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
TorqueNm
Torquekgfcm
Torqueozin.
Number of rotations
min
-1
Pulse ratekpulse/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(Nm
Torque(kgfcm)
Torque(ozin.)
Pull-out torque at JL1
Number of rotations
min
-1
Pulse ratekpulse/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 ratekpulse/s
2000 3000100 1000
Pull-out torque at JL1
Torque(N・m)
Torquekgfcm
0
16
8
Torqueozin.
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.

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