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18
3
3
.
.
P
P
A
A
P
P
E
E
R
R
F
F
E
E
E
E
D
D
M
M
O
O
T
T
O
O
R
R
The paper feed pitch for stepping motor is 2 steps for one dotline ( 1dotline = 0.125mm).
3
3
.
.
1
1
R
R
a
a
t
t
i
i
n
n
g
g
s
s
(
(
T
T
a
a
b
b
l
l
e
e
3
3
.
.
1
1
)
)
3
3
.
.
2
2
E
E
l
l
e
e
c
c
t
t
r
r
i
i
c
c
a
a
l
l
c
c
h
h
a
a
r
r
a
a
c
c
t
t
e
e
r
r
i
i
s
s
t
t
i
i
c
c
s
s
No. Item
Specification
Remark
1
Number of phase
2
2 Step
angle 18
deg
3
Voltage
4.5 ~ 8.2
VDC
4 Excitation
2-phase
Bipolar
5
Direction of rotation
Both-Way ( CW / CCW )
6
Rated current
230mA / phase at 800pps
( 7.2V DC)
-
with a terminal voltage of 7.2V DC otherwise specified.
-
Under 2-phase excitation.
(
(
T
T
a
a
b
b
l
l
e
e
3
3
.
.
2
2
)
)
No. Item
Specification
Remark
1 Winding
resistance
15
± 7% / phase
Equivalent at 25
ଇ
2
Winding Inductance
6mH ± 20%
1kHz , 1Vrms
3
Pull - out Torque
Min 16 gf · cm
f= 800 pps
Motor Temperature : 25
ଇ
4
Holding Torque
Min 25 gf · cm
5 Max.
starting
rate
920 pps MIN.
No Load
6 Insulation
resistance
50M
MIN
DC500V between winding and case
7
Dielectric strength
2mA ( AC 600V 0.5SEC )
between winding and case
8
Temperature rise
winding
90 deg. MAX
Motor 7.2VDC , 600PPS
9
Flux leakage
10 Gauss MAX.
At distance of 20mm from motor
surface