STEPPING MOTORS - Motor Technology Ltd

16 max. operating torque series SM 168
SM 168.1.18M12
max. operating torque
[Nm]
16 I = 12.5 A/Ph.
All printed torque performance curves are measured
with STÖGRA drives.
measured with 120 VDC
measured with 240 VDC
without boost
12
8
4
U = 240 VDC
U = 120 VDC
0
2
4
6
8
10
12
14
16
18
[kHz] 800 steps/rev.
0
1
2
3
4
5
6
7
8
9
[kHz] 400 steps/rev.
0
150
300
450
600
750
900 1050 1200 1350
[rpm]
SM 168.2.18M12
[Nm]
32
max. operating torque
I = 12.5 A/Ph.
24
SM 168 SM 107 SM 87/88 SM 56
16
8
U = 240 VDC
U = 120 VDC
0
2
4
6
8
10
12
14
16
18
[kHz] 800 steps/rev.
0
1
2
3
4
5
6
7
8
9
[kHz] 400 steps/rev.
0
150
300
450
600
750
900 1050 1200 1350
[rpm]
stepping motor phase current characteristics
rectangular characteristic - phase current
(fullstep / with boost)
both phases with nominal current (bipolar)
sinus-/cosinus characteristic - phase current
(without boost)
with peak value = nominal current (bipolar)
e.g. SM 88.2.18M8
with nominal current 8 A/phase bipolar
8,0
8,0
I [A]
I [A]
phase 1
0 0,9 1,8 3,6 5,4 7,2
phase 2
0 0,9 1,8 3,6 5,4 7,2
phase current - rectangular characteristic
phase current - sinus characteristic
ϑ[°]
ϑ[°]