]
SS2421-5041 -5011
0.083
(
11.75
)
13.5 1.2
0.015
(
0.082
)
0.07
(
0.15
)
SS2422-5041 -5011
0.186
(
26.33
)
15.4 2.9
0.028
(
0.153
)
0.14
(
0.31
)
SS2423-5041 -5011
0.240
(
33.98
)
17.3 5
0.038
(
0.208
)
0.20
(
0.44
)
Constant current circuit
Source voltage : DC24V
・
operating current : 1A/phase,
2-phase energization
(
full-step
)
J
L1
=
[
0.33x10
-4
kg
・
m
2
(
1.80 oz
・
in
2
)
inertia of rubber coupling is
in cluded
]
J
L2
=
[
0.94x10
-4
kg
・
m
2
(
5.14 oz
・
in
2
)
inertia of rubber coupling is
in cluded
]
fs: No load maximum starting pulse rate
Constant current circuit
Source voltage : DC24V
・
operating current : 1A/phase,
2-phase energization
(
full-step
)
J
L1
=
[
0.33x10
-4
kg
・
m
2
(
1.80 oz
・
in
2
)
inertia of rubber coupling is
in cluded
]
J
L2
=
[
0.94x10
-4
kg
・
m
2
(
5.14 oz
・
in
2
)
inertia of rubber coupling is
in cluded
]
fs: No load maximum starting pulse rate
Constant current circuit
Source voltage : DC24V
・
operating current : 1A/phase,
2-phase energization
(
full-step
)
J
L1
=
[
0.33x10
-4
kg
・
m
2
(
1.80 oz
・
in
2
)
inertia of rubber coupling is
in cluded
]
J
L2
=
[
0.94x10
-4
kg
・
m
2
(
5.14 oz
・
in
2
)
inertia of rubber coupling is
in cluded
]
fs: No load maximum starting pulse rate
The date are measured under the drive condition of our company. The drive torque may very depending on the accuracy of customer-side equipment.