User Manual

PD-1140 Hardware Manual (Rev. 1.01 / 2012-JUL-27) 7
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4.2 Stepper Motor Specifications
MAIN CHARACTERISTICS OF FOUR DIFFERENT MOTORS AVAILABLE AS PART OF THE PD-1140
Specifications
Parameter
Units
QSH4218
-34-20-022
-38-20-036
-47-20-044
-60-20-070
Step angle
˚
1.8
1.8
1.8
1.8
Step angle accuracy
%
+/-5
+/-5
+/-5
+/-5
Ambient temperature
°C
-20 … +50
-20 … +50
-20 … +50
-20 … +50
Max. motor temperature
°C
80
80
80
80
Shaft radial play (450g load)
mm
0.02
0.02
0.02
0.02
Shaft axial play (450g load)
mm
0.08
0.08
0.08
0.08
Max radial force
(20mm from front flange)
N
28
28
28
28
Max axial force
N
10
10
10
10
Rated voltage
V
RATED
V
2.0
2.4
2.4
4.4
Rated phase current
I
RMS RATED
A
2.0
2.0
2.0
2.0
Phase resistance at 20°C
R
COIL
Ω
1.0
1.2
1.4
2.3
Phase inductance (typ.)
mH
1.6
2.2
2.1
6.0
Holding torque
Nm
0.22
0.36
0.44
0.70
Insulation class
B
B
B
B
Rotor inertia
g cm
2
35
57
68
102
Weight
kg
0.22
0.24
0.35
0.5
Table 4.1: NEMA 17 / 42mm stepper motor technical data